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Formula and preparation method of ferrite permanent magnetic material

A ferrite permanent magnet and formula technology, which is applied in the direction of inorganic material magnetism, inductance/transformer/magnet manufacturing, electrical components, etc., can solve the problem of inconvenient use of ferrite permanent magnet materials, low brittle magnetism, and inability to perform self-cleaning and anti-rust problems, to achieve good promotion and use value, improve the coercive force, and increase the effect of product compactness

Inactive Publication Date: 2018-05-29
宁波市鄞州智伴信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing ferrite permanent magnet materials are relatively brittle and have low magnetic properties, and at the same time cannot perform self-cleaning and anti-rust effects, resulting in the inconvenient use of ferrite permanent magnet materials.

Method used

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  • Formula and preparation method of ferrite permanent magnetic material

Examples

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Comparison scheme
Effect test

Embodiment 1

[0025] The invention provides a formula of ferrite permanent magnet material, which comprises the following components by weight percentage: iron red 60%, barium carbonate 10%, silicon dioxide 5%, calcium carbonate 3%, strontium sulfate 5%, titanium dioxide 1 %, rust remover 5%.

[0026] The configuration method is as follows:

[0027] Step 1: Mix the barium carbonate and iron red at a ratio of 1:5, stir for 10 minutes to make the barium carbonate and iron red evenly distributed, and pour it into a container bottle;

[0028] Step 2: Add silicon dioxide into the container bottle described in step 1, and stir for 5 minutes to make the silicon dioxide evenly distributed;

[0029] Step 3: heating the calcium carbonate at 1000° for 30 minutes, so that the calcium carbonate forms a solution;

[0030] Step 4: Cool the solution described in Step 3 to 26° to form a solid and stir it into particles;

[0031] Step 5: Add the particles described in step 4 into the container bottle desc...

Embodiment 2

[0038] The invention provides a formula of ferrite permanent magnet material, which comprises the following components in weight percent: iron red 70%, barium carbonate 12%, silicon dioxide 8%, calcium carbonate 5%, strontium sulfate 7%, titanium dioxide 17% %, rust remover 8%.

[0039] The configuration method is as follows:

[0040] Step 1: Mix the barium carbonate and iron red at a ratio of 1:5, stir for 10 minutes to make the barium carbonate and iron red evenly distributed, and pour it into a container bottle;

[0041] Step 2: Add silicon dioxide into the container bottle described in step 1, and stir for 5 minutes to make the silicon dioxide evenly distributed;

[0042] Step 3: heating the calcium carbonate at 1000° for 30 minutes, so that the calcium carbonate forms a solution;

[0043] Step 4: Cool the solution described in Step 3 to 26° to form a solid and stir it into particles;

[0044] Step 5: Add the particles described in step 4 into the container bottle descr...

Embodiment 3

[0051]The invention provides a formula of ferrite permanent magnet material, which comprises the following components in weight percent: iron red 70%, barium carbonate 16%, silicon dioxide 10%, calcium carbonate 8%, strontium sulfate 8%, titanium dioxide 15% %, rust remover 8%.

[0052] The configuration method is as follows:

[0053] Step 1: Mix the barium carbonate and iron red at a ratio of 1:5, stir for 10 minutes to make the barium carbonate and iron red evenly distributed, and pour it into a container bottle;

[0054] Step 2: Add silicon dioxide into the container bottle described in step 1, and stir for 5 minutes to make the silicon dioxide evenly distributed;

[0055] Step 3: heating the calcium carbonate at 1000° for 30 minutes, so that the calcium carbonate forms a solution;

[0056] Step 4: Cool the solution described in Step 3 to 26° to form a solid and stir it into particles;

[0057] Step 5: Add the particles described in step 4 into the container bottle descr...

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Abstract

The invention discloses a formula and preparation method of a ferrite permanent magnetic material. The ferrite permanent magnetic material comprises, by weight, 60 to 80% of iron oxide red, 10 to 15%of barium carbonate, 5 to 10% of silica, 3 to 8% of calcium carbonate, 5 to 10% of cesium sulfate, 15 to 20% of titanium dioxide and 5 to 10% of a rust remover. Through use of calcium carbonate, the solid-phase reaction is promoted, the product sintering temperature is reduced and the density of the product is improved. Through use of cesium sulfate, the anisotropic orientation of the ferrite is obviously improved, the crystal grain growth is inhibited and coercivity is improved. Through use of the titanium dioxide and rust remover, removal of rust on the surface of the ferrite permanent magnetic material is promoted and the influence of rust on magnetic properties is prevented.

Description

technical field [0001] The invention relates to a ferrite permanent magnet material, in particular to a formula and a preparation method of the ferrite permanent magnet material. Background technique [0002] Permanent magnetic materials have wide hysteresis loops, high coercivity, high remanence, and can maintain constant magnetic properties once magnetized. Also known as hard magnetic material. In practice, permanent magnet materials work in the second quadrant demagnetization part of the hysteresis loop after deep magnetic saturation and magnetization. Commonly used permanent magnet materials are divided into AlNiCo permanent magnet alloys, FeCrCo permanent magnet alloys, permanent ferrites, rare earth permanent magnet materials and composite permanent magnet materials. Permanent magnet materials include ferrite permanent magnets, rare earth permanent magnets (rare earth cobalt, neodymium iron boron, etc.), alnico, iron chromium cobalt, aluminum iron and other materials...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/26H01F1/11H01F41/00
CPCC04B35/2683C04B2235/3232C04B2235/3418C04B2235/442C04B2235/448C04B2235/96H01F1/11H01F41/00
Inventor 朱小英
Owner 宁波市鄞州智伴信息科技有限公司
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