Zr含量对铸造AlSi7Mg0.4合金力学性能的影响

张云翔, 赵海东, 朱霖, 李昌海, 武汉琦

Effect of Zr Contents on Mechanical Properties of Cast AlSi7Mg0.4 Alloys

ZHANG Yunxiang, ZHAO Haidong, ZHU Lin, LI Changhai, WU Hanqi

表1 实验合金的化学成分

Table 1 Chemical composition of the experimental alloys (mass fraction, %)

Alloy Si Mg Fe Ti Sr Zr Al 1 7.13 0.41 0.14 0.15 0.013 - Bal. 2 6.94 0.39 0.13 0.15 0.017 0.06 Bal. 3 6.89 0.40 0.13 0.13 0.012 0.14 Bal. 4 6.77 0.40 0.13 0.15 0.017 0.20 Bal.