IOP Conference Series: Materials Science and Engineering最新文献_第8页

Preface to the Proceedings of the 5th European Academic Symposium on EAF Steelmaking 第五届欧洲电炉炼钢学术研讨会论文集序言

IOP Conference Series: Materials Science and Engineering Pub Date : 2024-05-01 DOI: 10.1088/1757-899x/1309/1/011001

V-V Visuri, T. Echterhof

{"title":"Preface to the Proceedings of the 5th European Academic Symposium on EAF Steelmaking","authors":"V-V Visuri, T. Echterhof","doi":"10.1088/1757-899x/1309/1/011001","DOIUrl":"https://doi.org/10.1088/1757-899x/1309/1/011001","url":null,"abstract":"\u0000 The European Academic Symposium on EAF Steelmaking (EASES) is a series of events targeted at researchers and doctoral candidates working with different aspects of electric arc furnace (EAF) steelmaking. Previously, four events were organised in 2015, 2016, 2018, and 2021 in Aachen, Germany. The 5th European Academic Symposium on EAF Steelmaking (EASES 2023) was organised jointly by the RWTH Aachen University (Department for Industrial Furnaces and Heat Engineering) and University of Oulu (Process Metallurgy Research Unit) and held at the University of Oulu in Oulu, Finland on 5-7 June 2023. A total of 29 presentations were held at the event, out of which 13 featured an accompanying full paper. After the symposium, the authors of the full papers were invited to submit their manuscripts to be included in the proceedings. The proceedings consist of a total of 12 peer-reviewed papers published in the IOP Conference Series: Materials Science and Engineering. Based on the presentations, the development of modelling and monitoring tools for process optimization, the use of biochar to replace fossil carbon for slag foaming, and the use of hydrogen as an alternative burner fuel were identified as current hot topics. In the future, the importance of the EAF process is expected to increase further due to the increasing availability of scrap and plans for ore-based production routes based on hydrogen direct reduction.","PeriodicalId":14483,"journal":{"name":"IOP Conference Series: Materials Science and Engineering","volume":"20 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141141032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

3D Modelling of Electro Vortex Flow Inside Liquid Metal and Effect of External Magnetic Fields 液态金属内部电涡流的三维建模及外部磁场的影响

IOP Conference Series: Materials Science and Engineering Pub Date : 2024-05-01 DOI: 10.1088/1757-899x/1309/1/012004

M. Al Nasser, E. Karimi-Sibaki, M. Wu, C. Redl, A. Ishmurzin, N. Voller, G. Hackl, A. Kharicha

引用次数: 1

Multimethodology based on Design-to-Value (DtV), integrated with simulation techniques and prioritization of teamwork for the optimization of a pneumatic rack & pinion actuator 基于 "从设计到价值"（DtV）的多种方法，结合模拟技术和团队合作的优先顺序，优化气动齿轮齿条传动器

IOP Conference Series: Materials Science and Engineering Pub Date : 2024-05-01 DOI: 10.1088/1757-899x/1306/1/012013

G Maiocchi, L Vigliano, G Nicoletto

{"title":"Multimethodology based on Design-to-Value (DtV), integrated with simulation techniques and prioritization of teamwork for the optimization of a pneumatic rack & pinion actuator","authors":"G Maiocchi, L Vigliano, G Nicoletto","doi":"10.1088/1757-899x/1306/1/012013","DOIUrl":"https://doi.org/10.1088/1757-899x/1306/1/012013","url":null,"abstract":"The investigations here presented focus on the redesign and innovation of a pneumatic rack and pinion actuator for valve actuation, as a case study for investigating the potential of a multimethodology based on the Design to Value (DtoV) process, coupled with design techniques utilizing FEA simulations and giving high priority to teamwork. The final objective of this case study is to show how it is possible to optimize the design, increasing weight efficiency while maintaining performance, and to simplify it, with a reduction of components construction complexity, according to the growing demand for a lean production. The principle that guided all the activities was valorizing the power of teamwork, focusing the team on Safety and Reliability. In an initial phase, all the instruments foreseen by “Design-to-Value” process have been applied, obtaining a classification of the contents of the product constituting its sources of value. Subsequent outputs are proposals for efficient construction solutions, driving a second phase, dedicated to the re-design of the actuator. The peculiarity of this project has been to combine the “Design by Formulas” techniques with advanced FEA simulations (“Design by Analysis”), aiming to stress, deformation, and topology optimization. A two-step experimental validation is used, based on a preliminary “mockup” prototype followed by a complete detailed prototype, for confirming the results of the calculations and simulations, by directly performing a series of in-depth tests. Preliminary obtained results show that the approach based on the described multimethodology, makes it possible to optimize the design of the actuator, maintaining safety, reliability, and performance. In the case studied, the weight reduction is expected to be 8% and economic efficiency increase is expected to be near 20%.","PeriodicalId":14483,"journal":{"name":"IOP Conference Series: Materials Science and Engineering","volume":"41 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141193926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Homogenized Stiffness Matrix of Two-Node Elements through Experimental Flexibility tests 通过挠性实验测试均质化双节点构件的刚度矩阵

