IBM Journal of Research and Development
IBM Skip to main content
  Home     Products & services     Support & downloads     My account  

  Select a country  
Journals Home  
  Systems Journal  
Journal of Research
and Development
    Current Issue  
    Recent Issues  
    Papers in Progress  
    Search/Index  
    Orders  
    Description  
    Patents  
    Recent publications  
    Author's Guide  
  Staff  
  Contact Us  
  Related links:  
     IBM Research  

IBM Journal of Research and Development  
Volume 15, Number 2, Page 116 (1971)
Mechanics of Materials
  Full article: arrowPDF   arrowCopyright info





   

Adhesion and Partial Slip between Normally Loaded Round Surfaces

by P. A. Engel, H. D. Conway
A simple mechanism is sought to account for the frictional energy losses encountered in the mutual contact surface of two bodies pressed normally against each other. The mathematical model of Coulomb friction is assumed valid, and it is shown that slip between the contacting surfaces develops in the outlying regions of contact. This model, used in conjunction with a numerical scheme, leads to a set of nonlinear simultaneous algebraic equations in the surface tractions. Two specific cases are computed: those of a rigid sphere and of a rigid roller each pressed against an elastic medium. The relative size of the slip region is shown to depend on the material properties. Energy dissipation during a half contact cycle is calculated, and the influence of the secondary adhesive tractions on the contact stresses is discussed.
Related Subjects: Materials; Mathematics (applied); Mechanics and mechanisms