Superplasticity of Mg-Gd-Y alloy in tensile test at elevated temperature

• 作 者: 肖阳 张新明 邓运来 范晓慧
• 机 构: SchoolofMaterialsScienceandEngineering
• 出 处: Transactions of Nonferrous Metals Society of China
• 发表日期: 2007年A01期
• 关键词: 镁 超塑性 微观结构 金属材料 Mg-Gd-Y ductility superplasticity microstructure

The high tensile ductility of Mg-Gd-Y alloy at temperatures above 623 K and average engineering strain rate of 4.6× 10-4 s-1 was investigated. The results show that the high ductility(elongation 77%) at 623 K is attributed to the basal,non-basal disl