Applied Mechanics and Materials Vol. 911

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underline-begin"> <h1 class="page-name-block-text">Applied Mechanics and Materials Vol. 911</h1> </div> <div class="clearfix title-details"> <div class="papers-block-info col-lg-12"> <div class="row"> <div class="info-row-name normal-text-gray col-md-2 col-sm-3 col-xs-4"> <div class="row"> <p>DOI:</p> </div> </div> <div class="info-row-content semibold-middle-text col-md-10 col-sm-9 col-xs-8"> <div class="row"> <p><a href="https://doi.org/10.4028/v-43kl66">https://doi.org/10.4028/v-43kl66</a></p> </div> </div> </div> </div> <div id="titleMarcXmlLink" style="display: none" class="papers-block-info col-lg-12"> <div class="row"> <div class="info-row-name normal-text-gray col-md-2 col-sm-3 col-xs-4"> <div class="row"> <p>Export:</p> </div> </div> <div class="info-row-content semibold-middle-text col-md-10 col-sm-9 col-xs-8"> <div class="row"> <p><a href="/AMM.911/marc.xml">MARCXML</a></p> </div> </div> </div> </div> <div class="papers-block-info col-lg-12"> <div class="row"> <div class="info-row-name normal-text-gray col-md-2 col-sm-3 col-xs-4"> <div class="row"> <p>ToC:</p> </div> </div> <div class="info-row-content semibold-middle-text col-md-10 col-sm-9 col-xs-8"> <div class="row"> <p><a href="/AMM.911_toc.pdf">Table of Contents</a></p> </div> </div> </div> </div> </div> <div class="volume-tabs"> </div> <div class=""> <div class="volume-papers-page"> <div class="block-search-pagination clearfix"> <div class="block-search-volume"> <input id="paper-search" type="search" placeholder="Search" maxlength="65"> </div> <div class="pagination-container"><ul class="pagination"><li class="active"><span>1</span></li><li><a href="/AMM.911/2">2</a></li><li class="PagedList-skipToNext"><a href="/AMM.911/2" rel="next">></a></li></ul></div> </div> <div class="block-volume-title normal-text-gray"> <p> Paper Title <span>Page</span> </p> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.911.-3">Preface</a> </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.911.3">Microwave Irradiated, Sodium Aluminate Supported and Zinc Catalyzed Suzuki-Miyaura Cross-Coupling Reaction on Fused Tricyclic Oxa-Aza-Quinolone: A Green Protocol</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Pritam Saha </div> </div> <div id="abstractTextBlock588494" class="volume-info volume-info-text volume-info-description"> Abstract: Alternative synthesis methods are need of the hour to provide easy protocol for synthesizing biologically active heterocyclic compounds. In this connection, this paper describes the development of a concise, convergent protocol for diversely substituted Suzuki鈥揗iyaura cross-coupling reactions of heteroaryl bromides and boronic acids under microwave irradiation using Sodium aluminate (NaAlO<sub>2</sub>) as a solid support as well as base. According to my knowledge, this is the first report of the strategy that involves the use of zinc as a catalyst on fused tricyclic di-halo quinolones in a solvent-free condition using simple microwave irradiation. Earlier research from the same laboratory established a solid support assisted Suzuki鈥揗iyaura cross-coupling reaction for forming C鈥揅 bonds under the influence of microwave irradiation. Therefore, sodium aluminate (NaAlO<sub>2</sub>) was attempted as a base and solid support instead of traditional mineral bases. Moreover, zinc was used as a catalyst replacing palladium. The new method is unique and effective due to its energy economy, procedural simplicity, and general applicability. Moreover, the use of Sodium aluminate (NaAlO<sub>2</sub>) is expected to extend this green-protocol and atom-friendly chemistry for the synthesis of varied heterocyclic compounds of interest. </div> <div> <a data-readmore="{ block: '#abstractTextBlock588494', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 3 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.911.11">Characteristic of Bolt and Nut Pressure Switch of Cessna Caravan Type 208B</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Indreswari Suroso, Dhimas Wicaksono </div> </div> <div id="abstractTextBlock592241" class="volume-info volume-info-text volume-info-description"> Abstract: Aircraft components have different functions and characteristics, for example, the bolt and nut pressure switch of Cessna Grand Caravan 208B, which functions to determine the pressure of oil and fuel flowing. At the end of the bolt and nut, there is a small hole to press the sensor in the component, then the result of the pressure will be converted to the system and sent to the indicator located in the cockpit, so the pilot sees the actual in the cockpit. The purpose in this research was to determine the characteristics of the bolt and nut pressure switch. This study used chemical composition, Vickers hardness, and metallographic testing methods. The test results of the chemical composition of bolt and nut on the pressure switch of Cessna Grand Caravan 208B, show