Broad review of “White Etching Crack” failure in wind turbine gearbox bearings: Main factors and experimental investigations

•White Etching Crack is a premature failure in wind turbine rolling bearings.•Hydrogen, sliding contact and inclusions could act as main WEC drivers.•Electrical currents, temperature and high stresses act as accelerating WEC drivers.•DER, WEB and butterflies are microstructural changes different fro...

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Veröffentlicht in:	International journal of fatigue 2021-04, Vol.145, p.106091, Article 106091
Hauptverfasser:	López-Uruñuela, Fernando José, Fernández-Díaz, Beatriz, Pagano, Francesco, López-Ortega, Ainara, Pinedo, Bihotz, Bayón, Raquel, Aguirrebeitia, Josu
Format:	Artikel
Sprache:	eng
Schlagworte:	Etching Gearboxes Heat treatment Hydrogen Materials fatigue Microstructural alterations Non-metallic Inclusions Nonmetallic inclusions Rolling element bearings Sliding/rolling contacts White etching crack Wind turbines
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