NOTE: Watch this video at a lower speed.
This video shows the localized, elastic-plastic, subsurface von-Mises stress-fields during rolling contact fatigue (RCF) phenomenon. Such Hertzian contact stresses are induced when two machine components come in contact during load transfer. These are responsible for failure of bearings, rail wheels, gears etc. It can be observed in this video that only small area near the contact region is subjected to severe stresses and possible local yielding while remaining are
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