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Permanent magnet alloy and preparing method thereof

A permanent magnetic alloy and alloy technology, applied in the direction of magnetic materials, magnetic objects, inorganic materials, etc., can solve the problems of low comprehensive performance and long production cycle, achieve enhanced demagnetic coupling, eliminate direct contact, and inhibit long-term big effect

Active Publication Date: 2017-12-01
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 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 1:1:0.2:0.01;

[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 ma...

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 0.06%, P 0.12%, Pt 0.10%, Be 0.07%, B 6%, and the balance is Fe; the B is boron The form of iron master alloy is added, and the mass percent content 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 ma...

Embodiment 3

[0127] 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 1:1.3:0.4:0.01;

[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 bor...

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Abstract

The invention relates to permanent magnet alloy and a preparing method thereof. The permanent magnet alloy is compounded by alloy I, alloy II, alloy III and an inorganic composite material IV, and the mass ratio of alloyIto alloyIIto alloyIII and to the inorganic composite material IV is 1: (1-1.5) : (0.2-0.6) : 0.01. The preparing method comprises the steps of material preparing, pressing and forming, sintering and heat treatment. According to the permanent magnet alloy and the preparing method thereof, the permanent magnet alloy has good thermal stability and good magnetic performance; the preparing method of the permanent magnet alloy is simple in technology, the production cost is low, and the permanent magnet alloy is suitable for industrialized production.

Description

technical field [0001] The invention belongs to the technical field of permanent magnet materials, and in particular relates to a permanent magnet alloy 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 evaporation is used on the N...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F1/057H01F1/08C22C38/26C22C38/28C22C38/32C22C38/06C22C38/02C22C33/06B22F9/04B22F1/00
CPCB22F1/0003B22F9/04C22C33/06C22C38/002C22C38/005C22C38/008C22C38/02C22C38/06C22C38/26C22C38/28C22C38/32H01F1/0577
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
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