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Stable ferrite magnetic core material

A ferrite core, a stable technology, applied in the direction of the magnetism of inorganic materials, can solve the problem of reducing the saturation magnetization of materials, and achieve the effects of reducing molding pressure, good reliability, and high saturation magnetic induction

Inactive Publication Date: 2016-11-30
ANHUI DEXIN ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • 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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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] A stable ferrite core material, prepared from the following raw materials in parts by weight: hydroxyl iron powder 60, ferric oxide 10, manganese oxide 25, zinc oxide 21, silane coupling agent kh5704, silicone resin 5 , polyvinyl alcohol 1, sodium silicate 7, boron powder 0.6, nanoclay 0.8, zinc stearate 0.4, appropriate amount of water;

[0014] Described a kind of stable ferrite 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 pulverize fo...

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Abstract

The invention discloses a stable ferrite magnetic core material. The stable ferrite magnetic core material comprises the following raw materials in parts by weight: 60-65 parts of iron carbonyl powder, 10-15 parts of ferric oxide, 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 polyvinyl alcohol, 7-9 parts of sodium silicate, 0.6-0.7 parts of boron powder, 0.8-0.9 parts of nanometer clay, 0.4-0.5 parts of zinc stearate and a proper amount of water. According to the preparation method for the stable ferrite magnetic core material, the cost is relatively low and the process is simple; and in addition, the prepared ferrite magnetic core material has the wide-temperature range and low-loss characteristics, and is high in quality stability, high in reliability and worthy of popularization.

Description

technical field [0001] The invention relates to the technical field of ferrite materials, in particular to a stable ferrite 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 magnetic induct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F1/37C04B35/26C04B35/622
CPCC04B35/2658C04B35/622C04B2235/349H01F1/37
Inventor 李马林
Owner ANHUI DEXIN ELECTRIC
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