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Wide-temperature and wideband zinc-nickel soft magnetic ferrite material and preparation method thereof

A soft ferrite and broadband technology, which is applied in the field of wide temperature and broadband nickel-zinc soft ferrite material and its preparation, can solve the problems that the Curie temperature and frequency cannot be satisfied.

Inactive Publication Date: 2017-01-25
ZHONGDE ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The Curie temperature and frequency of the soft ferrite in the prior art cannot meet the needs of the prior art, so it is urgent to design a wide temperature and broadband nickel-zinc soft ferrite material to solve the problems in the prior art

Method used

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  • Wide-temperature and wideband zinc-nickel soft magnetic ferrite material and preparation method thereof

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Effect test

Embodiment 1

[0021] A wide temperature and broadband nickel-zinc soft magnetic ferrite material proposed by the present invention is prepared from main materials and auxiliary materials at a weight ratio of 1:0.4, wherein the main materials include: chromium oxide 52.8 mol%, zinc oxide 23.0 mol %, nickel carbonate 20.5mol%, iron oxide 5.45mol%, copper oxide 1.0mol%, manganese carbonate 2.0mol%, and the balance is iron powder; based on the weight of the main material, the auxiliary materials include: aluminum oxide 0.0055%, vanadium oxide 0.045%, zirconia 0.05%, tungsten trioxide 0.03%, bismuth oxide 0.10%, dicobalt oxide 0.20%, sintering aid 0.2%, polyvinyl alcohol aqueous solution 0.05%, dispersant 0.07%.

[0022] The sintering aid is made by mixing lithium oxide, lead oxide, vanadium trioxide, tin oxide and molybdenum trioxide in a weight ratio of 2:3.5:4.5:3.5:6.

Embodiment 2

[0024] A wide temperature and broadband nickel-zinc soft magnetic ferrite material proposed by the present invention is prepared from main materials and auxiliary materials at a weight ratio of 1:0.3, wherein the main materials include: chromium oxide 51.15 mol%, zinc oxide 24.8 mol %, nickel carbonate 19.5mol%, iron oxide 7.2mol%, copper oxide 0.5mol%, manganese carbonate 2.5mol%, and the balance is iron powder; based on the weight of the main material, the auxiliary materials include: aluminum oxide 0.003%, 0.06% vanadium oxide, 0.04% zirconia, 0.04% tungsten trioxide, 0.05% bismuth oxide, 0.25% cobalt trioxide, 0.1% sintering aid, 0.04% polyvinyl alcohol aqueous solution with a mass fraction of 0.8%.

[0025] The sintering aid is made by mixing lithium oxide, lead oxide, vanadium trioxide, tin oxide and molybdenum trioxide in a weight ratio of 1:5:3:5:4.

[0026] A kind of preparation method of wide-temperature broadband nickel-zinc soft magnetic ferrite material of the pre...

Embodiment 3

[0034] A wide temperature and broadband nickel-zinc soft magnetic ferrite material proposed by the present invention is prepared from main materials and auxiliary materials at a weight ratio of 1:0.5, wherein the main materials include: chromium oxide 54.45 mol%, zinc oxide 21.2 mol %, nickel carbonate 21.5mol%, iron oxide 3.6mol%, copper oxide 1.5mol%, manganese carbonate 1.5mol%, and the balance is iron powder; based on the weight of the main material, the auxiliary materials include: aluminum oxide 0.008%, 0.03% vanadium oxide, 0.06% zirconia, 0.02% tungsten trioxide, 0.15% bismuth oxide, 0.15% cobalt trioxide, 0.3% sintering aid, 0.06% polyvinyl alcohol aqueous solution with a mass fraction of 0.5%.

[0035] The sintering aid is composed of lithium oxide, lead oxide, vanadium trioxide, tin oxide and molybdenum trioxide in a weight ratio of 3:2:6:2:8.

[0036] A kind of preparation method of wide-temperature broadband nickel-zinc soft magnetic ferrite material of the presen...

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Abstract

The invention disclsoes a wide-temperature and wideband zinc-nickel soft magnetic ferrite material. The wide-temperature and wideband zinc-nickel soft magnetic ferrite material is prepared from a main material and an auxiliary material at the weight ratio of 1 to (0.3 to 0.5), wherein the main material comprises: chromium oxide, zinc oxide, nickel carbonate, iron oxide, copper oxide, manganese carbonate and the balance of iron powder; by taking the weight of the main material as the basis, the auxiliary material comprises aluminum sesquioxide, vanadium oxide, zirconium oxide, tungsten trioxide, bismuth oxide, cobalt sesquioxide, a sintering auxiliary agent and a polyvinyl alcohol water solution. The invention further provides a preparation method of the wide-temperature and wideband zinc-nickel soft magnetic ferrite material. The zinc-nickel soft magnetic ferrite material prepared by the preparation method has wide-temperature and wideband properties.

Description

technical field [0001] The invention relates to a soft magnetic ferrite material and a preparation method thereof, in particular to a wide temperature and broadband nickel-zinc soft magnetic ferrite material and a preparation method thereof. Background technique [0002] With the rapid development of digital communication technology and optical fiber communication technology, traditional analog communication equipment is constantly updated and eliminated. High-permeability ferrite cores for broadband transformers in electronic circuits, pulse transformers in the fields of integrated business data networks, local area networks, wide area networks, background lighting, and photovoltaic inverters for common-mode filter inductors, due to the miniaturization of transformers, etc. Therefore, higher requirements are put forward for the magnetic properties of ferrite. Especially in the current electronic information age, various electronic interferences in the external environment a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/26C04B35/622C04B35/626
CPCC04B35/265C04B35/622C04B35/6261C04B35/62645C04B35/62695C04B2235/3203C04B2235/3217C04B2235/3239C04B2235/3241C04B2235/3244C04B2235/3256C04B2235/3258C04B2235/3275C04B2235/3281C04B2235/3284C04B2235/3293C04B2235/3296C04B2235/3298C04B2235/442C04B2235/96
Inventor 王久如王晓祥沈建元李丛俊
Owner ZHONGDE ELECTRONICS
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