Design and fabrication of a low modulus β-type Ti-Nb-Zr alloy by controlling martensitic transformation

查看全文 作　　者：Qing-Kun [1]Meng;Yu-Fei [1]Huo;Wen [2]Ma;Yan-Wei [1]Sui;Jin-Yong [1]Zhang;Shun [3]Guo;Xin-Qing [4]Zhao

机构地区：[1]School of Materials Science and Engineering,China University of Mining and Technology;[2]GRINM Bohan (Beijing) Publisher Co.,Ltd.,GRINM Group Co.,Ltd.;[3]School of Materials Science and Engineering,Jiangsu University;[4]School of Materials Science and Engineering,Beihang University

出　　处：《Rare Metals》索引2018年第37卷第9期,共6页

基　　金：financially supported by the National Natural Science Foundation of China (No.51601217);the Natural Science Foundation of Jiangsu Province (No.BK20160255);the Fundamental Research Funds for the Central Universities (No.2017QNA04) 摘　　要：In this paper, high density of dislocations, grain boundaries and nanometer-scale a precipitates were introduced to a metastable Ti-36Nb-5Zr alloy (wt%) through a thermo-mechanical approach including severe cold rolling and short-time annealing treatment. The martensitic transformation was retarded, and theβphase with low content ofβstabilizers was retained at room temperature after the thermo-mechanical treatment. As a result, both low modulus (57 GPa) and high strength (950 MPa) are obtained.The results indicate that it is a feasible strategy to control martensitic transformation start temperature through micros true ture optimization instead of composition design,with the aim of fabricating low modulusβ-type Ti alloy. 关键词：优化控制低模量类型设计合金制造房间温度退火处理

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Design and fabrication of a low modulus β-type Ti-Nb-Zr alloy by controlling martensitic transformation

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