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coating</title> <meta name="description" content="Search results for: enamel coating"> <meta name="keywords" content="enamel coating"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="enamel coating"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 807</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: enamel coating</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">807</span> Assessment of Wastewater Reuse Potential for an Enamel Coating Industry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Guclu%20Insel">Guclu Insel</a>, <a href="https://publications.waset.org/abstracts/search?q=Efe%20Gumuslu"> Efe Gumuslu</a>, <a href="https://publications.waset.org/abstracts/search?q=Gulten%20Yuksek"> Gulten Yuksek</a>, <a href="https://publications.waset.org/abstracts/search?q=Nilay%20Sayi%20Ucar"> Nilay Sayi Ucar</a>, <a href="https://publications.waset.org/abstracts/search?q=Emine%20Ubay%20Cokgor"> Emine Ubay Cokgor</a>, <a href="https://publications.waset.org/abstracts/search?q=Tugba%20Olmez%20Hanci"> Tugba Olmez Hanci</a>, <a href="https://publications.waset.org/abstracts/search?q=Didem%20Okutman%20Tas"> Didem Okutman Tas</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatos%20Germirli%20Babuna"> Fatos Germirli Babuna</a>, <a href="https://publications.waset.org/abstracts/search?q=Derya%20Firat%20Ertem"> Derya Firat Ertem</a>, <a href="https://publications.waset.org/abstracts/search?q=Okmen%20Yildirim"> Okmen Yildirim</a>, <a href="https://publications.waset.org/abstracts/search?q=Ozge%20Erturan"> Ozge Erturan</a>, <a href="https://publications.waset.org/abstracts/search?q=Betul%20Kirci"> Betul Kirci</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to eliminate water scarcity problems, effective precautions must be taken. Growing competition for water is increasingly forcing facilities to tackle their own water scarcity problems. At this point, application of wastewater reclamation and reuse results in considerable economic advantageous. In this study, an enamel coating facility, which is one of the high water consumed facilities, is evaluated in terms of its wastewater reuse potential. Wastewater reclamation and reuse can be defined as one of the best available techniques for this sector. Hence, process and pollution profiles together with detailed characterization of segregated wastewater sources are appraised in a way to find out the recoverable effluent streams arising from enamel coating operations. Daily, 170 m<sup>3</sup> of process water is required and 160 m<sup>3</sup> of wastewater is generated. The segregated streams generated by two enamel coating processes are characterized in terms of conventional parameters. Relatively clean segregated wastewater streams (reusable wastewaters) are separately collected and experimental treatability studies are conducted on it. The results reflected that the reusable wastewater fraction has an approximate amount of 110 m<sup>3</sup>/day that accounts for 68% of the total wastewaters. The need for treatment applicable on reusable wastewaters is determined by considering water quality requirements of various operations and characterization of reusable wastewater streams. Ultra-filtration (UF), Nano-filtration (NF) and Reverse Osmosis (RO) membranes are subsequently applied on reusable effluent fraction. Adequate organic matter removal is not obtained with the mentioned treatment sequence. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=enamel%20coating" title="enamel coating">enamel coating</a>, <a href="https://publications.waset.org/abstracts/search?q=membrane" title=" membrane"> membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=reuse" title=" reuse"> reuse</a>, <a href="https://publications.waset.org/abstracts/search?q=wastewater%20reclamation" title=" wastewater reclamation"> wastewater reclamation</a> </p> <a href="https://publications.waset.org/abstracts/44839/assessment-of-wastewater-reuse-potential-for-an-enamel-coating-industry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44839.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">328</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">806</span> SEM Analysis of the Effectiveness of the Acid Etching on Cat Enamel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Gallottini">C. Gallottini</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20Di%20Mari"> W. Di Mari</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20De%20Carolis"> C. De Carolis</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Dolci"> A. Dolci</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Dolci"> G. Dolci</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Gallottini"> L. Gallottini</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Barraco"> G. Barraco</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Eramo"> S. Eramo </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this paper is to summarize the literature on micromorphology and composition of the enamel of the cat and present an original experiment by SEM on how it responds to the etching with ortophosphoric acid for the time recommended in the veterinary literature (30", 45", 60"), derived from research and experience on human enamel; 21 teeth of cat were randomly divided into three groups of 7 (A, B, C): Group A was subjected to etching for 30 seconds by means of orthophosphoric acid to 40% on a circular area with diameter of about 2mm of the enamel coronal; the Groups B and C had the same treatment but, respectively, for 45 and 60 seconds. The samples obtained were observed by SEM to constant magnification of 1000x framing, in particular, the border area between enamel exposed and not exposed to etching to highlight differences. The images were subjected to the analysis of three blinded experienced operators in electron microscopy. In the enamel of the cat the etching for the times considered is not optimally effective for the purpose adhesives and the presence of a thick prismless layer could explain this situation. To improve this condition may clinically in the likeness of what is proposed for the enamel of human deciduous teeth: a bevel or a chamfer of 1 mm on the contour of the cavity to discover the prismatic enamel and increase the bonding surface. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cat%20enamel" title="cat enamel">cat enamel</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a>, <a href="https://publications.waset.org/abstracts/search?q=veterinary%20dentistry" title=" veterinary dentistry"> veterinary dentistry</a>, <a href="https://publications.waset.org/abstracts/search?q=acid%20etching" title=" acid etching"> acid etching</a> </p> <a href="https://publications.waset.org/abstracts/1802/sem-analysis-of-the-effectiveness-of-the-acid-etching-on-cat-enamel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1802.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">307</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">805</span> Enamel Structure Defect, the Rare Dental Anomaly: Isolated or Syndromic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nehal%20F.%20Hassib">Nehal F. Hassib</a>, <a href="https://publications.waset.org/abstracts/search?q=Rasha%20M.%20El%20Hossini"> Rasha M. El Hossini</a>, <a href="https://publications.waset.org/abstracts/search?q=Inas%20M.%20Sayed"> Inas M. Sayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Maha%20R.%20Abouzeid"> Maha R. Abouzeid</a>, <a href="https://publications.waset.org/abstracts/search?q=Nermeen%20A.%20Bayoumi"> Nermeen A. Bayoumi</a>, <a href="https://publications.waset.org/abstracts/search?q=Aida%20M.%20Mosaad"> Aida M. Mosaad</a>, <a href="https://publications.waset.org/abstracts/search?q=Lamia%20K.%20Gadallah"> Lamia K. Gadallah</a>, <a href="https://publications.waset.org/abstracts/search?q=Moataz%20Bellah%20A.%20T.%20%20Abdelbari"> Moataz Bellah A. T. Abdelbari</a>, <a href="https://publications.waset.org/abstracts/search?q=Heba%20A.%20El-Sayed"> Heba A. El-Sayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Hasnaa%20Elbendary"> Hasnaa Elbendary</a>, <a href="https://publications.waset.org/abstracts/search?q=Ghada%20Abdel-Salam"> Ghada Abdel-Salam</a>, <a href="https://publications.waset.org/abstracts/search?q=Maha%20Zaki"> Maha Zaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20I.%20Mostafa"> Mostafa I. Mostafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20S.%20Abdel-Hamid"> Mohamed S. Abdel-Hamid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Enamel, the outermost layer of the tooth crown, is the hardest dental tissue and serves as a protective barrier. Amelogenesis, the process of enamel formation, is regulated by multiple genes to ensure normal, defect-free enamel. Defective enamel manifests as hypoplasia or as amelogenesis imperfecta (AI), which may occur in isolation or as part of a syndrome. This study presents 29 patients from 18 unrelated families (16 females and 13 males) who exhibited distinctive enamel abnormalities. We conducted thorough clinical examinations and requested laboratory and radiological investigations. Blood samples were collected for molecular analysis, utilizing a targeted panel for known AI variants and whole exome sequencing for unknown variants. Eleven variants linked to enamel anomalies were identified: four genes associated with isolated AI (WDR72, ACP4, SLC24A4, and FAM83H) and seven associated with syndromic forms, including enamel renal syndrome (FAM20A), tricho-dento-osseous syndrome (DLX3), Jalili syndrome (CNNM4), and others linked to neurological and mitochondrial disorders, skeletal dysplasia, and peroxisome disorders. Abnormal oral and dental phenotypes in individuals may indicate serious inherited disorders. Enamel defects have significant implications for aesthetics, function, and patients' psychological well-being. Dental examination, alongside clinical and molecular investigations, is crucial for the accurate diagnosis and prediction of inherited conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=amelogenesis%20imperfecta" title="amelogenesis imperfecta">amelogenesis imperfecta</a>, <a href="https://publications.waset.org/abstracts/search?q=enamel%20defect" title=" enamel defect"> enamel defect</a>, <a href="https://publications.waset.org/abstracts/search?q=Enamel%20renal%20syndrome" title=" Enamel renal syndrome"> Enamel renal syndrome</a>, <a href="https://publications.waset.org/abstracts/search?q=DLX3" title=" DLX3"> DLX3</a>, <a href="https://publications.waset.org/abstracts/search?q=Jalili%20syndrome" title=" Jalili syndrome"> Jalili syndrome</a>, <a href="https://publications.waset.org/abstracts/search?q=WDR72" title=" WDR72"> WDR72</a>, <a href="https://publications.waset.org/abstracts/search?q=FAM83H" title=" FAM83H"> FAM83H</a>, <a href="https://publications.waset.org/abstracts/search?q=whole%20exome%20sequencing" title=" whole exome sequencing"> whole exome sequencing</a> </p> <a href="https://publications.waset.org/abstracts/191884/enamel-structure-defect-the-rare-dental-anomaly-isolated-or-syndromic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/191884.