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Title: The Effect of Lubricant Composition on White Etching Crack Failures

Abstract

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 microstructural alterations adjacent to the crack faces. The definitive cause of WECs within the field is unknown, because of this laboratory replication has proved difficult. At a benchtop scale, specific lubricant formulations referred to as bad reference oils (BROs) are often employed to aid in the formation of WECs; however, exactly how these lubricants induce WECs is unknown. The present work intends to elucidate how these lubricants facilitate the formation of WECs by systematically varying the additives which are found in BROs and studying the effect that these additive combinations have on time until failure, as well as tribofilm development. It was found that the lubricant containing Zinc dialkyldithiophosphate alone led to the formation of WECs sooner than any lubricant studied. It was also documented that a lubricants frictional characteristics play a more dominant role than the tribofilm characteristics.

Authors:
ORCiD logo [1];  [1];  [2];  [3];  [4];  [1]
  1. Argonne National Lab. (ANL), Argonne, IL (United States). Applied Materials Division
  2. Afton Chemical Corporation, Richmond, VA (United States)
  3. Afton Chemical Ltd, Bracknell (United Kingdom)
  4. Ingram Tribology Ltd, Carmarthen (United Kingdom)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind Energy Technologies Office (EE-4WE)
OSTI Identifier:
1496824
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Tribology Letters
Additional Journal Information:
Journal Volume: 67; Journal Issue: 1; Journal ID: ISSN 1023-8883
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; bearing failures; microstructural alterations; premature fatigue; white etching cracks

Citation Formats

Gould, Benjamin, Demas, Nicholaos G., Pollard, Grant, Rydel, Jakub Jelita, Ingram, Marc, and Greco, Aaron C. The Effect of Lubricant Composition on White Etching Crack Failures. United States: N. p., 2018. Web. doi:10.1007/s11249-018-1106-y.
Gould, Benjamin, Demas, Nicholaos G., Pollard, Grant, Rydel, Jakub Jelita, Ingram, Marc, & Greco, Aaron C. The Effect of Lubricant Composition on White Etching Crack Failures. United States. doi:10.1007/s11249-018-1106-y.
Gould, Benjamin, Demas, Nicholaos G., Pollard, Grant, Rydel, Jakub Jelita, Ingram, Marc, and Greco, Aaron C. Thu . "The Effect of Lubricant Composition on White Etching Crack Failures". United States. doi:10.1007/s11249-018-1106-y. https://www.osti.gov/servlets/purl/1496824.
@article{osti_1496824,
title = {The Effect of Lubricant Composition on White Etching Crack Failures},
author = {Gould, Benjamin and Demas, Nicholaos G. and Pollard, Grant and Rydel, Jakub Jelita and Ingram, Marc and Greco, Aaron C.},
abstractNote = {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 microstructural alterations adjacent to the crack faces. The definitive cause of WECs within the field is unknown, because of this laboratory replication has proved difficult. At a benchtop scale, specific lubricant formulations referred to as bad reference oils (BROs) are often employed to aid in the formation of WECs; however, exactly how these lubricants induce WECs is unknown. The present work intends to elucidate how these lubricants facilitate the formation of WECs by systematically varying the additives which are found in BROs and studying the effect that these additive combinations have on time until failure, as well as tribofilm development. It was found that the lubricant containing Zinc dialkyldithiophosphate alone led to the formation of WECs sooner than any lubricant studied. It was also documented that a lubricants frictional characteristics play a more dominant role than the tribofilm characteristics.},
doi = {10.1007/s11249-018-1106-y},
journal = {Tribology Letters},
number = 1,
volume = 67,
place = {United States},
year = {2018},
month = {11}
}

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Cited by: 6 works
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Works referenced in this record:

Multiscale characterization of White Etching Cracks (WEC) in a 100Cr6 bearing from a thrust bearing test rig
journal, January 2017


Sub-Surface Initiated Rolling Contact Fatigue—Influence of Non-Metallic Inclusions, Processing History, and Operating Conditions
journal, January 2010

  • Lund, Thore B.; Beswick, John; Dean, S. W.
  • Journal of ASTM International, Vol. 7, Issue 5
  • DOI: 10.1520/JAI102559

Investigation of Microstructural Alterations in Low- and High-Speed Intermediate-Stage Wind Turbine Gearbox Bearings
journal, May 2017


White etching matter promoted by intergranular embrittlement
journal, March 2017


The Effects of Hydrogen on Microstructural Change and Surface Originated Flaking in Rolling Contact Fatigue
journal, January 2011

  • Uyama, Hideyuki; Yamada, Hiroki; Hidaka, Hideyuki
  • Tribology Online, Vol. 6, Issue 2
  • DOI: 10.2474/trol.6.123

The Evolution of White Etching Cracks (WECs) in Rolling Contact Fatigue-Tested 100Cr6 Steel
journal, November 2017


An updated review: white etching cracks (WECs) and axial cracks in wind turbine gearbox bearings
journal, March 2016


The Cause of Premature Wind Turbine Bearing Failures: Overloading or Underloading?
journal, April 2018


Effect of hydrogen on butterfly and white etching crack (WEC) formation under rolling contact fatigue (RCF)
journal, August 2013


Film thickness and roughness of ZDDP antiwear films
journal, January 2007

  • Topolovec-Miklozic, Ksenija; Forbus, T. Reg; Spikes, Hugh A.
  • Tribology Letters, Vol. 26, Issue 2
  • DOI: 10.1007/s11249-006-9189-2

