有色金属科学与工程2024，Vol.15Issue(1)：139-146,8.DOI:10.13264/j.cnki.ysjskx.2024.01.017
固溶-时效过程中微量Er和Zr添加对6082铝合金力学性能的影响
Effect of trace Er and Zr addition on mechanical properties of 6082 Al alloy during solid solution-aging treatment
摘要
Abstract
The research shows that trace Er and Zr addition is an effective way to improve the mechanical properties of 6-series aluminum alloys,but the influence mechanism of trace Er and Zr addition on the mechanical properties during solid solution aging is still insufficient.The effect of trace Er and Zr addition(0,0.1Er+0.1Zr(% )and 0.2Er+ 0.2Zr(% ))on the mechanical properties of 6082 Al alloy during solid solution aging was investigated by hardness,tensile tests and electron microscopy methods.The results show that the addition of Er and Zr has little effect on the hardness change of 6082 Al alloy at different solution temperatures(530,540,550 and 560℃ ),with the best solution process of 540℃ for 0.5 h.During the aging process at 170℃ (0-12 h),the Brinell hardness of Er+Zr/6082 Al alloy after the addition of Er and Zr reaches its peak at 8 h,2h earlier than that of 6082 Al alloy.The addition of Er and Zr reduces the thermodynamic nucleation of Mg2Si phase,and accelerates the growth and evolution of Mg2Si phase during aging.关键词
6082Al/Er/Zr/固溶时效/Mg2Si相/力学性能Key words
6082 Al alloy/Er/Zr/solution aging/Mg2Si phase/mechanical properties分类
矿业与冶金引用本文复制引用
杜明星,冷金凤,李展志,殷玉虎..固溶-时效过程中微量Er和Zr添加对6082铝合金力学性能的影响[J].有色金属科学与工程,2024,15(1):139-146,8.基金项目
国家自然科学基金资助项目(51871111) （51871111）