that the elements, iron (Fe) = 67.58% and chromium (Cr) = 17.04%, are the dominant elements, therefore it is included as an alloying element of Fe-Cr. The test an average hardness value of 254.64 VHN. These values were obtained from the total percentage of iron 67.58% and chromium 17.04%. Chromium (Cr) is an element that can increase the hardness of carbon steel and increase corrosion resistance. Therefore, the hardness of the bolt and nut pressure switch of Cessna Grand Caravan 208B is high due to the addition of Cr which help the main element, Fe, properties. The novelty of this study is the dominant presence of chromium, so the properties of this material are hard, heat resistant, and corrosion resistant </div> <div> <a data-readmore="{ block: '#abstractTextBlock592241', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 11 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.911.19">Numerical Investigation of the Effects of Opening on the Strength of Masonry Wall</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Joel Joseph Shelton, Nisar Basha, A. Arun Solomon, C. Daniel </div> </div> <div id="abstractTextBlock587297" class="volume-info volume-info-text volume-info-description"> Abstract: Masonry is used as a construction material since old age. It is a cheaper construction material compared to R.C.C. and also requires comparatively less construction skills. During an earthquake, the masonry wall constructed following the codal provisions shows preliminary behaviour in the in-plane direction of wall and it has lesser deformation in the out-of-plane direction of the wall. Although, the strength and stiffness of the Un-Reinforced Masonry (URM) walls were reduce due to sizes and positions of openings, the relationship between the seismic capacity of the walls and the position and size of opening in walls are not clear. Researchers in the past mostly explored the in-plane behaviour of solid masonry wall without opening. Considering the openings in these walls can significantly affect the strength of the masonry wall. Hence, in the present study, an attempt is made to understand the effect of varying opening sizes (4 different combinations of door and/or window openings) in unreinforced masonry wall using finite element software CATIA. From this software, URM walls were modeled and load based quasi-static analysis were done in in-plane direction. The collapse mechanisms of the masonry walls and crack patterns are studied from the analysis and a key output from this work is the characterization of the relationships between the sizes and positions of openings and the in-plane performance of masonry walls. </div> <div> <a data-readmore="{ block: '#abstractTextBlock587297', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 19 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.911.29">Characterization of Fiber Bragg Grating (FBG) for Weight Measurement System</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Nur Hidayah Fatimah, Dwi Hanto, Kacuk Cikal Nugroho, Muhammad Muhammad, Zuhdi Ismail, Rahmat Rahmat, Ainur Rosyida </div> </div> <div id="abstractTextBlock591785" class="volume-info volume-info-text volume-info-description"> Abstract: Currently, FBG sensor has been developed in many applications due to its wavelength is sensitive to pressure change. This study aims to analyze the FBG wavelength shifting due to an applied load. In this research, the FBG was placed transversely right in the middle of the specimen that was made by using silicon rubber with thicknesses of 7 mm and 14 mm. The FBG wavelength in the two specimens was investigated by an interrogator when the load is put on to the specimens in three variations: without load, 5 kg, and 10 kg. The result show that the shift of FBG wavelength in specimen with the same thickness is proportional to load increasing. Furthermore, the test specimen with a thickness of 7 mm is more sensitive than 14 mm. Accordingly, the specimen with a thickness of 7 mm is a good option to be used as a weight measurement system. </div> <div> <a data-readmore="{ block: '#abstractTextBlock591785', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 29 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.911.37">Foundry Data Collection and Part Tracking Using Additively Manufactured Digital Code Direct-Part-Marking Tags</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Tekin Ç. Uyan, Kevin Otto, Lauri Arasola, Kalle Jalava </div> </div> <div id="abstractTextBlock592488" class="volume-info volume-info-text volume-info-description"> Abstract: The Smart Foundry concept promises benefits of improved foundry supply chain quality, more sustainable metal processing, and improved customer support. A significant need includes automated data gathering and visualization of the data. In metal foundries regardless of manufacturing small parts in mass production or big parts in small production, metal castings are difficult to trace individually. Furthermore, to identify