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Steel</title> <meta name="description" content="Search results for: coated Steel"> <meta name="keywords" content="coated Steel"> <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="coated Steel"> <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> 2264</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: coated Steel</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2264</span> Tool Wear of Aluminum/Chromium/Tungsten Based Coated Cemented Carbide Tools in Cutting Sintered Steel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tadahiro%20Wada">Tadahiro Wada</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroyuki%20Hanyu"> Hiroyuki Hanyu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, to clarify the effectiveness of an aluminum/chromium/tungsten-based-coated tool for cutting sintered steel, tool wear was experimentally investigated. The sintered steel was turned with the (Al60,Cr25,W15)N-, (Al60,Cr25,W15)(C,N)- and (Al64,Cr28,W8)(C,N)-coated cemented carbide tools according to the physical vapor deposition (PVD) method. Moreover, the tool wear of the aluminum/chromium/tungsten-based-coated item was compared with that of the (Al,Cr)N coated tool. Furthermore, to clarify the tool wear mechanism of the aluminum/chromium/tungsten-coating film for cutting sintered steel, Scanning Electron Microscope observation and Energy Dispersive x-ray Spectroscopy mapping analysis were conducted on the abraded surface. The following results were obtained: (1) The wear progress of the (Al64,Cr28,W8)(C,N)-coated tool was the slowest among that of the five coated tools. (2) Adding carbon (C) to the aluminum/chromium/tungsten-based-coating film was effective for improving the wear-resistance. (3) The main wear mechanism of the (Al60,Cr25,W15)N-, the (Al60,Cr25,W15)(C,N)- and the (Al64,Cr28,W8)(C,N)-coating films was abrasive wear. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cutting" title="cutting">cutting</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20vapor%20deposition%20coating%20method" title=" physical vapor deposition coating method"> physical vapor deposition coating method</a>, <a href="https://publications.waset.org/abstracts/search?q=tool%20wear" title=" tool wear"> tool wear</a>, <a href="https://publications.waset.org/abstracts/search?q=tool%20wear%20mechanism" title=" tool wear mechanism"> tool wear mechanism</a>, <a href="https://publications.waset.org/abstracts/search?q=%28Al" title=" (Al"> (Al</a>, <a href="https://publications.waset.org/abstracts/search?q=Cr" title="Cr">Cr</a>, <a href="https://publications.waset.org/abstracts/search?q=W%29N-coating%20film" title="W)N-coating film">W)N-coating film</a>, <a href="https://publications.waset.org/abstracts/search?q=%28Al" title=" (Al"> (Al</a>, <a href="https://publications.waset.org/abstracts/search?q=Cr" title="Cr">Cr</a>, <a href="https://publications.waset.org/abstracts/search?q=W%29%28C" title="W)(C">W)(C</a>, <a href="https://publications.waset.org/abstracts/search?q=N%29-coating%20film" title="N)-coating film">N)-coating film</a>, <a href="https://publications.waset.org/abstracts/search?q=sintered%20steel" title=" sintered steel"> sintered steel</a> </p> <a href="https://publications.waset.org/abstracts/30858/tool-wear-of-aluminumchromiumtungsten-based-coated-cemented-carbide-tools-in-cutting-sintered-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30858.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">381</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">2263</span> Exploring the Techniques of Achieving Structural Electrical Continuity for Gas Plant Facilities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdulmohsen%20Alghadeer">Abdulmohsen Alghadeer</a>, <a href="https://publications.waset.org/abstracts/search?q=Fahad%20Al%20Mahashir"> Fahad Al Mahashir</a>, <a href="https://publications.waset.org/abstracts/search?q=Loai%20Al%20Owa"> Loai Al Owa</a>, <a href="https://publications.waset.org/abstracts/search?q=Najim%20Alshahrani"> Najim Alshahrani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electrical continuity of steel structure members is an essential condition to ensure equipotential and ultimately to protect personnel and assets in industrial facilities. The steel structure is electrically connected to provide a low resistance path to earth through equipotential bonding to prevent sparks and fires in the event of fault currents and avoid malfunction of the plant with detrimental consequences to the local and global environment. The oil and gas industry is commonly establishing steel structure electrical continuity by bare surface connection of coated steel members. This paper presents information pertaining to a real case of exploring and applying different techniques to achieve the electrical continuity in erecting steel structures at a gas plant facility. A project was supplied with fully coated steel members even at the surface connection members that cause electrical discontinuity. This was observed while a considerable number of steel members had already been received at the job site and erected. This made the resolution of the case to use different techniques such as bolt tightening and torqueing, chemical paint stripping and single point jumpers. These techniques are studied with comparative analysis related to their applicability, workability, time and cost advantages and disadvantages. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coated%20Steel" title="coated Steel">coated Steel</a>, <a href="https://publications.waset.org/abstracts/search?q=electrical%20continuity" title=" electrical continuity"> electrical continuity</a>, <a href="https://publications.waset.org/abstracts/search?q=equipotential%20bonding" title=" equipotential bonding"> equipotential bonding</a>, <a href="https://publications.waset.org/abstracts/search?q=galvanized%20steel" title=" galvanized steel"> galvanized steel</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20plant%20facility" title=" gas plant facility"> gas plant facility</a>, <a href="https://publications.waset.org/abstracts/search?q=lightning%20protection" title=" lightning protection"> lightning protection</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20structure" title=" steel structure"> steel structure</a> </p> <a href="https://publications.waset.org/abstracts/155641/exploring-the-techniques-of-achieving-structural-electrical-continuity-for-gas-plant-facilities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155641.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">127</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">2262</span> High Temperature Behavior of a 75Cr3C2–25NiCr Coated T91 Boiler Steel in an Actual Industrial Environment of a Coal Fired Boiler </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Buta%20Singh%20Sidhu">Buta Singh Sidhu</a>, <a href="https://publications.waset.org/abstracts/search?q=Sukhpal%20Singh%20Chatha"> Sukhpal Singh Chatha</a>, <a href="https://publications.waset.org/abstracts/search?q=Hazoor%20Singh%20Sidhu"> Hazoor Singh Sidhu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present investigation, 75Cr3C2-25NiCr coating was deposited on T91 boiler tube steel substrate by high velocity oxy-fuel (HVOF) process to enhance high-temperature corrosion resistance. High-temperature performance of bare, as well as HVOF-coated steel specimens was evaluated for 1500 h under cyclic conditions in the platen superheater zone coal-fired boiler, where the temperature was around 900 °C. Experiments were carried out for 15 cycles each of 100 h duration followed by 1 h cooling at ambient temperature. The performance of the bare and coated specimens was assessed via metal thickness loss corresponding to the corrosion scale formation and the depth of internal corrosion attack. 75Cr3C2-25NiCr coating deposited on T91 steel imparted better hot corrosion resistance than the uncoated steel. Inferior resistance of bare T91 steel is attributed to the formation of pores and loosely bounded oxide scale rich in Fe2O3. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=75Cr3C2-25NiCr" title="75Cr3C2-25NiCr">75Cr3C2-25NiCr</a>, <a href="https://publications.waset.org/abstracts/search?q=HVOF%20process" title=" HVOF process"> HVOF process</a>, <a href="https://publications.waset.org/abstracts/search?q=boiler%20steel" title=" boiler steel"> boiler steel</a>, <a href="https://publications.waset.org/abstracts/search?q=coal%20fired%20boilers" title=" coal fired boilers "> coal fired boilers </a> </p> <a href="https://publications.waset.org/abstracts/9512/high-temperature-behavior-of-a-75cr3c2-25nicr-coated-t91-boiler-steel-in-an-actual-industrial-environment-of-a-coal-fired-boiler" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9512.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">608</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">2261</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">2260</span> Modeling of Austenitic Stainless Steel during Face Milling Using Response Surface Methodology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20A.