IOP Conference Series: Materials Science and Engineering Pub Date : 2024-05-01 DOI: 10.1088/1757-899x/1306/1/012039

C Iandiorio, F Cafolla, E Marotta, P Salvini

引用次数: 0

Optimization and validation of a finite element methodology for thermo-structural analysis of polyhuretane wheels for roller coaster application 用于过山车聚氨酯车轮热结构分析的有限元方法的优化和验证

IOP Conference Series: Materials Science and Engineering Pub Date : 2024-05-01 DOI: 10.1088/1757-899x/1306/1/012015

Massimiliano Palmieri, Alberto Ferri, Filippo Cianetti, Claudio Braccesi

{"title":"Optimization and validation of a finite element methodology for thermo-structural analysis of polyhuretane wheels for roller coaster application","authors":"Massimiliano Palmieri, Alberto Ferri, Filippo Cianetti, Claudio Braccesi","doi":"10.1088/1757-899x/1306/1/012015","DOIUrl":"https://doi.org/10.1088/1757-899x/1306/1/012015","url":null,"abstract":"Polymeric materials are widely used in several engineering sectors. Among these, a particularly critical sector for this type of material is that of roller coasters. The wheels are indeed made with an aluminum hub and a compact polyurethane coating, which, being in contact with the track, is subject to high speeds dynamic loads. Due to the viscoelastic behavior typical of these materials, such loads induce overheating of the coating and therefore a rapid degradation of the wheel. This results in machine downtime and, consequently, significant waste of time and money. In this context, the authors have developed a methodology for finite element thermo-structural analysis capable of quickly evaluating the temperature reached during work cycles and proving very useful in selecting the type of wheels to use. In this work, this methodology was firstly computationally developed and then validated by comparing the analysis results with data obtained from experimental tests conducted by the manifacturer. The comparison demonstrated the effectiveness of the proposed method, highlighting, however, a constant error in terms of maximum temperature reached attributable to a non-exact material characterization.","PeriodicalId":14483,"journal":{"name":"IOP Conference Series: Materials Science and Engineering","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141194040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Biochar as a slag foaming agent in EAF – A novel experimental setup 生物炭作为电炉炉渣发泡剂--一种新型实验装置

IOP Conference Series: Materials Science and Engineering Pub Date : 2024-05-01 DOI: 10.1088/1757-899x/1309/1/012010

E. Hoikkaniemi, P. Sulasalmi, V-V Visuri, T. Fabritius

引用次数: 1

Reinforcement of thin hot-stamped components by fiber reinforced plastic structures with optimized fatigue strength properties 用具有优化疲劳强度特性的纤维增强塑料结构加固薄型热冲压部件

IOP Conference Series: Materials Science and Engineering Pub Date : 2024-05-01 DOI: 10.1088/1757-899x/1307/1/012047

B-A Behrens, S. Hübner, P. Müller, T. Fünfkirchler, J. Wehmeyer, K. Dilger, S. Hartwig, C. Gundlach

