Abstract
The characteristics of plain woven fabric composites in forming process was investigated using a fabric deformation theory. The effects of two major factors, i.e. the angle reduction between the crossing fibre yarns as well as the elongation of fibre yarns, were studied for draping of the fabric composites onto hemisphere, semi-hemisphere and cone geometries. The relationships between the maximum angle reduction and the shape parameters were established for these geometries. The contact force between the crossing fibre yarns was obtained using a bi-axial deformation theory of woven fabrics. It has been found that for a hemisphere the contact force increases as a function of the meridian angle Φ and achieves its maximum at Φ = 45°. The shear deformation energy of the fabric composite was obtained applying a simple friction law between the crossing fibre yarns.
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