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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 42
Edited by: B.H.V. Topping
Paper I.4

Numerical Simulation of the Fatigue Process in the Contact Area of Spur Gears

S. Glodez, J. Flasker and Z. Ren

Faculty of Mechanical Engineering, University of Maribor, Maribor, Slovenia

Full Bibliographic Reference for this paper
S. Glodez, J. Flasker, Z. Ren, "Numerical Simulation of the Fatigue Process in the Contact Area of Spur Gears", in B.H.V. Topping, (Editor), "Advances in Computational Methods for Simulation", Civil-Comp Press, Edinburgh, UK, pp 27-33, 1996. doi:10.4203/ccp.42.1.4
The paper presents a new model for simulation of the fatigue process in the contact area of spur gears. The model considers the conditions required for the fatigue crack initiation and then allows for proper simulation of the fatigue crack propagation. The process of the fatigue crack initiation is based on the theory of microcrack initiation along inclusion interfaces. The theory of short crack growth is used for simulation of the fatigue crack propagation from the initial to the critical crack length, when the occurrence of surface pitting is expected. The developed model is applied to the real spur gear pair, which is also experimentally tested. The comparison of numerical and experimental results shows a good agreement.

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