| Cu—Zn—Al形状记忆合金在马氏体状态的塑性变形 |
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| 引用本文： | 张一,E.HORNBOGEN.Cu—Zn—Al形状记忆合金在马氏体状态的塑性变形[J].金属学报,1989,25(3):23-28. |
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| 作者姓名： | 张一 E.HORNBOGEN |
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| 作者单位： | 上海钢铁研究所,Institute for Materials Ruhr-University Bochum F.R.G. |
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| 摘 要： | 采用光学显微镜、电子显微镜、电阻和膨胀方法研究了三种Cu-Zn-Al形状记忆合金在马氏体状态的塑性变形对马氏体转变温度、相变过程及转变循环滞后的影响。其中两种合金相变温度较高,在室温下即为马氏体状态。第三种合金A_f温度远低于室温。讨论了“第一次循环效应”的可能机制。
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| 关 键 词： | Cu－Zn－Al合金 形状记忆合金 变形 |
| 收稿时间： | 1989-03-18 |
| 修稿时间： | 1989-03-18 |
DEFORMATION OF CuZnAl SHAPE MEMORY ALLOYS IN MARTENSITIC STATE |
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| ZHANG Yi,E. HORNBOGEN.DEFORMATION OF CuZnAl SHAPE MEMORY ALLOYS IN MARTENSITIC STATE[J].Acta Metallurgica Sinica,1989,25(3):23-28. |
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| Authors: | ZHANG Yi E HORNBOGEN |
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| Affiliation: | ZHANG Yi,E. HORNBOGEN Shanghai Institute of Iron and Steel Research Institute for Materials,Ruhr-University Bochum,F. R. G. |
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| Abstract: | Plastic deformation of three CuZnAl shape memory alloys in martensi-
tic state was investigated by means of optical and electron metallography, dilatome-
try and electric resistivity determination. Two of the alloys are in martensitic state
at ambient temperature, and the A_f temperature of the third one is far below the
ambient temperature. The effect of deformation of alloys in martensitic state on
the course and temperature of transformation as well as the hysteresis of transfor-
mation cycles has been analyzed and the "effect of the first cycle" has also been
discussed. |
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| Keywords: | shape memory alloy deformation martensitic transformation |
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