High-strength magnetic core and preparation method thereof

Abstract

The invention provides a high-strength magnetic core and a preparation method thereof, and relates to the technical field of magnetic core production. The magnetic core comprises, by weight, 50-54 parts of ferric oxide, 18-22 parts of copper oxide, 12-16 parts of zinc oxide, 6-10 parts of nickel oxide, 14-18 parts of chromium sesquioxide, 12-16 parts of nickel carbonate, 10-14 parts of manganese carbonate, 8-12 parts of cobalt oxide, 6-10 parts of magnesium hydroxide, 14-18 parts of manganous-manganic oxide, 12-16 parts of chromium carbide, 10-14 parts of tungsten carbide, 8-12 parts of polonium oxide, 6-10 parts of aluminum hydroxide, 2-4 parts of coupling agents, 1-3 parts of accelerants and 1-3 parts of defoaming agents. The magnetic core overcomes the shortcomings of the prior art, thestrength of the magnetic core is effectively improved, damage to the magnetic core in the assembly process is prevented, the service life of the magnetic core is greatly prolonged, use effects are good, characteristics such as the impedance, the Curie temperature and magnetic conductivity of the magnetic core are effectively improved, and the magnetic core is small in internal stress, superior inperformance and suitable for popularization.

Description

technical field [0001] The invention relates to the technical field of magnetic core production, in particular to a high-strength magnetic core and a preparation method thereof. Background technique [0002] The magnetic core refers to a sintered magnetic metal oxide composed of various iron oxide mixtures. For example, manganese-zinc ferrite and nickel-zinc ferrite are typical core body materials. Ferrite cores are used in coils and transformers in various electronic devices. With the rapid development of digital communication technology and optical fiber communication technology, traditional analog communication equipment is constantly updated and eliminated. In broadband transformers of electronic circuits, pulse transformers in the fields of integrated business data networks, local area networks, wide area networks, background lighting, etc., and high permeability magnetic cores for common mode filter inductors in photovoltaic inverters, due to the development of small...

AI Technical Summary

Problems solved by technology

[0003] At present, the formula composition and production process of the magnetic core are unreasonable, resulting in low strength of the magnetic core, making it easy to damage the magnetic core during the assembly process, not withstand voltage, the service life of the magnetic core is short, and the use effect is poor