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Warm carbon coat reduces friction
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0002-4271-0380
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-9110-2819
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2014 (English)In: Nature, ISSN 0028-0836, E-ISSN 1476-4687, Vol. 505, no 7483, p. 264-Article in journal, Letter (Other academic) Published
Abstract [en]

A coating material made of carbon reduces friction not just by providing a slippery surface, but also by keeping the points of contact warm. Marcus Björling at Luleå University of Technology in Sweden and his team coated steel balls with ``diamond-like-carbon'' - a material in which carbon atoms have a bonding pattern similar to that of diamond. They rolled the balls against a metal disk with an oil lubricant in between, and showed that the carbon coating acts as an insulator, lowering the viscosity of the lubricant and thus reducing the fricion between the ball and the disk. These findings could encourage the development of lubricant coatings made from insulating materials

Place, publisher, year, edition, pages
2014. Vol. 505, no 7483, p. 264-
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-14536DOI: 10.1038/505264bLocal ID: de693b4d-a58c-4f34-8a01-c30874f925c7OAI: oai:DiVA.org:ltu-14536DiVA, id: diva2:987509
Note
Godkänd; 2014; 20140612 (marbjo)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-03-09Bibliographically approved

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Björling, MarcusLarsson, RolandMarklund, Pär

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