Effects of solution treatment parameters on microstructures, tensile properties and fractography of Al-9.8Zn-2.37Mg-2.22Cu0.12Zr alloy were studied by tensile testing, optical microscopy, SEM and EDS.

• 采用拉伸力学性能测试、金相观察、SEM和EDS等方法研究了固溶温度与时间对Al-9.；8Zn-2