A low-loss soft ferrite material

A soft ferrite, low-loss technology, applied in the fields of inorganic material magnetism, inductance/transformer/magnet manufacturing, electrical components, etc. , the effect of increasing the density

Active Publication Date: 2021-01-01
ZHONGDE ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As people's awareness of energy saving and emission reduction continues to increase, energy-saving switching power supplies are widely used, and the operating frequency range of their transformer cores is also getting higher and higher. The cores are made of ferrite materials, but ferrite materials for high-frequency ranges Its power loss is high, which will greatly reduce its service life

Method used

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  • A low-loss soft ferrite material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A low-loss soft magnetic ferrite material, the raw materials of which include by weight: 100 parts of main materials, 0.85 parts of auxiliary materials, and 7 parts of auxiliary agents;

[0018] The raw materials of the main ingredients include: Fe 2 o 3 57 parts, 31 parts of MnO, 8.5 parts of ZnO, 3.5 parts of NiO;

[0019] The raw materials of auxiliary materials include by weight: 3 parts of CaO, V 2 o 5 1 part, SnO 2 1 part, TiO 2 0.3 parts, Co 2 o 3 0.7 parts, Nb 2 o 5 0.2 parts, MoO 3 1 copy, Bi 2 o 3 0.3 parts, Ta 2 o 5 0.4 parts.

Embodiment 2

[0021] A low-loss soft magnetic ferrite material, the raw materials of which include by weight: 100 parts of main materials, 0.8 parts of auxiliary materials, and 8 parts of auxiliary agents;

[0022] The raw materials of the main ingredients include: Fe 2 o 3 56 parts, 33 parts of MnO, 8 parts of ZnO, 4 parts of NiO;

[0023] The raw materials of auxiliary materials include by weight: 2.5 parts of CaO, V 2 o 5 1.2 parts, SnO 2 0.9 parts, TiO 2 0.35 parts, Co 2 o 3 0.5 parts, Nb 2 o 5 0.25 parts, MoO 3 0.9 parts, Bi 2 o 3 0.4 parts, Ta 2 o 5 0.3 copies;

[0024] The raw materials of the auxiliary agents include 17 parts of polyvinyl alcohol, 0.5 parts of cetyltrimethylammonium bromide, 0.3 parts of polydimethylsiloxane, 0.6 parts of magnesium stearate and 85 parts of water.

Embodiment 3

[0026] A low-loss soft magnetic ferrite material, the raw materials of which include by weight: 100 parts of main materials, 0.9 parts of auxiliary materials, and 6 parts of auxiliary agents;

[0027] The raw materials of the main ingredients include: Fe 2 o 3 58 parts, 30 parts of MnO, 9 parts of ZnO, 3 parts of NiO;

[0028] The raw materials of auxiliary materials include by weight: 3.5 parts of CaO, V 2 o 5 0.8 parts, SnO 2 1.1 parts, TiO 2 0.25 parts, Co 2 o 3 1 part, Nb 2 o 5 0.15 parts, MoO 3 1.1 parts, Bi 2 o 3 0.2 parts, Ta 2 o 5 0.5 copies;

[0029] The raw materials of the auxiliary agent include by weight: 13 parts of polyvinyl alcohol, 0.7 part of cetyltrimethylammonium bromide, 0.1 part of polydimethylsiloxane, 0.8 part of magnesium stearate, and 75 parts of water;

[0030] In the preparation process of low-loss soft ferrite materials, wet grind the main material for 2 hours once, then adjust the temperature to 900 ° C, and pre-fire the ca...

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Abstract

The invention discloses a low-consumption soft magnet ferrite material which comprises the following raw materials in parts by weight: 100 parts of a main material, 0.8-0.9 part of an auxiliary material and 6-8 parts of aids, wherein the main material comprises the following raw materials in parts by mole: 56-58 parts of Fe2O3, 30-33 parts of MnO, 8-9 parts of ZnO and 3-4 parts of NiO; the auxiliary material comprises the following raw materials in parts by weight: 2.5-3.5 parts of CaO, 0.8-1.2 parts of V2O5, 0.9-1.1 parts of SnO2, 0.25-0.35 part of TiO2, 0.5-1 part of Co2O3, 0.15-0.25 part of Nb2O5, 0.9-1.1 parts of MoO3, 0.2-0.4 part of Bi2O3 and 0.3-0.5 part of Ta2O5. The low-consumption soft magnet ferrite material has properties of high frequency, high initial magnetic conductivity and low consumption.

Description

technical field [0001] The invention relates to the technical field of ferrite materials, in particular to a low-loss soft ferrite material. Background technique [0002] As people's awareness of energy saving and emission reduction continues to increase, energy-saving switching power supplies are widely used, and the operating frequency range of their transformer cores is also getting higher and higher. The cores are made of ferrite materials, but ferrite materials for high-frequency ranges Its power loss is high, which will greatly reduce its service life. Contents of the invention [0003] The invention provides a low-loss soft magnetic ferrite material, which has the properties of high frequency, high initial permeability and low loss. [0004] A kind of low-loss soft magnetic ferrite material proposed by the present invention, its raw material comprises by weight: 100 parts of main material, 0.8-0.9 part of auxiliary material, 6-8 parts of auxiliary agent; [0005] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/38C04B35/622C04B35/626C04B35/64H01F1/36H01F41/00
CPCC04B35/2633C04B35/265C04B35/622C04B35/62675C04B35/62695C04B35/64C04B2235/3208C04B2235/3232C04B2235/3239C04B2235/3251C04B2235/3256C04B2235/3262C04B2235/3275C04B2235/3279C04B2235/3284C04B2235/3293C04B2235/3298H01F1/36H01F41/00
Inventor 瞿德林王久如王晓祥李丛俊
Owner ZHONGDE ELECTRONICS
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