Predicting compression failure of composite laminates in fire

A thermo-structural model was developed and validated to predict the failure of compressively loaded fiber-reinforced polymer (FRP) laminates during one-sided heating from a fire. The model consists of a one-dimensional pyrolysis model to predict the thermal response of a decomposing material and an...

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Veröffentlicht in:Composites. Part A, Applied science and manufacturing Jg. 43; H. 5; S. 773 - 782
Hauptverfasser: Summers, P.T., Lattimer, B.Y., Case, S., Feih, S.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Elsevier Ltd 01.05.2012
Schlagworte:
A. Polymer–matrix composites (PMCs)
C. Analytical modeling
C. Computational modeling
equations
Fire
heat transfer
modulus of elasticity
polymers
prediction
pyrolysis
temperature
testing
A. Polymer–matrix composites (PMCs)
C. Analytical modeling
C. Computational modeling
Fire
ISSN:1359-835X, 1878-5840
Online-Zugang:Volltext
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Zusammenfassung:A thermo-structural model was developed and validated to predict the failure of compressively loaded fiber-reinforced polymer (FRP) laminates during one-sided heating from a fire. The model consists of a one-dimensional pyrolysis model to predict the thermal response of a decomposing material and an integral structural model based on the bending equation. The thermo-structural model predicts temperatures, out-of-plane deflections, and compressive failure of laminates exposed to fire conditions. Model results were validated with intermediate-scale compression load failure tests with a one-sided heat flux exposure. Through a sensitivity analysis of the model predictions to input parameters, the residual elastic modulus was determined to be of utmost importance to both prediction of out-of-plane deflection and time-to-failure.
Bibliographie:http://dx.doi.org/10.1016/j.compositesa.2012.02.003
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ISSN:1359-835X
1878-5840
DOI:10.1016/j.compositesa.2012.02.003