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Soft magnet core material with high saturation magnetic flux transmission performance

A technology of transmission performance and magnetic core material, applied in the direction of inorganic material magnetism, transformer/inductor parts, electrical components, etc., can solve the problems of low insulation resistance, low mechanical strength, etc., to reduce core loss and dimensional stability. Good, high saturation flux effect

Inactive Publication Date: 2016-07-13
TIANCHANG TIANHAO REFRIGERATION EQUIP FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the miniaturization of magnets, materials with high magnetic permeability among metal materials often have the problems of low insulation resistance and low mechanical strength.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] A soft magnetic core material with high saturation magnetic flux transmission performance is prepared from the following raw materials in parts by weight (kg): nickel oxide 25, ferric oxide 58, zinc oxide 21, silicon dioxide 6, propolis 0.3, Diphenylsilicone 0.2, guanidine carbonate 0.8, alginate 0.2, stearic acid 0.7, silane coupling agent kh5502.6, barium titanate 0.7, polyamide resin 2.6, sodium silicate 2, silica sol 1. Polyvinyl alcohol 1, nanometer dysprosium 0.5, magnetic carbon powder 1.3, nanometer lanthanum oxide 1.1, appropriate amount of deionized water.

[0013] The soft magnetic core material with high saturation magnetic flux transmission performance is prepared by the following specific steps:

[0014] (1) Mix ferric oxide, silicon dioxide, zinc oxide and nickel oxide, then add them to a ball mill and grind into fine powder, dilute the silane coupling agent kh550 with deionized water to a solution with a solubility of 4%, Add propolis, diphenylsilicone ...

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Abstract

The invention discloses a soft magnet core material with high saturation magnetic flux transmission performance. The soft magnet core material is prepared from the following raw materials in parts by weight: 25-26 parts of nickel oxide, 58-62 parts of ferric oxide, 21-23 parts of zinc oxide, 6-8 parts of silicon dioxide, 0.3-0.5 part of propolis, 0.2-0.3 part of diphenyl silanediol, 0.8-1.1 parts of guanidine carbonate, 0.2-0.4 part of propylene glycol alginate, 0.7-0.9 part of stearic acid, 2.6-3 parts of a silane coupling agent kh550, 0.7-0.9 part of barium titanate, 2.6-3 parts of polyamide resin, 2-2.6 parts of sodium silicate, 1-1.4 parts of silica sol, 1-1.3 parts of polyvinyl alcohol, 0.5-0.6 part of nano dysprosium, 1.3-2 parts of magnetic carbon powder, 1.1-2 parts of nano lanthanum oxide and a proper amount of deionized water. The prepared core material is excellent in transmission performance, simple in production process, high in production efficiency and high in mechanical strength, and is more suitable for durably working in a high-temperature environment.

Description

technical field [0001] The invention relates to the technical field of ferrite materials, in particular to a soft magnetic core material with high saturation magnetic flux transmission performance. Background technique [0002] With the rapid development of electronic information technology, metal magnetic powder cores are widely used in line filters, output inductors and switching power supplies. Magnetic materials are mainly divided into iron powder cores, iron-silicon magnetic powder cores, high-flux magnetic powder cores, iron-silicon-aluminum magnetic powder cores, iron-silicon-nickel magnetic powder cores, iron-nickel-molybdenum magnetic powder cores and amorphous nanocrystalline magnetic powder cores. A soft magnetic composite material obtained by mixing ferromagnetic powder particles with an insulating medium and pressing is called a metal magnetic powder core. After the ferromagnetic powder particles are insulated and coated, an insulating dielectric film is formed...

Claims

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Application Information

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IPC IPC(8): H01F1/36H01F27/255
CPCH01F1/36H01F27/255
Inventor 薛建军薛清予
Owner TIANCHANG TIANHAO REFRIGERATION EQUIP FACTORY
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