A Simple Way to Prepare Silicon Carbide Reinforced Graphite Composite Lubricating Materials

被引：0

作者：

韩永军 ^{[1
,2
]}

燕青芝 ^{[1
]}

LI Xianhui ^{[1
]}

机构：

[1] Institute of Nuclear and New Energy Systems Materials, University of Science and Technology Beijing

[2] School of Chemistry and Chemical Engineering, Pingdingshan University

来源：

Journal of Wuhan University of Technology(Materials Science) | 2015年 / 30卷 / 02期

基金：

中国国家自然科学基金;

关键词：

lubricating materials; silicon carbide; mechanical property; tribological property;

D O I：

暂无

中图分类号：

TQ163.4 []; TB33 [复合材料];

学科分类号：

0805 ; 080502 ; 0817 ;

摘要：

SiC reinforced graphite composites were prepared via introducing carbide silicon into the natural graphite flakes(NGF) by hot-pressing process. Their physical and mechanical properties, including density, open porosity, flexural strength, and friction behavior were investigated. The addition of 30vol% Si C increased the bending strength of composites materials to 127 MPa, 2 times higher than 60 MPa of commercial pure graphite block. What was particularly interesting was that the as-obtained graphite composite with 30vol% Si C kept the same low friction coefficient of about 0.1 as pure graphite, and the wear resistance of composites increased.

引用

页码：288 / 291

页数：4

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