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">25</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">804</span> Assessment of Water Reuse Potential in a Metal Finishing Factory</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Efe%20Gumuslu">Efe Gumuslu</a>, <a href="https://publications.waset.org/abstracts/search?q=Guclu%20Insel"> Guclu Insel</a>, <a href="https://publications.waset.org/abstracts/search?q=G%C3%BClten%20Yuksek"> Gülten Yuksek</a>, <a href="https://publications.waset.org/abstracts/search?q=Nilay%20Sayi%20Ucar"> Nilay Sayi Ucar</a>, <a href="https://publications.waset.org/abstracts/search?q=Emine%20Ubay%20Cokgor"> Emine Ubay Cokgor</a>, <a href="https://publications.waset.org/abstracts/search?q=Tu%C4%9Fba%20Olmez%20Hanci"> Tuğba Olmez Hanci</a>, <a href="https://publications.waset.org/abstracts/search?q=Didem%20Okutman%20Tas"> Didem Okutman Tas</a>, <a href="https://publications.waset.org/abstracts/search?q=Fato%C5%9F%20Germirli%20Babuna"> Fatoş Germirli Babuna</a>, <a href="https://publications.waset.org/abstracts/search?q=Derya%20Firat%20Ertem"> Derya Firat Ertem</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%96kmen%20Yildirim"> Ökmen Yildirim</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%96zge%20Erturan"> Özge Erturan</a>, <a href="https://publications.waset.org/abstracts/search?q=Bet%C3%BCl%20Kirci"> Betül Kirci</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Although water reclamation and reuse are inseparable parts of sustainable production concept all around the world, current levels of reuse constitute only a small fraction of the total volume of industrial effluents. Nowadays, within the perspective of serious climate change, wastewater reclamation and reuse practices should be considered as a requirement. Industrial sector is one of the largest users of water sources. The OECD Environmental Outlook to 2050 predicts that global water demand for manufacturing will increase by 400% from 2000 to 2050 which is much larger than any other sector. Metal finishing industry is one of the industries that requires high amount of water during the manufacturing. Therefore, actions regarding the improvement of wastewater treatment and reuse should be undertaken on both economic and environmental sustainability grounds. Process wastewater can be reused for more purposes if the appropriate treatment systems are installed to treat the wastewater to the required quality level. Recent studies showed that membrane separation techniques may help in solving the problem of attaining a suitable quality of water that allows being recycled back to the process. The metal finishing factory where this study is conducted is one of the biggest white-goods manufacturers in Turkey. The sheet metal parts used in the cookers production have to be exposed to surface pre-treatment processes composed of degreasing, rinsing, nanoceramics coating and deionization rinsing processes, consecutively. The wastewater generating processes in the factory are enamel coating, painting and styrofoam processes. In the factory, the main source of water is the well water. While some part of the well water is directly used in the processes after passing through resin treatment, some portion of it is directed to the reverse osmosis treatment to obtain required water quality for enamel coating and painting processes. In addition to these processes another important source of water that can be considered as a potential water source is rainwater (3660 tons/year). In this study, process profiles as well as pollution profiles were assessed by a detailed quantitative and qualitative characterization of the wastewater sources generated in the factory. Based on the preliminary results the main water sources that can be considered for reuse in the processes were determined as painting and styrofoam processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=enamel%20coating" title="enamel coating">enamel coating</a>, <a href="https://publications.waset.org/abstracts/search?q=painting" title=" painting"> painting</a>, <a href="https://publications.waset.org/abstracts/search?q=reuse" title=" reuse"> reuse</a>, <a href="https://publications.waset.org/abstracts/search?q=wastewater" title=" wastewater"> wastewater</a> </p> <a href="https://publications.waset.org/abstracts/44838/assessment-of-water-reuse-potential-in-a-metal-finishing-factory" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44838.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">379</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">803</span> Effect of Tooth Bleaching Agents on Enamel Demineralisation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Najlaa%20Yousef%20Qusti">Najlaa Yousef Qusti</a>, <a href="https://publications.waset.org/abstracts/search?q=Steven%20J.%20Brookes"> Steven J. Brookes</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20A.%20Brunton"> Paul A. Brunton</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Tooth discoloration can be an aesthetic problem, and tooth whitening using carbamide peroxide bleaching agents are a popular treatment option. However, there are concerns about possible adverse effects such as demineralisation of the bleached enamel; however, the cause of this demineralisation is unclear. Introduction: Teeth can become stained or discoloured over time. Tooth whitening is an aesthetic solution for tooth discoloration. Bleaching solutions of 10% carbamide peroxide (CP) have become the standard agent used in dentist-prescribed and home-applied ’vital bleaching techniques’. These materials release hydrogen peroxide (H₂O₂), the active whitening agent. However, there is controversy in the literature regarding the effect of bleaching agents on enamel integrity and enamel mineral content. The purpose of this study was to establish if carbamide peroxide bleaching agents affect the acid solubility of enamel (i.e., make teeth more prone to demineralisation). Materials and Methods: Twelve human premolar teeth were sectioned longitudinally along the midline and varnished to leave the natural enamel surface exposed. The baseline behavior of each tooth half in relation to its demineralisation in acid was established by sequential exposure to 4 vials containing 1ml of 10mM acetic acid (1 minute/vial). This was followed by exposure to 10% CP for 8 hours. After washing in distilled water, the tooth half was sequentially exposed to 4 further vials containing acid to test if the acid susceptibility of the enamel had been affected. The corresponding tooth half acted as a control and was exposed to distilled water instead of CP. The mineral loss was determined by measuring [Ca²⁺] and [PO₄³⁻] released in each vial using a calcium ion-selective electrode and the phosphomolybdenum blue method, respectively. The effect of bleaching on the tooth surfaces was also examined using SEM. Results: Exposure to carbamide peroxide did not significantly alter the susceptibility of enamel to acid attack, and SEM of the enamel surface revealed a slight alteration in surface appearance. SEM images of the control enamel surface showed a flat enamel surface with some shallow pits, whereas the bleached enamel appeared with an increase in surface porosity and some areas of mild erosion. Conclusions: Exposure to H₂O₂ equivalent to 10% CP does not significantly increase subsequent acid susceptibility of enamel as determined by Ca²⁺ release from the enamel surface. The effects of bleaching on mineral loss were indistinguishable from distilled water in the experimental system used. However, some surface differences were observed by SEM. The phosphomolybdenum blue method for phosphate is compromised by peroxide bleaching agents due to their oxidising properties. However, the Ca²⁺ electrode is unaffected by oxidising agents and can be used to determine the mineral loss in the presence of peroxides. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bleaching" title="bleaching">bleaching</a>, <a href="https://publications.waset.org/abstracts/search?q=carbamide%20peroxide" title=" carbamide peroxide"> carbamide peroxide</a>, <a href="https://publications.waset.org/abstracts/search?q=demineralisation" title=" demineralisation"> demineralisation</a>, <a href="https://publications.waset.org/abstracts/search?q=teeth%20whitening" title=" teeth whitening"> teeth whitening</a> </p> <a href="https://publications.waset.org/abstracts/132807/effect-of-tooth-bleaching-agents-on-enamel-demineralisation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/132807.