Compression and permeability properties of multiaxial warp-knit preforms

Textile preform properties such as compression and permeability greatly influence the quality of the composite material and its performance, particularly those prepared by injection moulding techniques like resin transfer moulding (RTM). Directionally oriented warp-knit biaxial, triaxial and quadrax...

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Bibliographic Details
Published in:Journal of the Textile Institute 2008-01, Vol.99 (4), p.287-294
Main Authors: Padaki, Naveen V., Alagirusamy, R., Deopura, B. L., Fangueiro, R.
Format: Article
Language:English
Subjects:
compression
multiaxial warp knits
permeability
Textile preforms
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Summary:Textile preform properties such as compression and permeability greatly influence the quality of the composite material and its performance, particularly those prepared by injection moulding techniques like resin transfer moulding (RTM). Directionally oriented warp-knit biaxial, triaxial and quadraxial glass fabrics have been studied for these preform properties. The preform compression properties were tested on the universal testing machine up to a maximum force of 250 N. The rate of test liquid flow through these preforms has been measured using the horizontal wicking test method. The permeability of these preforms has been analyzed based on the liquid flow-rate data. Fibre orientation and fibre volume fraction of the preforms are observed to be important factors influencing these preform properties.
ISSN:0040-5000
1754-2340
DOI:10.1080/00405000701414733