Fabrication and wear behavior of CNT/Al composites

被引：0
|
作者：
Jiang Jin-long [1 ]
Wang Hai-zhong [2 ]
Yang hua [1 ]
Xu Jin-cheng [3 ]
机构：
[1] Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Peoples R China
[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[3] Lanzhou Univ, Dept Mat Sci, Lanzhou 730000, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2007年 / 17卷
关键词：
carbon nanotubes; Al matrix composite; wear behavior;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Aluminum matrix composites reinforced with carbon nanotube were fabricated by a powder metallurgy method. The effects of carbon nanotube content on the relative density, the hardness, and the friction and wear behavior of the composites under dry sliding condition were investigated using the ball (pin)-on-block tester. By scanning electron microscopy (SEM), the worn surfaces and worn chips were observed, and the wear mechanism of composites was analyzed and discussed. The results indicate that the addition to the aluminum matrix of 2.0%(mass fraction) carbon nanotube causes the increase in the Vickers hardness of about 80%. Within the range of carbon nanotubes content from 1.0% to 2.0%, both the friction coefficient and wear rate of composites decrease with the increase of carbon nanotube content. The delamination wear is the main wear mechanism for the composites.
引用
收藏
页码：S113 / S116
页数：4
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