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Article Dans Une Revue Wear Année : 2016

An experimental and theoretical study of surface rolling contact fatigue damage progression in hybrid bearings with artificial dents

Charlotte Vieillard
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Y Kadin
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Antonio Gabelli
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Résumé

An experimental study followed by modeling is carried out for pre-dented hybrid rolling bearings to observe the raceway surface damage evolution and to try to understand its behavior.The experiments and modeling are repeated in similar all-steel bearings and conditions for comparison purposes.The results show that hybrid bearings tend to re-accommodate the dent raised edges on the steel surface by mild wear and plastic deformation and this stabilizes the local pressures much faster than all-steel bearings. Followed by a lower boundary friction coefficient, when the lubricated oil is broken by the surface features, hybrid bearings give still longer dent lives than the all-steel bearings, even though the conditions are at equal bearing load (which means higher stresses in the hybrid bearings).
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Dates et versions

hal-01435559 , version 1 (14-01-2017)

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Charlotte Vieillard, Y Kadin, Guillermo E. Morales-Espejel, Antonio Gabelli. An experimental and theoretical study of surface rolling contact fatigue damage progression in hybrid bearings with artificial dents. Wear, 2016, 364-365, pp.211-223. ⟨10.1016/j.wear.2016.07.016⟩. ⟨hal-01435559⟩
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