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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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热循环对预应变NiTi记忆合金丝/铝基复合材料马氏体逆相变的影响
, PP. 3-5
Keywords: NiTi记忆合金,复合材料,热循环,马氏体逆相变
Abstract:
采用热压法将0.26mm的NiTi合金丝复合于铝中,利用SEM,DSC,热膨胀仪等实验手段研究了热循环对预应变为4%的NiTi合金丝/铝基复合材料马氏体逆相变的影响.结果表明在第一次加热过程中,马氏体逆转变开始温度明显升高;第二次加热过程中逆转变开始温度比未预应变样品略有降低,随热循环次数增加,逆相变开始温度降低;当循环次数超过30次后,逆转变温度几乎保持不变.并对热循环过程中的马氏体相变过程进行了分析讨论.
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