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">126</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">802</span> Raman, Atomic Force Microscopy and Mass Spectrometry for Isotopic Ratios Methods Used to Investigate Human Dentine and Enamel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicoleta%20Simona%20Vedeanu">Nicoleta Simona Vedeanu</a>, <a href="https://publications.waset.org/abstracts/search?q=Rares%20Stiufiuc"> Rares Stiufiuc</a>, <a href="https://publications.waset.org/abstracts/search?q=Dana%20Alina%20Magdas"> Dana Alina Magdas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A detailed knowledge of the teeth structure is mandatory to understand and explain the defects and the dental pathology, but especially to take a correct decision regarding dental prophylaxis and treatment. The present work is an alternative study to the traditional investigation methods used in dentistry, a study based on the use of modern, sensitive physical methods to investigate human enamel and dentin. For the present study, several teeth collected from patients of different ages were used for structural and dietary investigation. The samples were investigated by Raman spectroscopy for the molecular structure analysis of dentin and enamel, atomic force microscopy (AFM) to view the dental topography at the micrometric size and mass spectrometry for isotopic ratios as a fingerprint of patients’ personal diet. The obtained Raman spectra and their interpretation are in good correlation with the literature and may give medical information by comparing affected dental structures with healthy ones. AFM technique gave us the possibility to study in details the dentin and enamel surface to collect information about dental hardness or dental structural changes. δ¹³C values obtained for the studied samples can be classified in C4 category specific to young people and children diet (sweets, cereals, juices, pastry). The methods used in this attempt furnished important information about dentin and enamel structure and dietary habits and each of the three proposed methods can be extended at a larger level in the study of the teeth structure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AFM" title="AFM">AFM</a>, <a href="https://publications.waset.org/abstracts/search?q=dentine" title=" dentine"> dentine</a>, <a href="https://publications.waset.org/abstracts/search?q=enamel" title=" enamel"> enamel</a>, <a href="https://publications.waset.org/abstracts/search?q=Raman%20spectroscopy" title=" Raman spectroscopy"> Raman spectroscopy</a> </p> <a href="https://publications.waset.org/abstracts/96040/raman-atomic-force-microscopy-and-mass-spectrometry-for-isotopic-ratios-methods-used-to-investigate-human-dentine-and-enamel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96040.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">145</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">801</span> Fabrication of Titanium Diboride-Based High Emissive Paint Coating Using Economical Dip Coating Method for High Temperature Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Atasi%20Dan">Atasi Dan</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamanio%20Chattopadhyay"> Kamanio Chattopadhyay</a>, <a href="https://publications.waset.org/abstracts/search?q=Bikramjit%20Basu"> Bikramjit Basu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A cost-effective titanium diboride (TiB2) paint coating has been developed on stainless steel substrate using commercially available polyvinylpyrrolidone as a binder by convenient dip-coating technique. The emittance of the coating has been explored by tailoring various process parameters to obtain highest thermal radiation. The optimized coating has achieved a high thermal emittance of 0.85. In addition, the coating exhibited an excellent thermal stability while heat-treated at 500 °C in air. Along with the emittance, the structural and physical properties of the As-deposited and heat-treated coatings have been investigated systematically. The high temperature annealing has not affected the emittance, chemical composition and morphology of the coating significantly. Hence, the fabricated paint coating is expected to open up new possibilities for using it as a low-cost, thermally stable emitter in high temperature applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=titanium%20diboride" title="titanium diboride">titanium diboride</a>, <a href="https://publications.waset.org/abstracts/search?q=emittance" title=" emittance"> emittance</a>, <a href="https://publications.waset.org/abstracts/search?q=paint%20coating" title=" paint coating"> paint coating</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20stability" title=" thermal stability"> thermal stability</a> </p> <a href="https://publications.waset.org/abstracts/61044/fabrication-of-titanium-diboride-based-high-emissive-paint-coating-using-economical-dip-coating-method-for-high-temperature-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61044.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">286</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">800</span> The Effect of Enamel Surface Preparation on the Self-Etch Bonding of Orthodontic Tubes: An in Vitro Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fernandes%20A.%20C.%20B.%20C.%20J.">Fernandes A. C. B. C. J.</a>, <a href="https://publications.waset.org/abstracts/search?q=de%20Jesus%20V.%20C."> de Jesus V. C.</a>, <a href="https://publications.waset.org/abstracts/search?q=Sepideh%20N."> Sepideh N.</a>, <a href="https://publications.waset.org/abstracts/search?q=Vilela%20OFGG"> Vilela OFGG</a>, <a href="https://publications.waset.org/abstracts/search?q=Somarin%20K.%20K."> Somarin K. K.</a>, <a href="https://publications.waset.org/abstracts/search?q=Fran%C3%A7a%20R."> França R.</a>, <a href="https://publications.waset.org/abstracts/search?q=Pinheiro%20F.%20H.%20S.%20L."> Pinheiro F. H. S. L.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: The purpose of this study was to look at the effect of pre-treatment of enamel with pumice and/or 37% phosphoric acid on the shear bond strength (SBS) of orthodontic tubes bonded to enamel while simultaneously evaluating the efficacy of orthodontic tubes bonded by self-etch primer (SEP). Materials and Methods: 39 of the crown halves were divided into 3 groups at random. Group, I was the control group utilizing both prophy paste and the conventional double etching pre-treatment method. Group II excluded the use of prophy paste prior to double etching. Group III excluded the use of both prophy paste and double etching and only utilized SEP. Bond strength of the orthodontic tubes was measured by SBS. One way ANOVA and Tukey’s HSD test were used to compare SBS values between the three groups. The statistical significance was set to p<0.05. Results: The difference in SBS values of groups I (36.672 ± 9.315 Mpa), II (34.242 ± 9.986 Mpa), and III (39.055 ± 5.565) were not statistically significant (P<0.05). Conclusion: This study suggested that the use of prophy paste or pre-acid etch of the enamel surface did not provide a statistically significant difference in SBS between the three groups. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=shear%20bond%20strength" title="shear bond strength">shear bond strength</a>, <a href="https://publications.waset.org/abstracts/search?q=orthodontic%20bracket" title=" orthodontic bracket"> orthodontic bracket</a>, <a href="https://publications.waset.org/abstracts/search?q=self-etch%20primer" title=" self-etch primer"> self-etch primer</a>, <a href="https://publications.waset.org/abstracts/search?q=pumice" title=" pumice"> pumice</a>, <a href="https://publications.waset.org/abstracts/search?q=prophy" title=" prophy"> prophy</a> </p> <a href="https://publications.waset.org/abstracts/142849/the-effect-of-enamel-surface-preparation-on-the-self-etch-bonding-of-orthodontic-tubes-an-in-vitro-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142849.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">178</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">799</span> Improving the Biomechanical Resistance of a Treated Tooth via Composite Restorations Using Optimised Cavity Geometries</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Behzad%20Babaei">Behzad Babaei</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Gangadhara%20Prusty"> B. Gangadhara Prusty</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this study is to assess the hypotheses that a restored tooth with a class II occlusal-distal (OD) cavity can be strengthened by designing an optimized cavity geometry, as well as selecting the composite restoration with optimized elastic moduli when there is a sharp de-bonded edge at the interface of the tooth and restoration. Methods: A scanned human maxillary molar tooth was segmented into dentine and enamel parts. The dentine and enamel profiles were extracted and imported into a finite element (FE) software. The enamel rod orientations were estimated virtually. Fifteen models for the restored tooth with different cavity occlusal depths (1.5, 2, and 2.5 mm) and internal cavity angles were generated. By using a semi-circular stone part, a 400 N load was applied to two contact points of the restored tooth model. The junctions between the enamel, dentine, and restoration were considered perfectly bonded. All parts in the model were considered homogeneous, isotropic, and elastic. The quadrilateral and triangular elements were employed in the models. A mesh convergence analysis was conducted to verify that the element numbers did not influence the simulation results. According to the criteria of a 5% error in the stress, we found that a total element number of over 14,000 elements resulted in the convergence of the stress. A Python script was employed to automatically assign 2-22 GPa moduli (with increments of 4 GPa) for the composite restorations, 18.6 GPa to the dentine, and two different elastic moduli to the enamel (72 GPa in the enamel rods’ direction and 63 GPa in perpendicular one). The linear, homogeneous, and elastic material models were considered for the dentine, enamel, and composite restorations. 