Abstract
This paper is concerned with the appilicability of the ultrasonic technique to the measurement of the interfacial stress between metallic punch and some non-metallic plates. The characteristics of the ultrasonic wave due to the variation of the interfacial stress between metal and polymers are graphically presented. The changes in ultrasonic beam density due to spreading near the edge of the punch are then investigated, and the scattering characteristics of the wave are estimated on the basis of variation of the echo height as the probe is moved. The stress field of non-metallic plates indented by the punch is depicted in plots of the interfacial stress distribution, and quantitative ultrasonic techniques for the determination of an interfacial stress in polymers are discussed.
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