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High-strength magnetic core material

A magnetic core material with high strength technology, applied in the direction of magnetic materials, inorganic materials, magnetic objects, etc., can solve the problems of low mechanical strength, low insulation resistance, etc., achieve good dimensional stability, reduce core loss, and accurate dimensions sex high effect

Inactive Publication Date: 2016-09-28
TIANCHANG CITY ZHAOTIAN MAGNETOELECTRICITY TECH
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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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] A magnetic core material with high strength, prepared from the following raw materials in parts by weight (kg): iron oxide 58, zinc oxide 30, copper oxide 3, hafnium boride 3, sodium lauryl sulfate 0.4, alginic acid and Diol ester 0.3, diphenyl dihydroxy silane 0.2, propylene glycol phenyl ether 0.4, silane coupling agent kh5502.5, polyamide resin 3, sodium silicate 2, white oil 0.6, perlite powder 1, silica sol 1, poly Vinyl alcohol 1.4, polyvinyl butyral 0.7, magnetic carbon powder 1.1, nanometer lanthanum oxide 1.3, deionized water in proper amount.

[0013] The high-strength magnetic core material is prepared by the following specific steps:

[0014] (1) Mix iron oxide, manganese oxide, copper oxide, zinc oxide and hafnium boride, then add it to a ball mill and grind it into a fine powder, dilute the silane coupling agent kh550 with deionized water into a solution with a solubility of 4% , then add diphenyl dihydroxysilane, sodium lauryl sulfate, propylene glycol p...

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PUM

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Abstract

The invention discloses a high-strength magnetic core material. The high-strength magnetic core material is prepared from the following raw materials in parts by weight: 58-63 parts of ferric oxide, 17-21 parts of manganese oxide, 30-35 parts of zinc oxide, 3-4 parts of copper oxide, 3-4 parts of hafnium boride, 0.4-0.5 part of lauryl sodium sulphate, 0.3-0.4 part of propylene glycol alginate, 0.2-0.3 part of diphenyl dihydroxy silane, 0.4-0.5 part of propylene glycol phenyl ether, 2.5-3 parts of a silane coupling agent kh550, 3-3.5 parts of polyamide resin, 2-2.4 parts of sodium silicate, 0.6-1 part of white oil, 1-1.2 parts of crushed crude pearlite, 1-1.3 parts of silica sol, 1.4-2 parts of polyvinyl alcohol, 0.7-1 part of polyvinyl butyral, 1.1-2 parts of magnetic carbon powder, 1.3-2 parts of nanometer lanthanum oxide, and proper deionized water. The magnetic core material prepared by the invention is high in strength and saturation magnetic flux rate, excellent in comprehensive performance, simple in process, reasonable in design, low in cost, easy to realize and wide in application prospect.

Description

technical field [0001] The invention relates to the technical field of ferrite materials, in particular to a magnetic core material with high strength. Background technique [0002] With the rapid development of electronic information technology, metal magnetic powder cores are widely used in the fields of 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, sendust magnetic powder cores, sendust 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 then pressing them is called a metal magnetic powder core. After the ferromagnetic powder particles are insulated and coated, a layer of insulating dielectric film is formed on the surface, which ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F1/34H01F1/37
CPCH01F1/344H01F1/37
Inventor 徐杰周福林张文军张文献曾性儒王玉志董文龙
Owner TIANCHANG CITY ZHAOTIAN MAGNETOELECTRICITY TECH
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