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Understanding heterogeneity in discontinuous compression composite materials for high-volume applications

Understanding heterogeneity in discontinuous compression composite materials for high-volume applications
Understanding heterogeneity in discontinuous compression composite materials for high-volume applications
To understand the mechanisms contributing to material heterogeneity in discontinuous compression moulded composite materials, a data rich study combining digital image correlation (DIC), thermoelastic stress analysis (TSA) and X-ray computed tomography (CT) is presented. Initial results show that DIC and TSA are capable of capturing variability in surface strains and stresses when subjected to a cyclic load, and X-ray CT has been used to quantify volumetric variability in local resin volume content and distribution of local fibre orientations, which all contribute to the complex response detected on the component surface.
Lock-in digital image correlation, thermoelastic stress analysis, X-ray computed tomography, carbon fibre composite materials, complex materials
Bull, Daniel
3569ba02-89de-4398-a14d-02c3f9b4eab2
Barton, Janice
9e35bebb-2185-4d16-a1bc-bb8f20e06632
Thomsen, Ole
f3e60b22-a09f-4d58-90da-d58e37d68047
Bull, Daniel
3569ba02-89de-4398-a14d-02c3f9b4eab2
Barton, Janice
9e35bebb-2185-4d16-a1bc-bb8f20e06632
Thomsen, Ole
f3e60b22-a09f-4d58-90da-d58e37d68047

Bull, Daniel, Barton, Janice and Thomsen, Ole (2018) Understanding heterogeneity in discontinuous compression composite materials for high-volume applications. In Proceedings of the 75th SEM Annual Conference, USA, 2018.

Record type: Conference or Workshop Item (Paper)

Abstract

To understand the mechanisms contributing to material heterogeneity in discontinuous compression moulded composite materials, a data rich study combining digital image correlation (DIC), thermoelastic stress analysis (TSA) and X-ray computed tomography (CT) is presented. Initial results show that DIC and TSA are capable of capturing variability in surface strains and stresses when subjected to a cyclic load, and X-ray CT has been used to quantify volumetric variability in local resin volume content and distribution of local fibre orientations, which all contribute to the complex response detected on the component surface.

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More information

Published date: June 2018
Keywords: Lock-in digital image correlation, thermoelastic stress analysis, X-ray computed tomography, carbon fibre composite materials, complex materials

Identifiers

Local EPrints ID: 432509
URI: http://eprints.soton.ac.uk/id/eprint/432509
PURE UUID: 7773d4ae-a33a-4e4c-9589-3856ff441fc9
ORCID for Daniel Bull: ORCID iD orcid.org/0000-0001-6711-6153

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Date deposited: 17 Jul 2019 16:30
Last modified: 13 May 2020 00:37

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