利用电阻-温度曲线测量,X射线衍射,金相观察等方法研究了Cu-24Al-3Mn合金β1母相非等温时效效应.结果表明,该合金具有很强的抗母相时效分解性能,以10℃/min速度加热至620℃时,合金仍具有良好的热弹性马氏体转变特性,可逆马氏体转变量高达92%以上.时效初期,马氏体相变点有所上升,但上升幅度仅10-15℃,后期变化不大.该合金母相状态时效时,析出相为γ2相.
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