{"title":"Comparison of Rolling and Transverse Direction Properties of Al/Ti Laminated Metal Composites Prepared by Cold Roll Bonding and Subsequent Annealing","authors":"Chu Chen, Meijun Hu, Weiwei Hong","doi":"10.1007/s12666-024-03435-4","DOIUrl":null,"url":null,"abstract":"<p>This study investigates the influence of annealing temperature and durations on the microstructural, tensile, and fracture toughness properties of Al/Ti laminated metal composite (LMC) in the rolling and transverse directions. Evaluation of the microstructure findings indicated the presence of elongated grains and shear bands in the Al and Ti layers, along with numerous twins in the Ti layer. Specifically, annealing at 550 °C and 600 °C for 6 h initiated recrystallization in the Ti layer. The fracture toughness of the specimens was affected by several factors, including tensile strength, grain size, cutting orientation, formation of intermetallic compounds (IMCs), and recrystallization. A comparison between rolling and transverse directions showed that the grain boundary length was higher in rolling directions, leading to improved resistance to crack propagation. The highest tensile strength (243 MPa) and fracture toughness (35 MPa m0.5) was achieved at 600 °C in the RD.</p>","PeriodicalId":23224,"journal":{"name":"Transactions of The Indian Institute of Metals","volume":"45 1","pages":""},"PeriodicalIF":1.6000,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Transactions of The Indian Institute of Metals","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1007/s12666-024-03435-4","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Materials Science","Score":null,"Total":0}
引用次数: 0
Abstract
This study investigates the influence of annealing temperature and durations on the microstructural, tensile, and fracture toughness properties of Al/Ti laminated metal composite (LMC) in the rolling and transverse directions. Evaluation of the microstructure findings indicated the presence of elongated grains and shear bands in the Al and Ti layers, along with numerous twins in the Ti layer. Specifically, annealing at 550 °C and 600 °C for 6 h initiated recrystallization in the Ti layer. The fracture toughness of the specimens was affected by several factors, including tensile strength, grain size, cutting orientation, formation of intermetallic compounds (IMCs), and recrystallization. A comparison between rolling and transverse directions showed that the grain boundary length was higher in rolling directions, leading to improved resistance to crack propagation. The highest tensile strength (243 MPa) and fracture toughness (35 MPa m0.5) was achieved at 600 °C in the RD.
期刊介绍：
Transactions of the Indian Institute of Metals publishes original research articles and reviews on ferrous and non-ferrous process metallurgy, structural and functional materials development, physical, chemical and mechanical metallurgy, welding science and technology, metal forming, particulate technologies, surface engineering, characterization of materials, thermodynamics and kinetics, materials modelling and other allied branches of Metallurgy and Materials Engineering.
Transactions of the Indian Institute of Metals also serves as a forum for rapid publication of recent advances in all the branches of Metallurgy and Materials Engineering. The technical content of the journal is scrutinized by the Editorial Board composed of experts from various disciplines of Metallurgy and Materials Engineering. Editorial Advisory Board provides valuable advice on technical matters related to the publication of Transactions.
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