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Two-dimensional finite element analysis of elastic-plastic deformation in asperity-asperity collision
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-7029-1112
2010 (English)In: 14th Nordic Symposium on Tribology: NORDTRIB 2010 : Storforsen, Sweden, June 8-11, 2010, Luleå: Luleå tekniska universitet, 2010Conference paper, Published paper (Refereed)
Abstract [en]

The collision of cylindrical asperities is simulated by means of a commercial multiphysics software in this paper. The model combines a computational structure mechanics approach with a contact algorithm. Numerical results are first compared to classical Hertzian theory. Effects of the bulk material under the mating surfaces have been included in the simulation. Materials of top and bottom surfaces have been assigned different properties. Development of plastic deformation and friction are presented along the process of collision. Strain hardening is included in the elastic-plastic deformation. The effect of interference change and friction coefficient variation on deformation and friction has been studied. Deformed shape and subsurface residual stress in asperity are output parameters from this study.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2010.
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-40193Local ID: f39748b0-834e-11df-ab16-000ea68e967bISBN: 978-91-7439-124-4 (electronic)OAI: oai:DiVA.org:ltu-40193DiVA: diva2:1013716
Conference
Nordic Symposium on Tribology : 08/06/2010 - 11/06/2010
Note
Godkänd; 2010; Bibliografisk uppgift: CD-ROM; 20100629 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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Authority records BETA

Kang, ShaojieAlmqvist, AndreasLarsson, Roland

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