Plastic deformation and contact area of an elastic-plastic contact of ellipsoid bodies after unloading

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Abstract

This paper presents theoretical and experimental results of the residual or plastic deformation and the plastic contact area of an elastic–plastic contact of ellipsoid bodies after unloading. There are three regime responses of the deformation and contact area: elastic, elastic–plastic and fully plastic. Experimental investigation is presented in order to validate the proposed model. A new technique is introduced to measure the plastic deformation and plastic contact area. Very good correlation is found between the theoretical prediction and the experimental results.
Original languageUndefined
Pages (from-to)1311-1318
JournalTribology international
Volume40
Issue number8
DOIs
Publication statusPublished - 2007

Keywords

  • Asperity
  • Contact mechanics
  • IR-78874
  • Elliptic contact
  • Unloading
  • Plastic deformation
  • METIS-245108

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