FERROCOMPOSITE MATERIAL BASED ON PERMALLOY Russian patent published in 2000 - IPC

FIELD: powder metallurgy, specifically, composite magnetic materials used in radio electronics, communication equipment and electronics as cores of induction coils, pulse transformers, interference filters. SUBSTANCE: given ferrocomposite material contains chromium anhydride, silicon dioxide, lead, boron, sodium, lithium, bismuth, lanthanum, cadmium oxides, molybdenum permalloy and permalloy 50H with following ratio of components, per cent by mass: chromium anhydride 0.15-0.25; silicon dioxide 0.5-1.3; lead oxide 0.1-0.25; boron oxide 0.4-0.62; sodium oxide 0.7- 1.1; lithium oxide 0.3-0.8; bismuth oxide 0.16-0.24; lanthanum oxide 0.17-0.27; cadmium oxide 0.46-0.74; molybdenum permalloy 3.8-8.0; permalloy 50H 90.06- 86.33. EFFECT: material displays high saturation inductance in heavy magnetic fields over 100 Oe. 2 tbl