%20Selaimia">A. A. Selaimia</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Bensouilah"> H. Bensouilah</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Yallese"> M. A. Yallese</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Meddour"> I. Meddour</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Belhadi"> S. Belhadi</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Mabrouki"> T. Mabrouki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this work is to model the output responses namely; surface roughness (Ra), cutting force (Fc), during the face milling of the austenitic stainless steel X2CrNi18-9 with coated carbide tools (GC4040). For raison, response surface methodology (RMS) is used to determine the influence of each technological parameter. A full factorial design (L27) is chosen for the experiments, and the ANOVA is used in order to evaluate the influence of the technological cutting parameters namely; cutting speed (Vc), feed per tooth, and depth of cut (ap) on the out-put responses. The results reveal that (Ra) is mostly influenced by (fz) and (Fc) is found considerably affected by (ap). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=austenitic%20stainless%20steel" title="austenitic stainless steel">austenitic stainless steel</a>, <a href="https://publications.waset.org/abstracts/search?q=ANOVA" title=" ANOVA"> ANOVA</a>, <a href="https://publications.waset.org/abstracts/search?q=coated%20carbide" title=" coated carbide"> coated carbide</a>, <a href="https://publications.waset.org/abstracts/search?q=response%20surface%20methodology%20%28RSM%29" title=" response surface methodology (RSM)"> response surface methodology (RSM)</a> </p> <a href="https://publications.waset.org/abstracts/75643/modeling-of-austenitic-stainless-steel-during-face-milling-using-response-surface-methodology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75643.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">2259</span> Novel Development on Orthopedic Prosthesis by Nanocrystalline Hydroxyapatite Nanocomposite Coated on 316 L Stainless Steel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Neriman%20Ozada">Neriman Ozada</a>, <a href="https://publications.waset.org/abstracts/search?q=Ebrahim%20Karamian"> Ebrahim Karamian</a>, <a href="https://publications.waset.org/abstracts/search?q=Amirsalar%20Khandan"> Amirsalar Khandan</a>, <a href="https://publications.waset.org/abstracts/search?q=Sina%20Ghafoorpoor%20Yazdi"> Sina Ghafoorpoor Yazdi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Natural hydroxyapatite, NHA, coatings on the surface of 316 L stainless steel implants has been widely employed in order to achieve better osteoconductivity. For coating, the plasma spraying method is generally used because they ensure adhesion between the coating and the 316 L stainless steel (SS) surface. Some compounds such as zircon (ZrSiO4) is employed as an additive in an attempt to improve HA’s mechanical properties such as wear resistance and hardness. In this study wear resistance has been carried out in different chemical compositions of coating. Therefore, nanocomposites based on NHA containing of 0 wt.%, 5 wt.%, 10 wt.%, and 15 wt.% of zircon were used as a coating on the SS implants. The samples consisted of NHA, derived from calf heated at 850 °C for 3 h. The composite mixture was coated on SS by plasma spray method. The results were estimated using the scanning electron microscopy (SEM), X-ray diffraction (XRD) techniques were utilized to characterize the shape and size of NHA powder. Disc wear test and Vickers hardness were utilized to characterize the coated nanocomposite samples. The prepared NHA powder had nano-scale morphological structure with the mean crystallite size of 30-50 nm in diameter. The wear resistance are almost 320, 380, 415, and 395 m/g and hardness are approximately 376, 391, 420, 410 VHN in ceramic composite materials containing ZrSiO4. The results have been shown that the best wear resistance and hardness occurred in the sample coated by NHA/ZrSiO4 containing of 10 wt.% of zircon. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=zircon" title="zircon">zircon</a>, <a href="https://publications.waset.org/abstracts/search?q=316%20L%20stainless%20steel" title=" 316 L stainless steel"> 316 L stainless steel</a>, <a href="https://publications.waset.org/abstracts/search?q=wear%20resistance" title=" wear resistance"> wear resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=orthopedic%20applications" title=" orthopedic applications"> orthopedic applications</a>, <a href="https://publications.waset.org/abstracts/search?q=plasma%20spray" title=" plasma spray "> plasma spray </a> </p> <a href="https://publications.waset.org/abstracts/23159/novel-development-on-orthopedic-prosthesis-by-nanocrystalline-hydroxyapatite-nanocomposite-coated-on-316-l-stainless-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23159.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">433</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">2258</span> Corrosion Protection of Structural Steel by Surfactant Containing Reagents</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D.%20Erdenechimeg">D. Erdenechimeg</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Bujinlkham"> T. Bujinlkham</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Erdenepurev"> N. Erdenepurev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The anti-corrosion performance of fatty acid coated mild steel samples is studied. Samples of structural steel coated with collector reagents deposited from surfactant in ethanol solution and overcoated with an epoxy barrier paint. A quantitative corrosion rate was determined by linear polarization resistance method using biopotentiostat/galvanostat 400. Coating morphology was determined by scanning electronic microscopy. A test for hydrophobic surface of steel by surfactant was done. From the samples, the main component or high content iron was determined by chemical method and other metal contents were determined by Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES) method. Prior to measuring the corrosion rate, mechanical and chemical treatments were performed to prepare the test specimens. Overcoating the metal samples with epoxy barrier paint after exposing them with surfactant the corrosion rate can be inhibited by 34-35 µm/year. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corrosion" title="corrosion">corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=linear%20polarization%20resistance" title=" linear polarization resistance"> linear polarization resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=coating" title=" coating"> coating</a>, <a href="https://publications.waset.org/abstracts/search?q=surfactant" title=" surfactant"> surfactant</a> </p> <a href="https://publications.waset.org/abstracts/116809/corrosion-protection-of-structural-steel-by-surfactant-containing-reagents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/116809.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">99</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">2257</span> Joining of Aluminum and Steel in Car Body Manufacturing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mohammadi">Mohammad Mahdi Mohammadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Zinc-coated steel sheets have been joined with aluminum samples in an overlapping as well as in a butt-joint configuration. A bi-metal-wire composed from aluminum and steel was used for additional welding experiments. An advantage of the laser-assisted bi-metal-wire welding is that the welding process is simplified since the primary joint between aluminium and steel exists already and laser welding occurs only between similar materials. FEM-simulations of the process were chosen to determine the ideal dimensions with respect to the formability of the bi-metal-wire. A prototype demonstrated the feasibility of the process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=car%20body" title="car body">car body</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20sheets" title=" steel sheets"> steel sheets</a>, <a href="https://publications.waset.org/abstracts/search?q=formability%20of%20bi-metal-wire" title=" formability of bi-metal-wire"> formability of bi-metal-wire</a>, <a href="https://publications.waset.org/abstracts/search?q=laser-assisted%20bi-metal-wire" title=" laser-assisted bi-metal-wire"> laser-assisted bi-metal-wire</a> </p> <a href="https://publications.waset.org/abstracts/1580/joining-of-aluminum-and-steel-in-car-body-manufacturing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1580.