The stress field within machine components is an important indicator for contact failures. Since both thermal stresses due to frictional heating and plasticity are significant in engineering application, it is critical to predict the total stress field. In this work, the steady-state thermal effect is considered and a thermo-elastic–plastic contact model is developed. The model is applicable for rolling and/or sliding contact problem, as far as small equivalent plastic strain hypothesis is respected. Influence coefficients for surface normal displacement, temperature, and strain and stress tensors are used with the discrete convolution and fast Fourier transform algorithm. The single-loop conjugate gradient iteration scheme is also applied to achieve fast convergence speed. Simulations are presented for several academic examples ranging from elastic to thermo-elastic–plastic. The thermo-elastic–plastic analyses show that the heat factor in a contact situation has significant effect not only on the critical Hertzian pressure and on the pressure distribution, but also on the magnitude and depth of the maximum von Mises stress during loading and the residual ones found after unloading.
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April 2005
Article
Contact Analyses for Bodies With Frictional Heating and Plastic Behavior
Vincent Boucly,
Vincent Boucly
LaMCoS, UMR CNRS 5514, INSA Lyon, 69621 Villeurbanne Cedex, France
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Daniel Ne´lias,
Daniel Ne´lias
LaMCoS, UMR CNRS 5514, INSA Lyon, 69621 Villeurbanne Cedex, France
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Shuangbiao Liu,
Shuangbiao Liu
Northwestern University, Department of Mechanical Engineering, 2145 Sheridan Rd., Evanston, IL 60208
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Q. Jane Wang,
Q. Jane Wang
Northwestern University, Department of Mechanical Engineering, 2145 Sheridan Rd., Evanston, IL 60208
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Leon M. Keer
Leon M. Keer
Northwestern University, Department of Mechanical Engineering, 2145 Sheridan Rd., Evanston, IL 60208
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Vincent Boucly
LaMCoS, UMR CNRS 5514, INSA Lyon, 69621 Villeurbanne Cedex, France
Daniel Ne´lias
LaMCoS, UMR CNRS 5514, INSA Lyon, 69621 Villeurbanne Cedex, France
Shuangbiao Liu
Northwestern University, Department of Mechanical Engineering, 2145 Sheridan Rd., Evanston, IL 60208
Q. Jane Wang
Northwestern University, Department of Mechanical Engineering, 2145 Sheridan Rd., Evanston, IL 60208
Leon M. Keer
Northwestern University, Department of Mechanical Engineering, 2145 Sheridan Rd., Evanston, IL 60208
Contributed by the Tribology Division for publication in the ASME JOURNAL OF TRIBOLOGY. Manuscript received by the Tribology Division May 7, 2004; revised manuscript received September 22, 2004. Review conducted by: L. Chang.
J. Tribol. Apr 2005, 127(2): 355-364 (10 pages)
Published Online: April 7, 2005
Article history
Received:
May 7, 2004
Revised:
September 22, 2004
Online:
April 7, 2005
Citation
Boucly , V., Ne´lias, D., Liu , S., Wang , Q. J., and Keer, L. M. (April 7, 2005). "Contact Analyses for Bodies With Frictional Heating and Plastic Behavior ." ASME. J. Tribol. April 2005; 127(2): 355–364. https://doi.org/10.1115/1.1843851
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