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 …
Etching Cracks”(WEC), lead to wind turbine gearbox bearing (WTGB) premature failures …
A review of fatigue failure and structural design of main bearings in tunnel boring machines based on engineering practical examples
A large-scale tunnel boring machine (TBM) is currently the most advanced equipment for
underground tunnel excavation. The main bearing, carrying all the load and moment from …
underground tunnel excavation. The main bearing, carrying all the load and moment from …
The evolution of white etching cracks (WECs) in rolling contact fatigue-tested 100Cr6 steel
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 premature rolling contact fatigue (RCF) failure mode called white structure flaking …
Moving cracks form white etching areas during rolling contact fatigue in bearings
L Morsdorf, D Mayweg, Y Li, A Diederichs… - Materials Science and …, 2020 - Elsevier
White etching cracks (WECs) and the associated white etching areas (WEAs) are
responsible for failure of widely spread engineering applications such as bearings and …
responsible for failure of widely spread engineering applications such as bearings and …
The effect of electrical current on premature failures and microstructural degradation in bearing steel
Premature failures associated with microstructural degradation, ie white etching cracks
(WECS), are becoming commonplace as applications are requiring tribological components …
(WECS), are becoming commonplace as applications are requiring tribological components …
The role of carbon in the white etching crack phenomenon in bearing steels
Since white etching crack (WEC) phenomena primarily occur in high carbon steels, we
elucidate the role of carbon in this failure mechanism in bearings. The nano-crystalline …
elucidate the role of carbon in this failure mechanism in bearings. The nano-crystalline …
The effect of lubricant composition on white etching crack failures
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 …
bearings. These failures are characterized by subsurface initiation and local region of …
Initiation of sub-surface micro-cracks and white etching areas from debonding at non-metallic inclusions in wind turbine gearbox bearing
In this study, a failed planetary bearing from a wind turbine gearbox was destructively
examined to investigate the initiation of micro-cracks and butterflies at non-metallic …
examined to investigate the initiation of micro-cracks and butterflies at non-metallic …
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 …
roller thrust bearings were life-tested in different oils in rolling-sliding conditions. The …
Correlation between grain size and carbon content in white etching areas in bearings
Premature failure of bearings during rolling contact fatigue is often associated with the
formation of white etching cracks (WECs). Crack surface rubbing of WECs transforms the …
formation of white etching cracks (WECs). Crack surface rubbing of WECs transforms the …