Broad review of “White Etching Crack” failure in wind turbine gearbox bearings: Main factors and experimental investigations
Source abstract
Abstract
Abstract Subsurface crack networks surrounded by microstructural alterations, named as “White Etching Cracks” (WEC), lead to wind turbine gearbox bearing (WTGB) premature failures. This phenomenon has been studied for decades without yet reaching a sturdy and justified cause of its occurrence. This paper reviews the most recent literature regarding WEC discussing steel microstructural alterations, WEC initiation modes, main WEC drivers, experimental procedures, as well as the influence of coatings and heat treatments on the occurrence of this phenomenon. A broad insight of the effect of each driver in WEC formation is presented and an undisclosed hypothesis related to WEC initiation is suggested. From this work it may be concluded that in the majority of the tests where WEC has been generated, three drivers usually appear and act synergistically: non-metallic inclusions, sliding and hydrogen.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Mechanical stress and fatigue analysis · Hydrogen embrittlement and corrosion behaviors in metals · Corrosion Behavior and Inhibition
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (100+)
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1. GLOBAL WIND REPORT - Annual Market Update 2017
2. Offshore Wind in Europe
3. Sheng SS. Report on Wind Turbine Subsystem Reliability ─ A Survey of Various Databases. Natl Renew Energy Lab (NREL), Golden, CO, 2013, Tech Rep 2013.
4. The gearbox repair market continues to grow
5. A review of failure modes, condition monitoring and fault diagnosis methods for large-scale wind turbine bearings
6. Tribological analysis of White Etching Crack (WEC) failures in rolling element bearings
7. The origins of white etching cracks and their significance to rolling bearing failures10.1016/j.ijfatigue.2018.10.023 ↗
8. An updated review: white etching cracks (WECs) and axial cracks in wind turbine gearbox bearings10.1080/02670836.2015.1133022 ↗
9. White etching crack (WEC) investigation by serial sectioning, focused ion beam and 3-D crack modelling10.1016/j.triboint.2013.03.022 ↗
10. Effect of hydrogen on butterfly and white etching crack (WEC) formation under rolling contact fatigue (RCF)10.1016/j.wear.2013.03.008 ↗
11. The Evolution of White Etching Cracks (WECs) in Rolling Contact Fatigue-Tested 100Cr6 Steel
12. Characterisation of white etching crack damage in wind turbine gearbox bearings10.1016/j.wear.2015.06.008 ↗
13. A FIB/TEM study of butterfly crack formation and white etching area (WEA) microstructural changes under rolling contact fatigue in 100Cr6 bearing steel10.1016/j.msea.2013.02.004 ↗
14. Martin-Halfdan Evans. White Structure Flaking Failure In Bearings Under Rolling Contact Fatigue (PhD Thesis) 2013:203.