Steels for bearings
journal, February 2012


Effect of hydrogen on Mode II fatigue crack behavior of tempered bearing steel and microstructural changes
journal, June 2010


The effect of hydrogen on the rolling contact fatigue life of AISI 52100 and 440C steel balls
journal, April 1973


Serial sectioning investigation of butterfly and white etching crack (WEC) formation in wind turbine gearbox bearings
journal, April 2013


White etching crack (WEC) investigation by serial sectioning, focused ion beam and 3-D crack modelling
journal, September 2013


Occurrence of brittle flaking on bearings used for automotive electrical instruments and auxiliary devices
journal, November 1996


Microstructure deformation and white etching matter formation along cracks
journal, November 2017


WEC Formation in Rolling Bearings under Mixed Friction: Influences and “Friction Energy Accumulation” as Indicator
journal, September 2016


Solute redistribution in the nanocrystalline structure formed in bearing steels
journal, October 2013


Reproduction of white etching cracks under rolling contact loading on thrust bearing and two-disc test rigs
journal, November 2017


Hydrogen embrittlement of a stainless ball bearing steel
journal, December 1980


Hydrogen-enhanced dislocation emission, motion and nucleation of hydrogen-induced cracking for steel
journal, October 1997

  • Lü, Hong; Li, Midan; Zhang, Tiancheng
  • Science in China Series E: Technological Sciences, Vol. 40, Issue 5
  • DOI: 10.1007/BF02917169

Investigating the Process of White Etching Crack Initiation in Bearing Steel
journal, April 2016


Characterisation of white etching crack damage in wind turbine gearbox bearings
journal, September 2015


White-Etching Matter in Bearing Steel. Part II: Distinguishing Cause and Effect in Bearing Steel Failure
journal, July 2014

  • Solano-Alvarez, W.; Bhadeshia, H. K. D. H.
  • Metallurgical and Materials Transactions A, Vol. 45, Issue 11
  • DOI: 10.1007/s11661-014-2431-x

Electron microscopy investigations of microstructural alterations due to classical Rolling Contact Fatigue (RCF) in martensitic AISI 52100 bearing steel
journal, May 2017


Deformation-induced amorphization and austenitization in white etching area of a martensite bearing steel under rolling contact fatigue
journal, December 2017


Material wear and fatigue in wind turbine Systems
journal, April 2013


Thermal Desorption Analysis of Hydrogen in Non-hydrogen-Charged Rolling Contact Fatigue-Tested 100Cr6 Steel
journal, November 2017


Confirming subsurface initiation at non-metallic inclusions as one mechanism for white etching crack (WEC) formation
journal, July 2014


Tribological advancements for reliable wind turbine performance
journal, October 2010

  • Kotzalas, Michael N.; Doll, Gary L.
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 368, Issue 1929
  • DOI: 10.1098/rsta.2010.0194

A Novel Method to Evaluate the Influence of Hydrogen on Fatigue Properties of High Strength Steels
journal, January 2006

  • Matsubara, Y.; Hamada, H.
  • Journal of ASTM International, Vol. 3, Issue 2
  • DOI: 10.1520/JAI14048

Lubricant Effects on White Etching Cracking Failures in Thrust Bearing Rig Tests
journal, July 2018


EBSD investigation of the crack initiation and TEM/FIB analyses of the microstructural changes around the cracks formed under Rolling Contact Fatigue (RCF)
journal, March 2010


Using advanced tomography techniques to investigate the development of White Etching Cracks in a prematurely failed field bearing
journal, December 2017


The Influence of Sliding and Contact Severity on the Generation of White Etching Cracks
journal, October 2015


The History and Mechanisms of ZDDP
journal, October 2004


Influence of Currents from Electrostatic Charges on WEC Formation in Rolling Bearings
journal, June 2016


White Etching Cracking—Simulation in Bearing Rig and Bench Tests
journal, August 2017


Review of the damage mechanism in wind turbine gearbox bearings under rolling contact fatigue
journal, December 2017


White Etching Crack Root Cause Investigations
journal, October 2014


The origins of white etching cracks and their significance to rolling bearing failures
journal, March 2019


The Formation of Hydrogen Peroxide on Fresh Metal Surfaces
journal, March 1953


Microstructural evolution in bearing steel under rolling contact fatigue
journal, June 2017


Influence of Electrical Current on Bearing Flaking Life
conference, April 2007

  • Mikami, Hidenobu; Kawamura, Takayuki
  • SAE World Congress & Exhibition, SAE Technical Paper Series
  • DOI: 10.4271/2007-01-0113

Paper 10: Metallurgical Aspects of Rolling Contact Fatigue
journal, June 1966

  • Scott, D.; Loy, B.; Mills, G. H.
  • Proceedings of the Institution of Mechanical Engineers, Conference Proceedings, Vol. 181, Issue 15
  • DOI: 10.1243/PIME_CONF_1966_181_303_02

Research Work for Clarifying the Mechanism of White Structure Flaking and Extending the Life of Bearings
conference, April 2005

  • Iso, Kenichi; Yokouchi, Atsushi; Takemura, Hiromichi
  • SAE 2005 World Congress & Exhibition, SAE Technical Paper Series
  • DOI: 10.4271/2005-01-1868

Empirical Investigation of Electricity Self-Generation in a Lubricated Sliding–Rolling Contact
journal, July 2017


    Works referencing / citing this record:

    The state-of-art of microstructural evolution of bearing materials under Rolling Contact Fatigue
    journal, October 2019


    The state-of-art of microstructural evolution of bearing materials under Rolling Contact Fatigue
    journal, October 2019