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Alloy for permanent magnet material and preparation method thereof

A technology of permanent magnetic materials and alloys, applied in the direction of magnetic materials, magnetic objects, electrical components, etc., can solve the problems of low comprehensive performance and long production cycle, and achieve the goal of eliminating direct contact, inhibiting growth, and high comprehensive magnetic performance Effect

Inactive Publication Date: 2018-02-13
ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE
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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 low overall performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] A kind of permanent magnetic alloy, its raw material is combined by alloy I, II, III and inorganic composite material IV, and the mass ratio of described alloy material I, II, III and inorganic composite material IV is 1:1:0.2:0.01;

[0052] The raw material composition and weight percentage of the alloy I are: Cr0.7%, Ta3%, Ge 0.1%, Ti0.3%, Sn0.5%, B3%, Nd21%, and the balance is Fe; Add in the form of boron-iron master alloy, the mass percentage of B in the boron-iron master alloy is 24%;

[0053] The raw material composition and weight percentage of the alloy II are: Ce15%, Bi0.02%, P0.06%, Pt0.06%, Be 0.02%, B2%, and the balance is Fe; the B is made of boron The form of iron master alloy is added, and the mass percent content of B in the boron-iron master alloy is 24%;

[0054] The raw material composition and weight percentage of the alloy III are: La 5%, P0.04%, B0.2%, Al5%, Si7%, and the balance is Fe; the B is added in the form of boron-iron master alloy , the ...

Embodiment 2

[0089] A kind of permanent magnet alloy, its raw material is combined by alloy I, II, III and inorganic composite material IV, and the mass ratio of described alloy material I, II, III and inorganic composite material IV is 1:1.5:0.6:0.01;

[0090] The raw material composition and weight percentage of the alloy I are: Cr 1.3%, Ta 7%, Ge 0.7%, Ti0.6%, Sn 0.9%, B 6%, Nd 25%, and the balance is Fe; B is added in the form of boron-iron master alloy, and the mass percentage of B in the boron-iron master alloy is 24%;

[0091] The raw material composition and weight percentage of the alloy II are: Ce 20%, Bi 00.06%, P 0.12%, Pt 0.10%, Be 0.07%, B 6%, and the balance is Fe; The form of the master alloy is added, and the mass percentage of B in the boron-iron master alloy is 24%;

[0092] The raw material composition and weight percentage of the alloy III are: La 8%, P 0.08%, B 0.6%, Al 8%, Si 11%, and the balance is Fe; the B is added in the form of boron-iron master alloy , the ma...

Embodiment 3

[0127] A kind of permanent magnetic alloy, its raw material is combined by alloy I, II, III and inorganic composite material IV, and the mass ratio of described alloy material I, II, III and inorganic composite material IV is 1:1.3:0.4:0.01;

[0128] The raw material composition and weight percentage of the alloy I are: Cr0.9%, Ta 5%, Ge 0.5%, Ti 0.4%, Sn0.7%, B5%, Nd23%, and the balance is Fe; Add in the form of boron-iron master alloy, the mass percentage of B in the boron-iron master alloy is 24%;

[0129] The raw material composition and weight percentage of the alloy II are: Ce18%, Bi 0.04%, B4%, P0.09%, Pt0.08%, Be 0.05%, and the balance is Fe; The form of alloy is added, and the mass percentage content of B in the boron-iron master alloy is 24%;

[0130] The raw material composition and weight percentage of the alloy III are: La 5%, P0.06%, B0.4%, Al 6%, Si9%, and the balance is Fe; the B is in the form of boron-iron master alloy Add, the mass percentage of B in the b...

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Abstract

The invention relates to an alloy II for a permanent magnet material and a preparation method thereof. The alloy II comprises the raw material components of, by weight, 15-20% of Ce, 0.02%-0.06% of Bi, 0. 06%-0.12% of P, 0.06%-0.10% of Pt, 0.02%-0.07% of Be, 2-6% of B and the balance Fe. The preparation method comprises the steps of batching, smelting, belt preparation, hydrogen crushing and grinding. A permanent magnet alloy which is prepared by using the alloy II for the permanent magnet material and combining with other alloys has the good thermal stability and good magnetic performance, and the preparation method of the permanent magnet alloy is simple in process, low in production cost and suitable for industrial production.

Description

technical field [0001] The invention belongs to the technical field of permanent magnetic materials, and in particular relates to an alloy II for permanent magnetic materials and a preparation method thereof. Background technique [0002] Permanent magnetic alloy is an important and indispensable functional material for modern industry and science and technology. People use the interaction between magnetic energy and magnetic energy, magnetic energy and electric energy to convert magnetic energy into electric energy or mechanical energy; use the effect of magnetic field on matter to change the microstructure of matter, promote energy saving and environmental protection, etc. Permanent magnetic alloys play an important functional role in all these devices or devices. [0003] CN201610964128.9 discloses a method for improving the boundary structure to prepare high-performance NdFeB magnets. Before the NdFeB powder is oriented and pressed, magnetron sputtering or vacuum evapor...

Claims

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Application Information

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IPC IPC(8): C22C38/32H01F1/058
CPCC22C38/005C22C38/002C22C38/32H01F1/058
Inventor 张椿英赵浩峰于鹏莫宏恩柴阜桐柴知章郑建华黄自成沈子强谢二想
Owner ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE