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Low-remanence rapid-quenching amorphous-nanocrystalline strip alloy material and preparation method thereof

A technology of amorphous nanocrystalline and alloy materials, which is applied in the field of low-remanence fast-quenching amorphous nanocrystalline thin strip alloy materials and its preparation, can solve the problems of high remanence, high cost, and unsuitability for industrial production, and achieve low Effects of remanence, low production cost, improved ability to form amorphous crystals, and thermal stability

Active Publication Date: 2015-07-15
XUZHOU NANFANG YONGCI MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The thin strip prepared by the above method has a remanence Br of 0.2T, which is relatively high. At the same time, Nb or Ta is used in the preparation process, which has a high cost and is not suitable for industrial production.

Method used

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  • Low-remanence rapid-quenching amorphous-nanocrystalline strip alloy material and preparation method thereof
  • Low-remanence rapid-quenching amorphous-nanocrystalline strip alloy material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0024] The preparation method of the low-remanence magnetism quick-quenching amorphous nanocrystalline ribbon alloy material of the present invention, the specific steps are as follows:

[0025] (1) Take Sm 0.01%, Eu 0.01%, Co 3%, Ba 0.5%, Pb 2%, Ru 0.1%, B 1%, Te 0.5% according to the following weight percentages, and the rest is Fe for batching; where Sm , Eu, Co, Ba, Pb, Ru, B, Te and Fe have a purity greater than 99.9%;

[0026] (2) Melting the raw materials in a vacuum induction furnace at a melting temperature of 1510°C and standing for 10 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 The gap between the rollers is 0.2mm. When the nozzle is opened, the master alloy liquid is eje...

Embodiment 2

[0031] The preparation method of the low-remanence magnetism quick-quenching amorphous nanocrystalline ribbon alloy material of the present invention, the specific steps are as follows:

[0032] (1) Take Sm 0.05%, Eu 0.05%, Co 5%, Ba 1.5%, Pb 5%, Ru 0.9%, B 3%, Te 0.9% according to the following weight percentages, and the rest is Fe for batching; where Sm , Eu, Co, Ba, Pb, Ru, B, Te and Fe have a purity greater than 99.9%;

[0033] (2) Melting the raw materials in a vacuum induction furnace at a melting temperature of 1525°C and standing for 8 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 1400-1500°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 gap between the nozzle and the roller is 0.4mm. When the nozzle is opened, the master alloy liquid is spra...

Embodiment 3

[0038] The preparation method of the low-remanence magnetism quick-quenching amorphous nanocrystalline ribbon alloy material of the present invention, the specific steps are as follows:

[0039] (1) Take Sm 0.03%, Eu 0.02%, Co 4%, Ba 0.8%, Pb 4%, Ru 0.7%, B 2%, Te 0.7% according to the following weight percentages, and the rest is Fe for batching; where Sm , Eu, Co, Ba, Pb, Ru, B, Te and Fe have a purity greater than 99.9%;

[0040] (2) Melting the raw materials in a vacuum induction furnace at a melting temperature of 1540°C and standing for 5 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 The gap between the rollers is 0.6mm. When the nozzle is opened, the master alloy liquid is eject...

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Abstract

The invention provides a low-remanence fast-quenching amorphous nano-crystal thin strip alloy material and a preparation method thereof. The material has relatively low remanence and low cost; the preparation method has simple process and low production cost and is suitable for industrial production. The weight percentage content of each component of the material is: Sm 0.01-0.05%, Eu 0.01-0.05%, Co 3-5%, Ba 0.5-1.5%, Pb 2-5%, Ru 0.1-0.9%, B 1-3% , Te 0.5-0.9%, the rest Fe.

Description

technical field [0001] The invention belongs to the field of metal materials, and in particular relates to a low-remanence fast-quenching amorphous nanocrystalline thin strip alloy material and a preparation method thereof. Background technique [0002] Application No. CN200810247383.7 relates to a rapidly quenched amorphous alloy thin strip and its preparation method. The preparation method of the rapid-quenching amorphous alloy thin strip includes batching, vacuum smelting, secondary melting, spraying and collecting, and its chemical composition is: 70-85% Fe, 0.001-4% Nb or Nb, At least one of Mo, W, V, Ta, at least one of 0.001-25% Si, 0.001-15% B, 0.001-2% Cu, 0.005-0.08% Al and Ti; nozzle and A dynamically stable arc-shaped molten pool with two ends protruding outward is formed between the cooling rolls. The temperature of the molten pool is 1180-1300 °C; the width D of the nozzle gap is 0.1-0.4 mm, and the distance between the cooling roll and the nozzle is 0.1-0.4 m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C45/02B22D11/06B22D11/18C21D1/09
Inventor 张作州
Owner XUZHOU NANFANG YONGCI MATERIAL