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Title: Analysis of nonlinear deformations and damage in CFRP textile laminates
Authors: Ullah, Himayat
Harland, Andy R.
Lucas, Tim
Price, Daniel S.
Silberschmidt, Vadim V.
Issue Date: 2011
Publisher: © IOP Publishing Ltd
Citation: ULLAH, H. ... et al., 2011. Analysis of nonlinear deformations and damage in CFRP textile laminates. Journal of Physics: Conference Series, 305 (1), 012045
Abstract: Carbon fibre-reinforced polymer (CFRP) textile composites are widely used in aerospace, automotive and construction components and structures thanks to their relatively low production costs, higher delamination and impact strength. They can also be used in various products in sports industry. These products are usually exposed to different in-service conditions such as large bending deformation and multiple impacts. Composite materials usually demonstrate multiple modes of damage and fracture due to their heterogeneity and microstructure, in contrast to more traditional homogeneous structural materials like metals and alloys. Damage evolution affects both their in-service properties and performance that can deteriorate with time. These damage modes need adequate means of analysis and investigation, the major approaches being experimental characterisation, numerical simulations and microtomography analysis. This research deals with a deformation behaviour and damage in composite laminates linked to their quasi-static bending. Experimental tests are carried out to characterise the behaviour of woven CFRP material under large-deflection bending. Two-dimensional finite element (FE) models are implemented in the commercial code Abaqus/Explicit to study the deformation behaviour and damage in woven CFRP laminates. Multiple layers of bilinear cohesive-zone elements are employed to model the onset and progression of inter-ply delamination process. X-ray Micro-Computed Tomography (MicroCT) analysis is carried out to investigate internal damage mechanisms such as cracking and delaminations. The obtained results of simulations are in agreement with experimental data and MicroCT scans.
Description: This is a journal article. It was published in the serial, Journal of Physics: Conference Series [© IOP Publishing Ltd] and the definitive version is available at: http://iopscience.iop.org/1742-6596/305/1/012045
Version: Accepted for publication
DOI: 10.1088/1742-6596/305/1/012045
URI: https://dspace.lboro.ac.uk/2134/8714
Publisher Link: http://iopscience.iop.org/1742-6596/305/1/012045
ISSN: 1742-6588
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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