AMNE:(TEKNIK OCH TEKNOLOGIER Maskinteknik Tribologi)
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Nano-scale friction of multi-phase powder metallurgy tool steels
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- Gåård, Anders, 1977- (author)
- Karlstads universitet,Institutionen för ingenjörsvetenskap och fysik (from 2013),Karlstad University
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- Karlsson, Patrik, 1973- (author)
- Karlstads universitet,Örebro universitet,Institutionen för naturvetenskap och teknik,Institutionen för ingenjörsvetenskap och fysik (from 2013),Karlstad University
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- Krakhmalev, Pavel, 1973- (author)
- Karlstads universitet,Institutionen för ingenjörsvetenskap och fysik (from 2013),Karlstad University
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- (creator_code:org_t)
- Trans Tech Publications, 2015
- 2015
- English.
- In: Advanced Materials Research. - : Trans Tech Publications. - 1022-6680 .- 1662-8985. ; 1119, s. 70-74
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- Friction is a fundamental phenomenon in tribology involving complex mechanisms between thecontacting surfaces. Measurements of friction are often made using devices with substantially largercontact area than dimensions corresponding to microstructural features of the materials. Hence, for multi-phase materials,influence of particular microstructural constituents is not resolved. In the present work, a tribometerwith a contact area in the nano-scale range was used to map friction for different types of tool steelswith different chemical- and phase composition. Owing to the small tip radius, frictionalcharacteristics of primary carbides and the steel matrix were measured and compared. Dependingon chemical composition, a difference was observed where the coefficient of friction wasapproximately twice higher for the steel possessing highest coefficient of friction, including bothcarbides and the steel matrix.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Tribologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Tribology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Keyword
- friction
- microstructure
- tool steel
- Mechanical Engineering
- Maskinteknik
- Physics
- Fysik
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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