A magnetic material with high temperature stability and a preparation method thereof

A high-temperature stability, magnetic material technology, applied in the direction of magnetic materials, magnetic objects, inorganic materials, etc., can solve the problem of low comprehensive performance, and achieve the effects of low melting point, low raw material cost, and reduced wetting angle.

Inactive Publication Date: 2018-12-07
NANJING UNIV OF INFORMATION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the overall perfor...

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0024] A magnetic material with high temperature stability, which is composed of alloy material 1, alloy material 2, alloy material 3 and an inorganic ceramic material;

[0025] The weight ratio of the alloy material 1, the alloy material 2, the alloy material 3 and the inorganic ceramic material is 1:0.03:0.003:0.011;

[0026] The components and weight percentages in the alloy material 1 are: B 3.5%, Nd 30%, W 0.05%, In 0.8%, Dy 0.8%, S 0.1%, and the rest Fe;

[0027] The components and weight percentages of the alloy material two are: C 0.14%, Mn 0.30%, Nd 2%, W0.05%, Dy 0.1%, Si 0.3%, S 0.02%, P 0.02%, and the rest Fe ;

[0028] The components and weight percentages of the alloy material three are: Al 12%, Ti 2%, Zn 2%, Nd 0.02%, W 0.005%, Dy 0.01%, and the rest Cu;

[0029] Each composition and weight percentage in the inorganic ceramic material are: Al 2 o 3 20%, ZrO 2 3%, Sm 2 o 3 3%, BaO 2%, MnO 2.5%, PrO 3 4%, Fe 2 o 3 0.3%,TiO 2 0.1%, K 2 O 1%, B 2 ...

Embodiment 2

[0038] A magnetic material with high temperature stability, which is composed of alloy material 1, alloy material 2, alloy material 3 and an inorganic ceramic material;

[0039] The weight ratio of the alloy material 1, the alloy material 2, the alloy material 3 and the inorganic ceramic material is 1:0.06:0.005:0.013;

[0040] The components and weight percentages of the alloy material one are: B 5%, Nd 32%, W 0.07%, In 1%, Dy 1%, S 0.3%, and the rest Fe;

[0041] The components and weight percentages of the alloy material two are: C 0.18%; Mn 0.45%, Nd 5%, W0.07%, Dy 0.2%, Si 0.5%, S 0.04%, P 0.03%, and the rest Fe ;

[0042] The components and weight percentages of the alloy material three are: Al 14%, Ti 3%, Zn 4%, Nd 0.04%, W 0.007%, Dy 0.03%, and the rest Cu;

[0043] Each composition and weight percentage in the inorganic ceramic material are: Al 2 o 3 22%, ZrO 2 5%, Sm 2 o 3 4%,BaO 4%,MnO 3%,PrO 3 5%, Fe 2 o 3 0.5%,TiO 2 0.3%, K 2 O 2%, B 2 o 3 2%,...

Embodiment 3

[0052] A magnetic material with high temperature stability, which is composed of alloy material 1, alloy material 2, alloy material 3 and an inorganic ceramic material;

[0053] The weight ratio of the alloy material 1, the alloy material 2, the alloy material 3 and the inorganic ceramic material is 1:0.09:0.008:0.015;

[0054] The components and weight percentages in the alloy material one are: B 6.5%, Nd 34%, W 0.09%, In 1.2%, Dy 1.3%, S 0.5%, and the rest Fe;

[0055] The components and weight percentages of the alloy material two are: C 0.22%; Mn 0.65%, Nd 7%, W0.09%, Dy 0.3%, Si 0.6%, S 0.05%, P 0.045%, and the rest Fe ;

[0056] The components and weight percentages of the alloy material three are: Al 16%, Ti 5%, Zn 5%, Nd 0.05%, W 0.009%, Dy 0.05%, and the rest Cu;

[0057] Each composition and weight percentage in the inorganic ceramic material are: Al 2 o 3 24%, ZrO 2 6%, Sm 2 o 3 5%,BaO 6%,MnO 4%,PrO 3 6%, Fe 2 o 3 0.6%,TiO 2 0.4%,K 2 O 4%, B 2 o ...

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Abstract

The invention discloses a magnetic material with high temperature stability and a preparation method thereof, which is composed of an alloy material 1, an alloy material 2, an alloy material 3 and aninorganic ceramic material. The weight ratio of the alloy material 1, the alloy material 2, the alloy material 3 and the inorganic ceramic material is 1: 0.03- 0.09:0.003- 0.008:0.011- 0.015. The product obtained by the invention has excellent magnetic properties. In addition, the homogeneity of composition, microstructure and properties of the alloys were ensured by proper treatment, and the quality of the alloys was ensured. The preparation process of the alloy is simple, the cost of raw materials used for preparation is low, the process is simple, and the produced alloy has good properties,which is convenient for industrial production. The permanent magnet material prepared by the invention is suitable for the electric appliance industry.

Description

technical field [0001] The invention belongs to the field of metal materials, and relates to a magnetic material with high temperature stability and a preparation method thereof. Background technique [0002] Permanent magnet materials are widely used in the electrical industry. CN201310499302.3 relates to a nano-rare earth permanent magnet material with high temperature stability. Its basic expression is RxFe100~x~z~yBzNy, wherein R is a lanthanide rare earth element One or more of neodymium, praseodymium, etc., Fe is iron, B is boron, N is one of niobium, zirconium and other elements; x is any value from 15 to 36, z is 2 to 10 Any value of y, y is any value from 4 to 10. Preferably, the x is any number from 18 to 32, z is any number from 2.6 to 8.5, and y is any number from 4.8 to 9. However, the overall performance of this material is not high. Contents of the invention [0003] The purpose of the present invention is to provide a magnetic material with high temperat...

Claims

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Application Information

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IPC IPC(8): H01F1/09H01F1/057H01F1/058H01F1/053H01F41/02C22C1/05C22C9/01C22C38/02C22C38/12C22C38/60
CPCH01F1/09C22C1/05C22C9/01C22C38/002C22C38/005C22C38/02C22C38/12C22C38/60H01F1/053H01F1/0573H01F1/058H01F41/0253H01F41/0266
Inventor 蒋晓龙董英华陶昭灵赵浩峰
Owner NANJING UNIV OF INFORMATION SCI & TECH
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