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Wear and friction behavior of self-lubricating hybrid Cu-(SiC plus x CNT) composites

Title
Wear and friction behavior of self-lubricating hybrid Cu-(SiC plus x CNT) composites
Authors
Akbarpour, M. R.Alipour, S.Safarzadeh, A.Kim, H. S.
Date Issued
Feb-2019
Publisher
ELSEVIER SCI LTD
Abstract
In the present study, wear and friction behavior of Cu matrix composites reinforced with simultaneous SiC-nanoparticle and multi-wall carbon nanotube (CNT) reinforcements were investigated and a relationship for the theoretical calculation of the friction coefficient of the hybrid composites was presented. The hybrid composites showed higher wear resistance and lower friction coefficients compared to monolithic copper. The results indicate that among the synthesized composites, Cu-(2 vol% SiC + 4 vol% CNT) represented the highest wear resistance as well as relatively high hardness. In addition, a lower friction coefficient and a lower oscillation were observed with this sample, compared to other hybrid composite samples. This was attributed to the formation of a continuous and uniform lubricant layer on the wear surface. Flake formation-spalling were detected as the dominant wear mechanism for the hybrid composites.
URI
http://oasis.postech.ac.kr/handle/2014.oak/95301
ISSN
1359-8368
Article Type
Article
Citation
COMPOSITES PART B-ENGINEERING, vol. 158, page. 92 - 101, 2019-02
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 KIM, HYOUNG SEOP
Dept of Materials Science & Enginrg
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