Stress induced martensitic transformation and shape memory effect in Zr-Nb-Sn alloys

被引：21
|
作者：
Okabe, Fumiya [1 ]
Kim, Hee Young [1 ,2 ]
Miyazaki, Shuichi [2 ,3 ]
机构：
[1] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058573, Japan
[2] Univ Tsukuba, Dept Mat Sci, Fac Pure & Appl Sci, Tsukuba, Ibaraki 3058573, Japan
[3] Fdn Adv Int Sci, Tsukuba, Ibaraki 3050821, Japan
来源：
SCRIPTA MATERIALIA | 2019年 / 162卷
关键词：
Biomedical shape memory alloys; Zr alloys; Martensitic transformation; Superelasticity; Share memory effect; MECHANICAL-PROPERTIES; YOUNGS MODULUS; NEUROSURGICAL BIOMATERIALS; QUANTITATIVE-ANALYSIS; BEHAVIOR; SUPERELASTICITY; MICROSTRUCTURE; TITANIUM; STRAIN;
D O I：
10.1016/j.scriptamat.2018.12.005
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In order to develop biomedical shape memory alloys with high biocompatibility and magnetic resonance imaging compatibility, novel Zr-based alloys were designed and investigated to clarify their microstructure and mechanical properties. This study, for the first time, reports that Zr-Nb-Sn alloys exhibit shape memory effect and superelasticity by adjustment of Nb and Sn contents. The stress induced martensitic transformation from a beta phase to an alpha '' phase was confirmed to occur in Zr-Nb-Sn alloys. The basic crystallographic characteristics of stress-induced martensitic transformation, such as crystal structure of martensite phase and orientation relationships between the two phases, in Zr-Nb-Sn alloys were examined. (C) 2018 Acta Materialia Inc Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：412 / 415
页数：4
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