Effects of processing parameters on material responses during in-situ filament winding of thermoplastic composites Online publication date: Wed, 03-Nov-2010
by M.N. Ghasemi Nejhad, J.W. Gillespie
International Journal of Materials and Product Technology (IJMPT), Vol. 9, No. 1/2/3, 1994
Abstract: The in-situ thermoplastic composite filament winding process employs a localized, on-line, and continuous melting/solidification technique which can reduce the residual stresses and allow for improved dimensional stability and performance. During the processing of thermoplastic composite materials, thermal expansion and crystallization shrinkage strains contribute to changes in the material specific volume and represent important sources of internal loadings/stresses. This work employs three-dimensional anisotropic thermal and stress analyses to present the effects of winding angle and matrix modulus on the effective coefficient of thermal expansion as well as process-induced stresses and deformations of the parts during in-situ filament winding of a thermoplastic composite, APC-2. The results show that the processing parameters have significant effects on the material responses of the parts being wound using this manufacturing technique.
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