Fe-based amorphous and nanocrystalline soft magnetic alloy ribbon and preparation method thereof

A nanocrystalline soft magnetic, iron-based amorphous technology, applied in the field of alloys, can solve the problems of large coercive force, high production cost, increase production cost, etc. The effect of permeability

Inactive Publication Date: 2016-01-20
WANGWEI NEW MATERIALS (PIZHOU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The most typical example is the Metglass2605Co alloy with 1.8T, but the alloy contains a large number of Co atoms, the cost is high, and it is not suitable for large-scale industrial magnetic products.
[0005] U.S. Patent US4226619 discloses an amorphous FeBC alloy with a saturation magnetic induction of about 1.7, but its coercive force is large and too brittle to be practically applied
[0006] The Chinese patent of CN1721563A discloses a FeSiBC alloy with a saturation magnetic induction of 1.64T, but the preparation process is complicated and the production cost is relatively high
However, after heat treatment in the preparation process, it will inevitably increase the processing process and increase the production cost. The corresponding academic paper is Akihiro Makino, NanocrustallinesoftmagneticFe-Si-B-P-CualloyswithhighBof1.8-1.9Tcontributabletoenergysaving, IEEETransactionsonMagnetics, 48(2012)1331-1335.

Method used

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  • Fe-based amorphous and nanocrystalline soft magnetic alloy ribbon and preparation method thereof
  • Fe-based amorphous and nanocrystalline soft magnetic alloy ribbon and preparation method thereof
  • Fe-based amorphous and nanocrystalline soft magnetic alloy ribbon and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0052] (1) Select pure iron, ferroboron or pure boron, ferrophosphorus, pure silicon, pure copper, pure titanium as raw materials, and the content of each component element in terms of atomic mass parts Fe 85 Si 2 B 7 P 4 Cu 1 Ti 1 Add the high-frequency induction furnace after batching;

[0053] (2) Vacuumize the high frequency induction furnace to 5×10 -3 After the Pa is filled with argon, the raw material prepared in step (1) is heated to 1300° C. in the quartz tube of the high-frequency induction furnace to melt it and keep it for 10 minutes;

[0054] (3) The molten liquid alloy is sprayed onto a high-speed rotating copper roller at 1200°C with argon gas, and the surface speed of the copper roller is 50m / s, thereby preparing an iron-based amorphous nanocrystalline soft magnetic alloy strip.

[0055] The crystal structure of the prepared iron-based amorphous nanocrystalline soft magnetic alloy ribbon is detected by XRD, and there is a significantly broadened α-Fe diff...

Embodiment 2

[0057] (1) Select pure iron, ferroboron or pure boron, ferrophosphorus, pure silicon, pure copper, pure titanium as raw materials, and the content of each component element in terms of atomic mass parts Fe 85 Si 2 B 6 P 4 Cu 1 Ti 2 Add the high-frequency induction furnace after batching;

[0058] (2) Vacuumize the high frequency induction furnace to 8×10 -3 After the Pa is filled with argon, the raw material prepared in step (1) is heated to 1400° C. in the quartz tube of the high-frequency induction furnace to melt it and keep it for 10 minutes;

[0059] (3) The molten liquid alloy is sprayed onto a high-speed rotating copper roller at 1200°C with argon gas, and the surface speed of the copper roller is 60m / s, thereby preparing an iron-based amorphous nanocrystalline soft magnetic alloy strip.

[0060] The crystal structure of the prepared iron-based amorphous nanocrystalline soft magnetic alloy thin ribbon was detected by XRD. There was a significantly broadened α-Fe d...

Embodiment 3

[0062] (1) Select pure iron, ferroboron or pure boron, ferrophosphorus, pure silicon, pure copper, and pure zirconium as raw materials, and the content of each component element in terms of atomic mass parts Fe 85 Si 2 B 7 P 4 Cu 1 Zr 1 Add the high-frequency induction furnace after batching;

[0063] (2) Vacuumize the high frequency induction furnace to 8×10 -3 After the Pa is filled with argon, the raw material prepared in step (1) is heated to 1300° C. in the quartz tube of the high-frequency induction furnace to melt it and keep it for 10 minutes;

[0064] (3) The molten liquid alloy is sprayed onto a high-speed rotating copper roller at 1200°C with argon gas, and the surface speed of the copper roller is 40m / s, thereby preparing an iron-based amorphous nanocrystalline soft magnetic alloy strip.

[0065] The crystal structure of the prepared iron-based amorphous nanocrystalline soft magnetic alloy thin ribbon was detected by XRD. There was a significantly broadened α...

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Abstract

The invention provides a Fe-based amorphous and nanocrystalline soft magnetic alloy ribbon. Components of the Fe-based amorphous and nanocrystalline soft magnetic ribbon are as shown in FeSiB<c>P<d>Cu<e>Me<f>, wherein a, b, c, d, e and f respectively represent the content of Fe, Si, B, P, Cu and Me in the alloy ribbon on the basis of mass fractions of atoms; a is less than or equal to 90 and greater than or equal to 80; b is less than or equal to 5 and greater than or equal to 0.5; c is less than or equal to 12 and greater than or equal to 5; d is less than or equal to 9 and greater than or equal to 1; e is less than or equal to 2 and greater than or equal to 0.3; f is less than or equal to 3 and greater than or equal to 0.3; and a+b+c+d+e+f=100. According to the Fe-based amorphous and nanocrystalline soft magnetic alloy ribbon, by addition of microelements, the Fe-based amorphous and nanocrystalline soft magnetic alloy ribbon with high saturation flux density can be obtained without a heat treatment; and the alloy ribbon can be prepared in high vacuum or argon protection, has excellent soft magnetic property and high heat stability and is suitable for a transformer, an engine, a motor, a generator, a magnetic sensor and the like.

Description

technical field [0001] The invention relates to the field of alloys, in particular to a soft magnetic alloy thin strip with an amorphous-nano-crystalline composite structure and high saturation magnetic induction and a preparation method thereof. Background technique [0002] Soft magnetic alloy material is a kind of magnetic functional material developed earlier. From the initial discovery to the present, it has experienced electrical pure iron, electrical steel, permalloy, Fe~Co alloy, soft magnetic ferrite and amorphous alloy. system. Among them, amorphous alloy soft magnetic material has the characteristics of high resistivity, high magnetic permeability and low loss. Compared with silicon steel, its production process is simple and no special processing is required. It is considered an ideal iron core material. [0003] However, compared with traditional silicon-steel core materials, amorphous alloy soft magnetic materials still have some shortcomings, and the biggest ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F1/153H01F41/02C22C45/02
Inventor 梁春永王洪水赵凯朱胜利
Owner WANGWEI NEW MATERIALS (PIZHOU) CO LTD
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