Microstructure and Properties of Spray Deposited 2024-20Si-5Fe Alloy

来源 :Journal of Materials Science & Technology | 被引量 : 0次 | 上传用户:lionschen2009
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In this paper, a rapidly solidified Al-Si-Fe-Cu-Mg alloy was prepared by spray deposition. The microstructure of the alloy includes silicon phase and δ-(Al,Fe,Si). Al8Si6Mg3Fe, FeAl2 and small FeSi2 phases. The reasons of the formation of silicon and δ-(Al,Fe,Si) phase were analyzed. The tensile properties at the temperatures of room to 350℃ were investigated, and the strengthening mechanism was suggested. The wear resistance and cutability of the alloy were measured as well. The microstructure of the alloy includes silicon phase and δ- (Al, Fe, Si). Al8Si6Mg3Fe, FeAl2 and small FeSi2 phases. In this paper, a rapidly solidified Al-Si-Fe-Cu-Mg alloy was prepared by spray deposition. The reasons of the formation of silicon and δ- (Al, Fe, Si) phase were analyzed. The tensile properties at the temperatures of room to 350 ° C were investigated, and the strengthening mechanism was suggested. The wear resistance and cutability of the alloy were measured as well.
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