Paper Title:
Influence of Different Sliding Velocity on the Thermo-Mechanical Coupling of the Rough Surface Contact
  Abstract

Sliding velocity has a direct impact on friction heat and contact situation. Frictional heating and associated temperature seriously affects the material chemical and physical - mechanical properties, and is one of the direct factors on the wear mechanism. To analyze the influence of the sliding speed on the maximum contact temperature, contact pressure, stress, etc, a 3D thermo-mechanical coupling model for the rough surface frictional sliding is established. The rough surface is characterized based on fractal theory. The model considers friction contact between an elastic flat plane and an elasto-plastic rough surface. Also, the model integrates the heat flux coupling between the sliding surfaces and allows the analysis of the effects of elastic-plastic deformation of rough body and the interplay among asperities. The numerical results from the analysis and simulation show that the maximum contact temperature increases with the increasing of the sliding velocity. But the maximum VonMises equivalent stress and the maximum contact pressure have few relationships with sliding speed. They may increase or reduce with the sliding velocity increasing. Some results are validated by research’s results available in the literature.

  Info
Periodical
Edited by
Honghua Tan
Pages
332-336
DOI
10.4028/www.scientific.net/AMM.29-32.332
Citation
C. H. Gao, J. M. Huang, L. Dai, "Influence of Different Sliding Velocity on the Thermo-Mechanical Coupling of the Rough Surface Contact", Applied Mechanics and Materials, Vols. 29-32, pp. 332-336, 2010
Online since
August 2010
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