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The influence of toughening-particles in CFRPs on low velocity impact damage resistance performance

The influence of toughening-particles in CFRPs on low velocity impact damage resistance performance
The influence of toughening-particles in CFRPs on low velocity impact damage resistance performance
The role of particle-toughening for increasing impact damage resistance in carbon fibre reinforced polymer (CFRP) composites was investigated. Five carbon fibre reinforced systems consisting of four particle-toughened matrices and one system containing no toughening particles were subjected to low velocity impacts ranging from 25 J to 50 J to establish the impact damage resistance of each material system. Synchrotron radiation computed tomography (SRCT) enabled a novel approach for damage assessment and quantification. Toughening mechanisms were detected in the particle-toughened systems consisting of particle–resin debonding, crack-deflection and crack-bridging. Quantification of the bridging behaviour, increase in crack path length and roughness was undertaken. Out of the three toughening mechanisms measured, particle systems exhibited a larger extent of bridging suggesting a significant contribution of this toughening mechanism compared to the system with no particles
A. carbon fibre, B. impact behaviour, B. fracture toughness, x-ray computed tomography
1359-835X
47-55
Bull, D.J.
3569ba02-89de-4398-a14d-02c3f9b4eab2
Scott, A.E.
37356844-61d7-450e-b33e-032c2c41903b
Spearing, S.M.
9e56a7b3-e0e8-47b1-a6b4-db676ed3c17a
Sinclair, I.
6005f6c1-f478-434e-a52d-d310c18ade0d
Bull, D.J.
3569ba02-89de-4398-a14d-02c3f9b4eab2
Scott, A.E.
37356844-61d7-450e-b33e-032c2c41903b
Spearing, S.M.
9e56a7b3-e0e8-47b1-a6b4-db676ed3c17a
Sinclair, I.
6005f6c1-f478-434e-a52d-d310c18ade0d

Bull, D.J., Scott, A.E., Spearing, S.M. and Sinclair, I. (2014) The influence of toughening-particles in CFRPs on low velocity impact damage resistance performance. Composites Part A: Applied Science and Manufacturing, 58, 47-55. (doi:10.1016/j.compositesa.2013.11.014).

Record type: Article

Abstract

The role of particle-toughening for increasing impact damage resistance in carbon fibre reinforced polymer (CFRP) composites was investigated. Five carbon fibre reinforced systems consisting of four particle-toughened matrices and one system containing no toughening particles were subjected to low velocity impacts ranging from 25 J to 50 J to establish the impact damage resistance of each material system. Synchrotron radiation computed tomography (SRCT) enabled a novel approach for damage assessment and quantification. Toughening mechanisms were detected in the particle-toughened systems consisting of particle–resin debonding, crack-deflection and crack-bridging. Quantification of the bridging behaviour, increase in crack path length and roughness was undertaken. Out of the three toughening mechanisms measured, particle systems exhibited a larger extent of bridging suggesting a significant contribution of this toughening mechanism compared to the system with no particles

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e-pub ahead of print date: 6 December 2013
Published date: March 2014
Keywords: A. carbon fibre, B. impact behaviour, B. fracture toughness, x-ray computed tomography
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 361039
URI: http://eprints.soton.ac.uk/id/eprint/361039
ISSN: 1359-835X
PURE UUID: 75a44aa1-f42e-4182-92bf-1a3622b85be8
ORCID for D.J. Bull: ORCID iD orcid.org/0000-0001-6711-6153
ORCID for S.M. Spearing: ORCID iD orcid.org/0000-0002-3059-2014

Catalogue record

Date deposited: 10 Jan 2014 16:36
Last modified: 01 Oct 2019 00:51

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