Journal
JOURNAL OF COMPOSITE MATERIALS
Volume 43, Issue 2, Pages 125-138Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0021998308098237
Keywords
textile composite; picture frame test; shear deformation; wrinkling; theoretical modelling
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Funding
- Hong Kong CERG [HKUST6012/02E]
- Hong Kong Research Grant Council
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In hot stamping operations, the primary deformation mode of plain woven textile composite is shear deformation between yarns. In-plane picture frame test is an effective method to characterize the material's shear behavior. By proposing theoretical models based on our experimental study [19,20], the present article estimates the non-linear stiffness of the textile fabric during large shear deformation and the onset of wrinkling under additional yarn tension/compression at various temperatures. The relevant properties of materials are determined from experiments, and general mathematical expressions are formulated to predict the shear energy and the critical shear angle for textile composite fabrics of similar types. In addition, the size effect of the test sample is also investigated.
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