Interlaminar deformations on the cylindrical surface of a hole in laminated composites by moire interferometry

Raymond G. Boeman

doi:10.1117/12.57415

1 December 1991 Interlaminar deformations on the cylindrical surface of a hole in laminated composites by moiré interferometry

Raymond G. Boeman

Author Affiliations +

Proceedings Volume 1554, Second International Conference on Photomechanics and Speckle Metrology; (1991) https://doi.org/10.1117/12.57415
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Moiré interferometric techniques were adapted to facilitate studies on 25.4 mm (1 in.) diameter holes. A replication scheme was developed to produce a high-frequency diffraction grating on the cylindrical surface of a hole. Techniques were developed to interrogate the specimen grating to obtain the in-plane deformations on the hole surface.

The application of the technique to the measurement of interlaminar deformations on the cylindrical surface of a hole in a laminated composite plate is presented. The techniques can be generalized for investigations on both convex and concave singly-curved surfaces.

Citation Download Citation

Raymond G. Boeman "Interlaminar deformations on the cylindrical surface of a hole in laminated composites by moiré interferometry", Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); https://doi.org/10.1117/12.57415

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