High Speed Photography of Moire Fringes . Application to Ceramics Under Impact

Abstract

A high speed moirC photography system has been developed for measuring dynamic 2-D strain fields. The method is illustrated by an impact onto tiles of Silicon Carbide to display the history of the strain field. The steel blunt cylinder projectile is fired by a gas gun at a speed of 330 m/s. A checked grating with 28 lineslmm was reproduced on the target… (More)

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