15. Application of Complementary Techniques for Advanced Characterization of White Etching Cracks
16. EBSD investigation of the crack initiation and TEM/FIB analyses of the microstructural changes around the cracks formed under Rolling Contact Fatigue (RCF)10.1016/j.ijfatigue.2009.07.002 ↗
17. Rolling contact fatigue and fracture toughness of rolling element bearing materials
18. Effect of lubricants on bearing damage in rolling-sliding conditions: Evolution of white etching cracks10.1016/j.wear.2017.12.001 ↗
19. Lubricant Effects on White Etching Cracking Failures in Thrust Bearing Rig Tests10.1080/10402004.2018.1453571 ↗
20. The Effect of Lubricant Composition on White Etching Crack Failures
21. The effect of over-based calcium sulfonate detergent additives on white etching crack (WEC) formation in rolling contact fatigue tested 100Cr6 steel10.1016/j.triboint.2019.01.005 ↗
22. Reproduction of white etching cracks under rolling contact loading on thrust bearing and two-disc test rigs
23. Hydrogen assisted rolling contact fatigue due to lubricant degradation and formation of white etching areas10.1016/j.engfailanal.2019.02.030 ↗
24. The Antagonism between succinimide dispersants and a secondary zinc dialkyl dithiophosphate10.1080/10402004.2013.845275 ↗
25. Film Forming and Friction Properties of Overbased Calcium Sulphonate Detergents10.1007/s11249-007-9279-9 ↗
26. Confirming subsurface initiation at non-metallic inclusions as one mechanism for white etching crack (WEC) formation10.1016/j.triboint.2014.03.012 ↗
27. T. Bruce, H. Long*, T. Slatter RSD-J. Formation of white etching cracks at manganese sulphide (MnS) inclusions in bearing steel due to hammering impact loading. Wind Energy 2016:1–20. doi:10.1002/we.10.1002/we.1958 ↗
28. The influence of steel microstructure and inclusion characteristics on the formation of premature bearing failures with microstructural alterations10.1016/j.msea.2019.02.084 ↗
29. Multiscale characterization of White Etching Cracks (WEC) in a 100Cr6 bearing from a thrust bearing test rig10.1016/j.wear.2016.11.016 ↗
30. White Etching Cracking—Simulation in Bearing Rig and Bench Tests10.1080/10402004.2017.1339839 ↗
31. Influence of raceway surface finish on white etching crack generation in WEC critical oil under rolling-sliding conditions10.1016/j.wear.2019.01.051 ↗
32. Troubleshooting wind gearbox problems
33. Research work for clarifying the mechanism of white structure flaking and extending the life of bearings10.4271/2005-01-1868 ↗
34. Influence of Currents from Electrostatic Charges on WEC Formation in Rolling Bearings10.1080/10402004.2015.1118582 ↗
35. Investigation on the mechanisms of white etching crack (WEC) formation in rolling contact fatigue and identification of a root cause for bearing premature failure10.1016/j.wear.2016.08.001 ↗
36. Barnoush a. Hydrogen embrittlement , revisited by in situ electrochemical nanoindentation 2007:288.
37. HYDROGEN IN METALS: Microstructural Aspects10.1146/annurev.matsci.36.090804.094451 ↗
38. Microstructural evolution in bearing steel under rolling contact fatigue10.1016/j.wear.2017.03.018 ↗
39. Microstructure deformation and white etching matter formation along cracks10.1016/j.wear.2017.08.014 ↗
40. Critical Assessment 13: Elimination of white etching matter in bearing steels10.1179/1743284715Y.0000000036 ↗
41. Microstructural Changes and Crack Initiation with White Etching Area Formation under Rolling/Sliding Contact in Bearing Steel10.2355/isijinternational.45.1897 ↗
42. Initiation of sub-surface micro-cracks and white etching areas from debonding at non-metallic inclusions in wind turbine gearbox bearing10.1016/j.wear.2018.03.008 ↗
43. Serial sectioning investigation of butterfly and white etching crack (WEC) formation in wind turbine gearbox bearings10.1016/j.wear.2012.12.031 ↗
