Effect of Temperature on the Energy Release Rate Variation in Repaired Laminate Composites

This work initially aims to study the influence of temperature on the mechanical properties of composite materials and adhesive. With this purpose, the mechanical properties of the adhesive and composite were measured experimentally under different temperature to provide the requested information fo...

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Bibliographic Details
Published in:Journal of failure analysis and prevention 2023-02, Vol.23 (1), p.420-435
Main Authors: Belhouari, M., Benkheira, A., Madani, K., Campilho, R. D. S. G., Gong, X. L.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Composite materials
Composite structures
Corrosion and Coatings
Crack tips
Energy release rate
Finite element method
Materials Science
Mathematical analysis
Mathematical models
Mechanical properties
Numerical models
Quality Control
Reliability
Safety and Risk
Solid Mechanics
Technical Article > -Peer-Reviewed
Temperature effects
Tribology
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Summary:This work initially aims to study the influence of temperature on the mechanical properties of composite materials and adhesive. With this purpose, the mechanical properties of the adhesive and composite were measured experimentally under different temperature to provide the requested information for finite element modeling, and then inserted in a numerical model of bonded composite patch on cracked laminate composite plate to evaluate the fracture energy variations at repaired crack tip for different temperatures. The main results obtained confirm the beneficial effects of the composite patch on the mechanical behavior of a cracked composite. Moreover, the reduction in the mechanical properties induced by temperature negatively affects the repair strength. On the other hand, the fracture energy is strongly related to crack length and temperature.
ISSN:1547-7029
1728-5674
1864-1245
DOI:10.1007/s11668-023-01594-y