Dielectric Properties and a.c. Conductivity of Epoxy/Alumina Silicate NGK Composites

Waleed A. Hussain¹, Abdullah A. Hussein², Jabar M. Khalaf¹, Ali H. Al-Mowali^3*, Abdullwahab A. Sultan⁴

¹Department of Physics, College of Education for Pure Science, Basrah University, Basrah, Iraq.
²Department of Material Science, Polymer Research Centre, University of Basrah, Basrah, Iraq.
³Department of Chemistry, College of Science, University of Basrah, Basrah, Iraq.
⁴Southern Technical College, Basrah, Iraq.

DOI: 10.4236/aces.2015.53028                

Abstract

Alumina silicate powder which is extracted from the obsolete spark plug NGK (insulator part as a filler) has been used to produce epoxy/alumina silicate composite. The dielectric behavior of the composite materials (epoxy resin-alumina silicate NGK) is analyzed as a function of the filler content, temperature and frequency. AC conductivity and impedance are also studied. The results show that the permittivity, dielectric loss and loss tangent for all composites increase with increasing alumina silicate NGK filler content.

Keywords

Polymer-Matrix Composites, Dielectric Properties, Epoxy, Alumina Silicate

Conflicts of Interest

The authors declare no conflicts of interest.

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