Dry sliding wear of Cu-based shape memory alloy

被引：0
|
作者：
Wang, Hongwei [1 ]
Wu, Wangzi [1 ]
Wang, Fengting [1 ]
Yang, Dazhi [1 ]
机构：
[1] Dalian Univ of Technology, Dalian, China
来源：
Acta Metallurgica Sinica Series A, Physical Metallurgy & Materials Science | 1992年 / 5 A卷 / 03期
关键词：
Shape memory effect - Wear of materials - Wear resistance;
D O I：
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学科分类号：
摘要：
The wear of Cu-based CuZnAl shape memory alloys under dry sliding against steel was found to be plasticity-dominated, with adhesion and delamination being the two main mechanisms. Adhesion was accompanied by metal transfer. TEM observation on tensile test of thin foil showed that the stress-induced martensitic transformation occurred from β-phase in the vicinity of pre-existing microcracks. The blunt effect of crack tips may be proposed to explain the wear of CuZnAl shape memory alloy due to preferential orientation reaction of variants in martensite and stress-induced martensitic transformation in β-phase.
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页码：193 / 198
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