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Transient Thermomechanical Contact Between a Sphere and a Moving Flat

[+] Author Affiliations
Andrey Ovcharenko, Frank E. Talke

University of California, San Diego, San Diego, CA

Min Yang, Kaynam Chun

Western Digital Corp., San Jose, CA

Paper No. IJTC2009-15124, pp. 411-413; 3 pages
doi:10.1115/IJTC2009-15124
From:
  • ASME/STLE 2009 International Joint Tribology Conference
  • ASME/STLE 2009 International Joint Tribology Conference
  • Memphis, Tennessee, USA, October 19–21, 2009
  • Conference Sponsors: Tribology Division
  • ISBN: 978-0-7918-4895-1 | eISBN: 978-0-7918-3862-4
  • Copyright © 2009 by ASME

abstract

Transient thermo-mechanical contact between a sphere and a moving flat is investigated using finite element analysis. Both the sphere and the flat are treated as elastic plastic bodies with isotropic hardening. Friction is related to heat generation at the contact interface. Strain and temperature distributions of the contacting bodies are obtained. For conditions corresponding to contact between a slider and a disk in a hard disk drive, plastic deformation and high temperatures are found to occur at the interface.

Copyright © 2009 by ASME

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