{"title":"Reinforcement of thin hot-stamped components by fiber reinforced plastic structures with optimized fatigue strength properties","authors":"B-A Behrens, S. Hübner, P. Müller, T. Fünfkirchler, J. Wehmeyer, K. Dilger, S. Hartwig, C. Gundlach","doi":"10.1088/1757-899x/1307/1/012047","DOIUrl":"https://doi.org/10.1088/1757-899x/1307/1/012047","url":null,"abstract":"Multi-material structures in the automotive industry hold great potential for lightweight design, body construction, and functionalization due to their favorable mechanical properties and reduced structural weight. The combination of metal and plastic, in particular, is commonly used to enhance the overall properties of the end product when compared to single-material structures.This paper describes a process development with a hot-stamping and an extrusion tool. By means of this tool, a thermally assisted extrusion process can be used to join GMT (Glass Mat reinforced Thermoplastics) and 22MnB5 steel in a single process step. Through adhesion, the GMT adheres to the rough surface of the AlSi(aluminum-silicon)-coated 22MnB5. Test components were manufactured and through static tests the influence of process parameters was evaluated. Assuming that the parameters determined for the reference component are already sufficient for a design in the vehicle, the reduction of the steel thickness of the structure from 1.5 mm to 1.2 mm can be recommended on the basis of the results obtained. This is accompanied by a reduction in the mass of the test structure used while maintaining or improving its dynamic and static properties. Further weight savings appear possible through further component and process optimization.","PeriodicalId":14483,"journal":{"name":"IOP Conference Series: Materials Science and Engineering","volume":"54 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141523430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Critical current stability of 2G REBCO tape for space-flight HTS leads 用于太空飞行 HTS 导线的 2G REBCO 磁带的临界电流稳定性

IOP Conference Series: Materials Science and Engineering Pub Date : 2024-05-01 DOI: 10.1088/1757-899x/1302/1/012016

Edgar R Canavan, Brian Comber

{"title":"Critical current stability of 2G REBCO tape for space-flight HTS leads","authors":"Edgar R Canavan, Brian Comber","doi":"10.1088/1757-899x/1302/1/012016","DOIUrl":"https://doi.org/10.1088/1757-899x/1302/1/012016","url":null,"abstract":"High reliability is an essential requirement for all spaceflight hardware. Like the Hitomi x-ray observatory, its follow-on mission XRISM uses 2G REBCO tapes as current leads for the superconducting magnets that are a key component of the Adiabatic Demagnetization Refrigerator (ADR) that cools the detector array. While the Hitomi Soft X-ray Spectrometer (SXS) worked flawlessly in orbit, during its development there were indications that the critical current of its specialized REBCO tapes could degrade over time when exposed to normal-humidity air. To demonstrate that the updates to the XRISM HTS lead assemblies had mitigated this risk, a series of tests were carried out to measure the stability of <italic toggle=\"yes\">Ic\u0000</italic> of dozens of samples over a period greater than the flight assemblies were exposed to air during integration and test. The test rig allowed not only the measurement of the sample <italic toggle=\"yes\">Ic\u0000</italic>, but also the localization of the voltage rise as the current approached <italic toggle=\"yes\">Ic\u0000</italic>. We will discuss the trends in the critical current of the samples, as well as localization of lower <italic toggle=\"yes\">Ic\u0000</italic> regions.","PeriodicalId":14483,"journal":{"name":"IOP Conference Series: Materials Science and Engineering","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141567291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tuned Windings: the window of opportunity for the implementation of solid conductors in high frequency cryogenic electric machines 调谐绕组：在高频低温电机中使用固体导体的机会之窗

IOP Conference Series: Materials Science and Engineering Pub Date : 2024-05-01 DOI: 10.1088/1757-899x/1302/1/012009

Olivia-Ramona Bruj, Milan Majoros, Michael Sumption, Codrin-Gruie (CG) Cantemir

引用次数: 0

From high-temperature superconductivity to room-temperature superconductivity: From ambient to high pressure; from very high pressure to ambient again!? 从高温超导到室温超导：从常温到高压；从超高压到常温！？

IOP Conference Series: Materials Science and Engineering Pub Date : 2024-05-01 DOI: 10.1088/1757-899x/1302/1/012010

L. Z. Deng, Z. Wu, T. Bontke, T. Habamahoro, D. Schulze, M. Gooch, T. W. Kuo, R. Fujikawa, C. W. Chu

引用次数: 0