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Tribological behavior of plasma-sprayed Cr2O3 coatings on C/C composites sliding against different counterparts
Ti, Wenhua; Niu, Yaran; Li, Hong; Zhong, Xin; Hong, Du; Shi, Minhao; Zheng, Xuebin; Sun, Jinliang
2019-08-01
Source PublicationMATERIALS RESEARCH EXPRESS
ISSN2053-1591
Volume6Issue:8
SubtypeArticle
AbstractIn this study, Cr2O3 coating was fabricated on the surface of SiC-coated C/C composites by air plasma spray (APS) technique. Tribological behaviors of the Cr2O3 coatings sliding against stainless steel, WC-Co, Si3N4 and PTFE under low and high loads were investigated and compared. The results showed that the Cr2O3 coating significantly improved the wear resistance of C/C composite through reducing the wear rates. The wear rates rankings of the four friction pairs were Cr2O3/Si3N4 > Cr2O3/WC-Co > Cr2O3/stainless steel > Cr2O3/PTFE at all tested loads. While the friction coefficients were influenced by the applied loads. The Cr2O3/stainless steel pair displayed higher friction coefficients and lower wear rates compared with those of the Cr2O3/WC-Co and Cr2O3/Si3N4 pairs. Although the hardness of WC-Co was similar to that of Si3N4, the wear and friction behaviors of the Cr2O3/WC-Co and Cr2O3/Si3N4 pairs were quite different. The Cr2O3/PTFE pair displayed the lowest friction coefficient among the four kinds of friction pairs. The relevant wear mechanisms of different friction pairs were analyzed in detail.
KeywordCr2O3 coating C/C composites air plasma spray tribological behavior
DOI10.1088/2053-1591/ab2258
Language英语
WOS Research AreaMaterials Science
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26951
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Ti, Wenhua,Niu, Yaran,Li, Hong,et al. Tribological behavior of plasma-sprayed Cr2O3 coatings on C/C composites sliding against different counterparts[J]. MATERIALS RESEARCH EXPRESS,2019,6(8).
APA Ti, Wenhua.,Niu, Yaran.,Li, Hong.,Zhong, Xin.,Hong, Du.,...&Sun, Jinliang.(2019).Tribological behavior of plasma-sprayed Cr2O3 coatings on C/C composites sliding against different counterparts.MATERIALS RESEARCH EXPRESS,6(8).
MLA Ti, Wenhua,et al."Tribological behavior of plasma-sprayed Cr2O3 coatings on C/C composites sliding against different counterparts".MATERIALS RESEARCH EXPRESS 6.8(2019).
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