Al-20Mg合金高压凝固力学性能研究*

接金川, 邹鹑鸣, 王宏伟, 魏尊杰

MECHANICAL BEHAVIOR OF Al-20Mg ALLOY SOLIDIFIED UNDER HIGH PRESSURE

JIE Jinchuan, ZOU Chunming, WANG Hongwei, WEI Zunjie

表1 Al-20Mg合金在不同压力凝固后的拉伸性能及晶粒尺寸

Table 1 Tensile properties and grain sizes of Al-20Mg alloy solidified under different pressures

Condition Tensile strength / MPa Yield strength / MPa Elongation / % Grain size / mm 1.0×105 Pa 53.5 － 0.05 0.1 1 GPa 105.1 － 0.15 0.3 2 GPa 474.8 232.8 11.10 0.3 3 GPa 430.1 198.1 11.10 0.4