Effect of oxidation on transformation and deformation behavior in Ni-Ti alloy

被引：0
|
作者：
K. S. Kim
K. K. Jee
Y. B. Kim
W. Y. Jang
S. H. Han
机构：
[1] Korea Institute of Science and Technology,Division of Materials Science and Engineering
[2] School of Materials Science and Engineering,Division of Metallurgical and Materials Engineering
[3] Hongik University,undefined
[4] Chosun University,undefined
来源：
The European Physical Journal Special Topics | 2008年 / 158卷
关键词：
Martensite; Martensitic Transformation; Shape Memory Alloy; European Physical Journal Special Topic; Aged Specimen;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Effect of oxidation on transformation and deformation behavior was investigated in Ni-Ti alloy by comparing the as-oxidized specimen and the polished one. Ti's preferable reaction with oxygen results in the compounds such as Ni3Ti and Ni4Ti3, and the Ni-rich region between matrix and oxide. Martensitic transformation did not take place in the Ni-rich region due to the high Ni content while R phase transformation temperature decreased significantly. Oxidation deteriorated the superelasticity due to the formation of the compound as well as the Ni-rich region in which slip deformation occurs instead of induction of martensite.
引用
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页码：67 / 71
页数：4
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