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

表 1 样品的化学成分

Table 1 Chemical composition of samples (mass fraction, %)

Number Alloy Mg Cu Si Al A Al-2.0Mg-0.8Cu 2.00 0.69 - Bal. A-0.15Si Al-2.0Mg-0.8Cu-0.15Si 2.20 0.77 0.15 Bal. A-0.30Si Al-2.0Mg-0.8Cu-0.30Si 1.98 0.90 0.35 Bal. A-0.50Si Al-2.0Mg-0.8Cu-0.50Si 1.90 0.88 0.48 Bal.