An ultrasonic technique for measuring crack and craze velocities
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A technique is described which employs ultrasonic waves in order to monitor the velocity of a slowly propagating discontinuity in a material subjected to stress in a liquid environment. The technique is particularly useful in the study of environmentally induced crack and craze propagation in polymeric materials. This paper describes the equipment, its operation and some preliminary results for one particular application.
KeywordsPolymer Polymeric Material Ultrasonic Wave Ultrasonic Technique Liquid Environment
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