FIELD: nondestructive testing, detection of defects. SUBSTANCE: method of determination of the degree of cohesion of a thin metal coating to the insulating base is based on measurement of the quantity of heat transferred to the coating, and measurement of heat remaining in the coating after a certain time period. The relation between these values characterizes the degree of cohesion. Eddy currents are used for heating the coating. EFFECT: facilitated procedure. 4 dwg
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