Preparation of Al-based metal matrix composites reinforced by Cu coated SiC particles

被引：5

作者：

Wang, HL ^{[1
]}

Zhang, R ^{[1
]}

Xu, HL ^{[1
]}

Lu, HX ^{[1
]}

Guan, SK ^{[1
]}

机构：

[1] Zhengzhou Univ, Coll Mat Engn, Zhengzhou 450002, Henan, Peoples R China

来源：

HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2 | 2005年 / 280-283卷

关键词：

coating; MMC; SiC; Al;

D O I：

10.4028/www.scientific.net/KEM.280-283.1493

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In order to improve the interfacial behavior between SiC and Al, a surface layer of Cu was coated on SiC particles. The influence of pH value on the coating process was analyzed. A powder metallurgy method was used to prepare the Al-based metal matrix composites (MMCs). SEM, XRD techniques were used to characterize the sintered compacts. It was found that the optimized pH value during the coating process was 1similar to2. The specimen showed the maximum density when sintered at 750degreesC. Inter-metallic compound of Al3.21Si0.47 was detected which contributed to the enhancement at the interface between SiC and Al. The hardness of the composites is improved to 90 MPa.

引用

页码：1493 / 1495

页数：3

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