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在强迫振动模式下,系统地测量了Mn-8wt%Cu合金热弹性马氏体相变过程中的内耗对变温速率和振动频率的依赖关系.通过单独拟合相变内耗对振动频率和变温速率的依赖关系,提出了一种新的实验关系,并结合实验结果,讨论了非线性相变内耗的机制.With forced-mode measurements,the dependence of internal friction on the rate of change of temperature and vibration frequency in MnCu alloy undergoing thermoelastic martensitic phase-transition was investigated.Based on the results of the experiment a new empirical relationship was proposed-.
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