Abstract
Static Vickers indentation tests were performed on Homalite specimens with an intent to obtain the residual stress distribution beneath the indentation. The indented specimens were placed in a circular polariscope to view the fringe patterns corresponding to the induced residual stress. Similitude analysis was later employed to identify the functional relationship between the various parameters related to an indentation test. The analysis resulted in a unified relationship that can assist in the determination of residual stress in nontransparent materials subjected to similar geometric and loading conditions. The shear stress contours provided here can also be used as guidelines to verify constitutive models under complex three-dimensional loads.
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Anton, R.J., Miskioglu, I. & Subhash, G. Determination of resudual stress fields beneath a Vickers indentation using photoelasticity. Experimental Mechanics 39, 227–230 (1999). https://doi.org/10.1007/BF02323556
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DOI: https://doi.org/10.1007/BF02323556