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In the present study material composite magnetite were synthesized by polyvinyl alcohol (PVA) matrix and filler hybrid Fe3O4-NdFeB, for enhancing mechanical and magnetic properties. Fe3O4 is obtained from the iron sands of East Lombok. The filler hybrid has gained its importance due to its low cost, substitute for pure BaFe. It’s possible to use it as a interest for many applications, especially as theragnostic agents for magnetic hyperthermia, drug delivery, and magnetic resonance imaging. This study aims to investigate the compressive strength, remanent magnetization value (Mr), coercivity (Hc) and maximum energy product value (BH) max. The composition of filler hybrid Fe3O4-NdFeB was varied at 10%: 50%, 20%: 40%, 30%:30%, and 40%: 20 % from a total mass (wt) of 5 grams. In addition, matrix PVA 40% wt. The test specimens produced the vacum infussion method. The results of this study indicate that the addition of Fe3O4 composition causes a decrease in mechanical properties (density, compressive strength), on the other hand, the addition of Fe3O4 causes an increase in the magnetic properties (Magnetic remanence (Mr), coersivity (Hc), maximum energy product (BH)) of the Fe3O4 - NdFeB hybrid magnetic composite material, with PVA binding matrices.

Study of mechanical and magnetic properties of magnet composite hybrid Fe3O4-NdFeB with matrix polyvinyl alcohol