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Estimation of Surface Stress from Sliding Scratch and Static Spherical Indentation
Journal of the Ceramic Society of Japan
qbJL±g³qV~±j\Êjóªè D. Amutha RaniEãûCiE½öìãiERàKFE_èCO YAEZp¤ViW[}eA¤Z^[C4638687 ¼Ã®sçRaeºui¡P´22681 In this paper, surface stresses are estimated by means of sliding scratch and spherical indentation tests to understand the surface fracture of alumina specimens with respect to grain size. The critical load for materi al failure and the friction coecient determined from scratch test are used for the estimation of surface stresses by niteelement analysis. In spherical indentation test, the sizedoi:10.2109/jcersj.111.294 fatcat:7xgnnsgkmjg53danjkuj26cwtu