本文選題：鈧 + 鋁合金　； 參考：《金屬熱處理》2017年04期

【摘要】：通過金相顯微鏡,掃描電鏡,能譜(EDS)分析儀對含Sc的7075鋁合金的組織結(jié)構(gòu)進(jìn)行了分析,并研究了其力學(xué)性能。結(jié)果表明:含0.22%Sc的7075鋁合金經(jīng)過優(yōu)化回歸熱處理(120℃×16 h+160℃×15 min+120℃×16 h)后,合金的力學(xué)性能得到了顯著提高。測得合金的抗拉強(qiáng)度、規(guī)定塑性延伸強(qiáng)度及伸長率分別為714 MPa、645 MPa和10.8%,較T6時效分別提高了18.2%、14%和6.5%。
[Abstract]:The microstructure and mechanical properties of 7075 aluminum alloy containing SC were analyzed by metallographic microscope, scanning electron microscope and EDS analyzer. The results showed that the mechanical properties of 7075 aluminum alloy containing 0.22%Sc were improved remarkably after optimized regression heat treatment (120 鈩，

本文編號：1868601