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High-superposition magnetic core material

A magnetic core material, high superposition technology, applied in the direction of inorganic material magnetism, inductance/transformer/magnet manufacturing, electrical components, etc., can solve the problem of reducing the saturation magnetization of materials, achieve lower sintering temperature, reduce residual porosity and stress, The effect of low loss

Inactive Publication Date: 2015-11-18
TIANCHANG CITY ZHAOTIAN MAGNETOELECTRICITY TECH
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the general organic or inorganic coating layer has non-magnetic characteristics. After compounding with metal magnetic particles, it will also reduce the saturation magnetization of the material to a certain extent. Loss while maintaining high density and saturation magnetization is the focus of current research

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] A high superposition magnetic core material, prepared from the following raw materials in parts by weight: hydroxy iron powder 60, ferric oxide 10, manganese oxide 25, zinc oxide 21, silane coupling agent kh5704, silicone resin 5, polyethylene Alcohol 1, sodium silicate 7, neodymium oxide 0.4, glass powder 1, lithium chloride 0.4, appropriate amount of water;

[0014] The high superposition magnetic core material is prepared by the following specific steps:

[0015] (1) Mix and ball-mill hydroxy iron powder, ferric oxide, manganese oxide, zinc oxide and silane coupling agent kh570 for 0.5h, then dissolve the silicone resin with 4 times the amount of acetone, and then add the above coupling magnetic powder to Stir in the organosilicon solution for 0.6h, then dry at 40°C for 1h and pulverize for later use;

[0016] (2) Mix the remaining materials except polyvinyl alcohol and sodium silicate, grind and disperse evenly, then anneal in vacuum at 120°C for 20 minutes, and pu...

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PUM

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Abstract

The invention discloses a high-superposition magnetic core material. The high-superposition magnetic core material is prepared from, by weight, 60-65 parts of hydroxyl iron powder, 10-15 parts of iron sesquioxide, 25-27 parts of manganese oxide, 21-23 parts of zinc oxide, 4-5 parts of silane coupling agent kh570, 5-7 parts of organic silicon resin, 1-2 parts of polyving akohol, 7-9 parts of sodium silicate, 0.4-0.5 part of neodymium oxide, 1-1.3 parts of glass powder, 0.4-0.7 part of lithium chloride and a proper amount of water. The prepared magnetic core material has the functions of very good superposition performance, high stability, the low loss and other aspects, the preparing technology is simple, material sources are wide, cost is low, and good applicability is achieved.

Description

technical field [0001] The invention relates to the technical field of ferrite materials, in particular to a highly superimposed magnetic core material. Background technique [0002] Soft magnetic material is a kind of magnetic material with low coercive force and high magnetic permeability. Under the action of external magnetic field, soft magnetic material shows the characteristics of easy magnetization and easy demagnetization. Soft magnetic material is used as magnetoelectric conversion It is one of the important functional materials in the field, and has a wide range of applications in the fields of electronic equipment, communications and electrical appliances. With the popularization of digital TV sets and notebook computers, electronic equipment is becoming lighter, thinner, and miniaturized. This will inevitably reduce the size of the power supply, and put forward higher and stricter requirements for the power supply. Due to the characteristics of high saturation m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F1/34H01F41/00
Inventor 徐杰周福林朱志强张文军张文献张德金曾性儒王玉志祝开峰董文龙
Owner TIANCHANG CITY ZHAOTIAN MAGNETOELECTRICITY TECH
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