Accession Number : AD0646639

Title :   TEST PROGRAMME ON ALUMINIUM HONEYCOMB SANDWICH COMPRESSION PANELS.

Descriptive Note : Summary rept.

Corporate Author : SHORT BROS AND HARLAND LTD CASTLEREAGH (ENGLAND)

Report Date : NOV 1966

Pagination or Media Count : 40

Abstract : Forty-two panels constructed of DTD 546 aluminium alloy sheet bonded to 1/4 in. cell hexagonal honeycomb X 0.001 in. aluminium foil to BS.1470 N.S.3. with Redux 775R adhesive were tested to confirm buckling stresses predicted by the theory of the R.Ae.S. Data Sheets. Good general agreement was obtained between actual and estimated buckling stresses but there was some scatter in results for panels in the plastic range. The effect of the ratio of skin thickness on the value of the shear modulus honeycomb cores as found by the shear beam technique was also investigated and an expression for effective shear area giving reasonably constant values of shear modulus over a wide range of skin and core thickness was obtained. Double block shear specimens were found to be less reliable than shear beams in determination of shear modulus.

Descriptors :   (*SANDWICH PANELS, HONEYCOMB CORES), (*HONEYCOMB CORES, PANELS), ALUMINUM ALLOYS, SHEETS, METAL PLATES, BONDING, ADHESIVES, COMPRESSIVE PROPERTIES, BUCKLING, STRESSES

Subject Categories : Structural Engineering and Building Technology

Distribution Statement : APPROVED FOR PUBLIC RELEASE