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Static performance of hot bonded and cold bonded inserts in honeycomb panels

Static performance of hot bonded and cold bonded inserts in honeycomb panels
Static performance of hot bonded and cold bonded inserts in honeycomb panels
An investigation on the structural performance of inserts within honeycomb sandwich panels is presented. The investigation considers metallic inserts in all aluminum sandwich panels and emphasis is placed on the structural performance difference between hot bonded and cold bonded inserts.

The former are introduced during panel manufacture while the latter are potted into existing panels. The investigation focuses on the static performance of the two insert systems subject to loads in the normal direction to the facing plane. The experimental part of the work presented involved carrying out pullout tests on hot bonded and cold bonded reference samples by loading them at a centrally located insert. The experimental results were compared with results from an analytical model and results from a finite element model.

Contrary to what was expected it was found from the experiments that the cold bonded inserts outperformed the hot bonded inserts in terms of load carrying capability. From the finite element study it was found that this was mainly due to the difference in stiffness of the different filler materials used in the two insert systems.
1530-7972
Bianchi, Gabriel
3799d4c0-8746-49c6-a61c-fcc7cbeefba5
Aglietti, Guglielmo S.
e44d0dd4-0f71-4399-93d2-b802365cfb9e
Richardson, G.
edb47fd2-6071-4300-8734-77da4f139b7d
Bianchi, Gabriel
3799d4c0-8746-49c6-a61c-fcc7cbeefba5
Aglietti, Guglielmo S.
e44d0dd4-0f71-4399-93d2-b802365cfb9e
Richardson, G.
edb47fd2-6071-4300-8734-77da4f139b7d

Bianchi, Gabriel, Aglietti, Guglielmo S. and Richardson, G. (2010) Static performance of hot bonded and cold bonded inserts in honeycomb panels. Journal of Sandwich Structures and Materials. (doi:10.1177/1099636209359840).

Record type: Article

Abstract

An investigation on the structural performance of inserts within honeycomb sandwich panels is presented. The investigation considers metallic inserts in all aluminum sandwich panels and emphasis is placed on the structural performance difference between hot bonded and cold bonded inserts.

The former are introduced during panel manufacture while the latter are potted into existing panels. The investigation focuses on the static performance of the two insert systems subject to loads in the normal direction to the facing plane. The experimental part of the work presented involved carrying out pullout tests on hot bonded and cold bonded reference samples by loading them at a centrally located insert. The experimental results were compared with results from an analytical model and results from a finite element model.

Contrary to what was expected it was found from the experiments that the cold bonded inserts outperformed the hot bonded inserts in terms of load carrying capability. From the finite element study it was found that this was mainly due to the difference in stiffness of the different filler materials used in the two insert systems.

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More information

Published date: February 2010

Identifiers

Local EPrints ID: 150525
URI: https://eprints.soton.ac.uk/id/eprint/150525
ISSN: 1530-7972
PURE UUID: 36ba0f69-1f13-41f5-b2c0-857ef2ad715d

Catalogue record

Date deposited: 05 May 2010 13:38
Last modified: 18 Jul 2017 19:18

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