The values of residual stresses resulting from a heavily stressed contact are numerically evaluated by employing a three-dimensional strain deformation analysis model. The model is developed in the frame of the incremental theory of plasticity including the von Mises yield criterion, Prandtl-Reuss equations, and Ramberg-Osgood stress-strain equation. Two groups of cylindrical specimens were subjected to rolling contact fatigue, one as the reference group and the other with an induced residual stresses state. To obtain theoretical lives of the tested groups the von Mises equivalent stress is used in Ioannides-Harris rolling contact fatigue model. Both, the experimental data and theoretical analysis reveal more than two times greater fatigue life for the group with induced residual stresses versus the life of the reference group.
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ASME/STLE 2007 International Joint Tribology Conference
October 22–24, 2007
San Diego, California, USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4810-8
PROCEEDINGS PAPER
Analysis of Residual Stresses Impact on Fatigue Life of Rolling Contacts Available to Purchase
S. Cretu,
S. Cretu
Technical University of Iasi, Iasi, Romania
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M. Benchea
M. Benchea
Technical University of Iasi, Iasi, Romania
Search for other works by this author on:
S. Cretu
Technical University of Iasi, Iasi, Romania
M. Benchea
Technical University of Iasi, Iasi, Romania
Paper No:
IJTC2007-44399, pp. 609-611; 3 pages
Published Online:
March 23, 2009
Citation
Cretu, S, & Benchea, M. "Analysis of Residual Stresses Impact on Fatigue Life of Rolling Contacts." Proceedings of the ASME/STLE 2007 International Joint Tribology Conference. ASME/STLE 2007 International Joint Tribology Conference, Parts A and B. San Diego, California, USA. October 22–24, 2007. pp. 609-611. ASME. https://doi.org/10.1115/IJTC2007-44399
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