The equilibrium relationship and composition of three solid solutions at the low Cu region in the Al-Zn-Cu ternary system has been investigated by means of diffusion couple-EPMA technique.

• 采用扩散偶-电子探针微区分析技术,对Al-Zn-Cu三元系相图的低Cu区三个固溶体相的相平衡关系及相平衡成分进行了研究。