| Title |
Effect of Recrystallization and Natural Aging on Mechanical Properties of Al-Zn-Mg-Cu-Sc Alloys |
| Authors |
유민규(Min Kyu Yu); 권오열(Oh Yeol Kwon); 박태원(Tae Won Park); 이용연(Yong Yeon Lee); 홍순형(Soon Hyung Hong) |
| DOI |
https://doi.org/10.3365/KJMM.2015.53.12.844 |
| ISSN |
1738-8228(ISSN), 2288-8241(eISSN) |
| Keywords |
Al-Zn-Mg-Cu-Sc alloy; recrystallization; natural aging; G.P zone |
| Abstract |
In this study, the recrystallization volume fraction of the Al-Zn-Mg-Cu-Sc alloy after solid solution heat treatment varied with different temperatures (445℃-465℃). The highest elongation of the Al-Zn-Mg-Cu-Sc alloy was obtained at 465 ℃. Further, the hardness and strength of the solid solution heat treated Al-Zn-Mg-Cu-Sc alloy increased at room temperature due to G.P zone precipitates. The results confirmed that we can obtain advanced mechanical properties for the Al-Zn-Mg-Cu-Sc alloy from solid solution heat treatment and natural aging. |