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Title: Thermal conductivity and thermal diffusivity of palm fiber reinforced binary phenolformaldehyde composites
Authors: Agrawal, Richa
Saxena, N S
Sharma, Kanan Bala
Sreekala, M S
Thomas, S
Issue Date: Dec-1999
Publisher: NISCAIR-CSIR, India
Abstract: Thermal conductivity and thermal diffusivity of binary dispersed composites prepared by reinforcing varying volume fractions or palm fiber in phenolformaldehyde (PF) matrix have been measured at room temperature and normal pressure employing the transient plane source technique (TPS). Composites obtained by reinforcing 20, 30, 40, 50 weight percentage or fibers in the phenolformaldehyde matrix have been studied. It has been round that thermal conductivity as well as thermal diffusivity or the composites decreases, from that or the matrix, as the fraction or the fiber increases in the composites. Further, the experimental results, are used to evaluate the thermal conductivity of the fiber employing Y Agari model. Results obtained by Y Agari model are compared with that obtained from two models and by extrapolation. Using thermal conductivity value or the matrix and thermal conductivity or the fiber, effective thermal conductivity of the composites have been evaluated employing different models and compared with the experimental results. Quite good agreement between experimental and theoretical results has been round.
Page(s): 865-869
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.37(12) [December 1999]

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