Influence of surface roughness of PVD coatings on tribological performance in sliding contacts

Document identifier: oai:dalea.du.se:2690
Access full text here:10.1016/j.surfcoat.2006.08.103
Keyword: Engineering and Technology, Materials Engineering, Teknik och teknologier, Materialteknik, PVD; pin on disc; scratch test; roughness; wear; tribofilm
Publication year: 2006
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Abstract:

The influence of surface roughness on the tribological performance, i.e. friction, wear and material pick-up tendency, of two different commercial PVD coatings, TiN and WC/C, in sliding contact with ball bearing steel has been evaluated using two different types of sliding wear laboratory tests. Post-test characterisation using SEM/EDS, AES, ToF-SIMS and XPS was used to evaluate the prevailing friction and wear. The results show that the surface roughness of the coating is of importance in order to control the initial material pick-up tendency and thus the friction characteristics in a sliding contact. Once initiated, the material pick-up tendency will increase, generating a tribofilm at the sliding interface. For steel–TiN sliding couples a FeO-based tribofilm is generated on the two surfaces and FeO/FeO becomes the sliding interface (interfilm sliding) resulting in a high friction coefficient. For steel–WC/C sliding couples the WC/C displays a pronounced running-in behaviour which generates a WO3-based tribofilm on the steel surface while a carbon rich surface layer is formed on the WC/C surface, i.e. WO3/C becomes the sliding interface (interface sliding) resulting in a low friction coefficient.

Authors

Peter Harlin

Högskolan Dalarna; Materialvetenskap
Other publications >>

Per Carlsson

Högskolan Dalarna; Materialvetenskap
Other publications >>

Ulf Bexell

Högskolan Dalarna; Materialvetenskap
Other publications >>

Mikael Olsson

Högskolan Dalarna; Materialvetenskap
Other publications >>

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    header: 
        identifier: oai:dalea.du.se:2690
        datestamp: 2021-04-15T12:55:11Z
        setSpec: SwePub-du
    metadata: 
        mods: 
            @attributes: 
                version: 3.7
            recordInfo: 
                recordContentSource: du
                recordCreationDate: 2007-04-04
            identifier: 
                http://urn.kb.se/resolve?urn=urn:nbn:se:du-2690
                10.1016/j.surfcoat.2006.08.103
            titleInfo: 
                @attributes: 
                    lang: eng
                title: Influence of surface roughness of PVD coatings on tribological performance in sliding contacts
            abstract: 
The influence of surface roughness on the tribological performance i.e. friction wear and material pick-up tendency of two different commercial PVD coatings TiN and WC/C in sliding contact with ball bearing steel has been evaluated using two different types of sliding wear laboratory tests. Post-test characterisation using SEM/EDS AES ToF-SIMS and XPS was used to evaluate the prevailing friction and wear. The results show that the surface roughness of the coating is of importance in order to control the initial material pick-up tendency and thus the friction characteristics in a sliding contact. Once initiated the material pick-up tendency will increase generating a tribofilm at the sliding interface. For steel–TiN sliding couples a FeO-based tribofilm is generated on the two surfaces and FeO/FeO becomes the sliding interface (interfilm sliding) resulting in a high friction coefficient. For steel–WC/C sliding couples the WC/C displays a pronounced running-in behaviour which generates a WO3-based tribofilm on the steel surface while a carbon rich surface layer is formed on the WC/C surface i.e. WO3/C becomes the sliding interface (interface sliding) resulting in a low friction coefficient.

            subject: 
                    @attributes: 
                        lang: eng
                        authority: uka.se
                    topic: 
                        Engineering and Technology
                        Materials Engineering
                    @attributes: 
                        lang: swe
                        authority: uka.se
                    topic: 
                        Teknik och teknologier
                        Materialteknik
                    @attributes: 
                        lang: eng
                    topic: PVD; pin on disc; scratch test; roughness; wear; tribofilm
            language: 
                languageTerm: eng
            genre: 
                publication/journal-article
                ref
            note: 
                Published
                4
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                        type: personal
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                        Harlin
                        Peter
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                        roleTerm: aut
                    affiliation: 
                        Högskolan Dalarna
                        Materialvetenskap
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                        Carlsson
                        Per
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                        roleTerm: aut
                    affiliation: 
                        Högskolan Dalarna
                        Materialvetenskap
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                        Bexell
                        Ulf
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                        roleTerm: aut
                    affiliation: 
                        Högskolan Dalarna
                        Materialvetenskap
                    nameIdentifier: ubx
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                        type: personal
                        authority: du
                    namePart: 
                        Olsson
                        Mikael
                    role: 
                        roleTerm: aut
                    affiliation: 
                        Högskolan Dalarna
                        Materialvetenskap
                    nameIdentifier: mol
            originInfo: 
                dateIssued: 2006
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                    type: host
                titleInfo: 
                    title: Surface & Coatings Technology
                identifier: 
                    0257-8972
                    1879-3347
                part: 
                    detail: 
                            @attributes: 
                                type: volume
                            number: 201
                            @attributes: 
                                type: issue
                            number: 7
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                        start: 4253
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