| Issue |
MATEC Web Conf.
Volume 175, 2018
2018 International Forum on Construction, Aviation and Environmental Engineering-Internet of Things (IFCAE-IOT 2018)
|
|
|---|---|---|
| Article Number | 01031 | |
| Number of page(s) | 4 | |
| Section | Construction Materials | |
| DOI | https://doi.org/10.1051/matecconf/201817501031 | |
| Published online | 02 July 2018 | |
Tribological behaviors of Gra./Cu and CNTs/Cu composites with and without electric current
1
College of Mechanical and Electrical Engineering, Xi’an Polytechnic University, Xi’an 710048, China
2
Xi’an Research Institute of China Coal Technology& Engineering Group Corp, Xi’an 710077, China
a Corresponding author: 17815734@qq.com
Gra./Cu composites and CNTs/Cu composites were respectively fabricated by powder metallurgy techniques. The experiments of high speed sliding with and without electric current were carried out to investigate their tribological behaviors. The results show that the friction coefficients and wear rates with electric current are higher than without electric current; under the same testing condition the friction coefficients and wear rates of CNTs/Cu are lower and the worn surfaces are more planar than Gra./Cu. CNTs can debase the effect of heat generating during sliding process on the composites. The tribological properties of CNTs/Cu composites are more excellent than Gra./Cu composites.
© The Authors, published by EDP Sciences 2018
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