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7 不同Zr含量铸态和T6热态合金的力学性能
Table 7 Mechanical properties of as-cast alloys and T6 heat treated alloys with different Zr content
AlloyAs castAfter T6 heat treatment
YS/MPaUTS/MPaE / %YS/MPaUTS/MPaE / %
1130±10184±125.14±1.06278±11302±134.55±1.48
2149±5213±77.95±0.97305±6332±58.67±1.09
3135±13195±136.21±1.52301±12316±115.05±1.49
4137±8182±104.13±0.95280±15292±152.94±1.38