Effect of electrolytic hydrogen pre-charging on the cavitation erosion resistance of NiTi: a preliminary study

被引：15
作者：
Cheng, FT [1 ]
Shi, P
Man, HC
机构：
[1] Hong Kong Polytech Univ, Dept Appl Phys, Kowloon, Hong Kong, Peoples R China
[2] Liaoning Inst Technol, Dept Chem & Mat Engn, Liaoning 121001, Peoples R China
[3] Hong Kong Polytech Univ, Dept Mfg Engn, Kowloon, Hong Kong, Peoples R China
来源：
SCRIPTA MATERIALIA | 2002年 / 47卷 / 02期
关键词：
cavitation erosion; hydrogen charging; hydride; NiTi;
D O I：
10.1016/S1359-6462(02)00099-4
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Specimens of a Ni-rich NiTi alloy was electrolytically pre-charged with hydrogen over a wide range of current densities (0.0001-0.1 A/cm(2)). The cavitation erosion resistance of all the hydrogen-charged specimens were significantly reduced. The decrease in resistance was attributed to the formation of hydride at the grain boundaries. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：89 / 94
页数：6
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