Surface Normal Thermoelastic Displacement in Moving Rough Contacts

[+] Author and Article Information
Shuangbiao Liu, Qian Wang

Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208

Stephen J. Harris

Physical and Environmental Science Dept, MD #3083, Ford Motor Company, Dearborn, MI 48121

J. Tribol 125(4), 862-868 (Sep 25, 2003) (7 pages) doi:10.1115/1.1574517 History: Received July 30, 2002; Revised January 28, 2003; Online September 25, 2003
Copyright © 2003 by ASME
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Thermoelastic displacements (−1000 u3). The intermittent heat source is determined by the pressure in Fig. 5.
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The intermittent pressure distribution normalized by the pressure limit of 1.8GPa. (r=0.07)
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Thermoelastic displacements (−1000 u3). The heat source has a longitudinal irregular distribution.
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Thermoelastic displacements (−1000 u3). The transverse heat source is corresponding to the pressure distribution shown in Fig. 2(a)
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A moving half-space with an irregularly distributed heat source. The heat source applied on the surface (x1,x2,0) causes temperature rise at (ξ123) all over the body, and the temperature field simultaneously lead to the normal displacement in the surface (x1,x2,0)
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(a) The pressure distribution obtained from a counterformal contact analysis 21 (normalized by a pressure limit of 1.8GPa); and (b) the elastic displacement (1000 u3) (maximum: 2.67e-3).




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