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Hydrogen-Assisted Rolling-Contact Fatigue of Wind Turbines Bearings

Publisher: Trans Tech Publications

E-ISSN: 1662-9795|2014|627|157-160

ISSN: 1013-9826

Source: Key Engineering Materials, Vol.2014, Iss.627, 2015-01, pp. : 157-160

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Abstract

This work analyses the effects of hydrogen-assisted rolling-contact fatigue on bearings of wind turbines. To this end, the well-known ball-on-rod test to evaluate the resistance to rolling-contact fatigue was simulated by the finite element method for obtaining the stress-strain state undergone by the bearings considering their in-service conditions. Results of this paper allow a simple estimation of the hydrogen amount in potential damage zones of the specimen.