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Iron cobalt-based amorphous soft magnetic alloy material with high saturation magnetic induction intensity and fabrication method thereof

A technology of magnetic induction and soft magnetic alloy, which is applied in the direction of magnetic materials, magnetic objects, electrical components, etc., can solve the problems of harsh preparation process requirements, increased cost, and easy volatilization of P elements, and achieve low corrosion resistance and high amorphous Effects of forming ability and high saturation magnetic induction

Inactive Publication Date: 2018-03-13
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on the P element contained in the previously reported ingredients, we know that the addition of P element will lead to an increase in cost, and P element is volatile and has strict requirements on the preparation process

Method used

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  • Iron cobalt-based amorphous soft magnetic alloy material with high saturation magnetic induction intensity and fabrication method thereof
  • Iron cobalt-based amorphous soft magnetic alloy material with high saturation magnetic induction intensity and fabrication method thereof
  • Iron cobalt-based amorphous soft magnetic alloy material with high saturation magnetic induction intensity and fabrication method thereof

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Effect test

Embodiment 1

[0045] The amorphous soft magnetic alloy material (Fe 0.8 co 0.2 ) x Si 1 B 99-x (x=84,83) preparation method, comprises the steps:

[0046] (1) According to the alloy expression, the atomic percentage is converted into mass percentage for batching, and high-purity Fe, Co, B, and Si of corresponding quality are weighed and mixed for later use;

[0047] (2) Place the weighed raw materials of target components in a high vacuum arc melting furnace, and vacuum them to 5×10 -3 Pa filled with argon as a protective atmosphere, repeated melting until the composition is uniform. After the master alloy ingot is broken into small pieces (preferably with alcohol), it is ultrasonically cleaned for later use.

[0048] (3) The cleaned small piece master alloy is placed in a quartz tube with an opening of an appropriate size. The container for placing the master alloy used in the present embodiment is a quartz tube, and the nozzle of the quartz tube is polished to 1200-2000 sandpaper. ...

Embodiment 2

[0052] Embodiment 2 The amorphous soft magnetic alloy material (Fe 1-x co x ) 83 Si 1 B 16 (x=0.05,0.1,0.2,0.3,0.4) preparation method, comprises the steps:

[0053] (1) According to the alloy expression, the atomic percentage is converted into mass percentage for batching, and high-purity Fe, Co, B, and Si of corresponding quality are weighed and mixed for later use;

[0054] (2) Place the weighed raw materials of target components in a high vacuum arc melting furnace, and vacuum them to 5×10 -3 Pa filled with argon as a protective atmosphere, repeated melting until the composition is uniform. After the master alloy ingot is broken into small pieces (preferably with alcohol), it is ultrasonically cleaned for later use.

[0055] (3) The cleaned small piece master alloy is placed in a quartz tube with an opening of an appropriate size. The container for placing the master alloy used in the present embodiment is a quartz tube, and the nozzle of the quartz tube is polished ...

Embodiment 3

[0058] Embodiment 3 Amorphous soft magnetic alloy material (Fe 0.8 co 0.2 ) 84 Mo 1 Si 1 B 14 , (Fe 0.8 co 0.2 ) 83 Mo 1 Si 1 B 15 , (Fe 0.8 co 0.2 ) 82 Mo 1 Si 1 B 16 A preparation method comprising the steps of:

[0059] (1) According to the alloy expression, the atomic percentage is converted into mass percentage for batching, and high-purity Fe, Co, Mo, B, and Si of corresponding quality are weighed and mixed for use;

[0060] (2) Place the weighed raw materials of target components in a high vacuum arc melting furnace, and vacuum them to 5×10 -3 Pa filled with argon as a protective atmosphere, repeated melting until the composition is uniform. After the master alloy ingot is broken into small pieces (preferably with alcohol), it is ultrasonically cleaned for later use.

[0061] (3) The cleaned small piece master alloy is placed in a quartz tube with an opening of an appropriate size. The container for placing the master alloy used in the present embodim...

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Abstract

The invention relates to an iron cobalt-based amorphous soft magnetic alloy material with high saturation magnetic induction intensity and a fabrication method thereof. The alloy constituent has the following expression being (Fe<1-z>Co<z>)<x>Mo<y>SiB, wherein x, y, z, a and b respectively express atomic percents of corresponding constituents, a stable and single amorphous phase can be formed under the condition that P is not added, the iron cobalt-based amorphous soft magnetic alloy material has relatively high saturation magnetic induction intensity, excellent soft magnetic performanceand has favorable corrosion resistance, can be widely applied to the field of a transformer and a magnetic sensor and has a favorable application prospect, the highest saturation magnetic induction intensity can reach 1.87T, and favorable bending toughness also can be maintained after stress annealing.

Description

technical field [0001] The invention belongs to the technical field of preparation of amorphous soft magnetic materials, and in particular relates to an amorphous soft magnetic alloy material with high saturation magnetization and a preparation method thereof. Background technique [0002] Iron-based amorphous soft magnetic alloy is a new type of material with special structure and superior performance. It has excellent soft magnetic properties (lower coercive force, higher magnetic permeability and lower core loss), mechanical The advantages of performance and corrosion resistance have been widely studied and applied. Moreover, its preparation process is simple, energy-saving and environmentally friendly, and it is known as a new green energy-saving material in the 21st century. It has received high attention and in-depth research, and industrialized products have come out. For example, in 1975, the (Fe, Co)-Si-B amorphous alloy strips prepared by the United Chemical Compa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F1/153C21D1/30B22D11/06
CPCH01F1/15316B22D11/0611C21D1/30H01F1/1535
Inventor 王芳井上明久朱胜利
Owner TIANJIN UNIV