Tribological behavior of plasma-sprayed Cr2O3 coatings on C/C composites sliding against different counterparts
In 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...
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| Veröffentlicht in: | Materials research express 2019-08, Vol.6 (8) |
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| creator | Tu, Wenhua Niu, Yaran Li, Hong Zhong, Xin Hong, Du Shi, Minhao Zheng, Xuebin Sun, Jinliang |
| description | In 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. |
| doi_str_mv | 10.1088/2053-1591/ab2258 |
| format | Article |
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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.</description><identifier>EISSN: 2053-1591</identifier><identifier>DOI: 10.1088/2053-1591/ab2258</identifier><language>eng</language><publisher>IOP Publishing</publisher><subject>air plasma spray ; C/C composites ; coating ; tribological behavior</subject><ispartof>Materials research express, 2019-08, Vol.6 (8)</ispartof><rights>2019 IOP Publishing Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-1245-200X ; 0000-0003-3386-2179</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/2053-1591/ab2258/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,780,784,27922,27923,38866,53838,53844,53891</link.rule.ids></links><search><creatorcontrib>Tu, Wenhua</creatorcontrib><creatorcontrib>Niu, Yaran</creatorcontrib><creatorcontrib>Li, Hong</creatorcontrib><creatorcontrib>Zhong, Xin</creatorcontrib><creatorcontrib>Hong, Du</creatorcontrib><creatorcontrib>Shi, Minhao</creatorcontrib><creatorcontrib>Zheng, Xuebin</creatorcontrib><creatorcontrib>Sun, Jinliang</creatorcontrib><title>Tribological behavior of plasma-sprayed Cr2O3 coatings on C/C composites sliding against different counterparts</title><title>Materials research express</title><addtitle>MRX</addtitle><addtitle>Mater. Res. Express</addtitle><description>In 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.</description><subject>air plasma spray</subject><subject>C/C composites</subject><subject>coating</subject><subject>tribological behavior</subject><issn>2053-1591</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNptkD1rwzAQhkWh0JBm76ipU93ow3KksZh-QSBLOouTJaUKjmUkpbT_vg4pmTodd_fwvvAgdEfJIyVSLhkRvKJC0SUYxoS8QrPL6QYtct4TQthKccGaGYrbFEzs4y500GPjPuErxISjx2MP-QBVHhP8OIvbxDYcdxFKGHYZxwG3y3baD2PMobiMcx_s9MKwgzDkgm3w3iU3lAk6DsWlEVLJt-jaQ5_d4m_O0cfL87Z9q9ab1_f2aV0FxnipjHGqM6ZzQtVsZb1zpKG8dlArKh11vrHceNUBBdOAJYYLq4gH1RFqwEg-Rw_n3BBHvY_HNExtmhJ9cqRPQvRJiD47mvD7f_BD-taNlprIpq6FHq3nv46JbEc</recordid><startdate>20190801</startdate><enddate>20190801</enddate><creator>Tu, Wenhua</creator><creator>Niu, Yaran</creator><creator>Li, Hong</creator><creator>Zhong, Xin</creator><creator>Hong, Du</creator><creator>Shi, Minhao</creator><creator>Zheng, Xuebin</creator><creator>Sun, Jinliang</creator><general>IOP Publishing</general><scope/><orcidid>https://orcid.org/0000-0002-1245-200X</orcidid><orcidid>https://orcid.org/0000-0003-3386-2179</orcidid></search><sort><creationdate>20190801</creationdate><title>Tribological behavior of plasma-sprayed Cr2O3 coatings on C/C composites sliding against different counterparts</title><author>Tu, Wenhua ; Niu, Yaran ; Li, Hong ; Zhong, Xin ; Hong, Du ; Shi, Minhao ; Zheng, Xuebin ; Sun, Jinliang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i223t-bbe9cbbce59427dfee06134ea4918e1ef6d3bf9ca1ab6ad0b35d90fa9c01bab83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>air plasma spray</topic><topic>C/C composites</topic><topic>coating</topic><topic>tribological behavior</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tu, Wenhua</creatorcontrib><creatorcontrib>Niu, Yaran</creatorcontrib><creatorcontrib>Li, Hong</creatorcontrib><creatorcontrib>Zhong, Xin</creatorcontrib><creatorcontrib>Hong, Du</creatorcontrib><creatorcontrib>Shi, Minhao</creatorcontrib><creatorcontrib>Zheng, Xuebin</creatorcontrib><creatorcontrib>Sun, Jinliang</creatorcontrib><jtitle>Materials research express</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tu, Wenhua</au><au>Niu, Yaran</au><au>Li, Hong</au><au>Zhong, Xin</au><au>Hong, Du</au><au>Shi, Minhao</au><au>Zheng, Xuebin</au><au>Sun, Jinliang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tribological behavior of plasma-sprayed Cr2O3 coatings on C/C composites sliding against different counterparts</atitle><jtitle>Materials research express</jtitle><stitle>MRX</stitle><addtitle>Mater. Res. Express</addtitle><date>2019-08-01</date><risdate>2019</risdate><volume>6</volume><issue>8</issue><eissn>2053-1591</eissn><abstract>In 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.</abstract><pub>IOP Publishing</pub><doi>10.1088/2053-1591/ab2258</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-1245-200X</orcidid><orcidid>https://orcid.org/0000-0003-3386-2179</orcidid></addata></record> |
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| subjects | air plasma spray C/C composites coating tribological behavior |
| title | Tribological behavior of plasma-sprayed Cr2O3 coatings on C/C composites sliding against different counterparts |
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