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Progressive damage modelling of hybrid RTM-made composite ∏-joint under four-point flexure using mixed failure criteria

Progressive damage modelling of hybrid RTM-made composite ∏-joint under four-point flexure using mixed failure criteria
Progressive damage modelling of hybrid RTM-made composite ∏-joint under four-point flexure using mixed failure criteria
This paper deals with four-point flexure tests on hybrid P-joints, made out of multi-layer carbon fiber/epoxy resin reinforced composites, processed using the RTM (resin transfer moulding) technique. Static bending properties and failure mechanism were determined by experimental observations.Failure of the P-joints in four-point flexure tests was through interlaminar debonding in triangular zone followed by debonding propagation along the interface between the triangular zone and the adjacent boundary angle until complete breakage of the top skin. A progressive damage model (PDM) based on mixed failure criteria was developed to predict failure loads. Good correlation was achieved between experimental and numerical results.
0263-8223
327-334
Bai, J.B.
1d159fa1-1fcd-457b-99b7-424dd344cca1
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
Yun, X.Y.
daa8c060-d858-4ca6-bdde-fa33abdfe7ed
Xiong, J.J.
785d6bd7-e6a1-472c-ae43-484f28d646eb
Bai, J.B.
1d159fa1-1fcd-457b-99b7-424dd344cca1
Shenoi, R.A.
a37b4e0a-06f1-425f-966d-71e6fa299960
Yun, X.Y.
daa8c060-d858-4ca6-bdde-fa33abdfe7ed
Xiong, J.J.
785d6bd7-e6a1-472c-ae43-484f28d646eb

Bai, J.B., Shenoi, R.A., Yun, X.Y. and Xiong, J.J. (2017) Progressive damage modelling of hybrid RTM-made composite ∏-joint under four-point flexure using mixed failure criteria. Composite Structures, 159, 327-334. (doi:10.1016/j.compstruct.2016.09.083).

Record type: Article

Abstract

This paper deals with four-point flexure tests on hybrid P-joints, made out of multi-layer carbon fiber/epoxy resin reinforced composites, processed using the RTM (resin transfer moulding) technique. Static bending properties and failure mechanism were determined by experimental observations.Failure of the P-joints in four-point flexure tests was through interlaminar debonding in triangular zone followed by debonding propagation along the interface between the triangular zone and the adjacent boundary angle until complete breakage of the top skin. A progressive damage model (PDM) based on mixed failure criteria was developed to predict failure loads. Good correlation was achieved between experimental and numerical results.

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Accepted/In Press date: 26 September 2016
e-pub ahead of print date: 28 September 2016
Published date: 1 January 2017
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 404184
URI: https://eprints.soton.ac.uk/id/eprint/404184
ISSN: 0263-8223
PURE UUID: 547a65e9-6020-400c-aede-ca1cc1aeae4b

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Date deposited: 03 Jan 2017 13:54
Last modified: 10 Jan 2018 05:06

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