Paper Title:
Hydrogen Accelerated Classical Rolling Contact Fatigue and Evaluation of the Residual Stress Response
  Abstract

The accelerating effect of absorbed hydrogen on subsurface rolling contact fatigue is studied by bearing rig testing under HF electric current passage. The additional chemical loading enhances dislocation mobility and microplasticity. Structural changes occur in a premature stage, as shown by comparative XRD residual stress analysis. Dark etching regions appear to be a precursor for phase transformation in regular white etching bands. Fatigue crack initiation is demonstrated.

  Info
Periodical
Edited by
Paolo Scardi and Cristy L. Azanza Ricardo
Pages
249-254
DOI
10.4028/www.scientific.net/MSF.681.249
Citation
J. Gegner, W. Nierlich, "Hydrogen Accelerated Classical Rolling Contact Fatigue and Evaluation of the Residual Stress Response", Materials Science Forum, Vol. 681, pp. 249-254, 2011
Online since
March 2011
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