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Investigations Of The Mechanical Behavior Of Graphite/Peek (Apc-2) Composits, Kyun Lee
Investigations Of The Mechanical Behavior Of Graphite/Peek (Apc-2) Composits, Kyun Lee
Doctoral Dissertations
The purpose of this research is to investigate the effects of two phenomena that are specific to thermoplastic resin composites. The phenomena are:
(a) the significant nonlinear creep, that occurs especially at high temperatures, which affects the residual thermal stresses in a geometrically constrained structure.
(b) the spatially nonuniform transverse crystallinity which develops in some fiber-reinforced thermoplastic composites, which introduces spatial variability and nonlinearity in the stiffness of the composite.
The first part of the dissertation is related to the former phenomenon. It presents a computational scheme for the optimal temperature path for APC-2 composite laminate, modeled as nonlinear, thermorheologically …