Different concentrations of cadmium ferrite (2%, 5%, 8%, 10% and 15%) were incorporated into epoxy resin. Cadmium ferrite was prepared by conventional ceramic technique. Composites are prepared by mixing the ferrite with epoxy by hand lay-up method at different percentages. The effect of ferrite content on tensile strength, hardness, thermal properties such thermal conductivity, thermal diffusivity and specific heat beside the dielectric strength were investigated. Using ferrite powders as

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... r to form particulate composite could lead to composite properties improvement. All the measured properties were improved with the increasing of the filler content. The results showed the important role of perfect adhesion between the filler and the polymer on the composite properties. It is found that the uniform distribution of filler particles in all directions of composite leads to the improved properties. ‫الخواص‬ ‫على‬ ‫بالفرايت‬ ‫التقوية‬ ‫تأثير‬ ‫الميكانيكية‬ ‫و‬ ‫الحرارية‬ ‫االيبوكسي‬ ‫لمتراكبات‬ ‫العزل‬ ‫ومقاومة‬ ‫الخالصة‬ ‫فرايت‬ ‫الكادميوم‬ ‫من‬ ‫مختلفة‬ ‫تراكيز‬) 2 ,% 5 ,% 8 ,% 10 ,% 15 (%