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A simulation of wear behaviour of high-speed steel hot rolls by means of high temperature pin-on-disc tests

Journal Article


Abstract


  • In thispaper,ahightemperaturepin-on-discconfigurationwasusedtosimulatethecontact

    establishedbetweenahigh-speedsteel(HSS)workrollandahotstripmaterialinhotrolling,in

    which thepinrepresentedtheHSSrollandthediscrepresentedastripsteel.Thepinsurfaceswere

    oxidisedduetotheheattransferfromthediscwhiletheywereincontact.Thisworkfocusedonthe

    contactbehaviouroftheoxidescaleintherollbiteduringhotrollingwhilethetestingtemperaturewas

    close totherollingtemperature,theHertzianpressurewassimilartothecontactpressureandthe

    slidingspeedwasclosetothoseintherollbite.Thecoefficientoffrictionduringthetestswas

    monitoredandrecordedin-situ.Itwasfoundthattheevolutionofthecoefficientoffrictioncouldbe

    divided intothreestages.Associatedwiththeevolutionofthecoefficientoffriction,themorphologies

    and micro-structuresonthesurfaceofpinwerecharacterisedbymeansofSEM,FIBandTEM

    techniquestostudythetribologicalbehaviourofoxidescaleincontacts.Theresultsindicatedthat

    the wearmechanismofpinsurfacevariesindifferentstages.AtthestagesIandII,theoxidescaleon

    the pinsurfaceissignificantlydeformed.AtthestageIII,whichthecoefficientoffrictionisstable,the

    wear mechanismisamixtureofadhesion,abrasionandoxidation.Theoxidetransferfromthemild

    carbonsteeldisctoHSSpinsignificantlycontributedtothescaleformedontheHSSpinsurface.

Publication Date


  • 2013

Published In


Citation


  • Zhu, H., Zhu, Q., Tieu, A. Kiet., Kosasih, B. & Kong, C. (2013). A simulation of wear behaviour of high-speed steel hot rolls by means of high temperature pin-on-disc tests. Wear, 302 (1-2), 1310-1318.

Scopus Eid


  • 2-s2.0-84879183086

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/1053

Has Global Citation Frequency


Number Of Pages


  • 8

Start Page


  • 1310

End Page


  • 1318

Volume


  • 302

Issue


  • 1-2

Place Of Publication


  • Netherlands

Abstract


  • In thispaper,ahightemperaturepin-on-discconfigurationwasusedtosimulatethecontact

    establishedbetweenahigh-speedsteel(HSS)workrollandahotstripmaterialinhotrolling,in

    which thepinrepresentedtheHSSrollandthediscrepresentedastripsteel.Thepinsurfaceswere

    oxidisedduetotheheattransferfromthediscwhiletheywereincontact.Thisworkfocusedonthe

    contactbehaviouroftheoxidescaleintherollbiteduringhotrollingwhilethetestingtemperaturewas

    close totherollingtemperature,theHertzianpressurewassimilartothecontactpressureandthe

    slidingspeedwasclosetothoseintherollbite.Thecoefficientoffrictionduringthetestswas

    monitoredandrecordedin-situ.Itwasfoundthattheevolutionofthecoefficientoffrictioncouldbe

    divided intothreestages.Associatedwiththeevolutionofthecoefficientoffriction,themorphologies

    and micro-structuresonthesurfaceofpinwerecharacterisedbymeansofSEM,FIBandTEM

    techniquestostudythetribologicalbehaviourofoxidescaleincontacts.Theresultsindicatedthat

    the wearmechanismofpinsurfacevariesindifferentstages.AtthestagesIandII,theoxidescaleon

    the pinsurfaceissignificantlydeformed.AtthestageIII,whichthecoefficientoffrictionisstable,the

    wear mechanismisamixtureofadhesion,abrasionandoxidation.Theoxidetransferfromthemild

    carbonsteeldisctoHSSpinsignificantlycontributedtothescaleformedontheHSSpinsurface.

Publication Date


  • 2013

Published In


Citation


  • Zhu, H., Zhu, Q., Tieu, A. Kiet., Kosasih, B. & Kong, C. (2013). A simulation of wear behaviour of high-speed steel hot rolls by means of high temperature pin-on-disc tests. Wear, 302 (1-2), 1310-1318.

Scopus Eid


  • 2-s2.0-84879183086

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/1053

Has Global Citation Frequency


Number Of Pages


  • 8

Start Page


  • 1310

End Page


  • 1318

Volume


  • 302

Issue


  • 1-2

Place Of Publication


  • Netherlands