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Cooling and crystallisation behaviour during vacuum-consolidation of commingled thermoplastic composites

Lookup NU author(s): Muhammad Ijaz, Professor Mark Robinson, Professor Geoff Gibson

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Abstract

This paper describes the experimental and modelling results of a study on the vacuum consolidation of commingled thermoplastic composites. Samples of Twintex® glass/polypropylene (GFPP) fabric were melted, consolidated and cooled to room temperature by different cooling routes. The temperature field and the occurrence of a plateau in the through-thickness cooling profiles were modelled by coupling a non-isothermal crystallisation kinetics model with the energy equation, solved numerically using temperature-independent thermal properties for the resin. The model correctly predicted the onset of crystallisation and the degree of undercooling over a range of cooling rates. Predictions for the crystallisation rate, half-time, and temperature range agreed well with the literature data available. © 2006 Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Ijaz M, Robinson M, Gibson AG

Publication type: Article

Publication status: Published

Journal: Composites Part A: Applied Science and Manufacturing

Year: 2007

Volume: 38

Issue: 3

Pages: 828-842

Print publication date: 01/03/2007

ISSN (print): 1359-835X

ISSN (electronic):

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.compositesa.2006.08.007

DOI: 10.1016/j.compositesa.2006.08.007


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