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Effect of temperature on friction and wear of prehardened tool steel during sliding against 22MnB5 steel
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.ORCID-id: 0000-0003-1162-4671
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Material- och solidmekanik.ORCID-id: 0000-0002-9421-6587
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Material- och solidmekanik.ORCID-id: 0000-0001-7074-8960
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2014 (engelsk)Inngår i: Tribology - Materials, Surfaces & Interfaces, ISSN 1751-5831, E-ISSN 1751-584X, Vol. 8, nr 2, s. 65-73Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Mechanical components in tribological systems exposed to elevated temperatures are gaining increased attention since more and more systems are designed to operate under extreme conditions. In hot metal forming, the effect of temperature on friction and wear is especially important since it is directly related to process economy (tool wear) and quality of the produced parts (friction between tool and workpiece). This study is therefore focused on fundamental understanding pertaining to the tribological characteristics of prehardened hot work tool steel during sliding against 22MnB5 boron steel. The tribological tests were carried out using a high temperature reciprocating sliding friction and wear tester under a normal load of 31 N (corresponding to a contact pressure of 10 MPa), a sliding speed of 0·2 m s−1 and temperatures ranging from 40°C to 800°C. It was found that friction coefficient and specific wear rate decreased at elevated temperature because of formation of compacted wear debris layers on the surfaces.

sted, utgiver, år, opplag, sider
2014. Vol. 8, nr 2, s. 65-73
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Maskinelement; Hållfasthetslära
Identifikatorer
URN: urn:nbn:se:ltu:diva-8306DOI: 10.1179/1751584X13Y.0000000056Scopus ID: 2-s2.0-84898069918Lokal ID: 6ce482ef-e8a6-43a6-86be-3a636cba9daaOAI: oai:DiVA.org:ltu-8306DiVA, id: diva2:981198
Merknad
Validerad; 2014; 20140414 (sermoz)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Mozgovoy, SergejHardell, JensDeng, LiangOldenburg, MatsPrakash, Braham

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