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介绍了向合金中添加稀土元素钇（Ｙ），来消除Ａｌ－４％Ｍｇ合金板材各向异性的方法和研究结果。
The methods and results of the addition of rare earth element yttrium (Y) to the alloy to eliminate the anisotropy of the Al-4% Mg alloy sheet are introduced.