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Article

Contact Analyses for Bodies With Frictional Heating and Plastic Behavior

[+] Author and Article Information
Vincent Boucly, Daniel Nélias

LaMCoS, UMR CNRS 5514, INSA Lyon, 69621 Villeurbanne Cedex, France

Shuangbiao Liu, Q. Jane Wang, Leon M. Keer

Northwestern University, Department of Mechanical Engineering, 2145 Sheridan Rd., Evanston, IL 60208

J. Tribol 127(2), 355-364 (Apr 07, 2005) (10 pages) doi:10.1115/1.1843851 History: Received May 07, 2004; Revised September 22, 2004; Online April 07, 2005
Copyright © 2005 by ASME
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Figures

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Magnitude of the equivalent plastic strain versus the equivalent Hertz contact pressure normalized by the yield stress
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(a) Evolution of the critical contact pressure (elastic limit pressure) versus the heat factor. (b) Depth of the point where the von Mises stress is found maximum versus the heat factor, at the onset of yielding as presented in (a). (c) Radial position of the point where the von Mises stress is found maximum versus the heat factor, at the onset of yielding as presented in (a).
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Thermo-elastic–plastic analysis: Evolution of the pressure distribution with the heat factor (Qf=0, 0.075, 0.15, 0.225, and 0.3 m/s). Plot with “+” symbol denotes the Hertz solution (Qf=0 m/s). Load: 140 N.
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Von Mises Stress (MPa) for the elastic case (plane y=0)
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Von Mises Stress (MPa) for the elastic–plastic case (plane y=0)
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Von Mises Stress (MPa) in the plane y=0 for the thermo-elastic case (a) Qf=0.05 m/s, (b) Qf=0.12 m/s, (c) Qf=0.20 m/s
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Von Mises Stress (MPa) in the plane y=0 for the thermo-elastic–plastic case (a) Qf=0.05 m/s, (b) Qf=0.12 m/s, (c) Qf=0.20 m/s
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Thermo-elastic–plastic contact problem resolution algorithm
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Comparison between the pressure distribution with elastic, elastic–plastic, thermo-elastic, and thermo-elastic–plastic analyses (a) W=1500 N,Qf=0.20 m/s; (b) W=7500 N,Qf=0.05 m/s

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