Surface properties of nitrogen-ion-implanted TiNi shape memory alloy

被引：0
|
作者：
Teruo Asaoka [1 ]
机构：
[1] Department of Intelligent and Mechanical Engineering Tokyo Denki University Hatoyama Hiki-Gun Saitama 350-0394 Japan
来源：
Journal of University of Science and Technology Beijing(English Edition) | 2006年 / 02期
关键词：
shape memory alloys; TiNi; surface properties;
D O I：
暂无
中图分类号：
TG139.6 [];
学科分类号：
摘要：
X-ray diffraction (XRD), auger electron spectroscopy (AES), and X-ray photoelectron spectroscopy (XPS) were used tocharacterize the surface properties of the N+-ion-implanted TiNi alloy. There is a high nitrogen content region at the outermost surfaceof the N+-ion-implanted TiNi alloy. The detected nitrogen exists mainly in the form of TiN. Small amounts of Ti3O5 and TiO2 also existon the surface of the N+-ion-implanted TiNi sample. The modified layer of the N+-ion-implanted sample can work as an obstacle layerof the nickel’s dissolution, which obstructs Ni dissolving from the TiNi surface effectively.
引用
收藏
页码：154 / 157
页数：4
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