结果表明，超声速度与合金相状态有关，而且对热弹性马氏体相变及其逆相变非常敏感。
The results of metallograph, X ray diffraction, and resistance experiments confirmed that thermal elastic martensitic transformation could be showed in casting Cu Al Be alloys.
本文通过研究铜基形状记忆合金的低频力学弛豫行为揭示其热弹性马氏体相变过程，从而拓展其应用领域。
In the paper, the mechanical relaxation behaviors in the Cu-based shape memory alloy were studied to reveal the process of the thermo-elastic martensitic transformation and to expand its applications.
变形量更大时，变体界面共格性被破坏，部分马氏体丧失热弹性。
With the increase of the deformation, the coherent boundaries between the variants are destroyed, a part of the stress-induced martensite lose the thermoelasticity.
变形量更大时，变体界面共格性被破坏，部分马氏体丧失热弹性。
With the increase of the deformation, the coherent boundaries between the variants are destroyed, a part of the stress-induced martensite lose the thermoelasticity.
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