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">508</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">2256</span> Fundamental Research on Factors Affecting the Under-Film Corrosion Behavior of Coated Steel Members</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20Sakamoto">T. Sakamoto</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Kainuma"> S. Kainuma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Firstly, in order to examine the influence of the remaining amount of the rust on the coating film durability, the accelerated deterioration tests were carried out. In order to prepare test specimens, uncoated steel plates were corroded by the Salt Spray Test (SST) prior to the accelerated deterioration tests, and then the prepared test specimens were coated by epoxy resin and phthalic acid resin each of which has different gas-barrier performance. As the result, it was confirmed that the under-film corrosion occurred in the area and the adjacency to great quantities of salt exists in the rust, and did not occurred in the specimen which was applied the epoxy resin paint after the surface preparation by the power tool. Secondly, in order to clarify the influence of the corrosive factors on the coating film durability, outdoor exposure tests were conducted for one year on actual steel bridge located at a coastal area. The tests specimens consist of coated corroded plates and the uncoated steel plates, and they were installed on the different structural members of the bridge for one year. From the test results, the uncoated steel plates which were installed on the underside of the member are easily corrosive and had highly correlation with the amount of salt in the rust. On the other hand, the most corrosive under-film steel was the vertical surface of the web plate. Thus, it was confirmed that under-film corrosion rate was not match with corrosion rate of the uncoated steel. Consequently, it is estimated that the main factors of under-film corrosion are gas-barrier property of coating film and corrosive factors such as water vapor and temperature. The salt which significantly corrodes the uncoated steel plate is not directly related to the under-film corrosion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=accelerated%20deterioration%20test" title="accelerated deterioration test">accelerated deterioration test</a>, <a href="https://publications.waset.org/abstracts/search?q=coating%20durability" title=" coating durability"> coating durability</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20factor" title=" environmental factor"> environmental factor</a>, <a href="https://publications.waset.org/abstracts/search?q=under-film%20corrosion" title=" under-film corrosion"> under-film corrosion</a> </p> <a href="https://publications.waset.org/abstracts/39312/fundamental-research-on-factors-affecting-the-under-film-corrosion-behavior-of-coated-steel-members" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39312.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">2255</span> Effect of Post Hardening on PVD Coated Tools</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Manjinder%20Bajwa">Manjinder Bajwa</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahipal%20Singh"> Mahipal Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashish%20Tulli"> Ashish Tulli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the research, the effect of varying cutting parameters, design parameters and heat treatment processes were studied on the cutting performance (Tool life) of a PVD coated tool. Thus, in a quest for these phenomenon comparison, a single coated tool and a multicoated tool were analyzed after suitable heat treatment process. TNMG shaped insert with single coating of TiCN and multi-coating of TiAlN/TiN were developed on tungsten carbide substrate. These coated inserts were then successfully annealed and normalized for a temperature of 350°C for 30 minutes and their cutting performance was evaluated as per the flank wear obtained after turning of mild steel. The results showed that heat treatment had a suitable impact on the tool life of the coated insert and also led to increase in the micro-hardness of the tool coatings and decrease in the wear rate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PVD%20coatings" title="PVD coatings">PVD coatings</a>, <a href="https://publications.waset.org/abstracts/search?q=flank%20wear" title=" flank wear"> flank wear</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-hardness" title=" micro-hardness"> micro-hardness</a>, <a href="https://publications.waset.org/abstracts/search?q=annealing" title=" annealing"> annealing</a>, <a href="https://publications.waset.org/abstracts/search?q=normalizing" title=" normalizing"> normalizing</a> </p> <a href="https://publications.waset.org/abstracts/26559/effect-of-post-hardening-on-pvd-coated-tools" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26559.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">354</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">2254</span> Fabrication of Superhydrophobic Galvanized Steel by Sintering Zinc Nanopowder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Francisco%20Javier%20Montes%20Ruiz-Cabello">Francisco Javier Montes Ruiz-Cabello</a>, <a href="https://publications.waset.org/abstracts/search?q=Guillermo%20Guerrero-Vacas"> Guillermo Guerrero-Vacas</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Bermudez-Romero"> Sara Bermudez-Romero</a>, <a href="https://publications.waset.org/abstracts/search?q=Miguel%20Cabrerizo%20Vilchez"> Miguel Cabrerizo Vilchez</a>, <a href="https://publications.waset.org/abstracts/search?q=Miguel%20Angel%20Rodriguez-Valverde"> Miguel Angel Rodriguez-Valverde</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Galvanized steel is one of the widespread metallic materials used in industry. It consists on a iron-based alloy (steel) coated with a layer of zinc with variable thickness. The zinc is aimed to prevent the inner steel from corrosion and staining. Its production is cheaper than the stainless steel and this is the reason why it is employed in the construction of materials with large dimensions in aeronautics, urban/ industrial edification or ski-resorts. In all these applications, turning the natural hydrophilicity of the metal surface into superhydrophobicity is particularly interesting and would open a wide variety of additional functionalities. However, producing a superhydrophobic surface on galvanized steel may be a very difficult task. Superhydrophobic surfaces are characterized by a specific surface texture which is reached either by coating the surface with a material that incorporates such texture, or by conducting several roughening methods. Since galvanized steel is already a coated material, the incorporation of a second coating may be undesired. On the other hand, the methods that are recurrently used to incorporate the surface texture leading to superhydrophobicity in metals are aggressive and may damage their surface. In this work, we used a novel strategy which goal is to produce superhydrophobic galvanized steel by a two-step non-aggressive process. The first process is aimed to create a hierarchical structure by incorporating zinc nanoparticles sintered on the surface at a temperature slightly lower than the zinc’s melting point. The second one is a hydrophobization by a thick fluoropolymer layer deposition. The wettability of the samples is characterized in terms of tilting plate and bouncing drop experiments, while the roughness is analyzed by confocal microscopy. The durability of the produced surfaces was also explored. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=galvanaized%20steel" title="galvanaized steel">galvanaized steel</a>, <a href="https://publications.waset.org/abstracts/search?q=superhydrophobic%20surfaces" title=" superhydrophobic surfaces"> superhydrophobic surfaces</a>, <a href="https://publications.waset.org/abstracts/search?q=sintering%20nanoparticles" title=" sintering nanoparticles"> sintering nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=zinc%20nanopowder" title=" zinc nanopowder"> zinc nanopowder</a> </p> <a href="https://publications.waset.org/abstracts/124318/fabrication-of-superhydrophobic-galvanized-steel-by-sintering-zinc-nanopowder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/124318.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">150</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">2253</span> Alternative Coating Compositions by Thermal Arc Spraying to Improve the Contact Heat Treatment in Press Hardening</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Philipp%20Burger">Philipp Burger</a>, <a href="https://publications.waset.org/abstracts/search?q=Jonas%20Sommer"> Jonas Sommer</a>, <a href="https://publications.waset.org/abstracts/search?q=Haneen%20Daoud"> Haneen Daoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Franz%20Hilmer"> Franz Hilmer</a>, <a href="https://publications.waset.org/abstracts/search?q=Uwe%20Glatzel"> Uwe Glatzel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Press-hardened structural components made of coated high-strength steel are an essential part of the automotive industry when it comes to weight reduction, safety, and durability. Alternative heat treatment processes, such as contact heating, have been developed to improve the efficiency of this process. However, contact heating of the steel sheets often results in cracking within the Al-Si-coated layer. Therefore, this paper will address the development of alternative coating compositions based on Al-Si-X, suitable for contact heating. For this purpose, robot-assisted thermal arc spray was applied to coat the high-strength steel sheets. This ensured high reproducibility as well as effectiveness. The influence of the coating parameters and the variation of the nozzle geometry on the microstructure of the developed coatings will be discussed. Finally, the surface and mechanical properties after contact heating and press hardening will be presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=press%20hardening" title="press hardening">press hardening</a>, <a href="https://publications.waset.org/abstracts/search?q=hot%20stamping" title=" hot stamping"> hot stamping</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20spraying" title=" thermal spraying"> thermal spraying</a>, <a href="https://publications.waset.org/abstracts/search?q=arc%20spraying" title=" arc spraying"> arc spraying</a>, <a href="https://publications.waset.org/abstracts/search?q=coating%20compositions" title=" coating compositions"> coating compositions</a> </p> <a href="https://publications.waset.org/abstracts/159998/alternative-coating-compositions-by-thermal-arc-spraying-to-improve-the-contact-heat-treatment-in-press-hardening" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159998.