机械搅拌与超声搅拌制备SiC/A356复合材料的对比

高红霞; 王秀红; 张豫徽

doi:10.15980/j.tzzz.2013.07.011

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机械搅拌与超声搅拌制备SiC/A356复合材料的对比
Comparative Analysis of SiC Particles Reinforced Aluminum Matrix Composites Fabricated by Mechanical Stirring and by Ultrasonic Stirring
2013年33卷第7期页码：669-672
纸质出版日期： 2013 ，
DOI： 10.15980/j.tzzz.2013.07.011

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[1]高红霞,王秀红,张豫徽.机械搅拌与超声搅拌制备SiC/A356复合材料的对比[J].特种铸造及有色合金,2013,33(07):669-672.

Gao Hongxia1, Wang Xiuhong1, Zhang Yuhui2. Comparative Analysis of SiC Particles Reinforced Aluminum Matrix Composites Fabricated by Mechanical Stirring and by Ultrasonic Stirring[J]. Special Casting & Nonferrous Alloys, 2013,33(7):669-672.
[1]高红霞,王秀红,张豫徽.机械搅拌与超声搅拌制备SiC/A356复合材料的对比[J].特种铸造及有色合金,2013,33(07):669-672. DOI： 10.15980/j.tzzz.2013.07.011.

Gao Hongxia1, Wang Xiuhong1, Zhang Yuhui2. Comparative Analysis of SiC Particles Reinforced Aluminum Matrix Composites Fabricated by Mechanical Stirring and by Ultrasonic Stirring[J]. Special Casting & Nonferrous Alloys, 2013,33(7):669-672. DOI： 10.15980/j.tzzz.2013.07.011.

摘要

采用机械搅拌和超声波搅拌法制备了SiC/A356复合材料

研究了机械搅拌与超声搅拌法制备复合材料的制备工艺

对SiC/A356复合材料的组织进行了分析

并对其硬度和耐磨性进行了测试。结果表明

机械搅拌法制备的复合材料有轻微的界面反应

超声波制备的复合材料组织细小、均匀、致密;SiC尺寸为2～3μm时

超声波搅拌制备的复合材料的硬度是机械搅拌法的1.22倍

耐磨性是机械搅拌法的1.56倍。

Abstract

SiC/A356 composites were prepared by mechanical stirring and by ultrasonic stirring method

and processing parameters of mechanical stirring and ultrasonic stirring were presented. Microstructure

hardness and wear resistance of the SiC/A356 composite prepared by mechanical stirring and by ultrasonic stirring were investigated by SEM （scanning electron microscopy） and Brinell’s machine and friction and wear test machine. The results indicate that there exists slight interface reaction in the composites prepared by mechanical stirring

while the uniform fine and compact structure can be observed in one prepared by ultrasonic stirring. With SiC size in 2

μm

compared to those of one prepared by mechanical stirring

the hardness and wear resistance of SiC/A356 composites are improved by 22% and by 56%

respectively.