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A damage-based model for mixed-mode crack propagation in composite laminates

A damage-based model for mixed-mode crack propagation in composite laminates
A damage-based model for mixed-mode crack propagation in composite laminates
A model for the off-axis crack propagation in laminated fibre reinforced polymer composites subjected to multiaxial fatigue loadings is presented. On the basis of several observations reported in the literature, the crack propagation phenomenon can be seen as the result of a series of micro-scale events occurring ahead of the crack tip within a process zone. The mixed mode loading condition defines the type of the micro-scale events which occur in the process zone and lead to fatigue crack propagation. Based on this evidence and by using a multiscale approach to determine the micro-scale stress fields in the matrix, two simple parameters are defined for predicting the crack growth rate through a Paris-like law. By extracting the proposed parameters from experimental data obtained from the literature, it is demonstrated that the crack propagation data are all included into two Paris-like scatter bands covering the whole mode-mixity range.
Laminates, Fatigue, Transverse Cracking, Mixed-Mode, Damage Mechanics, Multi-scale
1359-835X
421-431
Glud, J.A.
8e7a814e-24dd-40f8-bd26-465f29c5e4eb
Carraro, P.A.
b2838e9d-23d1-421b-87a8-69aba141cbcb
Quaresimin, M.
00b58518-1768-4b07-a902-ebdef5c93052
Dulieu-Barton, J.M.
9e35bebb-2185-4d16-a1bc-bb8f20e06632
Thomsen, O.T.
f3e60b22-a09f-4d58-90da-d58e37d68047
Overgaard, L.C.T.
7a39e1eb-2afd-4f49-900b-8732c8013697
Glud, J.A.
8e7a814e-24dd-40f8-bd26-465f29c5e4eb
Carraro, P.A.
b2838e9d-23d1-421b-87a8-69aba141cbcb
Quaresimin, M.
00b58518-1768-4b07-a902-ebdef5c93052
Dulieu-Barton, J.M.
9e35bebb-2185-4d16-a1bc-bb8f20e06632
Thomsen, O.T.
f3e60b22-a09f-4d58-90da-d58e37d68047
Overgaard, L.C.T.
7a39e1eb-2afd-4f49-900b-8732c8013697

Glud, J.A., Carraro, P.A., Quaresimin, M., Dulieu-Barton, J.M., Thomsen, O.T. and Overgaard, L.C.T. (2018) A damage-based model for mixed-mode crack propagation in composite laminates. Composites Part A: Applied Science and Manufacturing, 107, 421-431. (doi:10.1016/j.compositesa.2018.01.016).

Record type: Article

Abstract

A model for the off-axis crack propagation in laminated fibre reinforced polymer composites subjected to multiaxial fatigue loadings is presented. On the basis of several observations reported in the literature, the crack propagation phenomenon can be seen as the result of a series of micro-scale events occurring ahead of the crack tip within a process zone. The mixed mode loading condition defines the type of the micro-scale events which occur in the process zone and lead to fatigue crack propagation. Based on this evidence and by using a multiscale approach to determine the micro-scale stress fields in the matrix, two simple parameters are defined for predicting the crack growth rate through a Paris-like law. By extracting the proposed parameters from experimental data obtained from the literature, it is demonstrated that the crack propagation data are all included into two Paris-like scatter bands covering the whole mode-mixity range.

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Glud et al COMPA_eprints - Accepted Manuscript
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Accepted/In Press date: 16 January 2018
e-pub ahead of print date: 20 February 2018
Keywords: Laminates, Fatigue, Transverse Cracking, Mixed-Mode, Damage Mechanics, Multi-scale

Identifiers

Local EPrints ID: 418093
URI: http://eprints.soton.ac.uk/id/eprint/418093
ISSN: 1359-835X
PURE UUID: e1a6a1bb-880b-4dae-b14a-24892f7d420b

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Date deposited: 22 Feb 2018 17:30
Last modified: 07 Oct 2020 06:10

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Contributors

Author: J.A. Glud
Author: P.A. Carraro
Author: M. Quaresimin
Author: O.T. Thomsen
Author: L.C.T. Overgaard

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