FIELD: acoustic test of strength of materials including tool materials with wear- resistant coats. SUBSTANCE: increased informativity of parameters of acoustic emission making it possible to evaluate quality of adhesion of coat with base reliably is achieved by means of relative translation of indenter and examined surface of sample with formation of net of traces of movements. Value of summary count of sudden growth of acoustic emission is used in the capacity of parameter of acoustic emission. EFFECT: increased informativity of parameters of acoustic emission. 4 cl, 5 dwg, 1 tbl
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