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Measurement of the in-plane shear strengths of unidirectional composites with the Iosipescu test

Measurement of the in-plane shear strengths of unidirectional composites with the Iosipescu test
Measurement of the in-plane shear strengths of unidirectional composites with the Iosipescu test
This paper addresses the issue of the measurement of the in-plane shear strengths of unidirectional carbon/epoxy composites from Iosipescu specimens. A description of the failure of the samples is presented together with finite-element calculations that confirm the observations. This leads to a discussion of the influence of the boundary conditions on failure, supported by both experimental and finite-element analyses. Eventually, it is shown that failure under a homogeneous stress state is achieved, although the presence of parasitic transverse compressive stress complicates the interpretation in terms of in-plane shear strength. It is shown that the use of a quadratic failure criterion leads to the determination of the in-plane shear strength
unidirectional composites, in-plane shear, iosipescu test, shear strength, shear failure
0266-3538
1653-1660
Pierron, Fabrice
a1fb4a70-6f34-4625-bc23-fcb6996b79b4
Vautrin, Alain
0cabd064-7c61-44a2-86f0-5e68001730c8
Pierron, Fabrice
a1fb4a70-6f34-4625-bc23-fcb6996b79b4
Vautrin, Alain
0cabd064-7c61-44a2-86f0-5e68001730c8

Pierron, Fabrice and Vautrin, Alain (1998) Measurement of the in-plane shear strengths of unidirectional composites with the Iosipescu test Composites Science and Technology, 57, (12), pp. 1653-1660. (doi:10.1016/S0266-3538(97)00099-7).

Record type: Article

Abstract

This paper addresses the issue of the measurement of the in-plane shear strengths of unidirectional carbon/epoxy composites from Iosipescu specimens. A description of the failure of the samples is presented together with finite-element calculations that confirm the observations. This leads to a discussion of the influence of the boundary conditions on failure, supported by both experimental and finite-element analyses. Eventually, it is shown that failure under a homogeneous stress state is achieved, although the presence of parasitic transverse compressive stress complicates the interpretation in terms of in-plane shear strength. It is shown that the use of a quadratic failure criterion leads to the determination of the in-plane shear strength

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More information

Published date: 16 January 1998
Keywords: unidirectional composites, in-plane shear, iosipescu test, shear strength, shear failure
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 210705
URI: http://eprints.soton.ac.uk/id/eprint/210705
ISSN: 0266-3538
PURE UUID: 8bea3c94-8406-4321-aa47-f004a5148f67
ORCID for Fabrice Pierron: ORCID iD orcid.org/0000-0003-2813-4994

Catalogue record

Date deposited: 10 Feb 2012 14:17
Last modified: 18 Jul 2017 10:45

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Contributors

Author: Fabrice Pierron ORCID iD
Author: Alain Vautrin

University divisions

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