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">2252</span> Enhanced of Corrosion Resistance of Carbon Steel C1018 with Nano-Tio2 Films Using Dip-Coating Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mai%20M.%20Khalaf">Mai M. Khalaf</a>, <a href="https://publications.waset.org/abstracts/search?q=Hany%20M.%20Abd%20El-Lateef"> Hany M. Abd El-Lateef</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A new good application for the sol gel method is to improve the corrosion inhibition properties of carbon steel by the dip coating method of Nano TiO2 films and its modification with Poly Ethylene Glycol (PEG). The prepared coating samples were investigated by different techniques, X-ray diffraction, Scanning Electron Microscopy (SEM), transmission electron microscopy and Energy Dispersive X-ray Spectroscopy (EDAX). The corrosion inhibition performance of the blank carbon steel and prepared coatings samples were evaluated in 0.5 M H2SO4 by using Electrochemical Impedance Spectroscopy (EIS) and potentiodynamic polarization measurements. The results showed that corrosion resistance of carbon steel increases with increasing the number of coated layers of both nano–TiO2 films and its modification of PEG. SEM-EDAX analyses confirmed that the percentage atomic content of iron for the carbon steel in 0.5 M H2SO4 is 83% and after the deposition of the steel in nano TiO2 sol and that with PEG are 94.3% and 93.7% respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dip-coatings" title="dip-coatings">dip-coatings</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion%20protection" title=" corrosion protection"> corrosion protection</a>, <a href="https://publications.waset.org/abstracts/search?q=sol%20gel" title=" sol gel"> sol gel</a>, <a href="https://publications.waset.org/abstracts/search?q=TiO2%20films" title=" TiO2 films"> TiO2 films</a>, <a href="https://publications.waset.org/abstracts/search?q=PEG" title=" PEG"> PEG</a> </p> <a href="https://publications.waset.org/abstracts/24640/enhanced-of-corrosion-resistance-of-carbon-steel-c1018-with-nano-tio2-films-using-dip-coating-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24640.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">429</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">2251</span> Graphene/ZnO/Polymer Nanocomposite Thin Film for Separation of Oil-Water Mixture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suboohi%20Shervani">Suboohi Shervani</a>, <a href="https://publications.waset.org/abstracts/search?q=Jingjing%20Ling"> Jingjing Ling</a>, <a href="https://publications.waset.org/abstracts/search?q=Jiabin%20Liu"> Jiabin Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Tahir%20Husain"> Tahir Husain</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Offshore oil-spill has become the most emerging problem in the world. In the current paper, a graphene/ZnO/polymer nanocomposite thin film is coated on stainless steel mesh via layer by layer deposition method. The structural characterization of materials is determined by Scanning Electron Microscopy (SEM) and X-ray diffraction (XRD). The total petroleum hydrocarbons (TPHs) and separation efficiency have been measured via gas chromatography – flame ionization detector (GC-FID). TPHs are reduced to 2 ppm and separation efficiency of the nanocomposite coated mesh is reached ≥ 99% for the final sample. The nanocomposite coated mesh acts as a promising candidate for the separation of oil- water mixture. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oil%20spill" title="oil spill">oil spill</a>, <a href="https://publications.waset.org/abstracts/search?q=graphene" title=" graphene"> graphene</a>, <a href="https://publications.waset.org/abstracts/search?q=oil-water%20separation" title=" oil-water separation"> oil-water separation</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocomposite" title=" nanocomposite"> nanocomposite</a> </p> <a href="https://publications.waset.org/abstracts/112190/grapheneznopolymer-nanocomposite-thin-film-for-separation-of-oil-water-mixture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112190.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">173</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">2250</span> Corrosion Resistance Performance of Epoxy/Polyamidoamine Coating Due to Incorporation of Nano Aluminium Powder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asiful%20Hossain%20Seikh">Asiful Hossain Seikh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Asif%20Alam"> Mohammad Asif Alam</a>, <a href="https://publications.waset.org/abstracts/search?q=Ubair%20Abdus%20Samad"> Ubair Abdus Samad</a>, <a href="https://publications.waset.org/abstracts/search?q=Jabair%20A.%20Mohammed"> Jabair A. Mohammed</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20M.%20Al-Zahrani"> S. M. Al-Zahrani</a>, <a href="https://publications.waset.org/abstracts/search?q=El-Sayed%20M.%20Sherif"> El-Sayed M. Sherif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this current investigation, aliphatic amine-cured diglycidyl ether of bisphenol-A (DGEBA) based epoxy coating was mixed with certain weight % hardener polyaminoamide (1:2) and was coated on carbon steel panels with and without 1% nano crystalline Al powder. The corrosion behavior of the coated samples were investigated by exposing them in the salt spray chamber, for 500 hours. According to ASTM-B-117, the bath was kept at 35 °C and 5% NaCl containing mist was sprayed at 1.3 bars pressure. Composition of coatings was confirmed using Fourier-transform infrared spectroscopy (FTIR). Electrochemical characterization of the coated samples was also performed using potentiodynamic polarization technique and electrochemical impedance spectroscopy (EIS) technique. All the experiments were done in 3.5% NaCl solution. The nano Al coated sample shows good corrosion resistance property compared to bare Al sample. In fact after salt spray exposure no pitting or local damage was observed for nano coated sample and the coating gloss was negligibly affected. The surface morphology of coated and corroded samples was studied using scanning electron microscopy (SEM). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=epoxy" title="epoxy">epoxy</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20aluminium" title=" nano aluminium"> nano aluminium</a>, <a href="https://publications.waset.org/abstracts/search?q=potentiodynamic%20polarization" title=" potentiodynamic polarization"> potentiodynamic polarization</a>, <a href="https://publications.waset.org/abstracts/search?q=salt%20spray" title=" salt spray"> salt spray</a>, <a href="https://publications.waset.org/abstracts/search?q=electrochemical%20impedence%20spectroscopy" title=" electrochemical impedence spectroscopy"> electrochemical impedence spectroscopy</a> </p> <a href="https://publications.waset.org/abstracts/148069/corrosion-resistance-performance-of-epoxypolyamidoamine-coating-due-to-incorporation-of-nano-aluminium-powder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148069.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">167</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">2249</span> Correlation Between Hydrogen Charging and Charpy Impact of 4340 Steel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20Alcisto">J. Alcisto</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Papakyriakou"> M. Papakyriakou</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Guerra"> J. Guerra</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Dominguez"> A. Dominguez</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Miller"> M. Miller</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Foyos"> J. Foyos</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Jones"> E. Jones</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Ula"> N. Ula</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Hahn"> M. Hahn</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Zeng"> L. Zeng</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Li"> Y. Li</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20S.%20Es-Said"> O. S. Es-Said</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Current methods of testing for hydrogen charging are slow and time consuming. The objective of this paper was to determine if hydrogen charging can be detected quantitatively through the use of Charpy Impact (CI) testing. CI is a much faster and simpler process than current methods for detecting hydrogen charging. Steel plates were Electro Discharge Machined (EDM) into ninety-six 4340 steel CI samples and forty-eight tensile bars. All the samples were heat treated at 900°C to austentite and then rapidly quenched in water to form martensite. The samples were tempered at eight different target strengths/target temperatures (145, 160, 170, 180, 190, 205, 220, to 250KSI, thousands of pounds per square inch)/(1100, 1013, 956, 898, 840, 754, 667, 494 degrees Celsius). After a tedious process of grinding and machining v-notches to the Charpy samples, they were divided into four groups. One group was kept as received baseline for comparison while the other three groups were sent to Alcoa (Fasteners) Inc. in Torrance to be cadmium coated. The three groups were coated with three thicknesses (2, 3 and 5 mils). That means that the samples were charged with ascending hydrogen levels. The samples were CI tested and tensile tested, and the data was tabulated and compared to the baseline group of uncharged samples of the same material. The results of this study were successful and indicated that CI testing was able to quantitatively detect hydrogen charging. