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An iron-based soft magnetic amorphous alloy with few components, low cost and high saturation magnetic induction and its preparation process

A technology of amorphous alloy and preparation process, which is applied in the field of iron-based soft magnetic amorphous alloy and its preparation process, which can solve the influence of alloy amorphous formation ability and soft magnetic performance, unfavorable control of product composition stability, and difficult control of composition, etc. problems, to achieve the effect of easy industrialization, excellent soft magnetic properties, and reduced impact

Inactive Publication Date: 2018-02-06
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high melting point and low density of carbon, it is not easy to add in direct smelting, and the content is not easy to control
[0004] It can be seen that too many components will make it difficult to control the composition during smelting, and the content of each component can affect the amorphous forming ability and soft magnetic properties of the alloy, which is unfavorable for the control of the composition stability of the product

Method used

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  • An iron-based soft magnetic amorphous alloy with few components, low cost and high saturation magnetic induction and its preparation process
  • An iron-based soft magnetic amorphous alloy with few components, low cost and high saturation magnetic induction and its preparation process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] An iron-based soft magnetic amorphous alloy contains elements of boron, phosphorus and tin. The atomic percentage of each element in the alloy is as follows: boron 10%, phosphorus 5%, tin 2%, and iron 83%.

[0023] The preparation steps are as follows:

[0024] (1) The raw materials are pure iron (99.99%), pure tin (99.9%), industrial grade iron-phosphorus master alloy (phosphorus mass percentage is 25.1%), industrial grade iron-boron master alloy (B mass percentage is 18.9%);

[0025] Weigh the raw materials with a balance according to the atomic percentages of Fe83%, B10%, P5%, and Sn2%, respectively: Fe: 8.67g, Fe-P master alloy: 1.44g, Fe-B master alloy: 1.33g; Sn: 0.55g ;

[0026] (2) Put the raw materials into the glass tube in the vacuum induction melting furnace, and use mechanical pump and molecular pump to vacuum to 2×10 - 3 Pa, filled with high-purity argon gas for arc smelting; after the smelting is taken out, break it to pieces, check whether there are unmelted raw...

Embodiment 2

[0031] An iron-based soft magnetic amorphous alloy contains elements of boron, phosphorus and tin. The atomic percentage of each element in the alloy is as follows: boron 8.5%, phosphorus 4.5%, tin 3%, and iron 84%.

[0032] The preparation steps are as follows:

[0033] (1) The raw materials are pure iron (99.99%), pure tin (99.99%), industrial grade iron-phosphorus master alloy (phosphorus mass percentage is 25.1%), industrial grade iron-boron master alloy (B mass percentage is 18%);

[0034] Use a balance to weigh the raw materials according to the atomic percentages of Fe84%, B8.5%, P4.5%, and Sn3%, respectively, Fe: 8.82g, Fe-P master alloy: 1.26g, Fe-B master alloy: 1.1g; Sn: 0.81g;

[0035] (2) Put the raw materials into the glass tube in the vacuum induction melting furnace, and use mechanical pump and molecular pump to vacuum to 2×10 - 3 Pa, filled with high-purity argon gas for arc smelting; after the smelting is taken out, break it to pieces, check whether there are unmelte...

Embodiment 3

[0040] An iron-based soft magnetic amorphous alloy contains elements of boron, phosphorus and tin. The atomic percentage of each element in the alloy is as follows: boron 9%, phosphorus 4.5%, tin 2%, and iron 84.5%.

[0041] The preparation steps are as follows:

[0042] (1) The raw materials are pure iron (99.99%), pure tin (99.99%), industrial grade iron-phosphorus master alloy (P mass percentage is 25.1%), industrial grade iron-boron master alloy (B mass percentage is 18.9%);

[0043] Use a balance to weigh the raw materials in atomic percentages of Fe84.5%, B9%, P4.5%, and Sn2%, respectively, Fe: 8.98g, Fe-P master alloy: 1.28g, Fe-B master alloy: 1.19g; Sn: 0.55g;

[0044] (2) Put the raw materials into the glass tube in the vacuum induction melting furnace, and use mechanical pump and molecular pump to vacuum to 2×10 - 3 Pa, filled with high-purity argon gas for arc smelting; after the smelting is taken out, break it to pieces, check whether there are unmelted raw materials, if ...

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Abstract

The invention belongs to the field of metal materials, and relates to an iron-based soft magnetic amorphous alloy with few components, low cost and high saturation magnetic induction intensity and a preparation process thereof. The iron-based soft magnetic amorphous alloy of the present invention, the atomic percentage of each element in the alloy is as follows: 5%≤boron≤12%, 3%≤phosphorus≤10%, 0.5%≤tin≤5%, 80%≤iron ≤84.5%. The invention has low production cost and simple process; the prepared soft magnetic amorphous alloy has the characteristics of high saturation magnetization and low coercive force, and is suitable for transformer cores, amorphous motors and other devices, and is applied in electric power, electronics, information, communications and other fields.

Description

Technical field [0001] The invention belongs to the field of metal materials, and particularly relates to an iron-based soft magnetic amorphous alloy with few components, low cost, and high saturation magnetic induction intensity and a preparation process thereof. Background technique [0002] Fe-X (X is metalloid B, Si, P, C, etc.) amorphous alloys without high-cost niobium, zirconium, molybdenum, rare earth and other elements, only low-cost Fe-P, Fe-B, Fe- C. Fe-Si master alloy is made by melt-spun process. It is a metal magnetic functional material with excellent comprehensive performance. It is widely used in power transmission and distribution, electronic information, new energy vehicles and other industries to meet China's major needs for energy conservation and emission reduction. However, compared with silicon steel, the saturation magnetic induction intensity of the iron-based amorphous produced at present is lower, resulting in a larger volume of the amorphous product, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F1/153C22C45/02
CPCC22C45/02H01F1/15308H01F1/1535
Inventor 李雪莲王丽刘近报
Owner SHANDONG UNIV
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