OALib Journal期刊
ISSN: 2333-9721
费用:99美元
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杂质及Ce对8090Al-Li合金内、外韧化水平的影响
, PP. 802-806
Keywords: Al-Li合金,杂质,稀土元素,韧化
Abstract:
本文研究了杂质及Ce对8090Al-Li合金内、外韧化水平的影响.结果表明,Fe,Si和Na,K杂质有一定外韧化效果,但严重降低内韧化水平,在含较多杂质的材料中添加微量Ce,能够提高内韧化水平,但却降低外韧化水平.增加Ce含量,则使内、外韧化水平同时提高而明显地改善断裂韧性.
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