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Charpy%20impact%20toughness" title="Charpy impact toughness">Charpy impact toughness</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogen%20charging" title=" hydrogen charging"> hydrogen charging</a>, <a href="https://publications.waset.org/abstracts/search?q=4340%20steel" title=" 4340 steel"> 4340 steel</a>, <a href="https://publications.waset.org/abstracts/search?q=Electro%20Discharge%20Machined%20%28EDM%29" title=" Electro Discharge Machined (EDM)"> Electro Discharge Machined (EDM)</a> </p> <a href="https://publications.waset.org/abstracts/11966/correlation-between-hydrogen-charging-and-charpy-impact-of-4340-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11966.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">298</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">2248</span> Corrosion Protection of Steel 316 by Electrochemically Synthesized Conductive Poly (O-Toluidine)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Acar">H. Acar</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Karak%C4%B1%C5%9Fla"> M. Karakışla</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Aksu"> L. Aksu</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Sa%C3%A7ak"> M. Saçak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The corrosion protection effect of poly(o-toluidine) (POT) coated on steel 316 electrode was determined in corrosive media such as NaCl, H2SO4 and HCl with the use of Tafel curves and electrochemical impedance spectroscopy techniques. The POT coatings were prepared with cyclic voltammetry technique in aqueous solution of oxalic acid and they were characterized by FTIR and UV-Visible absorption spectroscopy. The Tafel curves revealed that the POT coating provides the most effective protection compared to the bare steel 316 electrode in NaCl as corrosive medium. The results were evaluated based upon data decrease of corrosion current and shift to positive potentials with the increase of number of scans. Electrochemical impedance spectroscopy measurements were found to support Tafel data of POT coating. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corrosion" title="corrosion">corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=impedance%20spectroscopy" title=" impedance spectroscopy"> impedance spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20316" title=" steel 316"> steel 316</a>, <a href="https://publications.waset.org/abstracts/search?q=poly%28o-toluidine%29" title=" poly(o-toluidine) "> poly(o-toluidine) </a> </p> <a href="https://publications.waset.org/abstracts/27993/corrosion-protection-of-steel-316-by-electrochemically-synthesized-conductive-poly-o-toluidine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27993.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">319</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">2247</span> Corrosion Protective Coatings in Machines Design</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cristina%20Diaz">Cristina Diaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Lucia%20Perez"> Lucia Perez</a>, <a href="https://publications.waset.org/abstracts/search?q=Simone%20Visigalli"> Simone Visigalli</a>, <a href="https://publications.waset.org/abstracts/search?q=Giuseppe%20Di%20Florio"> Giuseppe Di Florio</a>, <a href="https://publications.waset.org/abstracts/search?q=Gonzalo%20Fuentes"> Gonzalo Fuentes</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberto%20Canziani"> Roberto Canziani</a>, <a href="https://publications.waset.org/abstracts/search?q=Paolo%20Gronchi"> Paolo Gronchi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> During the last 50 years, the selection of materials is one of the main decisions in machine design for different industrial applications. It is due to numerous physical, chemical, mechanical and technological factors to consider in it. Corrosion effects are related with all of these factors and impact in the life cycle, machine incidences and the costs for the life of the machine. Corrosion affects the deterioration or destruction of metals due to the reaction with the environment, generally wet. In food industry, dewatering industry, concrete industry, paper industry, etc. corrosion is an unsolved problem and it might introduce some alterations of some characteristics in the final product. Nowadays, depending on the selected metal, its surface and its environment of work, corrosion prevention might be a change of metal, use a coating, cathodic protection, use of corrosion inhibitors, etc. In the vast majority of the situations, use of a corrosion resistant material or in its defect, a corrosion protection coating is the solution. Stainless steels are widely used in machine design, because of their strength, easily cleaned capacity, corrosion resistance and appearance. Typical used are AISI 304 and AISI 316. However, their benefits don’t fit every application, and some coatings are required against corrosion such as some paintings, galvanizing, chrome plating, SiO₂, TiO₂ or ZrO₂ coatings, etc. In this work, some coatings based in a bilayer made of Titanium-Tantalum, Titanium-Niobium, Titanium-Hafnium or Titanium-Zirconium, have been developed used magnetron sputtering configuration by PVD (Physical Vapor Deposition) technology, for trying to reduce corrosion effects on AISI 304, AISI 316 and comparing it with Titanium alloy substrates. Ti alloy display exceptional corrosion resistance to chlorides, sour and oxidising acidic media and seawater. In this study, Ti alloy (99%) has been included for comparison with coated AISI 304 and AISI 316 stainless steel. Corrosion tests were conducted by a Gamry Instrument under ASTM G5-94 standard, using different electrolytes such as tomato salsa, wine, olive oil, wet compost, a mix of sand and concrete with water and NaCl for testing corrosion in different industrial environments. In general, in all tested environments, the results showed an improvement of corrosion resistance of all coated AISI 304 and AISI 316 stainless steel substrates when they were compared to uncoated stainless steel substrates. After that, comparing these results with corrosion studies on uncoated Ti alloy substrate, it was observed that in some cases, coated stainless steel substrates, reached similar current density that uncoated Ti alloy. Moreover, Titanium-Zirconium and Titanium-Tantalum coatings showed for all substrates in study including coated Ti alloy substrates, a reduction in current density more than two order in magnitude. As conclusion, Ti-Ta, Ti-Zr, Ti-Nb and Ti-Hf coatings have been developed for improving corrosion resistance of AISI 304 and AISI 316 materials. After corrosion tests in several industry environments, substrates have shown improvements on corrosion resistance. Similar processes have been carried out in Ti alloy (99%) substrates. Coated AISI 304 and AISI 316 stainless steel, might reach similar corrosion protection on the surface than uncoated Ti alloy (99%). Moreover, coated Ti Alloy (99%) might increase its corrosion resistance using these coatings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coatings" title="coatings">coatings</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion" title=" corrosion"> corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=PVD" title=" PVD"> PVD</a>, <a href="https://publications.waset.org/abstracts/search?q=stainless%20steel" title=" stainless steel"> stainless steel</a> </p> <a href="https://publications.waset.org/abstracts/90961/corrosion-protective-coatings-in-machines-design" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90961.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">158</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">2246</span> Fire Protection Performance of Different Industrial Intumescent Coatings for Steel Beams</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Serkan%20Kocapinar">Serkan Kocapinar</a>, <a href="https://publications.waset.org/abstracts/search?q=G%C3%BClay%20Altay"> Gülay Altay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigates the efficiency of two different industrial intumescent coatings which have different types of certifications, in the fire protection performance in steel beams in the case of ISO 834 fire for 2 hours. A better understanding of industrial intumescent coatings, which assure structural integrity and prevent a collapse of steel structures, is needed to minimize the fire risks in steel structures. A comparison and understanding of different fire protective intumescent coatings, which are Product A and Product B, are used as a thermal barrier between the steel components and the fire. Product A is tested according to EN 13381-8 and BS 476-20,22 and is certificated by ISO Standards. Product B is tested according to EN 13381-8 and ASTM UL-94 and is certificated by the Turkish Standards Institute (TSE). Generally, fire tests to evaluate the fire performance of steel components are done numerically with commercial software instead of experiments due to the high cost of an ISO 834 fire test in a furnace. Hence, there is a gap in the literature about the comparisons of different certificated intumescent coatings for fire protection in the case of ISO 834 fire in a furnace experiment for 2 hours. The experiment was carried out by using two 1-meter UPN 200 steel sections. Each one was coated by different industrial intumescent coatings. A furnace was used by the Turkish Standards Institute (TSE) for the experiment. The temperature of the protected steels and the inside of the furnace was measured with the help of 24 thermocouples which were applied before the intumescent coatings during the two hours for the performance of intumescent coatings by getting a temperature-time curve of steel components. FIN EC software was used to determine the critical temperatures of protected steels, and Abaqus was used for thermal analysis to get theoretical results to compare with the experimental results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fire%20safety" title="fire safety">fire safety</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20steel" title=" structural steel"> structural steel</a>, <a href="https://publications.waset.org/abstracts/search?q=ABAQUS" title=" ABAQUS"> ABAQUS</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20analysis" title=" thermal analysis"> thermal analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=FIN%20EC" title=" FIN EC"> FIN EC</a>, <a href="https://publications.waset.org/abstracts/search?q=intumescent%20coatings" title=" intumescent coatings"> intumescent coatings</a> </p> <a href="https://publications.waset.org/abstracts/152414/fire-protection-performance-of-different-industrial-intumescent-coatings-for-steel-beams" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152414.