Preparation of Ti–Nb–Ta–Zr alloys for load-bearing biomedical applications

被引：7
|
作者：
Bo-Qiong Li [1 ]
Chun-Lin Li [1 ]
Zhen-Xia Wang [2 ]
Xing Lu [3 ]
机构：
[1] Department of Mechanical Engineering, Jinzhong University
[2] College of Material Science and Engineering, Taiyuan University of Technology
[3] Liaoning Key Materials Laboratory for Railway, School of Materials Science and Engineering, Dalian Jiaotong University
来源：
Rare Metals | 2019年 / 38卷 / 06期
关键词：
Titanium alloys; Microstructure; Compressive behavior; SBF;
D O I：
暂无
中图分类号：
TG146.23 []; R318.08 [生物材料学];
学科分类号：
0805 ; 080501 ; 080502 ;
摘要：
Ti–Nb–Ta–Zr alloys for biomedical applications were successfully fabricated by arc melting(AM) and diffusion bonding.The microstructure, mechanical properties and electrochemistry behavior in a simulated body fluid(SBF) were studied.It shows that melted Ti–Nb–Ta–Zr alloy mainly contains β phase although there are a few Ti-rich phases and micropores, the number of which is lower than that in sintered sample with a few Ti-rich and Ta-rich phases.The melted alloys present higher strength(1224 MPa), Young’s modulus(15.3 GPa) and corrosion potential(-0.34 V) in SBF, while total recovery strain ratio(67.5%) and pseudoelastic strain ratio(8.4%) of sintered Ti–Nb–Ta–Zr alloy keep higher value than 35.7%and 5.0% for melted Ti–Nb–Ta–Zr.The reasons were discussed based on the microstructure of the Ti–Nb–Ta–Zr alloys.
引用
收藏
页码：571 / 576
页数：6
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