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TECHNICAL PAPERS

Three-Dimensional Finite Element Analysis of Elastic-Plastic Layered Media Under Thermomechanical Surface Loading

[+] Author and Article Information
N. Ye, K. Komvopoulos

Department of Mechanical Engineering, University of California, Berkeley, CA 94720

J. Tribol 125(1), 52-59 (Dec 31, 2002) (8 pages) doi:10.1115/1.1497360 History: Received January 29, 2001; Revised May 22, 2002; Online December 31, 2002
Copyright © 2003 by ASME
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References

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Kennedy,  F. E., and Ling,  F. F., 1974, “Thermal, Thermoelastic, and Wear Simulation of a High-Energy Sliding Contact Problem,” ASME J. Lubr. Technol., 96, pp. 497–507.
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Figures

Grahic Jump Location
Cross section (x=0) of three-dimensional finite element mesh used in the thermomechanical sliding contact simulations
Grahic Jump Location
Comparison of finite element and analytical results for (a) σxx, (b) σyy, and (c) σzz stresses at the surface of an elastic homogeneous medium indented by a rigid sphere
Grahic Jump Location
Evolution of temperature at the surface of an elastic homogeneous medium in sliding contact with an elastic sphere (η=1, μ=0.5, and Pe=30)
Grahic Jump Location
Variation of (a) maximum contact pressure and (b) contact radius with maximum temperature at the surface of an elastic-plastic homogeneous medium in sliding contact with an elastic sphere (η=1, μ=0.5, and Pe=30). (Subscript i denotes indentation.)
Grahic Jump Location
Comparison of thermomechanical (η=1) and mechanical (η=0) simulation results for an elastic-plastic homogeneous medium in sliding contact with an elastic sphere (μ=0.5 and Pe=30): (a) von Mises equivalent stress distribution at the surface and (b) evolution of maximum von Mises equivalent stress. (The maximum von Mises equivalent stress due to indentation (t/t0=0) and sliding (t/t0>0) occurs in the subsurface and surface, respectively.)
Grahic Jump Location
Evolution of temperature at the (a) surface (y/h=0) and (b) interface (y/h=−1) of an elastic-plastic layered medium with layer thickness h/R=0.1 and thermal conductivity kL=5.2 W/m⋅K in sliding contact with an elastic sphere (η=1, μ=0.5, and PeL=0.29)
Grahic Jump Location
Effect of Peclet number on maximum temperature at (a) surface (y/h=0) and (b) interface (y/h=−1) of an elastic-plastic layered medium with layer thickness h/R=0.02 in sliding contact with an elastic sphere (η=1 and μ=0.5)
Grahic Jump Location
Effect of layer thickness on maximum temperature at (a) surface (y/h=0) and (b) interface (y/h=−1) of an elastic-plastic layered medium with layer thermal conductivity kL=5.2 W/m⋅K in sliding contact with an elastic sphere (η=1, μ=0.5, and PeL≃0.3)
Grahic Jump Location
Evolution of (a) maximum von Mises equivalent stress and (b) maximum first principal stress in the layer of an elastic-plastic layered medium with layer thickness h/R=0.02, 0.05, and 0.1 and thermal conductivity kL=5.2 W/m⋅K in sliding contact with an elastic sphere (η=1, μ=0.5, and PeL≃0.3). (Open and filled symbols denote the layer surface and interface, respectively.)
Grahic Jump Location
Evolution of (a) maximum equivalent plastic strain and (b) maximum first principal stress in the substrate of an elastic-plastic layered medium with layer thickness h/R=0.02, 0.05, and 0.1 and thermal conductivity kL=5.2 W/m⋅K in sliding contact with an elastic sphere (η=1, μ=0.5, and PeL≃0.3). (Open and filled symbols denote the bulk and interface of the substrate, respectively.)

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