冷轧变形和添加Si对Al-2Mg-0.8Cu(-Si)合金的组织和力学性能的影响

雷志国, 文胜平, 黄晖, 张二庆, 熊湘沅, 聂祚仁

Influence of Rolling Deformation on Microstructure and Mechanical Properties of Al-2Mg-0.8Cu(-Si) Alloy

LEI Zhiguo, WEN Shengping, HUANG Hui, ZHANG Erqing, XIONG Xiangyuan, NIE Zuoren

图7 不同变形量冷轧Al-2Mg-0.8Cu(-Si)合金在175℃等温退火后硬度的变化

Fig.7 Hardness curve of Al-Mg-Cu(-Si) alloy after isothermal annealing at 175℃ (a) deformation of 40% ; (b) deformation of 80%