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">103</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">2245</span> Studies on the Characterization and Machinability of Duplex Stainless Steel 2205 during Dry Turning</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gaurav%20D.%20Sonawane">Gaurav D. Sonawane</a>, <a href="https://publications.waset.org/abstracts/search?q=Vikas%20G.%20Sargade"> Vikas G. Sargade</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present investigation is a study of the effect of advanced Physical Vapor Deposition (PVD) coatings on cutting temperature residual stresses and surface roughness during Duplex Stainless Steel (DSS) 2205 turning. Austenite stabilizers like nickel, manganese, and molybdenum reduced the cost of DSS. Surface Integrity (SI) plays an important role in determining corrosion resistance and fatigue life. Resistance to various types of corrosion makes DSS suitable for applications with critical environments like Heat exchangers, Desalination plants, Seawater pipes and Marine components. However, lower thermal conductivity, poor chip control and non-uniform tool wear make DSS very difficult to machine. Cemented carbide tools (M grade) were used to turn DSS in a dry environment. AlTiN and AlTiCrN coatings were deposited using advanced PVD High Pulse Impulse Magnetron Sputtering (HiPIMS) technique. Experiments were conducted with cutting speed of 100 m/min, 140 m/min and 180 m/min. A constant feed and depth of cut of 0.18 mm/rev and 0.8 mm were used, respectively. AlTiCrN coated tools followed by AlTiN coated tools outperformed uncoated tools due to properties like lower thermal conductivity, higher adhesion strength and hardness. Residual stresses were found to be compressive for all the tools used for dry turning, increasing the fatigue life of the machined component. Higher cutting temperatures were observed for coated tools due to its lower thermal conductivity, which results in very less tool wear than uncoated tools. Surface roughness with uncoated tools was found to be three times higher than coated tools due to lower coefficient of friction of coating used. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cutting%20temperature" title="cutting temperature">cutting temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=DSS2205" title=" DSS2205"> DSS2205</a>, <a href="https://publications.waset.org/abstracts/search?q=dry%20turning" title=" dry turning"> dry turning</a>, <a href="https://publications.waset.org/abstracts/search?q=HiPIMS" title=" HiPIMS"> HiPIMS</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20integrity" title=" surface integrity"> surface integrity</a> </p> <a href="https://publications.waset.org/abstracts/103034/studies-on-the-characterization-and-machinability-of-duplex-stainless-steel-2205-during-dry-turning" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/103034.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">133</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">2244</span> Evaluation of the Effect Rare Earth Metal on the Microstructure and Properties of Zn-ZnO-Y2O3 Coating of Mild Steel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20P.%20I.%20Popoola">A. P. I. Popoola</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20S.%20I.%20Fayomi"> O. S. I. Fayomi</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20S.%20Aigbodion"> V. S. Aigbodion </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mild steel has found many engineering applications due to its great formability, availability, low cost and good mechanical properties among others. However its functionality and durability is subject of concern due to corrosion deterioration. Based on these Yttrium is selected as reinforcing particles using electroplating process in this work to enhance the corrosion resistance. Bath formulation of zinc-yttrium was prepared at moderated temperature and pH, to coat mild steel sample. Corrosion and wear behaviour were analyzed using electrochemical potentiostat and abrasive test rig. The composition and microstructure of coated films were investigated standard method. The microstructure of the deposited plate obtained from optimum (10%Yttrium) bath revealed fine-grained deposit of the alloy in the presence of condensation product and hence modified the morphology of zinc–yttrium alloy deposit. It is demonstrated that by adding yttria particles, mild steel can be strengthened with improved polarization behaviour and higher resistance to corrosive in sodium chloride solutions. Microhardness of the coating compared to plain mild steel have increased before and after heat treatment, and an increased wear resistance was also obtained from the modified coating of zinc-yttrium. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microhardness" title="microhardness">microhardness</a>, <a href="https://publications.waset.org/abstracts/search?q=zinc-yttrium" title=" zinc-yttrium"> zinc-yttrium</a>, <a href="https://publications.waset.org/abstracts/search?q=coating" title=" coating"> coating</a>, <a href="https://publications.waset.org/abstracts/search?q=mild%20steel" title=" mild steel"> mild steel</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure" title=" microstructure"> microstructure</a>, <a href="https://publications.waset.org/abstracts/search?q=wear" title=" wear"> wear</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion" title=" corrosion"> corrosion</a> </p> <a href="https://publications.waset.org/abstracts/37636/evaluation-of-the-effect-rare-earth-metal-on-the-microstructure-and-properties-of-zn-zno-y2o3-coating-of-mild-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37636.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">288</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">2243</span> Hybrid Stainless Steel Girder for Bridge Construction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tetsuya%20Yabuki">Tetsuya Yabuki</a>, <a href="https://publications.waset.org/abstracts/search?q=Yasunori%20Arizumi"> Yasunori Arizumi</a>, <a href="https://publications.waset.org/abstracts/search?q=Tetsuhiro%20Shimozato"> Tetsuhiro Shimozato</a>, <a href="https://publications.waset.org/abstracts/search?q=Samy%20Guezouli"> Samy Guezouli</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroaki%20Matsusita"> Hiroaki Matsusita</a>, <a href="https://publications.waset.org/abstracts/search?q=Masayuki%20Tai"> Masayuki Tai</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main object of this paper is to present the research results of the development of a hybrid stainless steel girder system for bridge construction undertaken at University of Ryukyu. In order to prevent the corrosion damage and reduce the fabrication costs, a hybrid stainless steel girder in bridge construction is developed, the stainless steel girder of which is stiffened and braced by structural carbon steel materials. It is verified analytically and experimentally that the ultimate strength of the hybrid stainless steel girder is equal to or greater than that of conventional carbon steel girder. The benefit of the life-cycle cost of the hybrid stainless steel girder is also shown. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=smart%20structure" title="smart structure">smart structure</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20stainless%20steel%20members" title=" hybrid stainless steel members"> hybrid stainless steel members</a>, <a href="https://publications.waset.org/abstracts/search?q=ultimate%20strength" title=" ultimate strength"> ultimate strength</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20bridge" title=" steel bridge"> steel bridge</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion%20prevention" title=" corrosion prevention"> corrosion prevention</a> </p> <a href="https://publications.waset.org/abstracts/51375/hybrid-stainless-steel-girder-for-bridge-construction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51375.