The Shear Modulus of Foil Honeycomb Cores: A Theoretical and Experimental Investigation on Cores Used in Sandwich Construction

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Publication date: 1 October 1958

Abstract

Simple expressions for upper and lower limits to the shear modulus of honeycomb sandwich cores are obtained by application of the Unit Displacement and Unit Load methods in conjunction with simplifying assumptions as to the strain and stress systems respectively in the core. The theory is given for cores built up from foil ribbons to form cells of general honeycomb form. Test methods for the experimental determination of the shear modulus are also discussed. Of these, the three‐point bending test on sandwich beams is considered most satisfactory and results of such tests on steel and aluminium foil honeycombs show good agreement with the theory.

Citation

Kelsey, S., Gellatly, R.A. and Clark, B.W. (1958), "The Shear Modulus of Foil Honeycomb Cores: A Theoretical and Experimental Investigation on Cores Used in Sandwich Construction", Aircraft Engineering and Aerospace Technology, Vol. 30 No. 10, pp. 294-302. https://doi.org/10.1108/eb033026

Publisher

:

MCB UP Ltd

Copyright © 1958, MCB UP Limited

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