44. Formation of white etching areas in SAE 52100 bearing steel under rolling contact fatigue – Influence of diffusible hydrogen10.1016/j.wear.2018.08.022 ↗
45. Evolution of white-etching cracks and associated microstructural alterations during bearing tests10.1080/02670836.2017.1310431 ↗
46. Energy dissipation at rubbing crack faces in rolling contact fatigue as the mechanism of white etching area formation10.1016/j.ijfatigue.2016.11.006 ↗
47. White-etching matter in bearing steel. Part II: Distinguishing cause and effect in bearing steel failure10.1007/s11661-014-2431-x ↗
48. Deformation-induced amorphization and austenitization in white etching area of a martensite bearing steel under rolling contact fatigue10.1016/j.ijfatigue.2017.08.022 ↗
49. Shear-induced α → γ transformation in nanoscale Fe–C composite10.1016/j.actamat.2005.11.034 ↗
50. Atomic scale characterization of white etching area and its adjacent matrix in a martensitic 100Cr6 bearing steel10.1016/j.matchar.2016.12.002 ↗
51. W. Solano(Alvareza HKDHB. White(etching matter in bearing steel Part1: Controlled(cracking of 52100 steel W. Metall Mater Tran 2014;45:4907–15.10.1007/s11661-014-2430-y ↗
52. Tribological Aspects of Rolling Bearing Failures
53. An analysis of premature cracking associated with microstructural alterations in an AISI 52100 failed wind turbine bearing using X-ray tomography10.1016/j.matdes.2016.12.089 ↗
54. White Etching Crack Root Cause Investigations10.1080/10402004.2014.942938 ↗
55. Atomic-scale intermixing, amorphization and microstructural development in a multicomponent system subjected to surface severe plastic deformation10.1016/j.actamat.2012.11.001 ↗
56. Predictive Gibbs-energy approach to crystalline/amorphous relative stability of nanoparticles: Size-effect calculations and experimental test10.1016/j.jallcom.2016.07.284 ↗
57. Surface damage on new AS60 rail caused by wheel slip10.1016/j.engfailanal.2012.01.002 ↗
58. Changes in microstructure, texture and residual stresses on the surface of a rail resulting from friction and wear10.1016/S0043-1648(01)00748-7 ↗
59. Amorphization in mechanically driven material systems10.1016/S1359-6462(03)00477-9 ↗
60. Peculiar Microstructure Formed by Rolling Contact Fatigue in Bearing Steels10.2355/tetsutohagane1955.84.5_351 ↗
61. Vegter RH, Slycke JT. The Role of Hydrogen on Rolling Contact Fatigue Response of Rolling Element Bearings. Bear Steel Technol Dev Roll Bear Steels Test 2010:201-201–17. doi:10.1520/stp49130s.10.1520/STP49130S ↗
62. Uyama H, Yamada H, Hidaka H, Mitamura N. The Effects of Hydrogen on Microstructural Change and Surface Originated Flaking in Rolling Contact Fatigue 2011;2:123–32. doi:10.2474/trol.6.123.10.2474/trol.6.123 ↗
63. The effect of hydrogen on dislocation dynamics10.1016/S0013-7944(99)00094-6 ↗
64. A quantum-mechanically informed continuum model of hydrogen embrittlement10.1016/j.jmps.2004.02.010 ↗
65. Soft novel form of white-etching matter and ductile failure of carbide-free bainitic steels under rolling contact stresses10.1016/j.actamat.2016.09.012 ↗
66. A unified theory for microstructural alterations in bearing steels under rolling contact fatigue10.1016/j.actamat.2018.05.056 ↗
67. Microstructural changes in White Etching Cracks (WECs) and their relationship with those in Dark Etching Region (DER) and White Etching Bands (WEBs) due to Rolling Contact Fatigue (RCF)10.1016/j.ijfatigue.2017.03.027 ↗
68. Grabulov A. Fundamentals of Rolling Contact Fatigue 2010:155.
69. Effects of plasticity on subsurface initiated spalling in rolling contact fatigue10.1016/j.ijfatigue.2011.08.012 ↗
70. Steels for bearings10.1016/j.pmatsci.2011.06.002 ↗
71. Kenred Stadler, Reinder H. Vegter DV. (WEC) 2018:1–13. http://evolution.skf.com/es/grietas-de-corrosion-blanca-por-ataque-acido-la-consecuencia-y-no-la-causa-raiz-de-fallas-en-los-rodamientos/.
