An updated review: white etching cracks (WECs) and axial cracks in wind turbine gearbox bearings

MH Evans - Materials Science and Technology, 2016 - journals.sagepub.com
The actual service life of wind turbine gearboxes is often well below the desired 20 years.
One of the prevalent failure modes in gearbox bearing raceways is white structure flaking …

Carbide-facilitated nanocrystallization of martensitic laths and carbide deformation in AISI 420 stainless steel during laser shock peening

C Wang, K Luo, J Wang, J Lu - International Journal of Plasticity, 2022 - Elsevier
Severe plastic deformation (SPD) techniques such as laser shock peening (LSP) have been
widely adopted to modify microstructure of materials. Understanding the plastic deformation …

Hierarchical microstructure based crystal plasticity-continuum damage mechanics approach: Model development and validation of rolling contact fatigue behavior

J Park, K Lee, JH Kang, JY Kang, SH Hong… - International Journal of …, 2021 - Elsevier
A microstructure-based integrated crystal plasticity (CP) and continuum damage mechanics
(CDM) model is proposed for simulating rolling contact fatigue (RCF). The damage process …

[HTML][HTML] Rolling Contact Fatigue-Related Microstructural Alterations in Bearing Steels: A Brief Review

H Yin, Y Wu, D Liu, P Zhang, G Zhang, H Fu - Metals, 2022 - mdpi.com
Bearings are vital components that are widely used in modern machinery. Although usually
manufactured with high-strength steels, bearings still suffer from rolling contact fatigue …

Confirming subsurface initiation at non-metallic inclusions as one mechanism for white etching crack (WEC) formation

MH Evans, AD Richardson, L Wang, RJK Wood… - Tribology …, 2014 - Elsevier
White etching crack (WEC) formation beneath the contact surface in steel rolling element
bearings causes a premature wear failure mode called white structure flaking (WSF). The …

Atomic-scale insights into damage mechanisms of GGr15 bearing steel under cyclic shear fatigue

QS **a, DP Hua, Q Zhou, YR Shi, XT Deng… - Acta Metallurgica Sinica …, 2024 - Springer
Alternating shear stress is a critical factor in the accumulation of damage during rolling
contact fatigue, severely limiting the service life of bearings. However, the specific …

Mechanism of cementite decomposition in 100Cr6 bearing steels during high pressure torsion

Y Qin, D Mayweg, PY Tung, R Pippan, M Herbig - Acta Materialia, 2020 - Elsevier
Severe plastic deformation leads to cementite decomposition in pearlitic and martensitic
alloys, resulting in high-strength nanocrystalline ferrite. This effect can be employed to …

Investigating the process of white etching crack initiation in bearing steel

B Gould, A Greco - Tribology Letters, 2016 - Springer
White etching cracks (WECs) have been identified as a dominant mode of premature failure
within wind turbine gearbox bearings. Though WECs have been reported in the field for over …

The influence of sliding and contact severity on the generation of white etching cracks

B Gould, A Greco - Tribology Letters, 2015 - Springer
White etching cracks (WECs) have been identified as the dominant mechanism of premature
failure for bearings within wind turbine gearboxes. Though WECs have been observed in …

[HTML][HTML] Microstructural changes in white etching cracks (WECs) and their relationship with those in dark etching region (DER) and white etching bands (WEBs) due to …

V Šmeļova, A Schwedt, L Wang, W Holweger… - International Journal of …, 2017 - Elsevier
Substantial microstructural changes, such as Dark Etching Region (DER), White Etching
Bands (WEBs) and White Etching Cracks (WECs), can occur in typical bearing steels such …