李艳锋,米绪军,尹向前,高宝东

• 1:北京有色金属研究总院有色金属材料制备加工国家重点实验室

摘要(Abstract)：

研究了热处理对TiNi合金回复稳定性能的影响。结果表明,马氏体相变温度Msσ和Mfσ随热机械循环次数增加而上升,而马氏体逆相变温度Asσ和Afσ随热机械循环次数的增加而下降。随着热机械循环次数的增加,相变温度逐步稳定。退火温度小于500℃,热机械循环下TiNi合金的回复性能稳定,退火温度达550℃时,TiNi合金组织长大,应力诱发马氏体变形时容易发生滑移,回复应变随热机械循环次数增加而下降,回复稳定性能变差。

关键词(KeyWords)： 形状记忆合金;TiNi合金;相变温度;回复应变

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李艳锋,米绪军,尹向前,高宝东

DOI: 10.13289/j.issn.1009-6264.2011.08.008

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