Micro-mechanistic analysis of in situ crack growth in toughened carbon/epoxy laminates to develop micro-mechanical fracture models
Micro-mechanistic analysis of in situ crack growth in toughened carbon/epoxy laminates to develop micro-mechanical fracture models
Mode I and Mode II crack growth through particle-toughened CFRPs (Carbon Fibre Reinforced Plastics) have been captured using in situ and ex situ Synchrotron Radiation Computed Tomography (SRCT) and Synchrotron Radiation Computed Laminography (SRCL). These experiments were used to provide non-destructive identification of fracture mechanisms at representative stress states for two different material geometries. The local micro-structure prior to crack propagation, the location of particle/matrix de-bonding events, the formation of bridging ligaments, and the evolution of the resultant crack path was identified and related to the local micro-structure. Such data is invaluable to the development and validation of physically representative micro-mechanical models for these material systems that are increasingly being used in primary aerospace structures.
CFRP, synchrotron radiation computed tomography, synchrotron radiation computed laminography, interlaminar failure
Borstnar, G.
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Mavrogordato, M.N.
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Sinclair, I.
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Spearing, S.M.
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22 June 2014
Borstnar, G.
d391eccc-0f99-473c-b7ba-e58f8bb952b4
Mavrogordato, M.N.
f3e0879b-118a-463a-a130-1c890e9ab547
Sinclair, I.
6005f6c1-f478-434e-a52d-d310c18ade0d
Spearing, S.M.
9e56a7b3-e0e8-47b1-a6b4-db676ed3c17a
Borstnar, G., Mavrogordato, M.N., Sinclair, I. and Spearing, S.M.
(2014)
Micro-mechanistic analysis of in situ crack growth in toughened carbon/epoxy laminates to develop micro-mechanical fracture models.
16th European Conference on Composite Materials (ECCM16), , Sevilla, Spain.
22 - 26 Jun 2014.
8 pp
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
Mode I and Mode II crack growth through particle-toughened CFRPs (Carbon Fibre Reinforced Plastics) have been captured using in situ and ex situ Synchrotron Radiation Computed Tomography (SRCT) and Synchrotron Radiation Computed Laminography (SRCL). These experiments were used to provide non-destructive identification of fracture mechanisms at representative stress states for two different material geometries. The local micro-structure prior to crack propagation, the location of particle/matrix de-bonding events, the formation of bridging ligaments, and the evolution of the resultant crack path was identified and related to the local micro-structure. Such data is invaluable to the development and validation of physically representative micro-mechanical models for these material systems that are increasingly being used in primary aerospace structures.
Text
MICRO-MECHANISTIC ANALYSIS OF IN SITU CRACK GROWTH IN TOUGHENED CARBON_EPOXY LAMINATES TO DEVELOP MICRO- MECHANICAL FRACTURE MODELS.pdf
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Published date: 22 June 2014
Venue - Dates:
16th European Conference on Composite Materials (ECCM16), , Sevilla, Spain, 2014-06-22 - 2014-06-26
Keywords:
CFRP, synchrotron radiation computed tomography, synchrotron radiation computed laminography, interlaminar failure
Organisations:
Engineering Mats & Surface Engineerg Gp
Identifiers
Local EPrints ID: 383702
URI: http://eprints.soton.ac.uk/id/eprint/383702
PURE UUID: 9d36eb79-c232-4c9a-9b8e-28204e8aed10
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Date deposited: 30 Nov 2015 11:43
Last modified: 15 Mar 2024 03:18
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Author:
G. Borstnar
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