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THE D.C AND A.C ELECTRICAL PROPERTIES OF POLYMER FILLED WITH METAL POWDER | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 13, Issue 2, 2013, Pages 270-277 | ||
| Authors | ||
| Abdul- Raheem K. AbidAli; Ahmed Hashim and Assra Ali | ||
| Abstract | ||
| In this paper the effect of filler content on D.C and A.C electrical properties of polystyrene filled with copper powders has been investigated. The D.C conductivity of such composites increases suddenly by several order of magnitude at a critical weight concentration. The D.C electrical conductivity changed with increasing of temperature. Also the activation energy change with increasing filler concentration. The dielectric constant, dielectric loss, A.C electrical conductivity are increasing with increasing the concentration of the filler and frequency of applied electrical field. | ||
| Keywords | ||
| Dielectric constant; percolation threshold; polystyrene; Electrical conductivity | ||
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