108 FEA simulations were successively conducted. Results: The internal cavity angles (α) significantly altered the peak maximum principal stress at the interface of the enamel and restoration. The strongest structures against the contact loads were observed in the models with α = 100° and 105. Even when the enamel rods’ directional mechanical properties were disregarded, interestingly, the models with α = 100° and 105° exhibited the highest resistance against the mechanical loads. Regarding the effect of occlusal cavity depth, the models with 1.5 mm depth showed higher resistance to contact loads than the model with thicker cavities (2.0 and 2.5 mm). Moreover, the composite moduli in the range of 10-18 GPa alleviated the stress levels in the enamel. Significance: For the class II OD cavity models in this study, the optimal geometries, composite properties, and occlusal cavity depths were determined. Designing the cavities with α ≥100 ̊ was significantly effective in minimizing peak stress levels. The composite restoration with optimized properties reduced the stress concentrations on critical points of the models. Additionally, when more enamel was preserved, the sturdier enamel-restoration interface against the mechanical loads was observed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dental%20composite%20restoration" title="dental composite restoration">dental composite restoration</a>, <a href="https://publications.waset.org/abstracts/search?q=cavity%20geometry" title=" cavity geometry"> cavity geometry</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20approach" title=" finite element approach"> finite element approach</a>, <a href="https://publications.waset.org/abstracts/search?q=maximum%20principal%20stress" title=" maximum principal stress"> maximum principal stress</a> </p> <a href="https://publications.waset.org/abstracts/152081/improving-the-biomechanical-resistance-of-a-treated-tooth-via-composite-restorations-using-optimised-cavity-geometries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152081.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">102</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">798</span> Cold Spray Fabrication of Coating for Highly Corrosive Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Harminder%20Singh">Harminder Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cold spray is a novel and emerging technology for the fabrication of coating. In this study, coating is successfully developed by this process on superalloy surface. The selected coating composition is already proved as corrosion resistant. The microstructure of the newly developed coating is examined by various characterization techniques, for testing its suitability for high temperature corrosive conditions of waste incinerator. The energy producing waste incinerators are still running at low efficiency, mainly due to their chlorine based highly corrosive conditions. The characterization results show that the developed cold sprayed coating structure is suitable for its further testing in highly aggressive conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coating" title="coating">coating</a>, <a href="https://publications.waset.org/abstracts/search?q=cold%20spray" title=" cold spray"> cold spray</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion" title=" corrosion"> corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure" title=" microstructure"> microstructure</a> </p> <a href="https://publications.waset.org/abstracts/43306/cold-spray-fabrication-of-coating-for-highly-corrosive-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43306.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">394</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">797</span> The Effect of the Combination of Mouthwash and Saliva Substitutes on Tooth Erosion: An in Vitro Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Young-Eun%20Jang">Young-Eun Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Mi-Hye%20Ma"> Mi-Hye Ma</a>, <a href="https://publications.waset.org/abstracts/search?q=Yemi%20Kim"> Yemi Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As the elderly population increases, the number of patients complaining of dry mouth is also increasing. Elderly people often use mouthwash to prevent periodontal disease. Mouthwash and saliva substitutes with low pH were reported to be able to cause enamel erosion. To the best of our knowledge, there have been no studies showing the effect of mouthwash on patients using saliva substitutes. Therefore, the purpose of this study was to evaluate the effect of the use of mouthwash in combination with saliva substitutes on tooth erosion using a quantitative light-induced fluorescence-digital (QLF-D) system. A total of 96 bovine specimens were embedded in putty blocks and randomly allocated to the following groups with n = 12 each: Group 1, application of mouthwash; Group 2, application of saliva substitutes; Group 3, application of saliva substitutes in combination with mouthwash; and control group, application of saline. The bovine samples were eroded using a demineralization solution and then saliva substitutes and mouthwash were applied according to the groups for 2 weeks. For saliva substitutes, three different products were used; Oasis (Oasis Consumer Health, Cleveland, OH, USA), Xeromia solution (Osstem Pharma Co., Seoul, Korea), and Drymund gel (Dong-A Pharma Co., Seoul, Korea). The pH values of the saliva substitutes were determined using a pH meter. Loss of enamel and root dentin was measured using the QLF-D system immediately after demineralization on the 3rd, 7th, and 14th days. The data were analyzed using repeated measures ANOVA followed by Tukey’s post hoc tests (p < 0.05). Mineral loss in enamel and root dentin was detected when mouthwash and saliva substitutes were used alone, respectively (p < 0.05). Also, when mouthwash was used with saliva substitutes, the mineral loss was observed in enamel and root dentin (p < 0.05). The use of Xeromia and Drymund gel increased mineral loss of enamel significantly compared to the use of Oasis (p < 0.05). However, when Drymund gel and Xeromia were used in combination with mouthwash, mineral loss of enamel was significantly reduced compared to when they were used alone (p < 0.05). The pH values of Drymund gel, Xeromia, Oasis, and mouthwash were 5.5, 5.52, 6.2, and 6.37, respectively. Based on these results, it can be concluded that the use of mouthwash with a higher pH value than that of saliva substitutes could help patients suffering from xerostomia avoid the risk of dental erosion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=saliva%20substitute" title="saliva substitute">saliva substitute</a>, <a href="https://publications.waset.org/abstracts/search?q=mouthwash" title=" mouthwash"> mouthwash</a>, <a href="https://publications.waset.org/abstracts/search?q=tooth%20erosion" title=" tooth erosion"> tooth erosion</a>, <a href="https://publications.waset.org/abstracts/search?q=dry%20mouth" title=" dry mouth"> dry mouth</a> </p> <a href="https://publications.waset.org/abstracts/156425/the-effect-of-the-combination-of-mouthwash-and-saliva-substitutes-on-tooth-erosion-an-in-vitro-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156425.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">90</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">796</span> Technology of Thermal Spray Coating Machining</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jana%20Petr%C5%AF">Jana Petrů</a>, <a href="https://publications.waset.org/abstracts/search?q=Tom%C3%A1%C5%A1%20Zl%C3%A1mal"> Tomáš Zlámal</a>, <a href="https://publications.waset.org/abstracts/search?q=Robert%20%C4%8Cep"> Robert Čep</a>, <a href="https://publications.waset.org/abstracts/search?q=Lenka%20%C4%8Cepov%C3%A1"> Lenka Čepová</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article is focused on the thermal spray coating machining issue. Those are irreplaceable in many areas of nowadays industrial branches such as aerospace industry, mostly thanks to their excellent qualities in production and also in renovation of machinery parts. The principals of thermal spraying and elementary diversification are described in introduction. Plasma coating method of composite materials -cermets- is described more thoroughly. The second part describes thermal spray coating machining and grinding in detail. This part contains suggestion of appropriate grinding tool and assessment of cutting conditions used for grinding a given part. Conclusion describes a problem which occurred while grinding a cermet thermal spray coating with a specially designed grindstone and a way to solve this problem. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coating" title="coating">coating</a>, <a href="https://publications.waset.org/abstracts/search?q=aerospace" title=" aerospace"> aerospace</a>, <a href="https://publications.waset.org/abstracts/search?q=plasma" title=" plasma"> plasma</a>, <a href="https://publications.waset.org/abstracts/search?q=grinding" title=" grinding"> grinding</a> </p> <a href="https://publications.waset.org/abstracts/2535/technology-of-thermal-spray-coating-machining" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2535.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">555</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">795</span> Characterization of White Spot Lesion Using Focused Ion Beam - Scanning Electron Microscopy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Malihe%20Moeinin">Malihe Moeinin</a>, <a href="https://publications.waset.org/abstracts/search?q=Robert%20Hill"> Robert Hill</a>, <a href="https://publications.waset.org/abstracts/search?q=Ferranti%20Wong"> Ferranti Wong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: A white spot lesion (WSL) is defined as subsurface enamel porosity from carious demineralisation on the smooth surfaces of the tooth. It appears as a milky white opacity. Lesions shown an apparently intact surface layer, followed underneath by the more porous lesion body. The small pores within the body of the lesion act as diffusion pathway for both acids and minerals, so allowing the demineralisation of enamel to occur at the advancing front of the lesion. Objectives: The objective is to mapthe porosity and its size on WSL with Focused Ion Bean- Scanning Electron Microscopy (FIB-SEM) Method: The basic method used for FIB-SEM consisted of depositing a one micron thick layer of platinum over 25μmx 25μm of the interest region of enamel. Then, making a rough cut (25μmx 5μmx 20μm) with 3nA current and 30Kv was applied with the help of drift suppression (DS), using a standard “cross-sectional” cutting pattern, which ended at the front of the deposited platinum layer. Two adjacent areas (25μmx 5μmx 20μm) on the both sides of the platinum layer were milled under the same conditions. Subsequent, cleaning cross-sections were applied to polish the sub-surface edge of interest running perpendicular to the surface. The "slice and view" was carried out overnight for milling almost 700 slices with 2Kv and 4nA and taking backscattered (BS) images. Then, images were imported into imageJ and analysed. Results: The prism structure is clearly apparent on FIB-SEM slices of WSL with the dissolution of prism boundaries as well as internal porosity within the prism itself. Porosity scales roughly 100-400nm, which is comparable to the light wavelength (500nm). Conclusion: FIB-SEM is useful to characterize the porosity of WSL and it clearly shows the difference between WSL and normal enamel. