Computational Thermal Model of Unidirectional Composites with Random Fiber Array

The purpose of this work was to study the influence of microstructure on effective transverse thermal behavior of unidirectional fiber reinforced composites. Three types of microstructures are taken into account, including square periodic, hexagonal periodic and random arrangements of circular fiber...

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Bibliographic Details
Published in:MATEC Web of Conferences 2018-01, Vol.237, p.2010
Main Authors: Zhang, Yuxuan, Wang, Hui, Lin, Wanqing
Format: Article
Language:English
Subjects:
Fiber composites
Fibers
Heat conductivity
Heat transfer
Metal matrix composites
Thermal analysis
Thermal conductivity
Thermodynamic properties
Unidirectional composites
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Summary:The purpose of this work was to study the influence of microstructure on effective transverse thermal behavior of unidirectional fiber reinforced composites. Three types of microstructures are taken into account, including square periodic, hexagonal periodic and random arrangements of circular fibers. Unlike classical results at low fiber volume fractions and low thermal conductivity contrast between fibers and matrices, results provided by finite elements simulations for copper matrix composite reinforced with Carbon T-300 fibers have shown that random microstructures strongly affect the effective thermal properties of unidirectional composites for both high volume fractions and thermal conductivity contrast and can give closer predictions to the experimental results than the regular microstructures and the theoretical model.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/201823702010