Development of rheological models for forming flows and picture-frame shear testing of fabric reinforced thermoplastic sheets

GB McGuinness, CM ÓBrádaigh - Journal of Non-Newtonian Fluid …, 1997 - Elsevier
The flow of fabric reinforced polymer sheets during sheet-forming processes is dominated by
shearing along fibre directions. The goal of this work is to develop models which describe
the reheological behaviour of commercially available fabric reinforced thermoplastic sheets.
Isotropic and anisotropic models which feature viscous and viscoelastic behaviour and
which are suitable for describing processes involving large deformations are developed.
Kinematic constraints of fibre inextensibility are used to represent the extremely high …
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