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A kind of high magnetic flux density nanocrystalline thin strip alloy material and its preparation method

A high magnetic flux density, nanocrystalline technology, applied in the field of metal materials, can solve the problems of low magnetic flux, difficult to accurately control the nitrogen content of the alloy system, etc., and achieve simple preparation process, excellent soft magnetic properties and amorphous forming ability, The effect of good performance

Active Publication Date: 2016-01-20
XUZHOU NANFANG YONGCI MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The Fe-based amorphous alloy thin strips involved in the above materials have a magnetic flux of 1.3T, which is too low, and gaseous nitrogen is not easy to enter the alloy, and the nitrogen content in the alloy system is not easy to accurately control

Method used

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  • A kind of high magnetic flux density nanocrystalline thin strip alloy material and its preparation method

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Effect test

Embodiment 1

[0024] The preparation method of the high magnetic flux density nanocrystalline ribbon alloy material of the present invention, the specific steps are as follows:

[0025] (1) Take Nd0.05%, Sm0.01%, Tb0.01%, Cu0.5%, Ni1%, Sr0.1%, Co1%, Ba0.2%, Mn1%, Pb1 according to the following weight percentages respectively %, Ru0.3%, B1%, Si0.1%, Sb0.01%, and the rest of Fe is compounded, and the purity of each raw material is greater than 99.9%;

[0026] (2) Put the raw materials into a vacuum induction furnace for smelting, the smelting temperature is 1530°C, and let stand for 5 minutes to obtain a master alloy liquid;

[0027] (3) Pour the master alloy liquid into a tundish equipped with an induction heating coil, and control the temperature of the tundish at 1400°C; the lower part of the tundish body is provided with a nozzle, and the lower part of the nozzle is provided with a rotating roller, the nozzle and The gap between the rollers is 0.2mm. When the nozzle is opened, the master...

Embodiment 2

[0031] The preparation method of the high magnetic flux density nanocrystalline ribbon alloy material of the present invention, the specific steps are as follows:

[0032] (1) Take Nd0.1%, Sm0.05%, Tb0.05%, Cu1%, Ni3%, Sr0.7%, Co3%, Ba0.5%, Mn3%, Pb5% respectively according to the following weight percentages, Ru0.6%, B2%, Si0.5%, Sb0.05%, and the rest Fe is compounded, and the purity of each raw material is greater than 99.9%;

[0033] (2) Put the raw materials into a vacuum induction furnace for smelting, the smelting temperature is 1550°C, and let stand for 7 minutes to obtain a master alloy liquid;

[0034] (3) Pour the master alloy liquid into a tundish equipped with an induction heating coil, and control the temperature of the tundish at 1450°C; the lower part of the tundish body is provided with a nozzle, and the lower part of the nozzle is provided with a rotating roller, the nozzle and The gap between the rollers is 0.4mm. When the nozzle is opened, the master alloy ...

Embodiment 3

[0038] The preparation method of the high magnetic flux density nanocrystalline ribbon alloy material of the present invention, the specific steps are as follows:

[0039] (1) Take Nd0.07%, Sm0.04%, Tb0.03%, Cu0.8%, Ni2%, Sr0.5%, Co2%, Ba0.4%, Mn2%, Pb4 respectively according to the following weight percentages %, Ru0.5%, B1.6%, Si0.3%, Sb0.03%, and the rest of Fe is compounded, and the purity of each raw material is greater than 99.9%;

[0040] (2) Put the raw materials into a vacuum induction furnace for smelting, the smelting temperature is 1560°C, and let stand for 9 minutes to obtain a master alloy liquid;

[0041](3) Pour the master alloy liquid into a tundish equipped with an induction heating coil, and control the temperature of the tundish at 1500°C; the lower part of the tundish body is provided with a nozzle, and the lower part of the nozzle is provided with a rotating roller, the nozzle and The gap between the rollers is 0.6mm. When the nozzle is opened, the maste...

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Abstract

The invention provides a high-magnetic-flux-density nano crystalline ribbon alloy material and a preparation method thereof. The content of each component of the material is easily controlled in the preparation process, and the material has high magnetic-flux density. The preparation method is simple in process, low in production cost and suitable for the industrialized production. The content of each component of the material is as follows in percentage by weight: 0.05 to 0.1 percent of Nd, 0.01 to 0.05 percent of Sm, 0.01 to 0,05 percent of Tb, 0.5 to 1 percent of Cu, 1 to 3 percent of Ni, 0.1 to 0.7 percent of Sr, 1 to 3 percent of Co, 0.2 to 0.5 percent of Ba, 1 to 3 percent of Mn, 1 to 5 percent of Pb, 0.3 to 0.6 percent of Ru, 1 to 2 percent of B, 0.1 to 0.5 percent of Si, 0.01 to 0.05 percent of Sb, and the balance of Fe.

Description

technical field [0001] The invention belongs to the field of metal materials, and in particular relates to a high magnetic flux density nanocrystalline thin strip alloy material and a preparation method. Background technique [0002] Application No. CN200680020084.9 relates to a Fe-based amorphous alloy thin strip. This invention aims to achieve high magnetic flux density, thermal stability, amorphous formability, and processability of Fe-B-Si-based amorphous alloys. The invention of making Fe-B-Si-based amorphous alloy thin strips contain appropriate amounts of N, and furthermore, appropriate amounts of C and P for the purpose of improving iron loss and reducing iron loss. The Fe-based amorphous alloy ribbon contains B: 5-25%, Si: 1-30%, N: 0.001-0.2%, and further contains C: 0.003-10%, P: 0.001- 0.2%, and the balance is composed of Fe and unavoidable impurities. In addition, 15% or less of the Fe content may be substituted with one or two or more selected from Co, Ni, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F1/01
Inventor 张作州
Owner XUZHOU NANFANG YONGCI MATERIAL
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