Finite element analysis of single grit rotating scratch on brittle materials was conducted using an “elastic-plastic-cracking” (EPC) model. The brittle material removal mechanism was modeled based on a critical crack-opening displacement criterion. It was found that the tangential and normal force profiles as well as the damage morphology observed in scratch experiments were fully captured by the EPC model. The results revealed that the induced damage zone size increases linearly with a brittleness parameter as well as the maximum depth of cut.
Finite Element Analysis of Brittle Cracking due to Single Grit Rotating Scratch
Contributed by the Applied Mechanics Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the JOURNAL OF APPLIED MECHANICS. Manuscript received by the ASME Applied Mechanics Division, Feb. 1, 2001, final revision, July 26, 2002. Associate Editor: B. M. Moran.
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Subhash, G., and Zhang, W. (January 23, 2003). "Finite Element Analysis of Brittle Cracking due to Single Grit Rotating Scratch." ASME. J. Appl. Mech. January 2003; 70(1): 147–151. https://doi.org/10.1115/1.1526119
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