Tribological challenges and advancements in wind turbine bearings: A review

A Dhanola, HC Garg - Engineering Failure Analysis, 2020 - Elsevier
The power generation from wind farms is growing very fast all over the world, and wind
energy is now playing the most significant role to aid sustainable development since the last …

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

FJ López-Uruñuela, B Fernández-Díaz… - International Journal of …, 2021 - Elsevier
Subsurface crack networks surrounded by microstructural alterations, named as “White
Etching Cracks”(WEC), lead to wind turbine gearbox bearing (WTGB) premature failures …

[HTML][HTML] The origins of white etching cracks and their significance to rolling bearing failures

F Manieri, K Stadler, GE Morales-Espejel… - International Journal of …, 2019 - Elsevier
Presence of white etching cracks has been widely associated with early failures of rolling
bearings in a number of applications, with wind turbine gearbox bearings being the most …

The evolution of white etching cracks (WECs) in rolling contact fatigue-tested 100Cr6 steel

AD Richardson, MH Evans, L Wang, RJK Wood… - Tribology Letters, 2018 - Springer
The formation of white etching cracks (WECs) in steel rolling element bearings can lead to
the premature rolling contact fatigue (RCF) failure mode called white structure flaking …

The effect of lubricant composition on white etching crack failures

B Gould, NG Demas, G Pollard, JJ Rydel, M Ingram… - Tribology letters, 2019 - Springer
White etching cracks (WECs) are the dominant mode of failure for wind turbine gearbox
bearings. These failures are characterized by subsurface initiation and local region of …

Formation of white etching areas in SAE 52100 bearing steel under rolling contact fatigue–Influence of diffusible hydrogen

M Oezel, A Schwedt, T Janitzky, R Kelley… - Wear, 2018 - Elsevier
White etching cracks (WECs) have been studied over the last decades as a common cause
for premature failure of roller bearings in various applications. As a consequence of the non …

Formation of White Etching Cracks under electrical current flow-Influence of load, slip and polarity

F Steinweg, A Mikitisin, M Oezel, A Schwedt, T Janitzky… - Wear, 2022 - Elsevier
Abstract White Etching Cracks (WEC) are currently discussed as a common cause for
premature failure of roller bearings in various applications. The formation mechanism of …

A Study on Decisive Early Stages in White Etching Crack Formation Induced by Lubrication

J Wranik, W Holweger, T Lutz, P Albrecht, B Reichel… - Lubricants, 2022 - mdpi.com
The reliability of rolling bearings is affected by white etching crack (WEC) or white structure
flaking (WSF) failures, causing tremendous commercial burdens for bearing manufacturers …

A study on the initiation processes of white etching cracks (WECs) in AISI 52100 bearing steel

J Spille, J Wranik, S Barteldes, J Mayer, A Schwedt… - Wear, 2021 - Elsevier
The life cycle of any drive train is given by the reliability of its individual components, eg,
bearings, gears, and their connections. Lubrication as a part prevents wear caused by …

Effect of lubricants on bearing damage in rolling-sliding conditions: Evolution of white etching cracks

M Paladugu, DR Lucas, RS Hyde - Wear, 2018 - Elsevier
To understand the role of lubricants in generating white etching cracks (WECs), cylindrical
roller thrust bearings were life-tested in different oils in rolling-sliding conditions. The …