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本文研究了Cu—Zn—Al合金中的热弹性马氏体的稳定化现象。发现从高温β相淬火至低于M_f温度并在该温度停留,或在A_S以下温度进行时效,均可使合金的热弹性马氏体稳定化。认为这些效应主要是由于淬火所产生的过饱和空位与共格界面交互作用所引起的。
This paper studies the stabilization of thermoelastic martensite in Cu-Zn-Al alloys. It is found that the thermoelastic martensite of the alloy can be stabilized by quenching β phase from high temperature to below M_f temperature and staying at this temperature, or aging at a temperature below A_S. It is considered that these effects are mainly due to the interaction of supersaturated vacancies and coherent interfaces caused by quenching.