Interface mismatch eigenstrain of non-slipping contacts between dissimilar elastic solids

Lifeng Ma, Alexander M. Korsunsky

Research output: Contribution to journalArticlepeer-review

Abstract

The problems of non-slipping contacts between dissimilar elastic solids are studied under the conditions of plane strain. When two dissimilar solids are incrementally pressed into contact, a relative tangential displacement along the contact interface emerges because of the material property mismatch. The spatial derivative of the relative tangential displacement is referred to as the interface mismatch eigenstrain, which is separately investigated subject to the non-adhesive and adhesive surface conditions. The explicit solutions of the interface mismatch eigenstrain for non-slipping contacts with symmetrical indenter profiles are obtained. These results provide the foundation for improved precision contact deformation modelling at different scales.

Original languageEnglish
Article number111760
JournalInternational Journal of Solids and Structures
DOIs
Publication statusAccepted/In press - 2022
Externally publishedYes

Keywords

  • Contact mechanics
  • Interface mismatch eigenstrain
  • Non-slipping contact
  • Symmetric profile

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