Elastic/Viscoplastic Constitutive Model for Fiber Reinforced Thermoplastic Composites

A constitutive model to describe the elastic/viscoplastic behavior of fiber-reinforced thermoplastic composites under plane stress conditions is presented. Formulations are given for quasi-static plasticity and time-dependent viscoplasticity. Experimental procedures required to generate the necessar...

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Bibliographic Details
Published in:AIAA journal 1991-03, Vol.29 (3), p.457-463
Main Authors: Gates, T. S, Sun, C. T
Format: Article
Language:English
Subjects:
Structural Mechanics
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Summary:A constitutive model to describe the elastic/viscoplastic behavior of fiber-reinforced thermoplastic composites under plane stress conditions is presented. Formulations are given for quasi-static plasticity and time-dependent viscoplasticity. Experimental procedures required to generate the necessary material constants are explained, and the experimental data is compared to the predicted behavior.
ISSN:0001-1452
1533-385X
DOI:10.2514/3.59922