72. Figure the impact of steel microstructure and heat treatment on the formation of white etching cracks10.1016/j.triboint.2019.02.003 ↗
73. T.B. Lund. T.B. Lund, Subsurface initiated rolling contact fatigue - influence of non-metallic inclusions, processing conditions, and operating conditions, J. ASTM Int., 7 (2010) 1-12 2010;7:2010.10.1520/JAI102559 ↗
74. Thermal Desorption Analysis of Hydrogen in Non-hydrogen-Charged Rolling Contact Fatigue-Tested 100Cr6 Steel10.1007/s11249-017-0947-0 ↗
75. Comprehensive analysis of effects of dynamic load frequency and hydrogenation to instigate White Etching Areas (WEAs) formation under severe sliding condition of bearing steel10.1016/j.triboint.2019.106131 ↗
76. Study on mechanism of hydrogen generation from lubricants10.1080/05698190500486324 ↗
77. Observation of Hydrogen Permeation into Fresh Bearing Steel Surface by Thermal Desorption Spectroscopy10.2474/trol.6.291 ↗
78. Material wear and fatigue in wind turbine Systems10.1016/j.wear.2013.01.060 ↗
79. The predominant role of strain-induced vacancies in hydrogen embrittlement of steels: Overview10.1016/j.actamat.2018.12.013 ↗
80. Unveiling the nature of hydrogen embrittlement in bearing steels employing a new technique10.1016/j.scriptamat.2012.11.018 ↗
81. Estudio de la difusión y fragilización por hidrógeno de un acero inoxidable súper dúplex
82. A classification of hydrogen traps in steel10.1007/BF02812023 ↗
83. Merlin D.Danford. Hydrogen Trapping and the Interaction. NASA Tech Pap 1987.
84. Development of a novel in-situ technique for hydrogen uptake evaluation from a lubricated tribocontact10.1016/j.triboint.2017.01.019 ↗
85. Reactions of octadecane and decoic acid with clean iron surfaces10.1016/0043-1648(71)90076-7 ↗
86. The effect of hydrogen on the rolling contact fatigue life of AISI 52100 and 440C steel balls10.1016/0043-1648(73)90207-X ↗
87. White structure flaking (WSF) in wind turbine gearbox bearings: effects of ‘butterflies’ and white etching cracks (WECs)10.1179/026708311X13135950699254 ↗
88. Effects of hydrogen on fatigue crack growth behavior of austenitic stainless steels10.1016/j.ijhydene.2008.02.067 ↗
89. Thermal desorption analysis of hydrogen in high strength martensitic steels10.1007/s11661-011-0909-3 ↗
90. The Effect of Lubricant Additives on Hydrogen Permeation Under Rolling Contact10.1007/s11249-017-0877-x ↗
91. In situ detection of hydrogen uptake from lubricated rubbing contacts10.2474/trol.11.450 ↗
92. WEC Formation in Rolling Bearings under Mixed Friction: Influences and “Friction Energy Accumulation” as Indicator10.1080/10402004.2016.1183250 ↗
93. Effects of Test Temperature on Internal Fatigue Crack Generation Associated with Nonmetallic Particles in Austenitic Steels10.1007/s11661-998-0209-8 ↗
94. Using advanced tomography techniques to investigate the development of White Etching Cracks in a prematurely failed field bearing10.1016/j.triboint.2017.07.028 ↗
95. Investigation of Microstructural Alterations in Low- and High-Speed Intermediate-Stage Wind Turbine Gearbox Bearings10.1007/s11249-017-0861-5 ↗
96. Finite element simulation of subsurface initiated damage from non-metallic inclusions in wind turbine gearbox bearings10.1016/j.ijfatigue.2019.105347 ↗
97. Electrical bearing failures in electric vehicles10.1007/s40544-019-0356-5 ↗
98. Boyanton H. Bearing Damage Due to Electrical Discharge (ED) 2010:1–21.
99. Electrical pitting of tilting-pad thrust bearings: Modelling and experimental evidence10.1016/j.triboint.2016.08.003 ↗
100. The Numerical Model of Electrothermal Deformations of Carbides in Bearing Steel as the Possible Cause of White Etching Cracks Initiation10.1007/s11249-015-0564-8 ↗