Maifanite base ferrite magnetic core material for transformer

Abstract

The present invention discloses a maifanite base ferrite magnetic core material for transformers. The maifanite base ferrite magnetic core material comprises main materials and additives, wherein the main materials comprise, by molar, 59-66.2 mol of Fe2O3, 15.7-21 mol of manganese oxide, 10.2-15 mol of zinc oxide, 1.3-2 mol of ferrocene, 1-1.2 mol of boron oxide, 0.1-0.2 mol of cobalt powder, and 0.01-0.02 mol of a rare earth composite magnetic conduction powder body, and the additives comprise, by weight (calculated as the weight of the ferrite magnetic core material), 70-100 ppm of beryllium oxide, 70-100 ppm of aluminum oxide, and 60-100 ppm of nickel. According to the ferrite magnetic core material of the present invention, the added rare earth magnetic conduction powder body has the high magnetic energy product, the magnetism is stable, the preparation method is simple, and the finished product has characteristics of high grain boundary resistivity, low porosity, and large and uniform grain.

Description

technical field [0001] The invention mainly relates to the field of manufacture of oxide magnetic materials, in particular to a medical stone-based ferrite core material for a transformer. Background technique [0002] With the development of communication technology and digitalization of electronic products, new requirements are put forward for soft ferrite and components. High-performance and high-permeability magnetic cores are widely used in various basic materials for telecommunications and information, such as common-mode filters, Saturated inductors, current transformers, leakage protectors, insulation transformers, signal and pulse transformers and other fields have been widely used. Now the electronic communication industry needs ferrite cores with low core loss and high magnetic permeability to meet the miniaturization and high efficiency requirements of electrical equipment. The existing magnetic cores are difficult to meet the above requirements; [0003] The ma...

AI Technical Summary

Problems solved by technology

Now the electronic communication industry needs ferrite cores with low core loss and high magnetic permeability to meet the miniaturization and high efficiency requirements of electrical equipment. The existing magnetic cores are difficult to meet the above requirements;