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Influence of work material proof stress and tool steel microstructure on galling initiation and critical contact pressure
Department of Mechanical and Materials Engineering, Karlstad University, Karlstad, Sweden.ORCID-id: 0000-0002-8144-8821
Department of Mechanical and Materials Engineering, Karlstad University, Karlstad, Sweden.
Department of Mechanical and Materials Engineering, Karlstad University, Karlstad, Sweden.
Department of Mechanical and Materials Engineering, Karlstad University, Karlstad, Sweden.
2013 (engelsk)Inngår i: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 60, s. 104-110Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

EN 1.4301 (austenitic), EN 1.4509 (ferritic), EN 1.4162 (duplex) and EN 1.4310 C1000 (metastable austenitic) stainless steels were tested in lubricated sliding against an ingot cast EN X153WCrMoV12 and powder metallurgy nitrogen alloyed Uddeholm Vancron 40 tool steels to reveal critical to galling contact pressure, Pcr. The calculated Pcr were higher for steels with higher strength. At P>Pcr, due to plastic flow of sheet material, the tool is damaged substantially and wear-induced matrix damage causes rapid galling initiation. At P<Pcr, galling was not observed. The powder metallurgy tool steel was more resistant to galling against all tested stainless steels. Better performance was associated with fine and homogeneously distributed hard phases preventing intensive wear of the tool steel matrix.

sted, utgiver, år, opplag, sider
Elsevier , 2013. Vol. 60, s. 104-110
Emneord [en]
Galling, Tool steels, Stainless steel, Wear
HSV kategori
Forskningsprogram
Materialteknik; Maskinteknik
Identifikatorer
URN: urn:nbn:se:oru:diva-58821DOI: 10.1016/j.triboint.2012.10.023ISI: 000315550700014Scopus ID: 2-s2.0-84870371161OAI: oai:DiVA.org:oru-58821DiVA, id: diva2:1128243
Tilgjengelig fra: 2012-10-26 Laget: 2017-07-24 Sist oppdatert: 2018-01-13bibliografisk kontrollert

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