Abstract The effect of solution treatment on the microstructures and mechanical properties of the Mg–6Gd–3Y–1.5Zn–0.6Zr alloy was investigated using optical microscopy, scanning electron microscopy, transmission electron microscopy, and tensile tests. After solution treatment, the growth of a new lamellar long-period stacking ordered phase from the grain boundary to the inner grain was observed. The alloy exhibited improved mechanical properties after 5 h of treatment at 500 °C and reached its peak aging hardness after 4 h at 200 °C.

中文翻译：

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固溶处理对Mg-6Gd-3Y-1.5Zn-0.6Zr合金组织和性能的影响

摘要 采用光学显微镜、扫描电子显微镜、透射电子显微镜和拉伸试验研究了固溶处理对 Mg-6Gd-3Y-1.5Zn-0.6Zr 合金显微组织和力学性能的影响。固溶处理后，观察到新的层状长周期堆积有序相从晶界向内部晶粒生长。该合金在 500°C 下处理 5 小时后表现出改善的机械性能，并在 200°C 下处理 4 小时后达到其峰值时效硬度。