Corrosion properties of laser surface melted NiTi shape memory alloy

被引：118
|
作者：
Man, HC [1 ]
Cui, ZD [1 ]
Yue, TM [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Mfg Engn, Kowloon, Hong Kong, Peoples R China
来源：
SCRIPTA MATERIALIA | 2001年 / 45卷 / 12期
关键词：
laser surface melting; nickel; titanium; shape memory; corrosion;
D O I：
10.1016/S1359-6462(01)01182-4
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A Nd-YAG laser was used to melt the surface of NiTi shape memory alloy in air and argon environment respectively. The laser surface melted (LSM) layer is free of porosity and crack. The corrosion resistance of the LSM specimen in 3%NaCl solution has been improved significantly and is attributed to the increased amount of TiO2 and Ti/Ni ratio on the surface. (C) 2001 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
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页码：1447 / 1453
页数：7
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