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Thermo-Mechanical Contact and Micro-Wear in Head Disk Interface

[+] Author Affiliations
Sungae Lee, Chang-Dong Yeo

Texas Tech University, Lubbock, TX

Paper No. IJTC2011-61059, pp. 317-319; 3 pages
doi:10.1115/IJTC2011-61059
From:
  • ASME/STLE 2011 International Joint Tribology Conference
  • ASME/STLE 2011 Joint Tribology Conference
  • Los Angeles, California, USA, Oct 24–26, 2011
  • ISBN: 978-0-7918-5474-7
  • Copyright © 2011 by ASME

abstract

Thermo-mechanical contact and micro-wear of head disk interface (HDI) are investigated using the improved HDI contact model and theories of frictional heat generation and heat transfer. In analytical simulations, dynamic contact parameters such as material properties, sliding velocity, and surface interference are based on actual HDI design and operation. The resulting contact pressure and temperature distribution show that the micro-wear on the carbon film of a head slider would be significantly attributed to the degradation of carbon material caused by frictional heat generation during sliding contact.

Copyright © 2011 by ASME
Topics: Wear , Disks

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