GUI Jianian REN Qiang WANG Renhui Wuhan University
,
Wuhan
,
China
金属学报(英文版)
The effect of composition and heat treatment on the phase constituent,the size of B2-and DO_3 derived domains and martensitic thermoelastic behaviour in three CuAlNi alloys have been studied by means of metallography,TEM anti X-ray diffraction analyses.It is shown that the structure of martensite changes from 18R_1 into 2H and the transition temperature decreases with the increase of the Al content.Moreover,the size of the B2 and DO_3 derived domains decreases with the increase of cooling rate.
关键词:
CuAlNi alloy
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null
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null
桂嘉年
,
任强
,
王仁卉
金属学报
用金相、透射电镜和X射线衍射分析对三种成分的CuAlNi合金研究了成分和热处理对相组成,B2和D0_3型畴尺寸以及马氏体热弹性行为的影响。结果表明,随Al含量的增加马氏体结构类型从18R_1变到2H,并且相变温度降低。随着冷速增大,B2和D0_3型畴的尺寸减小。
关键词:
CuAlNi合金
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shape memory alloy
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martensitic transformation
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null
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null
