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Permanent magnet material and preparation method thereof

A technology of permanent magnet material and inorganic material, applied in the field of medicine, can solve the problems of low comprehensive magnetic performance and long production cycle, and achieve the effect of good application prospect, low raw material cost and good performance.

Inactive Publication Date: 2019-12-03
XUZHOU NANFANG YONGCI MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this production method has a long production cycle and the comprehensive magnetic properties are not high

Method used

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  • Permanent magnet material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A permanent magnet material, which is mixed and sintered by material A and material B; the weight ratio of material A to material B is 5:120.

[0020] Material A consists of the substance Al[Si 4 o 10 ](OH) 8 , Substance K 2 O·Al 2 o 3 ·6SiO2 2 , zinc oxide and ferric oxide, the weight ratio between them is 1:0.5:0.1:0.5.

[0021] The weight percentage of each component in material B is: B 3%, Nd 22%, Bi 1.2%, Zr 0.03%, Lu 3%, Ho 0.08%, In 0.1%, P 0.08%, and the rest is Fe.

[0022] The structure diagram of the permanent magnet material is shown in figure 1 shown.

Embodiment 2

[0024] A permanent magnet material, which is mixed and sintered by material A and material B; the weight ratio of material A to material B is 5:110.

[0025] Material A consists of the substance Al[Si 4 o 10 ](OH) 8 , Substance K 2 O·Al 2 o 3 ·6SiO2 2 , zinc oxide and ferric oxide, the weight ratio between them is 1:0.7:0.1:0.5.

[0026] The weight percentage of each component in material B is: B 4%, Nd 25%, Bi 1.6%, Zr 0.06%, Lu 6%, Ho 0.11%, In 0.35%, P 0.12%, and the rest is Fe.

Embodiment 3

[0028] A permanent magnet material, which is mixed and sintered by material A and material B; the weight ratio of material A to material B is 5:100.

[0029] Material A consists of the substance Al[Si 4 o 10 ](OH) 8 , Substance K 2 O·Al 2 o 3·6SiO2 2 , zinc oxide and ferric oxide, the weight ratio between them is 1:0.8:0.1:0.5.

[0030] The weight percentage of each component in material B is: B 6%, Nd 26%, Bi 1.9%, Zr 0.09%, Lu 8%, Ho 0.12%, In 0.5%, P 0.15%, and the rest is Fe.

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Abstract

The invention discloses a permanent magnet material and a preparation method thereof. The permanent magnet material is formed by mixing and sintering a material A and a material B, wherein a weight ratio of the material A to the material B is 5: 100-120, the material A is composed of a substance Al[Si4O10](OH)8, a substance K2O*Al2O3*6SiO2, zinc oxide and ferroferric oxide, a weight ratio of the substance Al[Si4O10](OH)8 to the substance K2O*Al2O3*6SiO2 to the zinc oxide to the ferroferric oxide is 1: (0.5-0.8): 0.1: 0.5, the material B comprises components in percentage by weight, 3%-6% of B,22%-26% of Nd, 1.2%-1.9% of Bi, 0.03%-0.09% of Zr, 3%-8% of Lu, 0.08%-0.12% of Ho, 0.1%-0.5% of In, 0.08-0.15% of P and the balance of Fe. The prepared permanent magnet material has high magnetic performance, the preparation process is simple and convenient, cost of raw materials for preparation is low, and produced alloy has good performance, and the prepared permanent magnet material is convenient for industrial production, moreover, the material in the preparation process is properly treated, so uniformity of material components, tissues and properties is ensured, and the quality of the materials is ensured. The permanent magnet material prepared by the invention is suitable for the electric appliance industry and has the good application prospect.

Description

technical field [0001] The invention belongs to the field of medicine, and in particular relates to a permanent magnet material and a preparation method thereof. Background technique [0002] CN201811008469.4 discloses a preparation method of a Ce-containing nanocrystalline rare earth permanent magnet material, which includes the following steps: (1) preparing rapidly quenched CeFeBM main phase strips by means of melt quenching, and preparing REFeBM by means of melt quenching Or low melting point rare earth alloy RELM, through crushing to prepare main phase alloy powder or low melting point rare earth alloy powder; (2) single CeFeBM magnetic powder or the magnetic powder mixed with REFeBM and / or low melting point rare earth alloy RELM powder, for spark plasma sintering , to obtain Ce-containing nanocrystalline rare earth permanent magnet materials. The invention utilizes Ce-containing permanent magnet alloys to obtain nanocrystalline rare earth permanent magnet materials wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F1/09H01F1/11H01F1/057H01F41/02
CPCH01F1/0573H01F1/09H01F1/11H01F41/0253
Inventor 张作州
Owner XUZHOU NANFANG YONGCI MATERIAL
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