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Preparation of Magnetic Functional Materials

A magnetic function and raw material technology, applied in the field of preparation of magnetic functional materials, can solve the problems of low performance, achieve the effect of strengthening soft magnetism, reducing domain wall displacement, and promoting uniform growth

Inactive Publication Date: 2019-01-08
ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for preparing magnetic functional materials, which solves the problem of low performance of traditional soft ferrite core materials

Method used

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  • Preparation of Magnetic Functional Materials
  • Preparation of Magnetic Functional Materials

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preparation example Construction

[0017] The present invention provides a kind of preparation method of magnetic function material, and described preparation method comprises:

[0018] (1) Preparation of material A: mix C, Nd, Cd, Mn, S and Fe, mix and smelt it to obtain alloy liquid, and atomize the alloy liquid to obtain material A, wherein S and Fe are Added in the form of sulfur-iron alloy;

[0019] (2) Preparation of material B: Fe, Cd, Nd, Si, Sb and Sn are mixed into ingredients, mixed and smelted to obtain alloy liquid, and alloy liquid is atomized to obtain material B;

[0020] (3) Preparation of material C: PbO 2 、Al 2 o 3 , CaO, CdO, K 2 O and SiO 2 Mixing ingredients, then crushing, drying, sieving and sintering to obtain material C;

[0021] (4) Preparation of material D: PbO 2 , Mn 2 o 3 , CdO, Nd 2 o 3 and Fe 2 o 3 Mixing ingredients, then crushing, drying, sieving and sintering to obtain material D;

[0022] (5) Mix material B and material C 1:1, and compact to form a blank M, and...

Embodiment 1

[0048] Carry out the preparation of magnetic function material according to above-mentioned method, wherein, material A comprises following raw material composition by weight: C0.28%, Nd 3%, Cd 0.01%, Mn 21%, S 2.3% and balance Fe; Material B comprises following Raw material components in parts by weight: Fe 1%, Cd 0.01%, Nd 3%, Si 0.02%, Sb 11% and balance Sn; material C includes the following raw material components in parts by weight: PbO 2 0.1%, Al 2 o 3 0.1%, CaO 0.1%, CdO 0.1%, K 2 O 8% and balance SiO 2 ; Material D includes the following raw material components in parts by weight: PbO 2 0.1%, Mn 2 o 3 16%, CdO 0.1%, Nd 2 o 3 0.1% and balance Fe 2 o 3 ; The weight ratio of material A, material B, material C and material D is 0.1:0.005:0.005:10; the weight ratio of material B and material C is 1:1.

Embodiment 2

[0050] Carry out the preparation of magnetic function material according to the above-mentioned method, wherein, material A comprises following raw material composition by weight: C0.32%, Nd 4%, Cd 0.04%, Mn 23%, S 2.5% and balance Fe; Material B comprises following Raw material components in parts by weight: Fe 3%, Cd 0.03%, Nd 5%, Si 0.05%, Sb 13% and balance Sn; material C includes the following raw material components in parts by weight: PbO 2 0.2%, Al 2 o 3 0.3%, CaO 0.3%, CdO 0.3%, K 2 O 10% and balance SiO 2 ; Material D includes the following raw material components in parts by weight: PbO 2 0.3%, Mn 2 o 3 17%, CdO 0.3%, Nd 2 o 3 0.3% and balance Fe 2 o 3 ; The weight ratio of material A, material B, material C and material D is 0.3:0.015:0.015:10; the weight ratio of material B and material C is 1:1.

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Abstract

The invention discloses a preparation method of a magnetic functional material, which comprises the following steps: C, Nd, Cd, Mn, S and Fe are mixed, melted to obtain an alloy liquid after mixing, and material A is obtained by atomization treatment; the magnetic functional material A is prepared by mixing C, Nd, Cd, Mn, S and Fe; Fe, Cd, Nd, Si, Sb and Sn are adde into that mixed batch, aft mixing, the alloy liquid is melted, and material B is obtained by atomization treatment; C is obtain by mixing PbO2, Al2O3, CaO, CdO, K2O and SiO2, crushing, drying, sieving and sinter; Mixing PbO2, Mn2O3, CdO, Nd2O3 and Fe2O3, crushing, drying, sieving and sintering to obtain material D; Mixing material B and material C, compacting to form blank M, sintering the blank M, and grinding to obtain BC mixture; A magnetic functional material is obtain by mixing a material A, a material B and a material D, respectively carry out sintering treatment and secondary tempering treatment; The problem of low performance of traditional soft ferrite core material is solved.

Description

technical field [0001] The invention relates to the field of electronic materials, in particular to a method for preparing magnetic functional materials. Background technique [0002] As an important basic functional material, soft ferrite materials are widely used in electronic industries such as communications, sensors, audio-visual equipment, filters, transformers, etc., opening up a broad market for the application of soft ferrites; the patent number is CN201510839838.4 discloses a preparation method of high-performance and high-power soft ferrite core material, the soft ferrite core material is made of Fe 2 o 3 , NiO, ZnO, CuO, Co 2 o 3 , Mn 3 o 4 、GeO 2 、Eu 2 o 3 , GaAs, CaB 2 o 4 、Mo 2 o 3 , PbO, Bi 2 o 3 , V 2 o 3 、LaFeO 3 , SrCO 3 and other raw materials; the material of the present invention is made through steps such as primary batching, primary ball milling, primary sintering, secondary batching, secondary ball milling, compression molding, and ...

Claims

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Application Information

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IPC IPC(8): H01F41/02H01F1/33C04B35/26C22C38/60C22C38/04
CPCC04B35/2608C04B2235/3201C04B2235/3208C04B2235/3217C04B2235/3251C04B2235/3265C04B2235/3284C04B2235/3296C04B2235/40C04B2235/404C04B2235/405C04B2235/42C04B2235/422C04B2235/428C22C38/005C22C38/04C22C38/60H01F1/33H01F41/02
Inventor 赵浩峰张椿英郑建华柴知章苗思忠申学成
Owner ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE
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