Inelastic Response of Hybrid Composite Laminates

A model for predicting the nonlinear response of hybrid laminates sub jected to thermomechanical loads is presented. The theory accounts for the residual stress state present in the laminate following the cure cycle. Predictions of the model are com pared to the measured response of 0° and 90° coupo...

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Bibliographic Details
Published in:Journal of composite materials 1992-01, Vol.26 (1), p.2-19
Main Authors: Hidde, Jeffrey S., Herakovich, Carl T.
Format: Article
Language:English
Subjects:
360101 - Metals & Alloys- Preparation & Fabrication
360103 - Metals & Alloys- Mechanical Properties
COMPARATIVE EVALUATIONS
COMPOSITE MATERIALS
EVALUATION
Exact sciences and technology
FABRICATION
Fundamental areas of phenomenology (including applications)
HEAT TREATMENTS
Inelasticity (thermoplasticity, viscoplasticity...)
internal stress
LAYERS
loading
MATERIALS
MATERIALS SCIENCE
MATERIALS WORKING
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
NONLINEAR PROBLEMS
Physics
PLASTICITY
POISSON RATIO
RESIDUAL STRESSES
Solid mechanics
STRESSES
Structural and continuum mechanics
TENSILE PROPERTIES
tensile strength
THERMAL CYCLING
thermodynamic cycles
THERMOMECHANICAL TREATMENTS
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Description
Summary:A model for predicting the nonlinear response of hybrid laminates sub jected to thermomechanical loads is presented. The theory accounts for the residual stress state present in the laminate following the cure cycle. Predictions of the model are com pared to the measured response of 0° and 90° coupons for two different ARALL® lami nates. Excellent agreement is found between predicted and experimental results for the tensile response and good agreement is found for the Poisson's response.
ISSN:0021-9983
1530-793X
DOI:10.1177/002199839202600101