Experimental Study of the Effects of Surface Defects on Rolling Contact Fatigue Behavior

Rolling contact fatigue (RCF) cracks initiated from surface and subsurface defects are typical failure modes of bearing systems. In this paper, the effects of surface defects on RCF behavior of M50NiL and M50 steels were studied experimentally. Artificial dents were introduced on the rolling surface by using Rockwell hardness tester. The influences of dent shape and dent shoulders were examined by thrust-type RCF tests. Surface cracks initiation, propagation and spalling were monitored by scanning electron microscope (SEM) observation. The results showed that artificial dents reduce RCF lives of M50NiL and M50 steels with mineral oil lubrication. The fatigue failure initiates at the surface defect with the effects of dent shape and dent shoulder. M50NiL steel has higher contact fatigue resistance than M50. The features of surface and sub-surface cracks propagation during RCF tests were also observed.

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Influence of Surface Roughness on Rolling Contact Fatigue Behavior of Fe-Cr Alloy Coatings

Journal of Materials Engineering and Performance ◽

10.1007/s11665-012-0315-z ◽

2012 ◽

Vol 22 (3) ◽

pp. 767-773 ◽

Cited By ~ 16

Author(s):

Zhong-yu Piao ◽

Bin-shi Xu ◽

Hai-dou Wang ◽

Dong-hui Wen

Keyword(s):

Surface Roughness ◽

Fatigue Behavior ◽

Rolling Contact Fatigue ◽

Contact Fatigue ◽

Rolling Contact

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Rolling contact fatigue behavior of TiN based coatings deposited on ADI by cathodic arc deposition and plasma based ion implantation and deposition

Thin Solid Films ◽

10.1016/j.tsf.2018.12.014 ◽

2019 ◽

Vol 671 ◽

pp. 95-102 ◽

Cited By ~ 1

Author(s):

Juan Pablo Quintana ◽

Juan Miguel Massone ◽

Adriana Beatriz Márquez ◽

Diego Alejandro Colombo

Keyword(s):

Ion Implantation ◽

Fatigue Behavior ◽

Rolling Contact Fatigue ◽

Contact Fatigue ◽

Rolling Contact ◽

Cathodic Arc Deposition ◽

Cathodic Arc ◽

Arc Deposition

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A Coupled Multibody Finite Element Model for Investigating Effects of Surface Defects on Rolling Contact Fatigue

Journal of Tribology ◽

10.1115/1.4042270 ◽

2019 ◽

Vol 141 (4) ◽

Cited By ~ 4

Author(s):

Zamzam Golmohammadi ◽

Farshid Sadeghi

Keyword(s):

Finite Element ◽

Fatigue Life ◽

Surface Defects ◽

Rolling Contact Fatigue ◽

Contact Fatigue ◽

Rolling Contact ◽

Internal Stresses ◽

Fe Model ◽

Elastic Plastic ◽

Pile Up

A coupled multibody elastic–plastic finite element (FE) model was developed to investigate the effects of surface defects, such as dents on rolling contact fatigue (RCF). The coupled Voronoi FE model was used to determine the contact pressure acting over the surface defect, internal stresses, damage, etc. In order to determine the shape of a dent and material pile up during the over rolling process, a rigid indenter was pressed against an elastic plastic semi-infinite domain. Continuum damage mechanics (CDM) was used to account for material degradation during RCF. Using CDM, spall initiation and propagation in a line contact was modeled and investigated. A parametric study using the model was performed to examine the effects of dent sharpness, pile up ratio, and applied load on the spall formation and fatigue life. The spall patterns were found to be consistent with experimental observations from the open literature. Moreover, the results demonstrated that the dent shape and sharpness had a significant effect on pressure and thus fatigue life. Higher dent sharpness ratios significantly reduced the fatigue life.

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Effect of ultrasonic surface rolling on microstructure and rolling contact fatigue behavior of 17Cr2Ni2MoVNb steel

Surface and Coatings Technology ◽

10.1016/j.surfcoat.2019.03.061 ◽

2019 ◽

Vol 366 ◽

pp. 321-330 ◽

Cited By ~ 9

Author(s):

Ya-Long Zhang ◽

Fu-Qiang Lai ◽

Sheng-Guan Qu ◽

Hai-Peng Liu ◽

Dong-Sheng Jia ◽

...

Keyword(s):

Fatigue Behavior ◽

Rolling Contact Fatigue ◽

Contact Fatigue ◽

Rolling Contact

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Rolling contact fatigue behavior of Ti/TiN coated ADI by cathodic arc deposition

Ceramics International ◽

10.1016/j.ceramint.2016.12.068 ◽

2017 ◽

Vol 43 (5) ◽

pp. 4263-4271 ◽

Cited By ~ 3

Author(s):

Diego Alejandro Colombo ◽

Juan Miguel Massone ◽

María Dolores Echeverría ◽

Adriana Beatriz Márquez

Keyword(s):

Fatigue Behavior ◽

Rolling Contact Fatigue ◽

Contact Fatigue ◽

Rolling Contact ◽

Cathodic Arc Deposition ◽

Cathodic Arc ◽

Arc Deposition

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Evaluation of Surface Defects of Wheel and Rail for Korean High-Speed Railway

Materials Science Forum ◽

10.4028/www.scientific.net/msf.654-656.2499 ◽

2010 ◽

Vol 654-656 ◽

pp. 2499-2502 ◽

Cited By ~ 1

Author(s):

Chan Woo Lee ◽

Seok Jin Kwon

Keyword(s):

High Speed ◽

Surface Defects ◽

Rolling Contact Fatigue ◽

Contact Fatigue ◽

Rolling Contact ◽

Railway Vehicle ◽

High Speed Railway ◽

Main Research ◽

Rail Systems ◽

Micro Cracks

Wheels of the railway vehicle play the important role for driving train through wheel-rail interaction. Especially wheel profile is one of the most important design factors to rule the running stability and safety of train. Accordingly, the control of rolling contact fatigue-related defects is an ongoing concern for both safety and cost reasons. This process is referred to as ratcheting. Wear of wheel and rail surfaces occur due to a mixture of adhesive, abrasive and corrosive processes. In wheel/rail systems with little wear, such failure is manifested by the appearance of closely spaced micro-cracks. In the present paper, a evaluation of surface defects of wheel and rail for Korean high-speed railway. The main research application is the wheel-rail maintenance of Korea high-speed train.

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