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An Investigation On The Stress Intensity Factor Of Surface Micro-Cracks, Sirisha Divya Arli
An Investigation On The Stress Intensity Factor Of Surface Micro-Cracks, Sirisha Divya Arli
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The contact fatigue failure in the form of micro or macro-scale pitting is an important failure mode for rolling mechanical elements, such as bearings and gears that are widely used in the automotive, aerospace and wind turbine fields. The micro-pitting process in some cases, gradually removes the surface material through fatigue wear, altering the geometry of the contact surfaces to alleviate the contact pressure decelerating the continued pitting rate. The propagation of the micro-cracks in other cases, goes deep into the material along a shallow angle, turns parallel to the surface at a certain depth, where the maximum shear or …