A combined experimental and numerical method is developed to estimate the continuously evolving cyclic plastic strain amplitudes in plastically deformed subsurface regions of a case-hardened M50 NiL steel rod subjected to rolling contact fatigue (RCF) over several hundred million cycles. The subsurface hardness values measured over the entire plastically deformed regions and the elastoplastic von Mises stresses determined from the three-dimensional (3D) Hertzian contact finite element (FE) model have been used in conjunction with Neuber's rule to estimate the evolved cyclic plastic strain amplitudes at various points within the RCF-affected zone. The cyclic stress–strain plots developed as a function of case depth revealed that cyclic hardening exponent of the material is greater than the monotonic strain-hardening exponent. Effective S–N diagram for the RCF loading of the case-hardened steel has been presented and the effect of compressive mean stress on its fatigue strength has been explained using Haigh diagram. The compressive mean stress correction according to Haigh diagram predicts that the allowable fatigue strength of the steel increases by a factor of two compared to its fatigue limit before mean stress correction, thus potentially allowing the rolling element bearings to operate over several hundred billion cycles. The methodology presented here is generalized and can be adopted to obtain the constitutive response and S–N diagrams of both through- and case-hardened steels subjected to RCF.
Skip Nav Destination
Article navigation
October 2015
Research-Article
Cyclic Constitutive Response and Effective S–N Diagram of M50 NiL Case-Hardened Bearing Steel Subjected to Rolling Contact Fatigue
Abir Bhattacharyya,
Abir Bhattacharyya
Department of Mechanical and
Aerospace Engineering,
Aerospace Engineering,
University of Florida
,Gainesville, FL 32611
Search for other works by this author on:
Anup Pandkar,
Anup Pandkar
Department of Mechanical and
Aerospace Engineering,
Aerospace Engineering,
University of Florida
,Gainesville, FL 32611
Search for other works by this author on:
Ghatu Subhash,
Ghatu Subhash
Department of Mechanical and
Aerospace Engineering,
Aerospace Engineering,
University of Florida
,Gainesville, FL 32611
Search for other works by this author on:
Nagaraj Arakere
Nagaraj Arakere
1
Department of Mechanical and
Aerospace Engineering,
e-mail: nagaraj@ufl.edu
Aerospace Engineering,
University of Florida
,Gainesville, FL 32611
e-mail: nagaraj@ufl.edu
1Corresponding author.
Search for other works by this author on:
Abir Bhattacharyya
Department of Mechanical and
Aerospace Engineering,
Aerospace Engineering,
University of Florida
,Gainesville, FL 32611
Anup Pandkar
Department of Mechanical and
Aerospace Engineering,
Aerospace Engineering,
University of Florida
,Gainesville, FL 32611
Ghatu Subhash
Department of Mechanical and
Aerospace Engineering,
Aerospace Engineering,
University of Florida
,Gainesville, FL 32611
Nagaraj Arakere
Department of Mechanical and
Aerospace Engineering,
e-mail: nagaraj@ufl.edu
Aerospace Engineering,
University of Florida
,Gainesville, FL 32611
e-mail: nagaraj@ufl.edu
1Corresponding author.
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received October 29, 2014; final manuscript received May 21, 2015; published online July 3, 2015. Assoc. Editor: Xiaolan Ai.
J. Tribol. Oct 2015, 137(4): 041102 (15 pages)
Published Online: October 1, 2015
Article history
Received:
October 29, 2014
Revision Received:
May 21, 2015
Online:
July 3, 2015
Citation
Bhattacharyya, A., Pandkar, A., Subhash, G., and Arakere, N. (October 1, 2015). "Cyclic Constitutive Response and Effective S–N Diagram of M50 NiL Case-Hardened Bearing Steel Subjected to Rolling Contact Fatigue." ASME. J. Tribol. October 2015; 137(4): 041102. https://doi.org/10.1115/1.4030689
Download citation file:
Get Email Alerts
Leakage Control Mechanisms and Strategies for Hydraulically Driven Controllable Rod Seals
J. Tribol (April 2025)
Related Articles
Effect of Residual Stresses on Microstructural Evolution Due to Rolling Contact Fatigue
J. Tribol (November,2018)
A New Approach for Fatigue Damage Modeling of Subsurface-Initiated Spalling in Large Rolling Contacts
J. Tribol (January,2017)
A 3D Finite Element Study of Fatigue Life Dispersion in Rolling Line Contacts
J. Tribol (October,2011)
Detrimental Effects of Debris Dents on Rolling Contact Fatigue
J. Tribol (January,2000)
Related Proceedings Papers
Related Chapters
A Fracture Mechanics Method for an Advanced Evaluation of Inclusions and the Prediction of Fatigue Life of Rolling Element Bearings
Bearing and Transmission Steels Technology
Review of Recent Developments in Understanding Rolling Bearing and Transmission Steel Steelmaking and Hydrogen Effects
Bearing and Transmission Steels Technology
Front Matter
Bearing and Transmission Steels Technology