Effect of grain size on aging microstructure as reflected in the transformation behavior of a low-temperature aged Ti-50.8 at.% Ni alloy

被引：55
|
作者：
Wang, Xiebin [1 ]
Li, Chen [1 ]
Verlinden, Bert [1 ]
Van Humbeeck, Jan [1 ]
机构：
[1] Katholieke Univ Leuven, Dept MTM, B-3001 Louvain, Belgium
来源：
SCRIPTA MATERIALIA | 2013年 / 69卷 / 07期
关键词：
Shape memory alloys; NiTi; R-phase; Aging; Grain size; SHAPE-MEMORY ALLOYS; R-PHASE TRANSFORMATION; TI-50.9AT.PERCENT-NI; TECHNOLOGY; CRYSTALS; ORIGIN; WIRE;
D O I：
10.1016/j.scriptamat.2013.06.023
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A cold-drawn Ti-50.8 at.% Ni wire was annealed at 700 degrees C for different times, leading to increasing grain size as a function of the annealing time. Theses samples were further aged at 250 degrees C for 24 h. After aging treatment, samples with different grain sizes showed different transformation behavior. This study explains the influence of grain size on the aging microstructure of the aged Ti-50.8 at.% Ni alloy and the subsequent transformation behavior. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：545 / 548
页数：4
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