Normalisation of shear test data for rate-independent compressible fabrics

Harrison, P., Wiggers, J. and Long, A.C. (2008) Normalisation of shear test data for rate-independent compressible fabrics. Journal of Composite Materials, 42(22), pp. 2315-2344. (doi:10.1177/0021998308095367)



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This article describes a method of using both picture frame (PF) and bias extension (BE) tests together to characterize accurately the trellis shearing resistance of engineering fabrics under low in-plane tension conditions. Automated image analysis software has been developed to reduce the amount of laborious manual analysis required to interpret BE data accurately. Normalization methods for both PF and BE tests on rate-independent compressible fabrics are presented. Normalization of PF test results is relatively straightforward while normalization of BE test results for direct comparison with PF data is more complicated. The normalization method uses a number of simple assumptions to account for the nonuniform shear strain field induced across BE samples during testing. Normalized results from BE tests on samples of different aspect ratios are compared and provide validation of the theory.

Item Type:Articles
Additional Information:Due to publisher embargo the full text will not be available until November 2009.
Keywords:textile composites, mechanical properties, deformation, shear resistance
Glasgow Author(s) Enlighten ID:Harrison, Dr Philip
Authors: Harrison, P., Wiggers, J., and Long, A.C.
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:Journal of Composite Materials
Publisher:SAGE Publications
Copyright Holders:Copyright © 2008 SAGE Publications
First Published:First published in Journal of Composite Materials 42(22):2315-2344
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher.

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