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Friction and elasto-plastic deformation in asperity collision
2010 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The collision of cylindrical asperities is studied in this thesis. Numerical results are first compared and validated with classical Hertzian theory. Effects of the substrate material under the mating surface are considered in the simulation. Materials of top and bottom surfaces are given different properties. Elasto-plastic deformation and friction are determined along the process of collision. Strain hardening is included in the elasto-plastic deformation. Effects of interferences change and friction coefficient increase on deformation and friction are studied. Deformed shapes of each asperity are given after collision. In the end, a preliminary wear curve is created.

Place, publisher, year, edition, pages
2010.
Keyword [en]
Technology, asperity, elasto-plastic deformation, friction, hertzian, theory
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-47604ISRN: LTU-PB-EX--10/003--SELocal ID: 5235c7eb-d1cd-406a-a1d2-8b7a8596b4c8OAI: oai:DiVA.org:ltu-47604DiVA: diva2:1020932
Subject / course
Student thesis, at least 30 credits
Educational program
Mechanical Engineering, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf