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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Electrical properties of short sisal fiber reinforced polyester composites fabricated by resin transfer molding
Composites Part A: Applied Science and Manufacturing, Volume 43, No. 3, Year 2012
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Description
The electrical properties of sisal fiber reinforced polyester composites fabricated by resin transfer molding (RTM) have been studied with special reference to fiber loading, frequency and temperature. The dielectric constant (′), loss factor (″), dissipation factor (tan δ) and conductivity increases with fiber content for the entire range of frequencies. The values are high for the composites having fiber content of 50 vol.%. This increment is high at low frequencies, low at medium frequencies, and very small at high frequencies. The volume resistivity varies with fiber loading at lower frequency and merges together at higher frequency. When temperature increases the dielectric constant values increases followed by a decrease after the glass transition temperature. This variation depends upon the fiber content. Finally an attempt is made to correlate the experimental value of the dielectric constant with theoretical predictions. © 2011 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Sreekumar, P. A.
India, Kozhikode
National Institute of Technology Calicut
Saudi Arabia, Dhahran
King Fahd University of Petroleum and Minerals
France, Saint-etienne-du-rouvray
Faculté Des Sciences et Techniques
Saiter, Jean Marc
France, Saint-etienne-du-rouvray
Faculté Des Sciences et Techniques
Joseph, K. U.
India, Thiruvananthapuram
Indian Institute of Space Science and Technology
Unnikrishnan, Gopalakrishna Panicker
India, Kozhikode
National Institute of Technology Calicut
Sabu, Thomas P.
India, Kottayam
Mahatma Gandhi University
Statistics
Citations: 76
Authors: 5
Affiliations: 5
Identifiers
Doi:
10.1016/j.compositesa.2011.11.018
ISSN:
1359835X