causes of defects through statistical correlation of recorded process inputs to inspected part defects becomes challenging. In this paper we present a sand-casting Smart Foundry operation including automated scan-based tracking of cast parts through the foundry and supply chain. This allowed process data collected to be automatically associated with the part being processed. This study proved that additively manufactured tags can be utilized in foundry serial production operations for direct-part-marking of castings and both digital tracking and process data collection of individual cast parts. Further we made use of the captured part-by-part data to develop a root cause analysis for quality defect causal correlation. The results indicated that the casting feature dimensional quality was highly correlated with variations in sand bending strength, tin content in aluminum, and pouring time, among others. Such insights are available when tracking process and part data as part of a Smart Foundry. </div> <div> <a data-readmore="{ block: '#abstractTextBlock592488', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 37 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.911.43">Manufacturing a Model for Moving the Electrode of TIG Welding for the Rib Piper Connection</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Tran Minh The Uyen, Nguyen Van Hong Hai, Ngo Minh Tai, Ngo Minh Tai, Ngo Minh Hoang, Nguyen Pham Toan Khoa, Pham Quoc Anh </div> </div> <div id="abstractTextBlock590510" class="volume-info volume-info-text volume-info-description"> Abstract: This paper provides a complete overview of the entire process of designing a welding head moving device and its implementation as a semi-automatic welding machine. The mechanical structure of the device is designed based on the size of the material pipe and the accompanying technical requirements. The system is equipped with an arc generator set and a rotary speed control unit allowing its use as an orbital welder. </div> <div> <a data-readmore="{ block: '#abstractTextBlock590510', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 43 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.911.51">Modified Copper for Reducing CO and HC Vehicle Exhaust Gas Emissions</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Arif Setyo Nugroho, Suhartoyo Suhartoyo, Y. Yulianto Kristiawan, Karminto Karminto </div> </div> <div id="abstractTextBlock592584" class="volume-info volume-info-text volume-info-description"> Abstract: This study aims to determine the effect of installing modified copper C-SiO<sub>2</sub>-ZSM5 in the exhaust, installing modified copper in the exhaust to reduce CO and HC. The two methods used to reduce CO and HC exhaust emissions are as follows: the first method is by mixing fossil fuels with ethanol. The fuel used is a mixture of gasoline + ethanol with variations of gasoline, E10, and E20. The second method is to provide a CO and HC reformer catalyst made of modified copper with the addition of SiO<sub>2</sub> and MZM5 as much as 10% and 20%, respectively. The test uses a four-stroke two-wheel motor in a neutral gear position. Exhaust emission data retrieval is at 1500, 3000, 5000, 7000, 9000 rpm. With gasoline fuel mixed with ethanol with E 10 and E 20. There is a decrease in CO at each engine speed in each fuel variation, because the more ethanol content, the greater the supply of O<sub>2</sub> in combustion because ethanol has oxygen bonds that can increase combustion. The emission of CO and HC gas on gasoline-fueled motors are greater than those of E 10 and E 20 motors. The use of a copper converter catalyst SiO<sub>2</sub>-C-ZSM5 is very significant and can reduce CO levels for gasoline fuel from the highest value of 4,7% to 2.82%, gasohol fuel E 10 with the highest value of CO 3.02% decreased to 1.2% and gasohol fuel E 20 the highest value of CO 2.78% decreased to 0.17%. Changes were seen visually on the surface of the copper used for the CO and HC reduction test, the surface copper became darker in color, especially when testing using gasoline. When using a mixture of ethanol and gasoline, copper is purplish brown color. </div> <div> <a data-readmore="{ block: '#abstractTextBlock592584', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 51 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.911.57">Study of Effect of Weight Variation on Shape and Material Allocation on Heterogeneous NURBS Surface and Hyperpatch</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Sanin Shaikh, Pranita Narvekar, Uday Pise </div> </div> <div id="abstractTextBlock587705" class="volume-info volume-info-text volume-info-description"> Abstract: The surfaces and hyperpatch models constructed by the NURBS-based approach provide an advantage of shape modification and have varying mesh-structure. No observations based on material distribution on the surface and hyperpatch models were done until now. The heterogeneous models of the NURBS surface and NURBS