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高频磁场下制备Al-Mg2Si-Al2O3梯度复合材料

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Indexed by:期刊论文

Date of Publication:2008-02-20

Journal:功能材料

Included Journals:EI、PKU、ISTIC、CSCD

Volume:39

Issue:2

Page Number:216-219

ISSN No.:1001-9731

Key Words:高频磁场;电磁分离;Al-Mg2Si过共晶合金;梯度复合材料

Abstract:通过向Al-20%Mg2Si合金中加入5%SiO2颗粒,利用高频磁场的电磁相分离法成功制备了Al-20%Mg2Si和Al-20%Mg2Si-5%Al2O3两种梯度复合材料.分析了两种复合材料的微观组织,讨论了加入SiO2颗粒对微观组织和机械性能的影响,并对两种合金沿径向进行了硬度测量,结果表明,硬度在径向呈梯度分布,满足梯度复合材料外硬内韧的性能特征.

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