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Proceedings Paper

Measurement Of Curvature And Bending Stiffness Of Thin Carbon Composite Plates Using Holographic Interferometry
Author(s): M. Marchant; M. B. Snell
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Paper Abstract

Holographic interferometry has been used to measure the deflection of thin CFRP cross-ply plates under very small pure bending loads. The paper describes the design and calibration of the optical system, the method of mounting and loading the specimen, and the computation of curvature values from the fringe data, together with a brief section on the subsequent derivation of the bending stiffness. Results obtained, both for the composite material and for a control plate of aluminium alloy, are shown to be in good agreement with theory, and further applications to thick plates and those of unknown construction appear feasible.

Paper Details

Date Published: 16 June 1983
PDF: 8 pages
Proc. SPIE 0369, Max Born Centenary Conf, (16 June 1983); doi: 10.1117/12.934415
Show Author Affiliations
M. Marchant, Royal Aircraft Establishment (England)
M. B. Snell, Royal Aircraft Establishment (England)


Published in SPIE Proceedings Vol. 0369:
Max Born Centenary Conf
M. John Colles; D. William Swift, Editor(s)

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