总结了近年来Al-Zn-Mg-Cu-Sc-Zr六元系相图的发展情况,分析了Al-Zn-Mg-Cu-Sc-Zr六元系中富铝角存在的中间相Al3Sc、Al3Zr、Al3(Sc1-xZrx)、W相(ScCu6.6～4Al5.4～8)、T相((Al,Zn,Cu)49 Mg32、Mg3Zn3Al2)、M相(或η相、MgZn2)及它们的相结构,概述了Sc、Zr添加对Al-Zn-Mg-Cu合金的有益作用,指出了Al-Zn-Mg-Cu-Sc-Zr六元相图的价值和研究方向.
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