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In order to improve the surfaced mechanical property of 7A52 aluminum alloy, Ai-Si alloy coating was prepared by Supersonic Particles Deposition (SPD) processing on the surface of 7A52 aluminum alloy. The wear-resisting property and wear mechanism of the coating were researched. The results show that the hardness of coating which reached to 266 HV, is similar with that of rolled 7A52 aluminum alloy;...
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