利用ρ-T曲线测量、X射线衍射、透射电镜观察等方法研究了Cu-19Zn-13Al(m%)合金母相时效过程中组织的变化规律.结果表明:Cu-19Zn-13Al合金母相时效时,β1母相发生了贝氏体转变,继续延长时效时间,贝氏体向α相转变;或者,由β1母相直接转变为块(棒)状的α相.Cu-19Zn-13Al(at%)合金母相时效时,Ms点先升高后下降,且分解过程进行较快,300min后分解过程基本上完成,合金不再发生马氏体相变.
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