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6 T6热处理合金中Al-Si-Zr-Ti析出相的平均长度、长宽比和数密度

Table 6 Average length, aspect and number density for the Al-Si-Zr-Ti precipitates derived from TEM results of T6 treated alloys

Alloy Average length/nm Aspect/nm Number density/nm-3 2 313±33 6.59±0.03 (3.15±0.40)×10-8 3 302±52 6.36±0.50 (6.10±1.77)×10-8 4 300±22 6.10±0.41 (6.18±1.60)×10-8