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dc.contributor.authorMartín Pedrosa, Fernando 
dc.contributor.authorGarcía Cabezón, Ana Cristina 
dc.contributor.authorBlanco Val, María Yolanda 
dc.date.accessioned2016-12-21T09:17:07Z
dc.date.issued2015
dc.identifier.citationWear 2015, 328–329, 1–7es
dc.identifier.issn0043-1648es
dc.identifier.urihttp://uvadoc.uva.es/handle/10324/21878
dc.description.abstractPowder metallurgy practices offer the opportunity to control the porosity of steels for tribology applications. The material of interest was an austenitic powder metallurgy stainless steel sintered in a nitrogen atmosphere. Four disc samples with increasing porosity (from 8% to 29%) were subjected to dry and lubricated sliding against an alumina pin using a rotary pin-on-disc tribometer. An estimation based on Hertzian contact analysis has been introduced to define the size of large pores. A normalized scar depth has been defined. The influence of pores on Archard׳s wear law has been analysed. Dry sliding, liquid lubrication, and self-lubrication (filled pores) were all evaluated. During the first few metres of dry sliding, the pores are closed by plastic deformation. After that, the wear rate can be considered the same. In lubricated conditions, pores are not closed and the higher the porosity, the lower the wear rate. In filled-pore, self-lubricated conditions, the sample with the highest porosity showed the lowest wear rate. Reasons for this behaviour are discussed.es
dc.format.mimetypeapplication/pdfes
dc.language.isoenges
dc.publisherElsevieres
dc.rights.accessRightsinfo:eu-repo/semantics/embargoedAccesses
dc.subjectSliding weares
dc.subjectSteeles
dc.subjectWear testinges
dc.subjectContact mechanicses
dc.titleInfluence of residual porosity on the dry and lubricated sliding wear of a powder metallurgy austenitic stainless steeles
dc.typeinfo:eu-repo/semantics/articlees
dc.rights.holderELSERVIERes
dc.identifier.doihttp://dx.doi.org/10.1016/j.wear.2015.01.025es
dc.identifier.publicationfirstpage1es
dc.identifier.publicationlastpage7es
dc.identifier.publicationtitleInfluence of residual porosity on the dry and lubricated sliding wear of a powder metallurgy austenitic stainless steeles
dc.identifier.publicationvolume328-329es
dc.peerreviewedSIes
dc.description.embargo2030-01-01es
dc.description.lift2030-01-01


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