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=white%20spot%20lesion" title="white spot lesion">white spot lesion</a>, <a href="https://publications.waset.org/abstracts/search?q=FIB-SEM" title=" FIB-SEM"> FIB-SEM</a>, <a href="https://publications.waset.org/abstracts/search?q=enamel%20porosity" title=" enamel porosity"> enamel porosity</a>, <a href="https://publications.waset.org/abstracts/search?q=porosity" title=" porosity"> porosity</a> </p> <a href="https://publications.waset.org/abstracts/157409/characterization-of-white-spot-lesion-using-focused-ion-beam-scanning-electron-microscopy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157409.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">94</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">794</span> Psyllium (Plantago) Gum as an Effective Edible Coating to Improve Quality and Shelf Life of Fresh-Cut Papaya (Carica papaya)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Basharat%20Yousuf">Basharat Yousuf</a>, <a href="https://publications.waset.org/abstracts/search?q=Abhaya%20K.%20Srivastava"> Abhaya K. Srivastava</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Psyllium gum alone and in combination with sunflower oil was investigated as a possible alternative edible coating for improvement of quality and shelf life of fresh-cut papaya. Different concentrations including 0.5, 1 and 1.5 percent of psyllium gum were used for coating of fresh-cut papaya. In some samples, refined sunflower oil was used as a lipid component to increase the effectiveness of coating in terms of water barrier properties. Soya lecithin was used as an emulsifier in coatings containing oil. Pretreatment with 1% calcium chloride was given to maintain the firmness of fresh-cut papaya cubes. 1% psyllium gum coating was found to yield better results. Further, addition of oil helped to maintain the quality and acted as a barrier to water vapour, therefore, minimizing the weight loss. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coating" title="coating">coating</a>, <a href="https://publications.waset.org/abstracts/search?q=fresh-cut" title=" fresh-cut"> fresh-cut</a>, <a href="https://publications.waset.org/abstracts/search?q=gum" title=" gum"> gum</a>, <a href="https://publications.waset.org/abstracts/search?q=papaya" title=" papaya"> papaya</a>, <a href="https://publications.waset.org/abstracts/search?q=psylllium" title=" psylllium"> psylllium</a> </p> <a href="https://publications.waset.org/abstracts/26199/psyllium-plantago-gum-as-an-effective-edible-coating-to-improve-quality-and-shelf-life-of-fresh-cut-papaya-carica-papaya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26199.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">509</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">793</span> The Performance of Typical Kinds of Coating of Printed Circuit Board under Accelerated Degradation Test</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Xiaohui%20Wang">Xiaohui Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Liwei%20Sun"> Liwei Sun</a>, <a href="https://publications.waset.org/abstracts/search?q=Guilin%20Zhang"> Guilin Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Printed circuit board (PCB) is the carrier of electronic components. Its coating is the first barrier for protecting itself. If the coating is damaged, the performance of printed circuit board will decrease rapidly until failure. Therefore, the coating plays an important role in the entire printed circuit board. There are common four kinds of coating of printed circuit board that the material of the coatings are paryleneC, acrylic, polyurethane, silicone. In this paper, we designed an accelerated degradation test of humid and heat for these four kinds of coating. And chose insulation resistance, moisture absorption and surface morphology as its test indexes. By comparing the change of insulation resistance of the coating before and after the test, we estimate failure time of these coatings based on the degradation of insulation resistance. Based on the above, we estimate the service life of the four kinds of PCB. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=printed%20circuit%20board" title="printed circuit board">printed circuit board</a>, <a href="https://publications.waset.org/abstracts/search?q=life%20assessment" title=" life assessment"> life assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=insulation%20resistance" title=" insulation resistance"> insulation resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=coating%20material" title=" coating material"> coating material</a> </p> <a href="https://publications.waset.org/abstracts/29607/the-performance-of-typical-kinds-of-coating-of-printed-circuit-board-under-accelerated-degradation-test" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29607.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">533</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">792</span> Meniscus Guided Film Coating for Large-Area Perovskite Solar Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gizachew%20Belay%20Adugna">Gizachew Belay Adugna</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu-Tai%20Tao"> Yu-Tai Tao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Perovskite solar cells (PSCs) have been gaining impressive progress with excellent power conversion efficiency (PCE) of 25.5% in small-area devices. However, the conventional film coating approach is not applicable to large-area module fabrication. Meniscus-guided coating, including blade coating, slot-die coating, and bar coating, is solution processing and promising for large-area and cost-effective film coating to industrial-scale PSCs. Here, we develop simple and scalable solution shearing (SS) and bar coating (BC) methods to coat all layers on large-area (10x10 cm²) substrate in FTO/c-TiO₂/mp-TiO₂/ CH₃NH₃PbI₃/Spiro-OMeTAD/Ag device structure, except the Ag electrode. All solution-sheared PSC exhibited a champion power conversion efficiency of 15.89% in the conational DMF/DMSO solvent. Whereas a very high PCE of 20.30% compared to the controlled spin-coated device (SC, 17.60%) was achieved from the large area sheared perovskite film in a green ACN/MA solvent. Similarly, a remarkable PCE of 18.50% was achieved for a device fabricated from a large-area perovskite film in a simpler and more compatible Bar-coating system. This strategy demonstrates the huge potential for module fabrication and future PSC commercialization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Perovskite%20solar%20cells" title="Perovskite solar cells">Perovskite solar cells</a>, <a href="https://publications.waset.org/abstracts/search?q=larger%20area%20film%20coating" title=" larger area film coating"> larger area film coating</a>, <a href="https://publications.waset.org/abstracts/search?q=meniscus-guided%20film%20coating" title=" meniscus-guided film coating"> meniscus-guided film coating</a>, <a href="https://publications.waset.org/abstracts/search?q=solution-shearing" title=" solution-shearing"> solution-shearing</a>, <a href="https://publications.waset.org/abstracts/search?q=bar-coating" title=" bar-coating"> bar-coating</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20conversion%20efficiency" title=" power conversion efficiency"> power conversion efficiency</a> </p> <a href="https://publications.waset.org/abstracts/168010/meniscus-guided-film-coating-for-large-area-perovskite-solar-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168010.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">75</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">791</span> Preparation of Protective Coating Film on Metal Alloy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rana%20Th.%20A.%20Al-rubaye">Rana Th. A. Al-rubaye</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A novel chromium-free protective coating films based on a zeolite coating was growing onto a FeCrAlloy metal using in –situ hydrothermal method. The zeolite film was obtained using in-situ crystallization process that is capable of coating large surfaces with complex shape and in confined spaces has been developed. The zeolite coating offers an advantage of a high mechanical stability and thermal stability. The physico-chemical properties were investigated using X-ray diffraction (XRD), Electron microscopy (SEM), Energy Dispersive X–ray analysis (EDX) and Thermogravimetric Analysis (TGA). The transition from oxide-on-alloy wires to hydrothermally synthesised uniformly zeolite coated surfaces was followed using SEM and XRD. In addition, the robustness of the prepared coating was confirmed by subjecting these to thermal cycling (ambient to 550°C). