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Additive for B-Si containing iron-based amorphous alloy and nanocrystalline alloy

A technology for iron-based amorphous alloys and nanocrystalline alloys, which is applied in the smelting field of amorphous alloys and nanocrystalline alloys, and can solve the problems of limited purification capacity, differences in purification goals, and inapplicability to smelting of iron-based amorphous master alloys. , to achieve the effect of reducing the smelting temperature and reducing the amount of burning loss

Active Publication Date: 2013-03-20
ADVANCED TECHNOLOGY & MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] It can be seen from the above that the existing purifiers or slagging agents used in the iron and steel metallurgical industry are not suitable for iron-based amorphous parent materials due to the introduction of impurities by the slagging agent itself, or due to limited purification capabilities, or differences in purification goals. Alloy Smelting

Method used

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  • Additive for B-Si containing iron-based amorphous alloy and nanocrystalline alloy
  • Additive for B-Si containing iron-based amorphous alloy and nanocrystalline alloy
  • Additive for B-Si containing iron-based amorphous alloy and nanocrystalline alloy

Examples

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Embodiment 1

[0029] The additive according to the present embodiment comprises 70% microcarbon ferrochrome, 8% Sn, 10% Pb and 12% Bi by weight percentage, wherein the microcarbon ferrochrome comprises 70% Cr, 8% by weight, 0.06% carbon, 1.0% Si, the balance being iron and unavoidable impurities.

[0030] The additive according to this embodiment is expressed by m A :m S =1.6:1000 and m A +m O ×3×10 5 Fe 78 Si 9 B 13 Alloy steel water. Among them, Fe 78 Si 9 B 13 The initial oxygen content in alloy steel water m O is 8ppm, the mass m of the additive according to the present embodiment A is 1.6kg, the mass of alloy steel m S It is 1000kg.

[0031] figure 1 For Fe using additives according to this example 78 Si 9 B 13 Alloy molten steel and Fe without additives according to this embodiment 78 Si 9 B 13 Viscosity-temperature relationship curve of alloy molten steel in the range of 1200°C-1600°C. exist figure 1 , the curve represented by the dots is the viscosity-temperat...

Embodiment 2

[0043] The additive according to the present embodiment comprises 80% micro-carbon ferrochrome, 5% Sn, 5% Pb and 10% Bi by weight percentage, wherein the micro-carbon ferrochrome contains 70% Cr by weight percentage , 0.03% carbon, 1.0% Si, and the balance is iron and unavoidable impurities.

[0044] The additive according to this example is represented by m A :m S =1:500 and m A +m O ×3×10 5 = 5 relational formula to add Fe 73.7 CuNb 3 Si 13.3 B 9 Alloy molten steel for smelting. Fe 73.7 CuNb 3 Si 13.3 B 9 The initial oxygen content of alloy molten steel is 10ppm, the mass m of the additive according to this embodiment A is 2kg, the mass of alloy steel m S It is 1000kg.

[0045] image 3 For using the Fe of the additive according to this embodiment 73.7 CuNb 3 Si 13.3 B 9 Alloy molten steel and Fe without additives according to this embodiment 73.7 CuNb 3 Si 13.3 B 9 Viscosity-temperature relationship curve of alloy molten steel in the range of 1200°C-...

Embodiment 3

[0056] The additive according to the present embodiment comprises 85% microcarbon ferrochrome, 2% Sn, 5% Pb and 8% Bi by weight percentage, wherein the microcarbon ferrochrome comprises 70% Cr, 0.03% C, 1.5% Si, and the balance is iron and unavoidable impurities.

[0057] The additive according to this embodiment is expressed by m A :m S =1:1111 and m A +m O ×3×10 5 =3.9 relational formula adds Fe 78 Si 9 B 13 Alloy steel is smelted in water. Among them, different from Examples 1 and 2, here smelting Fe 78 Si 9 B 13 5% of the iron used in alloy molten steel has rust on the surface of the iron, Fe 78 Si 9 B 13 The initial oxygen content in alloy steel water m O is 10ppm, the mass m of the additive according to the present embodiment A is 0.9kg, the mass of alloy steel m S It is 1000kg. Will use the Fe of this embodiment additive 78 Si 9 B 13 Alloy molten steel was heated to 1350°C, and Fe was prepared by single-roll method 78 Si 9 B 13 Amorphous alloy thi...

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Abstract

The invention discloses an additive for a B-Si containing iron-based amorphous alloy and a nanocrystalline alloy. The additive comprises the following components by weight percent: 70%-90% of low-carbon ferrochromium, 0-10% of Sn, 0-20% of Pb and 0-20% of Bi, wherein the low-carbon ferrochromium comprises the following elements by weight percent: 63%-75% of Cr, 0.03%-0.15% of C, 1.0%-1.5% of Si and the balance Fe and inevitable impurities. By adopting the additive for the iron-based amorphous alloy and the nanocrystalline alloy, the homogenization of molten steel can be promoted and the soft magnetic property of the alloy can be improved.

Description

technical field [0001] The invention belongs to the field of smelting amorphous alloys and nanocrystalline alloys, and in particular relates to an additive for iron-based amorphous alloys and nanocrystalline alloys. Background technique [0002] During the preparation of amorphous alloys, the quality of molten steel directly determines the quality of the subsequently formed amorphous alloys. Therefore, the quality of molten steel is very important for amorphous alloys, and any difference in microscopic quality will affect the quality of the final amorphous alloy. In addition, the production process of nanocrystalline alloys is almost the same as that of amorphous alloys. They must go through steps such as master alloy smelting, molten steel purification, rapid quenching into amorphous strips, and annealing. The only difference lies in the production process of nanocrystalline alloys. In the final annealing into nanocrystalline phase. Therefore, molten steel quality is also...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C45/02C22C33/04
Inventor 周少雄董帮少孙克李德仁刘国栋陈文智李宗臻
Owner ADVANCED TECHNOLOGY & MATERIALS CO LTD
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