Thermomechanical Behavior and Structure Formation of Shape Memory Ti - Zr - Nb Alloy for Medical Applications

被引：5
|
作者：
Sheremet'ev, V. A. [1 ]
Akhmadkulov, O. B. [1 ]
Komarov, V. S. [2 ]
Korotitskii, A., V [1 ]
Lukashevich, K. E. [1 ]
Galkin, S. P. [1 ]
Andreev, V. A. [2 ,3 ]
Prokoshkin, S. D. [1 ]
机构：
[1] Natl Res Technol Univ MISiS NITU MISiS, Moscow, Russia
[2] Russian Acad Sci, AA Baikov Inst Met & Mat Sci, Moscow, Russia
[3] MATEK SPF Ind Ctr, Moscow, Russia
来源：
METAL SCIENCE AND HEAT TREATMENT | 2021年 / 63卷 / 7-8期
基金：
俄罗斯科学基金会;
关键词：
shape memory Ti; Zr; Nb alloy; thermomechanical treatment; parameters of stress-strain diagram; dynamic recrystallization; grain structure; phase composition; hardness; HOT DEFORMATION-BEHAVIOR; STRAIN;
D O I：
10.1007/s11041-021-00703-8
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Special features of thermomechanical behavior and structure formation of shape memory alloy Ti - 19 at.% Zr - 14 at.% Nb for medical applications are studied under the conditions of upsetting at 600 - 1000 degrees C with strain rates 0.1, 1, and 10 sec(-1). The main parameters of the compressive stress-strain diagram are determined. Metallographic and x-ray diffraction analyses of the alloy are performed. The Vickers hardness of the specimens is measured. The alloy is shown to be well deformable under the conditions studied, and its sensitivity to the deformation rate is not high. Recommendations are developed for thermomechanical treatment of semiproducts from the Ti - Zr - Nb alloy.
引用
收藏
页码：403 / 413
页数：11
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