solid hyperpatch models were based on the Unevaluated models as per the Control-Point-Based modelling approach was followed. The material allocated gets interpolated over the surface and hyperpatch models. The material distribution does vary, and the effect of weight variation on material allocation does become significant for them. </div> <div> <a data-readmore="{ block: '#abstractTextBlock587705', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 57 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.911.69">CFD Modeling of Waste Heat Recovery System to Dry Sand Mold at G-7 Trading and Industry PLC, Ethiopia</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Natnael Mesfin, Irfan Ali, Prathibha Ekanthaiah, Neeraj Kumar Gupta, Satyanarayana Kumbha, Ankit Kumar Srivastava, Swasti Saxena </div> </div> <div id="abstractTextBlock589809" class="volume-info volume-info-text volume-info-description"> Abstract: As the energy crisis's impact spreads, energy consumption has emerged as the fundamental impediment to industry's long-term viability. Utilizing and recovering various sources of waste heat can considerably reduce an organization's energy use. Energy conservation is crucial not just for fuel use, but also for the conservation and protection of the global ecosystem. As a result, it is necessary to make a concerted effort to save energy generated by waste heat. This paper aims to develop flue gas as a substitute for wood burning for drying mold at foundry shop of G-7 trading and industrial PLC. Flue gas temperature and velocity were measured at various locations throughout this study, and an analytical computation was done on the flue gas supply system and mold drying chamber. To show what happens within the hot flue gas supply duct and mould drying chamber, Computational Fluid Dynamics (CFD) Ansys software was used. The business benefits by eliminating the usage of wood as a fuel and making the process more cost-effective and environmentally friendly by capturing hot flue gas from the top section of the furnace or chimney and supplying it through duct to the drying chamber to dry the mold. As a result, the negative impact of deforestation will be mitigated, and a favorable working environment will be established. </div> <div> <a data-readmore="{ block: '#abstractTextBlock589809', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 69 </div> </div> <div class="block-bottom-pagination"> <div class="pager-info"> <p>Showing 1 to 10 of 13 Paper Titles</p> </div> <div class="pagination-container"><ul class="pagination"><li class="active"><span>1</span></li><li><a href="/AMM.911/2">2</a></li><li class="PagedList-skipToNext"><a href="/AMM.911/2" rel="next">></a></li></ul></div> </div> </div> </div> </div> </div> </div> </div> <div class="social-icon-popup"> <a href="https://www.facebook.com/Scientific.Net.Ltd/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon facebook-popup-icon social-icon"></i></a> <a href="https://twitter.com/Scientific_Net/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon twitter-popup-icon social-icon"></i></a> <a href="https://www.linkedin.com/company/scientificnet/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon linkedin-popup-icon social-icon"></i></a> </div> </div> <div class="sc-footer"> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="footer-menu col-md-12 col-sm-12 col-xs-12"> <ul class="list-inline menu-font"> <li><a href="/ForLibraries">For Libraries</a></li> <li><a href="/ForPublication/Paper">For Publication</a></li> <li><a href="/insights" target="_blank">Insights</a></li> <li><a href="/DocuCenter">Downloads</a></li> <li><a href="/Home/AboutUs">About Us</a></li> <li><a href="/PolicyAndEthics/PublishingPolicies">Policy & Ethics</a></li> <li><a href="/Home/Contacts">Contact Us</a></li> <li><a href="/Home/Imprint">Imprint</a></li> <li><a href="/Home/PrivacyPolicy">Privacy Policy</a></li> <li><a href="/Home/Sitemap">Sitemap</a></li> <li><a href="/Conferences">All Conferences</a></li> <li><a href="/special-issues">All Special Issues</a></li> <li><a href="/news/all">All News</a></li> <li><a href="/read-and-publish-agreements">Read & Publish Agreements</a></li> </ul> </div> </div> </div> </div> <div class="line-footer"></div> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="col-xs-12"> <a href="https://www.facebook.com/Scientific.Net.Ltd/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon facebook-footer-icon social-icon"></i></a> <a href="https://twitter.com/Scientific_Net/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon twitter-footer-icon social-icon"></i></a> <a href="https://www.linkedin.com/company/scientificnet/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon linkedin-footer-icon social-icon"></i></a> </div> </div> </div> </div> <div class="line-footer"></div> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="col-xs-12 footer-copyright"> <p> © 2024 Trans Tech Publications Ltd. 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