Elastic/Viscoplastic Behavior of Fiber-Reinforced Thermoplastic Composites

Author:

Wang C.1,Sun C. T.2,Gates T. S.3

Affiliation:

1. General Motors Technical Center, Warren, MI 48090-9010

2. School of Aeronautics and Astronautics, Purdue University, West Lafayette, IN 47907-1282

3. Analytical Services and Materials, NASA Langley Research Center, Hampton, VA 23665

Abstract

An elastic/viscoplastic constitutive model was used to characterize the nonlinear and rate dependent behavior of a continuous fiber-reinforced thermoplastic composite. This model was incorporated into a finite element program for analysis of laminated plates and shells. Details on the finite element formulation with the proposed constitutive model were presented. The numerical results were compared with experimental data for uniaxial tension and three-point bending tests of [± 45013, APC-2 lamintes.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

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