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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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纳米晶Fe-25%Ni合金块材的内耗研究
, PP. 523-526
Keywords: 内耗,纳米晶Fe-Ni合金,相变
Abstract:
运用动态力学分析仪(DMA)测量了惰性气体冷凝原位温压固结制备的纳米晶Fe-25%Ni(原子分数)块材的滞弹性谱,测试温度在20---400℃之间.观察到200℃附近有一内耗峰,并伴随有模量的软化.X射线衍射结果表明,此峰与应力诱发马氏体逆相变有关.讨论了模量随温度的升高而升高的异常变化.
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