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fecralloy" title="fecralloy">fecralloy</a>, <a href="https://publications.waset.org/abstracts/search?q=zsm-5%20zeolite" title=" zsm-5 zeolite"> zsm-5 zeolite</a>, <a href="https://publications.waset.org/abstracts/search?q=zeolite%20coatings" title=" zeolite coatings"> zeolite coatings</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrothermal%20method" title=" hydrothermal method"> hydrothermal method</a> </p> <a href="https://publications.waset.org/abstracts/30792/preparation-of-protective-coating-film-on-metal-alloy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30792.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">395</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">790</span> Influence of Machining Process on Surface Integrity of Plasma Coating</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20Zl%C3%A1mal">T. Zlámal</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Petr%C5%AF"> J. Petrů</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Pag%C3%A1%C4%8D"> M. Pagáč</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Krajkovi%C4%8D"> P. Krajkovič</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For the required function of components with the thermal spray coating, it is necessary to perform additional machining of the coated surface. The paper deals with assessing the surface integrity of Metco 2042, a plasma sprayed coating, after its machining. The selected plasma sprayed coating serves as an abradable sealing coating in a jet engine. Therefore, the spray and its surface must meet high quality and functional requirements. Plasma sprayed coatings are characterized by lamellar structure, which requires a special approach to their machining. Therefore, the experimental part involves the set-up of special cutting tools and cutting parameters under which the applied coating was machined. For the assessment of suitably set machining parameters, selected parameters of surface integrity were measured and evaluated during the experiment. To determine the size of surface irregularities and the effect of the selected machining technology on the sprayed coating surface, the surface roughness parameters Ra and Rz were measured. Furthermore, the measurement of sprayed coating surface hardness by the HR 15 Y method before and after machining process was used to determine the surface strengthening. The changes of strengthening were detected after the machining. The impact of chosen cutting parameters on the surface roughness after the machining was not proven. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=machining" title="machining">machining</a>, <a href="https://publications.waset.org/abstracts/search?q=plasma%20sprayed%20coating" title=" plasma sprayed coating"> plasma sprayed coating</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20integrity" title=" surface integrity"> surface integrity</a>, <a href="https://publications.waset.org/abstracts/search?q=strengthening" title=" strengthening"> strengthening</a> </p> <a href="https://publications.waset.org/abstracts/85489/influence-of-machining-process-on-surface-integrity-of-plasma-coating" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85489.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">266</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">789</span> Studies on Plasma Spray Deposited La2O3 - YSZ (Yttria-Stabilized Zirconia) Composite Thermal Barrier Coating</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Prashant%20Sharma">Prashant Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Jyotsna%20Dutta%20Majumdar"> Jyotsna Dutta Majumdar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study concerns development of a composite thermal barrier coating consisting of a mixture of La2O3 and YSZ (with 8 wt.%, 32 wt.% and 50 wt.% 50% La2O3) by plasma spray deposition technique on a CoNiCrAlY based bond coat deposited on Inconel 718 substrate by high velocity oxy-fuel deposition (HVOF) technique. The addition of La2O3 in YSZ causes the formation of pyrochlore (La2Zr2O7) phase in the inter splats boundary along with the presence of LaYO3 phase. The coefficient of thermal expansion is significantly reduced from due to the evolution of different phases and structural defects in the sprayed coating. The activation energy for TGO growth under isothermal and cyclic oxidation was increased in the composite coating as compared to YSZ coating. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plasma%20spraying" title="plasma spraying">plasma spraying</a>, <a href="https://publications.waset.org/abstracts/search?q=oxidation%20resistance" title=" oxidation resistance"> oxidation resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20barrier%20coating" title=" thermal barrier coating"> thermal barrier coating</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure" title=" microstructure"> microstructure</a>, <a href="https://publications.waset.org/abstracts/search?q=X-ray%20method" title=" X-ray method"> X-ray method</a> </p> <a href="https://publications.waset.org/abstracts/48738/studies-on-plasma-spray-deposited-la2o3-ysz-yttria-stabilized-zirconia-composite-thermal-barrier-coating" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48738.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">352</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">788</span> Optimum Er: YAG Laser Parameters for Orthodontic Composite Debonding: An in vitro Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Zamzam">Mohammad Zamzam</a>, <a href="https://publications.waset.org/abstracts/search?q=Wesam%20Bachir"> Wesam Bachir</a>, <a href="https://publications.waset.org/abstracts/search?q=Imad%20Asaad"> Imad Asaad </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Several studies have produced estimates of Er:YAG laser parameters and specifications but there is still insufficient data for reliable selection of laser parameters. As a consequence, there is a heightened need for ideal specifications of Er:YAG laser to reduce the amount of enamel ablation. The objective of this paper is to investigate the influence of Er:YAG laser parameters, energy level and pulse duration, on orthodontic composite removal after bracket debonding. The sample consisted of 45 cuboids of orthodontic composite made by plastic moulds. The samples were divided into three groups, each was irradiated with Er:YAG laser set at different energy levels and three values for pulse durations (50 µs, 100 µs, and 300 µs). Geometrical parameters (depth and area) of cavities formed by laser irradiation were determined. ANCOVA test showed statistically significant difference (p < 0.0.5) between the groups indicating a potential effect of laser pulse duration on the geometrical parameters after controlling laser energy level. A post-hoc Bonferroni test ranked the 50µ Er:YAG laser pulse as the most influential factor for all geometrical parameters in removing remnant composite from enamel surface. Also, 300 mJ laser pulses caused the largest removal of the composite. The results of the present study demonstrated the efficacy of 50 µs and 300 mJ Er:YAG laser pulse for removal of remnant orthodontic composite. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=enamel" title="enamel">enamel</a>, <a href="https://publications.waset.org/abstracts/search?q=Er%3AYAG" title=" Er:YAG"> Er:YAG</a>, <a href="https://publications.waset.org/abstracts/search?q=geometrical%20parameters" title=" geometrical parameters"> geometrical parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=orthodontic%20composite" title=" orthodontic composite"> orthodontic composite</a>, <a href="https://publications.waset.org/abstracts/search?q=remnant%20composite" title=" remnant composite"> remnant composite</a> </p> <a href="https://publications.waset.org/abstracts/6666/optimum-er-yag-laser-parameters-for-orthodontic-composite-debonding-an-in-vitro-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6666.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">553</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">787</span> Mechanical Properties of Biological Tissues</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Young%20June%20Yoon">Young June Yoon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We will present four different topics in estimating the mechanical properties of biological tissues. First we elucidate the viscoelastic behavior of collagen molecules whose diameter is a couple of nanometers. By using the molecular dynamics simulation, we observed the viscoelastic behavior in different pulling velocity. Second, the protein layer, so called ‘sheath’ in enamel microstructure reduces the stress concentration in enamel minerals. We examined the result by using the finite element methods. Third, the anisotropic elastic constants of dentin are estimated by micromechanical analysis and estimated results are close to the experimentally measured data. Last, new formulation between the fabric tensor and the wave velocity is established for calcaneus by employing the poroelasticity. This formulation can be simply used for future experiments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tissues" title="tissues">tissues</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanics" title=" mechanics"> mechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=wave%20propagation" title=" wave propagation"> wave propagation</a> </p> <a href="https://publications.waset.org/abstracts/34027/mechanical-properties-of-biological-tissues" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34027.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">374</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">786</span> Titanium-Aluminium Oxide Coating on Aluminized Steel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fuyan%20Sun">Fuyan Sun</a>, <a href="https://publications.waset.org/abstracts/search?q=Guang%20Wang"> Guang Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Xueyuan%20Nie"> Xueyuan Nie</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, a plasma electrolytic oxidation (PEO) process was used to form titanium-aluminium oxide coating on aluminized steel. The present work was mainly to study the effects of treatment time of PEO process on properties of the titanium coating. A potentiodynamic polarization corrosion test was employed to investigate the corrosion resistance of the coating. The friction coefficient and wear resistance of the coating were studied by using pin-on-disc test. The thermal transfer behaviours of uncoated and PEO-coated aluminized steels were also studied. It could be seen that treatment time of PEO process significantly influenced the properties of the titanium oxide coating. Samples with a longer treatment time had a better performance for corrosion and wear protection. This paper demonstrated different treatment time could alter the surface behaviour of the coating material. