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Received: 2008-10-21

Revision Accepted: 2008-12-09

Crosschecked: 2009-04-23

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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.5 P.704-709


Evaluation of the effective thermal conductivity of composite polymers by considering the filler size distribution law

Author(s):  Sorin HOLOTESCU, Floriana D. STOIAN

Affiliation(s):  Department of Thermal Machines, Technology and Transportation, “ more

Corresponding email(s):   sorin.holotescu@mec.upt.ro

Key Words:  Effective thermal conductivity (ETC), Filler size distribution, Equivalent volume fraction, Composite polymer

Sorin HOLOTESCU, Floriana D. STOIAN. Evaluation of the effective thermal conductivity of composite polymers by considering the filler size distribution law[J]. Journal of Zhejiang University Science A, 2009, 10(5): 704-709.

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author="Sorin HOLOTESCU, Floriana D. STOIAN",
journal="Journal of Zhejiang University Science A",
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%DOI 10.1631/jzus.A0820733

T1 - Evaluation of the effective thermal conductivity of composite polymers by considering the filler size distribution law
A1 - Floriana D. STOIAN
J0 - Journal of Zhejiang University Science A
VL - 10
IS - 5
SP - 704
EP - 709
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A0820733

We present an empirical model for the effective thermal conductivity (ETC) of a polymer composite that includes dependency on the filler size distribution—chosen as the Rosin-Rammler distribution. The ETC is determined based on certain hypotheses that connect the behavior of a real composite material A, to that of a model composite material B, filled with mono-dimensional filler. The application of these hypotheses to the Maxwell model for ETC is presented. The validation of the new model and its characteristic equation was carried out using experimental data from the reference. The comparison showed that by using the size distribution law a very good fit between the equation of the new model (the size distribution model for the ETC) and the reference experimental results is obtained, even for high volume fractions, up to about 50%.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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