Investigation of the effects of skewness Rsk and kurtosis Rku on tribological behavior in a pin-on-disc test of surfaces machined by conventional milling and turning processes
Friction and wear are influenced by the surface conditions of the material, since there is deformation, segregation, generation of oxide films, among others. Roughness is an important characteristic in tribological studies, where the parameters of skewness and kurtosis have greater influence than th...
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| Veröffentlicht in: | Materials research (São Carlos, São Paulo, Brazil) São Paulo, Brazil), 2021-01, Vol.24 (2), p.e20200435 |
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| container_title | Materials research (São Carlos, São Paulo, Brazil) |
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| creator | Ba, Elhadji Cheikh Talibouya Dumont, Marcello Rosa Martins, Paulo Sérgio Drumond, Ramon Martins Martins da Cruz, Matheus Philippe Vieira, Vitor Ferreira |
| description | Friction and wear are influenced by the surface conditions of the material, since there is deformation, segregation, generation of oxide films, among others. Roughness is an important characteristic in tribological studies, where the parameters of skewness and kurtosis have greater influence than the conventional parameters Ra and Rq. This study is aimed to investigate the influence of the parameters of skewness Rsk and Rku kurtosis on the surface of the USI AR 360 steel machining by the milling and turning processes in the pin-on-disc sliding wear test. Results showed that surfaces with the same Ra and Rq could be distinguished by the skewness parameter. Different behaviors were observed in the analysis of friction curves, where the skewness effect showed a tendency to reduce the friction coefficient. It was also observed that the feed marks orientation in relation to the sliding direction can influence the tribological behavior of the surfaces. |
| doi_str_mv | 10.1590/1980-5373-mr-2020-0435 |
| format | Article |
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Roughness is an important characteristic in tribological studies, where the parameters of skewness and kurtosis have greater influence than the conventional parameters Ra and Rq. This study is aimed to investigate the influence of the parameters of skewness Rsk and Rku kurtosis on the surface of the USI AR 360 steel machining by the milling and turning processes in the pin-on-disc sliding wear test. Results showed that surfaces with the same Ra and Rq could be distinguished by the skewness parameter. Different behaviors were observed in the analysis of friction curves, where the skewness effect showed a tendency to reduce the friction coefficient. It was also observed that the feed marks orientation in relation to the sliding direction can influence the tribological behavior of the surfaces.</description><identifier>ISSN: 1516-1439</identifier><identifier>ISSN: 1980-5373</identifier><identifier>EISSN: 1980-5373</identifier><identifier>DOI: 10.1590/1980-5373-mr-2020-0435</identifier><language>eng</language><publisher>Sao Carlos: Universidade Federal do Sao Carlos, Departamento de Engenharia de Materiais</publisher><subject>Asperities ; Coefficient of friction ; ENGINEERING, CHEMICAL ; Friction ; Friction coefficient ; Friction reduction ; Frictional wear ; Kurtosis ; MATERIALS SCIENCE, MULTIDISCIPLINARY ; METALLURGY & METALLURGICAL ENGINEERING ; Milling (machining) ; Oxide coatings ; Parameters ; Roughness ; Skewness ; Sliding friction ; Tribology ; Turning (machining) ; Wear coefficient</subject><ispartof>Materials research (São Carlos, São Paulo, Brazil), 2021-01, Vol.24 (2), p.e20200435</ispartof><rights>Copyright Universidade Federal do Sao Carlos, Departamento de Engenharia de Materiais 2021</rights><rights>This work is