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">378</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">2242</span> A Range of Steel Production in Japan towards 2050</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reina%20Kawase">Reina Kawase</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Japan set the goal of 80% reduction in GHG emissions by 2050. To consider countermeasures for reducing GHG emission, the production estimation of energy intensive materials, such as steel, is essential. About 50% of steel production is exported in Japan, so it is necessary to consider steel production including export. Steel productions from 2005-2050 in Japan were estimated under various global assumptions based on combination of scenarios such as goods trade scenarios and steel making process selection scenarios. Process selection scenarios decide volume of steel production by process (basic oxygen furnace and electric arc furnace) with considering steel consumption projection, supply-demand balance of steel, and scrap surplus. The range of steel production by process was analyzed. Maximum steel production was estimated under the scenario which consumes scrap in domestic steel production at maximum level. In 2035, steel production reaches 149 million ton because of increase in electric arc furnace steel. However, it decreases towards 2050 and amounts to 120 million ton, which is almost same as a current level. Minimum steel production is under the scenario which assumes technology progress in steel making and supply-demand balance consideration in each region. Steel production decreases from base year and is 44 million ton in 2050. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=goods%20trade%20scenario" title="goods trade scenario">goods trade scenario</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20making%20process%20selection%20scenario" title=" steel making process selection scenario"> steel making process selection scenario</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20production" title=" steel production"> steel production</a>, <a href="https://publications.waset.org/abstracts/search?q=global%20warming" title=" global warming"> global warming</a> </p> <a href="https://publications.waset.org/abstracts/41704/a-range-of-steel-production-in-japan-towards-2050" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41704.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">383</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">2241</span> Effects of Titanium Dioxide Coatings on Building Composites for Sustainable Construction Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ifeyinwa%20Ijeoma%20Obianyo">Ifeyinwa Ijeoma Obianyo</a>, <a href="https://publications.waset.org/abstracts/search?q=Luqman%20Adedeji%20Taiwo"> Luqman Adedeji Taiwo</a>, <a href="https://publications.waset.org/abstracts/search?q=Olugbenga%20O.%20Amu"> Olugbenga O. Amu</a>, <a href="https://publications.waset.org/abstracts/search?q=Azikiwe%20Peter%20Onwualu"> Azikiwe Peter Onwualu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Improving the durability of building materials saves maintenance costs, construction time, and energy. In this study, titanium dioxide coated conventional and non-conventional composites were produced, and the effects of titanium dioxide coatings were investigated. Conventional composites were produced using river sand and Portland cement, whereas non-conventional composites were produced by partially replacing river sand and Portland cement with quarry dust and rice husk ash. Water absorption and thickness swelling tests were conducted on the produced coated and non-coated block samples. A reduction in water absorption was observed in the coated composite samples when compared to the non-coated composite samples, and this is an indication of the improved durability of the samples coated with titanium dioxide. However, there was an increase in the thickness swelling of coatings on the coated block samples, but this increase has a slight influence on the compressive strength of the coated samples. The outcome of this study indicates that coating composite building blocks with titanium dioxide will improve theirdurability. Also, the site exposure experiments revealed the self-cleansing properties of TiO2-coated composite block samples, while the Rhodamine B discolouration test confirmed the photocatalytic features of TiO2-coated composite block samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=titanium%20dioxide" title="titanium dioxide">titanium dioxide</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20absorption" title=" water absorption"> water absorption</a>, <a href="https://publications.waset.org/abstracts/search?q=durability" title=" durability"> durability</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=building%20composite" title=" building composite"> building composite</a> </p> <a href="https://publications.waset.org/abstracts/156859/effects-of-titanium-dioxide-coatings-on-building-composites-for-sustainable-construction-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156859.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">112</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">2240</span> Structural Performance of Concrete Beams Reinforced with Steel Plates: Experimental Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mazin%20Mohammed%20S.%20Sarhan">Mazin Mohammed S. Sarhan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study presents the performance of concrete beams reinforced with steel plates as a technique of reinforcement. Three reinforced concrete beams with the dimensions of 200 mm x 300 mm x 4000 mm (width x height x length, respectively) were experimentally investigated under flexural loading. The deformed steel bars were used as the main reinforcement for the first beam. A steel plate placed horizontally was used as the main reinforcement for the second beam. The bond between the steel plate and the surrounding concrete was enhanced by using steel bolts (with a diameter of 20 mm and length of 100 mm) welded to the steel plate at a regular distance of 200 mm. A pair of steel plates placed vertically was used as the main reinforcement for the third beam. The bond between the pair steel plates and the surrounding concrete was enhanced by using 4 equal steel angles (with the dimensions of 75 mm x 75 mm and the thickness of 8 mm) for each vertical steel plate. Two steel angles were welded at each end of the steel plate. The outcomes revealed that the bending stiffness of the beams reinforced with steel plates was higher than that reinforced with deformed steel bars. Also, the flexural ductile behavior of the second beam was much higher than the rest beams. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concrete%20beam" title="concrete beam">concrete beam</a>, <a href="https://publications.waset.org/abstracts/search?q=deflection" title=" deflection"> deflection</a>, <a href="https://publications.waset.org/abstracts/search?q=ductility" title=" ductility"> ductility</a>, <a href="https://publications.waset.org/abstracts/search?q=plate" title=" plate"> plate</a> </p> <a href="https://publications.waset.org/abstracts/114584/structural-performance-of-concrete-beams-reinforced-with-steel-plates-experimental-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114584.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">160</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">2239</span> Ultimate Stress of the Steel Tube in Circular Concrete-Filled Steel Tube Stub Columns Subjected to Axial Compression</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Siqi%20Lin">Siqi Lin</a>, <a href="https://publications.waset.org/abstracts/search?q=Yangang%20Zhao"> Yangang Zhao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Concrete-filled steel tube column achieves the excellent performance of high strength, stiffness, and ductility due to the confinement from the steel tube. Well understanding the stress of the steel tube is important to make clear the confinement effect. In this paper, the ultimate stress of the steel tube in circular concrete-filled steel tube columns subjected to axial compression was studied. Experimental tests were conducted to investigate the effects of the parameters, including concrete strength, steel strength, and D/t ratio, on the ultimate stress of the steel tube. The stress of the steel tube was determined by employing the Prandtl-Reuss flow rule associated with isotropic strain hardening. Results indicate that the stress of steel tube was influenced by the parameters. Specimen with higher strength ratio fy/fc and smaller D/t ratio generally leads to a higher utilization efficiency of the steel tube. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concrete-filled%20steel%20tube" title="concrete-filled steel tube">concrete-filled steel tube</a>, <a href="https://publications.waset.org/abstracts/search?q=axial%20compression" title=" axial compression"> axial compression</a>, <a href="https://publications.waset.org/abstracts/search?q=ultimate%20stress" title=" ultimate stress"> ultimate stress</a>, <a href="https://publications.waset.org/abstracts/search?q=utilization%20efficiency" title=" utilization efficiency"> utilization efficiency</a> </p> <a href="https://publications.waset.org/abstracts/71468/ultimate-stress-of-the-steel-tube-in-circular-concrete-filled-steel-tube-stub-columns-subjected-to-axial-compression" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71468.