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Eng. & Tech. Journal
The effect of both weight fraction of aluminium and frequency on dielectric properties of Al-powder reinforced polyester composite materials were investigated. We study the dielectric behaviour of composite materials reinforced with (0, 5, 15, 30 &45) weight fraction of Al and frequency ranges (50-10 6 ) Hz at room temperature. The results show the dielectric constant and dielectric losses factor were increased with increasing in weight fraction of aluminium due to high conductivity offatcat:5r547h7xg5bvnp6plhhkrait2e