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=titanium-aluminum%20oxide" title="titanium-aluminum oxide">titanium-aluminum oxide</a>, <a href="https://publications.waset.org/abstracts/search?q=plasma%20electrolytic%20oxidation" title=" plasma electrolytic oxidation"> plasma electrolytic oxidation</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion" title=" corrosion"> corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=wear" title=" wear"> wear</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20property" title=" thermal property"> thermal property</a> </p> <a href="https://publications.waset.org/abstracts/6532/titanium-aluminium-oxide-coating-on-aluminized-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6532.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">356</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">785</span> The Use of the Steel Aggregate and Procedures for Application on Rural Roads to Improve Traffic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lu%C3%ADs%20Felipe%20da%20Cunha%20Mendon%C3%A7a">Luís Felipe da Cunha Mendonça</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Normally, rural roads do not have any type of coating, and when they have any coating, they have a high maintenance cost due to the characteristics of natural materials. The Steel Aggregate has specific technical characteristics, which considerably reduce the maintenance costs of rural roads with the execution of the Primary Coating. For use as a primary coating, it must be mixed with clay due to the physical-chemical properties of the material. The application is mainly in the Primary Coating of rural roads due to the cementitious property in the presence of water, offering greater resistance to wear caused by traffic and consequently a longer useful life of the coating. The Steel Aggregate executed on rural roads has reduced particulate emissions and offers normal traffic in any weather condition, as well as creating sustainability. Contribute to the quality of life of communities through improvements in the conditions of rural and urban unpaved roads. Leading to substantial savings in maintenance. Because the durability, if applied correctly, is about 3 years, but if annual monitoring is carried out, it can be extended for more than 5 years. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=steel%20slag" title="steel slag">steel slag</a>, <a href="https://publications.waset.org/abstracts/search?q=co-product" title=" co-product"> co-product</a>, <a href="https://publications.waset.org/abstracts/search?q=primary%20coating" title=" primary coating"> primary coating</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20aggregate" title=" steel aggregate"> steel aggregate</a> </p> <a href="https://publications.waset.org/abstracts/149182/the-use-of-the-steel-aggregate-and-procedures-for-application-on-rural-roads-to-improve-traffic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149182.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">125</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">784</span> The Characteristcs and Amino Acid Profile of Edible Coating Extracted from Pigskin Gelatin </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Meity%20Sompie">Meity Sompie</a>, <a href="https://publications.waset.org/abstracts/search?q=Agnes%20Triasih"> Agnes Triasih</a>, <a href="https://publications.waset.org/abstracts/search?q=Wisje%20Ponto"> Wisje Ponto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Edible coating is thin layers that act as a barrier to the external factors and protect the food products. The addition of the plasticizer to the edible coating is required to overcome film caused by extensive intermolecular forces. The potential development of pigskin with different ages as a raw material for the manufacture of edible films had not been widely publicized. This research was aimed to determine the influence of gelatin concentration and different type of plasticizer on the edible coating characteristics extracted from pigskin gelatin. This study used Completely Randomized Design (CRD) with two factors and three replicates of treatments. The first factor was consisted of pigskin gelatin concentration ( 10, 20, and 30 %) and the second factor was different type of plasticizer (glycerol, sorbitol and PEG). The results show that the interaction between the use of gelatin concentrations and type of plasticizer had significant effect (P< 0.05) on the thickness, tensile strength, elongation, water vapor transmission rate (WVTR), water content and amino acid profile of edible coating. It was concluded that the edible coating from pigskin gelatin with plasticizer gliserol had the best film characteristics, and it can be applied as an edible coating. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=edible%20coating" title="edible coating">edible coating</a>, <a href="https://publications.waset.org/abstracts/search?q=edible%20film" title=" edible film"> edible film</a>, <a href="https://publications.waset.org/abstracts/search?q=pigskin%20gelatin" title=" pigskin gelatin"> pigskin gelatin</a>, <a href="https://publications.waset.org/abstracts/search?q=plasticizer" title=" plasticizer"> plasticizer</a> </p> <a href="https://publications.waset.org/abstracts/86037/the-characteristcs-and-amino-acid-profile-of-edible-coating-extracted-from-pigskin-gelatin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86037.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">214</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">783</span> Steel Dust as a Coating Agent for Iron Ore Pellets at Ironmaking</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Bahgat">M. Bahgat</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Hanafy"> H. Hanafy</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Al-Tassan"> H. Al-Tassan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cluster formation is an essential phenomenon during direct reduction processes at shaft furnaces. Decreasing the reducing temperature to avoid this problem can cause a significant drop in throughput. In order to prevent sticking of pellets, a coating material basically inactive under the reducing conditions prevailing in the shaft furnace, should be applied to cover the outer layer of the pellets. In the present work, steel dust is used as coating material for iron ore pellets to explore dust coating effectiveness and determines the best coating conditions. Steel dust coating is applied for iron ore pellets in various concentrations. Dust slurry concentrations of 5.0-30% were used to have a coated steel dust amount of 1.0-5.0 kg per ton iron ore. Coated pellets with various concentrations were reduced isothermally in weight loss technique with simulated gas mixture to the composition of reducing gases at shaft furnaces. The influences of various coating conditions on the reduction behavior and the morphology were studied. The optimum reduced samples were comparatively applied for sticking index measurement. It was found that the optimized steel dust coating condition that achieve higher reducibility with lower sticking index was 30% steel dust slurry concentration with 3.0 kg steel dust/ton ore. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=reduction" title="reduction">reduction</a>, <a href="https://publications.waset.org/abstracts/search?q=ironmaking" title=" ironmaking"> ironmaking</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20dust" title=" steel dust"> steel dust</a>, <a href="https://publications.waset.org/abstracts/search?q=coating" title=" coating"> coating</a> </p> <a href="https://publications.waset.org/abstracts/83968/steel-dust-as-a-coating-agent-for-iron-ore-pellets-at-ironmaking" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83968.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">302</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">782</span> Cold Spray Coating and Its Application for High Temperature </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20S.%20Sidhu">T. S. Sidhu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Amongst the existing coatings methods, the cold spray is new upcoming process to deposit coatings. As from the name itself, the cold spray coating takes place at very low temperature as compare to other thermal spray coatings. In all other thermal spray coating process the partial melting of the coating powder particles takes place before deposition, but cold spray process takes place in solid state. In cold spray process, the bonding of coating power with substrate is not metallurgical as in other thermal spray processes. Due to supersonic speed and less temperature of spray particles, solid state, dense, and oxide free coatings are produced. Due to these characteristics, the cold spray coatings have been used to protect the materials against hot corrosion. In the present study, the cold spray process, cold spray fundaments, its types, and its applications for high temperatures are discussed in the light of presently available literature. In addition, the assessment of cold spray with the competitive technologies has been conferred with available literature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cold%20spray%20coating" title="cold spray coating">cold spray coating</a>, <a href="https://publications.waset.org/abstracts/search?q=hot%20corrosion" title=" hot corrosion"> hot corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20spray%20coating" title=" thermal spray coating"> thermal spray coating</a>, <a href="https://publications.waset.org/abstracts/search?q=high-temperature%20materials" title=" high-temperature materials "> high-temperature materials </a> </p> <a href="https://publications.waset.org/abstracts/89039/cold-spray-coating-and-its-application-for-high-temperature" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89039.