licensed under a Creative Commons Attribution 4.0 International License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-a763a72aceee46ac8f8507a4398689e6bb89307262c04395971e3f84602b9e813</citedby><cites>FETCH-LOGICAL-c436t-a763a72aceee46ac8f8507a4398689e6bb89307262c04395971e3f84602b9e813</cites><orcidid>0000-0002-8700-2433 ; 0000-0003-2879-5274 ; 0000-0002-8239-7528 ; 0000-0001-7884-122X ; 0000-0002-1609-0472</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,864,885,2102,27924,27925</link.rule.ids></links><search><creatorcontrib>Ba, Elhadji Cheikh Talibouya</creatorcontrib><creatorcontrib>Dumont, Marcello Rosa</creatorcontrib><creatorcontrib>Martins, Paulo Sérgio</creatorcontrib><creatorcontrib>Drumond, Ramon Martins</creatorcontrib><creatorcontrib>Martins da Cruz, Matheus Philippe</creatorcontrib><creatorcontrib>Vieira, Vitor Ferreira</creatorcontrib><title>Investigation of the effects of skewness Rsk and kurtosis Rku on tribological behavior in a pin-on-disc test of surfaces machined by conventional milling and turning processes</title><title>Materials research (São Carlos, São Paulo, Brazil)</title><addtitle>Mat. 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It was also observed that the feed marks orientation in relation to the sliding direction can influence the tribological behavior of the surfaces.</description><subject>Asperities</subject><subject>Coefficient of friction</subject><subject>ENGINEERING, CHEMICAL</subject><subject>Friction</subject><subject>Friction coefficient</subject><subject>Friction reduction</subject><subject>Frictional wear</subject><subject>Kurtosis</subject><subject>MATERIALS SCIENCE, MULTIDISCIPLINARY</subject><subject>METALLURGY & METALLURGICAL ENGINEERING</subject><subject>Milling (machining)</subject><subject>Oxide coatings</subject><subject>Parameters</subject><subject>Roughness</subject><subject>Skewness</subject><subject>Sliding friction</subject><subject>Tribology</subject><subject>Turning (machining)</subject><subject>Wear coefficient</subject><issn>1516-1439</issn><issn>1980-5373</issn><issn>1980-5373</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNpFUttu3CAQtapWapr2FyqkPJNysTE8RlEvK0Wq1CTPCOPxLrs2bAGnylflFwu7Vfo0wzDnzO00zWdKrmmnyBeqJMEd7zleImaEEUxa3r1pLl4_3ha_owLTlqv3zYeU9oSwngt-0bxs_BOk7LYmu-BRmFDeAYJpAptTfaYD_PGQEvqVDsj4ER3WmENyJXBYUYHk6IYwh62zZkYD7MyTCxE5jww6Oo-Dx6NLFuVS5cS3xslYSGgxduc8jGh4RjaULnztoHAsbp6d356K5TX66h9jKJgE6WPzbjJzgk__7GXz-O3rw-0PfPfz--b25g7blouMTS-46VkpBNAKY-UkO9KbMr8UUoEYBqk46ZlgtixLdaqnwCfZCsIGBZLyy2Zz5h2D2etjdIuJzzoYp0-BELfaxOzsDHrgjMGoWtYJ1RrTGTIQISeulOTCtkPhuj5zJetgDnofylSleX1fr6LrVcrZKClHIdUWwNUZUMb-vZbF_YewVilFeyr6kiXOWTaGlCJMr21SoqsydBWArgLQS9RVGboqg_8F1xesQA</recordid><startdate>20210101</startdate><enddate>20210101</enddate><creator>Ba, Elhadji Cheikh Talibouya</creator><creator>Dumont, Marcello Rosa</creator><creator>Martins, Paulo Sérgio</creator><creator>Drumond, Ramon Martins</creator><creator>Martins da Cruz, Matheus Philippe</creator><creator>Vieira, Vitor Ferreira</creator><general>Universidade Federal do Sao Carlos, Departamento de Engenharia de Materiais</general><general>ABM, ABC, ABPol</general><general>Associação Brasileira de Metalurgia e Materiais (ABM); 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| subjects | Asperities Coefficient of friction ENGINEERING, CHEMICAL Friction Friction coefficient Friction reduction Frictional wear Kurtosis MATERIALS SCIENCE, MULTIDISCIPLINARY METALLURGY & METALLURGICAL ENGINEERING Milling (machining) Oxide coatings Parameters Roughness Skewness Sliding friction Tribology Turning (machining) Wear coefficient |
| title | Investigation of the effects of skewness Rsk and kurtosis Rku on tribological behavior in a pin-on-disc test of surfaces machined by conventional milling and turning processes |
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