Microstructure and Mechanical Properties of Biomedical Near-β Ti Alloy TLM with Nanostructure by ARB Process

被引：0
|
作者：
Yu Zhentao [1 ]
Ma Xiqun [1 ]
Wang Gui [2 ]
Yu Sen [1 ]
Sun Qiaoyan
Kent, Damon [1 ]
机构：
[1] Northwest Inst Nonferrous Met Res, Xian 710016, Shaanxi, Peoples R China
[2] Univ Queensland, Sch Engn, CAST Res Ctr, Brisbane, Qld 4072, Australia
来源：
TI-2011: PROCEEDINGS OF THE 12TH WORLD CONFERENCE ON TITANIUM, VOL III | 2012年
基金：
中国国家自然科学基金;
关键词：
Nanostructure; accumulative roll-bonding process (ARB); microstructure and mechanical properties; near beta type Ti alloys;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The composite foils with nanograins of novel near-beta type biomedical Ti alloy Ti-(1. 5 similar to 4. 5) Zr-(0. 5 similar to 5. 5)Sn-(1. 5 similar to 4. 4)Mo-(23. 5 similar to 26. 5)Nb (TLM in short) were prepared by near Accumulative Roll-Bonding process (ARB). The process, microstructure and mechanical properties of TLM alloy foils were studied and discussed. The results shows that the average grains dimension of TLM alloy foils (0. 2mm) can reach about 80nm after 97. 5% severe plastic deformation (SPD). The TLM alloy materials with nanostructure possess higher tensile strength, lower elastic modulus and higher elongation compared with coarse-grained materials after solid solution and aging strengthening heat treatment.
引用
收藏
页码：2054 / 2058
页数：5
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