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发表时间：2022-10-09

发表刊物：功能材料

期号：2

页面范围：216-219

ISSN号：1001-9731

摘要：The paper introduces the method of producing the two graded composite material of Al-20%Mg2Si and Al-20%Mg2Si-5%Al2O3 by adding SiO2 particles into Al-20%Mg2Si alloy under the high frequency magnetic field. The microcosmic structures of two composite materials are analyzed and the effect on microcosmic structure and the mechanical property added with SiO2 particles are discussed. The hardness is tested along the radial way, the result shows that the hardness distributes in gradient way and meets the demand that the outer area is high intensity but the center area is flexile.

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