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">424</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">2238</span> The Effects of Dimethyl Adipate (DMA) on Coated Diesel Engine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hanbey%20Hazar">Hanbey Hazar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An experimental study is conducted to evaluate the effects of using blends of diesel fuel with dimethyl adipate (DMA) in proportions of 2%, 6/%, and 12% on a coated engine. In this study, cylinder, piston, exhaust and inlet valves which are combustion chamber components have been coated with a ceramic material. Cylinder, exhaust and inlet valves of the diesel engine used in the tests were coated with ekabor-2 commercial powder, which is a ceramic material, to a thickness of 50 µm, by using the boriding method. The piston of a diesel engine was coated in 300 µm thickness with bor-based powder by using plasma coating method. Due to thermal barrier coating, the diesel engine's hazardous emission values decreased. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diesel%20engine" title="diesel engine">diesel engine</a>, <a href="https://publications.waset.org/abstracts/search?q=dimethyl%20adipate%20%28DMA%29" title=" dimethyl adipate (DMA)"> dimethyl adipate (DMA)</a>, <a href="https://publications.waset.org/abstracts/search?q=exhaust%20emissions" title=" exhaust emissions"> exhaust emissions</a>, <a href="https://publications.waset.org/abstracts/search?q=coating" title=" coating"> coating</a> </p> <a href="https://publications.waset.org/abstracts/58746/the-effects-of-dimethyl-adipate-dma-on-coated-diesel-engine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58746.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">273</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">2237</span> Anticorrosive Properties of Poly(O-Phenylendiamine)/ZnO Nanocomposites Coated Stainless Steel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aisha%20Ganash">Aisha Ganash</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Poly(o-phenylendiamine) and poly(ophenylendiamine)/ZnO(PoPd/ZnO) nanocomposites coating were prepared on type-304 austenitic stainless steel (SS) using H2SO4 acid as electrolyte by potentiostatic methods. Fourier transforms infrared spectroscopy and scanning electron microscopy techniques were used to characterize the composition and structure of PoPd/ZnO nanocomposites. The corrosion protection of polymer coatings ability was studied by Eocp-time measurement, anodic and cathodic potentiodynamic polarization and Impedance techniques in 3.5% NaCl as a corrosive solution. It was found that ZnO nanoparticles improve the barrier and electrochemical anticorrosive properties of poly(o-phenylendiamine). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anticorrosion" title="anticorrosion">anticorrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=conducting%20polymers" title=" conducting polymers"> conducting polymers</a>, <a href="https://publications.waset.org/abstracts/search?q=electrochemistry" title=" electrochemistry"> electrochemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocomposites" title=" nanocomposites"> nanocomposites</a> </p> <a href="https://publications.waset.org/abstracts/46496/anticorrosive-properties-of-polyo-phenylendiaminezno-nanocomposites-coated-stainless-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46496.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">292</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">2236</span> Microbiological Assessment of Fish Sausages Coated with Smoked-Edible Film, and Stored in Room and Refrigerator Temperatures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Henny%20A.%20Dien">Henny A. Dien</a>, <a href="https://publications.waset.org/abstracts/search?q=Roike%20I.%20Montolalu"> Roike I. Montolalu</a>, <a href="https://publications.waset.org/abstracts/search?q=Feny%20Mentang"> Feny Mentang</a>, <a href="https://publications.waset.org/abstracts/search?q=Jupni%20Keno"> Jupni Keno</a>, <a href="https://publications.waset.org/abstracts/search?q=Reynerd%20S.%20Burdam"> Reynerd S. Burdam</a>, <a href="https://publications.waset.org/abstracts/search?q=Siegfried%20Berhimpon"> Siegfried Berhimpon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fish Sausages became popular nowadays, because of high nutritious and low in cholesterol. However, this food is also highly perishable and often contaminated by pathogen bacteria. Edible film was made from myofibril of Black Marlin (Makaira indica) waste, with addition of liquid smoke 0.8%. The aim of this study were to determine the TPC, total coliform and Escherichia coli in fish sausages coated with smoked edible film, and stored in room temperature (26-29oC), and refrigerator (5-10oC). Results shown that TPC in fish sausages coated with smoked edible film were lower than that of without coated, both for storage in room temperature and in refrigerator. Total coliform in coated with smoked edible film and stored in room temperature ranged between 7-120 MPN/g (1-4 days), while stored in refrigerator ranged between 7-93 MPN/g (1-6 days); while fish sausages coated with edible film without liquid smoke were 7-240 MPN/g (1-4 days) in room temperature, and 7-150 MPN/g in refrigerator. Total E. coli of fish sausages coated with smoked edible film and stored in room temperature ranged between 3-4 MPN/g (1-4 days), while stored in refrigerator ranged were 3 MPN/g (1-6 days); while fish sausages coated with edible film without smoked both stored in room temperature and in refrigerator, shown total E. coli 3 MPN/g during 4 days in room temperature, and 6 days in refrigerator. Total E. coli of sausages without coated stored in room temperature ranged between 7-24 MPN/g, and that of stored in refrigerator ranged between 3-4 MPN/g. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=smoke%20liquid" title="smoke liquid">smoke liquid</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=coating" title=" coating"> coating</a>, <a href="https://publications.waset.org/abstracts/search?q=sausages" title=" sausages"> sausages</a> </p> <a href="https://publications.waset.org/abstracts/33011/microbiological-assessment-of-fish-sausages-coated-with-smoked-edible-film-and-stored-in-room-and-refrigerator-temperatures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33011.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">449</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">2235</span> Characterization of Nanostructured and Conventional TiAlN and AlCrN Coated ASTM-SA213-T-11 Boiler Steel </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vikas%20Chawla">Vikas Chawla</a>, <a href="https://publications.waset.org/abstracts/search?q=Buta%20Singh%20Sidhu"> Buta Singh Sidhu</a>, <a href="https://publications.waset.org/abstracts/search?q=Amita%20Rani"> Amita Rani</a>, <a href="https://publications.waset.org/abstracts/search?q=Amit%20Handa"> Amit Handa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main objective of the present work is microstructural and mechanical characterization of the conventional and nanostructured TiAlN and AlCrN coatings deposited on T-11 boiler steel. In case of conventional coatings, Al-Cr and Ti-Al metallic powders were deposited using plasma spray process followed by gas nitriding of the surface which was done in the lab with optimized parameters after conducting several trials on plasma-sprayed coated specimens. The physical vapor deposition process (PAPVD) was employed for depositing nanostructured TiAlN and AlCrN coatings. The field emission scanning electron microscopy (FE-SEM) with energy dispersive X-ray analysis (EDAX) attachment, X-ray diffraction (XRD) analysis, atomic force microscopy (AFM) analysis and the X-Ray mapping analysis techniques have been used to study surface and cross-sectional morphology of the coatings. The surface roughness and micro-hardness were also measured. A good adhesion of the conventional thick TiAlN and AlCrN coatings was found. The coatings under study are recommended for the applications to super-heater and re-heater tubes of the boilers based upon the outcomes of the research work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanostructure" title="nanostructure">nanostructure</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20vapour%20deposition" title=" physical vapour deposition"> physical vapour deposition</a>, <a href="https://publications.waset.org/abstracts/search?q=oxides" title=" oxides"> oxides</a>, <a href="https://publications.waset.org/abstracts/search?q=thin%20films" title=" thin films"> thin films</a>, <a href="https://publications.waset.org/abstracts/search?q=electron%20microscopy" title=" electron microscopy"> electron microscopy</a> </p> <a href="https://publications.waset.org/abstracts/112764/characterization-of-nanostructured-and-conventional-tialn-and-alcrn-coated-astm-sa213-t-11-boiler-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112764.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">140</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=coated%20Steel&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=coated%20Steel&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=coated%20Steel&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=coated%20Steel&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=coated%20Steel&page=6">6</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=coated%20Steel&page=7">7</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=coated%20Steel&page=8">8</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=coated%20Steel&page=9">9</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=coated%20Steel&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=coated%20Steel&page=75">75</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=coated%20Steel&page=76">76</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=coated%20Steel&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 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