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Fatigue-driven model for mode II interlaminar delamination propagation of fibre/epoxy-reinforced composite laminates under three-point end-notched flexure

Fatigue-driven model for mode II interlaminar delamination propagation of fibre/epoxy-reinforced composite laminates under three-point end-notched flexure
Fatigue-driven model for mode II interlaminar delamination propagation of fibre/epoxy-reinforced composite laminates under three-point end-notched flexure
This paper deals with mode II interlaminar delamination properties and failure mechanisms of composite laminates in
three-point end-notched flexure (3-ENF) tests under fixed cyclic loading. The results for fracture toughness, fatigue
driving force and delamination propagation behaviours of three different types of carbon and E-glass fibre/epoxy resinreinforced
composite laminates are evaluated and compared with each other for providing an insight into fatigue damage
development in composites and for constituting a fundamental basis for the development of a characterization model.
A new characterization formulation is presented for mode II interlaminar delamination propagation based on controlling
fatigue stress. Finally, the model is applied to experimental data, demonstrating the practical and effective use of the
proposed model. It is shown that fatigue-driven strength for mode II interlaminar delamination propagation can be
obtained realistically from experimental data using the new formulae.
laminate, delamination, fatigue
0021-9983
2779-2787
Yun, XY
42ca0e5a-0dad-46d2-957e-c8615bfd8ce8
Xiong, JJ
fa9eb26a-6c3b-43d6-a38f-858862c3d24d
Shenoi, RA
a37b4e0a-06f1-425f-966d-71e6fa299960
Yun, XY
42ca0e5a-0dad-46d2-957e-c8615bfd8ce8
Xiong, JJ
fa9eb26a-6c3b-43d6-a38f-858862c3d24d
Shenoi, RA
a37b4e0a-06f1-425f-966d-71e6fa299960

Yun, XY, Xiong, JJ and Shenoi, RA (2015) Fatigue-driven model for mode II interlaminar delamination propagation of fibre/epoxy-reinforced composite laminates under three-point end-notched flexure. Journal of Composite Materials, 49 (22), 2779-2787. (doi:10.1177/0021998314554126).

Record type: Article

Abstract

This paper deals with mode II interlaminar delamination properties and failure mechanisms of composite laminates in
three-point end-notched flexure (3-ENF) tests under fixed cyclic loading. The results for fracture toughness, fatigue
driving force and delamination propagation behaviours of three different types of carbon and E-glass fibre/epoxy resinreinforced
composite laminates are evaluated and compared with each other for providing an insight into fatigue damage
development in composites and for constituting a fundamental basis for the development of a characterization model.
A new characterization formulation is presented for mode II interlaminar delamination propagation based on controlling
fatigue stress. Finally, the model is applied to experimental data, demonstrating the practical and effective use of the
proposed model. It is shown that fatigue-driven strength for mode II interlaminar delamination propagation can be
obtained realistically from experimental data using the new formulae.

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Published date: 2015
Keywords: laminate, delamination, fatigue
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 381556
URI: http://eprints.soton.ac.uk/id/eprint/381556
ISSN: 0021-9983
PURE UUID: 947ba923-7639-4f31-bc13-d4f7009a3321

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Date deposited: 08 Oct 2015 09:29
Last modified: 08 Jan 2022 18:23

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Contributors

Author: XY Yun
Author: JJ Xiong
Author: RA Shenoi

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