Effects of aging temperature on the martensitic transformation in porous Ni-rich NiTi shape memory alloy fabricated by combustion synthesis

被引：2
|
作者：
Chu, CL [1 ]
Chung, CY
Lin, PH
机构：
[1] Southeast Univ, Dept Mat Sci & Engn, Nanjing 210018, Peoples R China
[2] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2005年 / 40卷 / 18期
关键词：
D O I：
10.1007/s10853-005-3870-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of aging temperature on the martensitic transformation in porous Ni-rich NiTi shape memory alloy (SMA) fabricated by combustion synthesis were analyzed using differential scanning calorimeter. The raw materials were Ti and Ni powders with an average size of 45.2 and 33.8 μm respectively. The porous NiTi SMA was solution treated in the flowing argon environment at 1050 °C for 10 h and then quenched into water at room temperature. It was shown that when the aging temperature increases, the solubility limit of Ni in matrix is expected to increase and the Ni4Ti3 precipitates have to partially dissolve into NiTi matrix.
引用
收藏
页码：4959 / 4961
页数：3
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