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">243</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">781</span> The Mechanical and Electrochemical Properties of DC-Electrodeposited Ni-Mn Alloy Coating with Low Internal Stress</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chun-Ying%20Lee">Chun-Ying Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Kuan-Hui%20Cheng"> Kuan-Hui Cheng</a>, <a href="https://publications.waset.org/abstracts/search?q=Mei-Wen%20Wu"> Mei-Wen Wu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The nickel-manganese (Ni-Mn) alloy coating prepared from DC electrodeposition process in sulphamate bath was studied. The effects of process parameters, such as current density and electrolyte composition, on the cathodic current efficiency, microstructure, internal stress and mechanical properties were investigated. Because of its crucial effect on the application to the electroforming of microelectronic components, the development of low internal stress coating with high leveling power was emphasized. It was found that both the coating’s manganese content and the cathodic current efficiency increased with the raise in current density. In addition, the internal stress of the deposited coating showed compressive nature at low current densities while changed to tensile one at higher current densities. Moreover, the metallographic observation, X-ray diffraction measurement, transmission electron microscope (TEM) examination, and polarization curve measurement were conducted. It was found that the Ni-Mn coating consisted of nano-sized columnar grains and the maximum hardness of the coating was associated with (111) preferred orientation in the microstructure. The grain size was refined along with the increase in the manganese content of the coating, which accordingly, raised its hardness and mechanical tensile strength. In summary, the Ni-Mn coating prepared at lower current density of 1-2 A/dm2 had low internal stress, high leveling power, and better corrosion resistance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ni-Mn%20coating" title="Ni-Mn coating">Ni-Mn coating</a>, <a href="https://publications.waset.org/abstracts/search?q=DC%20plating" title=" DC plating"> DC plating</a>, <a href="https://publications.waset.org/abstracts/search?q=internal%20stress" title=" internal stress"> internal stress</a>, <a href="https://publications.waset.org/abstracts/search?q=leveling%20power" title=" leveling power"> leveling power</a> </p> <a href="https://publications.waset.org/abstracts/24914/the-mechanical-and-electrochemical-properties-of-dc-electrodeposited-ni-mn-alloy-coating-with-low-internal-stress" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24914.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">369</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">780</span> Numerical Investigation of Slot Die Coating Based on VOF Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zhidi%20Lei">Zhidi Lei</a>, <a href="https://publications.waset.org/abstracts/search?q=Xixi%20Cai"> Xixi Cai</a>, <a href="https://publications.waset.org/abstracts/search?q=Jue%20Ding"> Jue Ding</a>, <a href="https://publications.waset.org/abstracts/search?q=Peifen%20Weng"> Peifen Weng</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaowei%20Li"> Xiaowei Li</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the process of preparing thin films by chemical solution method, the uniformity of gel coating has a great influence on the subsequent film thickness. Based on a coating device, the research tracks the interface development of gas-liquid flow by volume of fluid method (VOF). The effects of fluid viscosity and wall wetting property for the shape and position of the coating window are discussed in the process of slot die coating. The result shows that downstream contact lines gets closer to the corner with the increase of fluid viscosity. When the viscosity increases from 0.2Pa∙s to 0.3Pa∙s, 18.2% of the vortex region area will be reduced. With the static contact angle of upper die head surface (θ_sd) increasing, X_u decreased gradually which cause the instability changes of upstream surface. Also, θ_sd increasing brings the reduction of vortex region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=film%20growth" title="film growth">film growth</a>, <a href="https://publications.waset.org/abstracts/search?q=vortex" title=" vortex"> vortex</a>, <a href="https://publications.waset.org/abstracts/search?q=VOF" title=" VOF"> VOF</a>, <a href="https://publications.waset.org/abstracts/search?q=slot%20die%20coating" title=" slot die coating"> slot die coating</a> </p> <a href="https://publications.waset.org/abstracts/27342/numerical-investigation-of-slot-die-coating-based-on-vof-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27342.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">373</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">779</span> Apparent Ageing Mechanism of Polyurethane Coating in Typical Atmospheric Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jin%20Gao">Jin Gao</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin%20Zhang"> Jin Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaogang%20Li"> Xiaogang Li</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Outdoor exposure experiments were conducted in three extreme environments, namely the Chinese plateau mountain environment (Lhasa), the cold–temperate environment (Mohe), and the marine atmospheric environment (Wanning), to track a new long-life environment-friendly polyurethane coating. The relationship between apparent properties, namely gloss and microstructural changes, was analyzed, and the influence of typical climatic environment on the aging mechanism of polyurethane coatings was discussed. Results show that the UV radiation in the Lhasa area causes photoaging degradation, micropores are formed on the coating surface, and the powdering phenomenon is obvious. Photodegradation occurs in the Wanning area, and a hydrolysis reaction is observed. The hydrolysis reaction catalyzes the photoaging, the coating surface becomes yellow, and the powdering becomes serious. Photoaging is also present in the Mohe area, but it is mainly due to temperature changes that in turn change the internal stress of the coating. Microcracks and bumps form on the coating surface. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aging" title="aging">aging</a>, <a href="https://publications.waset.org/abstracts/search?q=atmospheric%20environment" title=" atmospheric environment"> atmospheric environment</a>, <a href="https://publications.waset.org/abstracts/search?q=outdoor%20exposure" title=" outdoor exposure"> outdoor exposure</a>, <a href="https://publications.waset.org/abstracts/search?q=polyurethane%20coating" title=" polyurethane coating"> polyurethane coating</a> </p> <a href="https://publications.waset.org/abstracts/117712/apparent-ageing-mechanism-of-polyurethane-coating-in-typical-atmospheric-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/117712.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">126</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">778</span> Formation of Protective Silicide-Aluminide Coating on Gamma-TiAl Advanced Material</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Nouri">S. Nouri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the Si-aluminide coating was prepared on gamma-TiAl [Ti-45Al-2Nb-2Mn-1B (at. %)] via liquid-phase slurry procedure. The high temperature oxidation resistance of this diffusion coating was evaluated at 1100 °C for 400 hours. The results of the isothermal oxidation showed that the formation of Si-aluminide coating can remarkably improve the high temperature oxidation of bare gamma-TiAl alloy. The identification of oxide scale microstructure showed that the formation of protective Al<sub>2</sub>O<sub>3</sub>+SiO<sub>2</sub> mixed oxide scale along with a continuous, compact and uniform layer of Ti<sub>5</sub>Si<sub>3</sub> beneath the surface oxide scale can act as an oxygen diffusion barrier during the high temperature oxidation. The other possible mechanisms related to the formation of Si-aluminide coating and oxide scales were also discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gamma-TiAl%20alloy" title="Gamma-TiAl alloy">Gamma-TiAl alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20temperature%20oxidation" title=" high temperature oxidation"> high temperature oxidation</a>, <a href="https://publications.waset.org/abstracts/search?q=Si-aluminide%20coating" title=" Si-aluminide coating"> Si-aluminide coating</a>, <a href="https://publications.waset.org/abstracts/search?q=slurry%20procedure" title=" slurry procedure"> slurry procedure</a> </p> <a href="https://publications.waset.org/abstracts/105858/formation-of-protective-silicide-aluminide-coating-on-gamma-tial-advanced-material" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105858.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">178</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=6">6</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=7">7</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=8">8</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=9">9</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=10">10</a></li> <li class="page-item disabled"><span class="page-link">...</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=26">26</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=27">27</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=enamel%20coating&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Explore <li><a href="https://waset.org/disciplines">Disciplines</a></li> <li><a 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