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Method of producing oxygen-containing soft magnetic ribbon for high frequency

A thin strip and soft magnetic technology, applied in the direction of magnetic properties of inorganic materials, can solve the problems of unfavorable large-scale production, difficult process control, complicated preparation process, etc., and achieve the effects of excellent high-frequency performance, large energy consumption, and simplified process.

Inactive Publication Date: 2008-05-21
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the main preparation methods of this material are sputtering method, electrolytic plating method, etc., but these preparation processes are relatively complicated, the process is not easy to control, and consumes a lot of energy, which is not conducive to the realization of large-scale production.

Method used

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  • Method of producing oxygen-containing soft magnetic ribbon for high frequency

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Effect test

Embodiment 1

[0032] With pure iron, ferroferric oxide, pure niobium, ferroboron (Fe 82.73 B 17.67 ) as raw material, respectively 21.3%, 30.5%, 19.6%, and 28.6% by mass fraction to prepare ingredients for smelting Fe 60 Nb 10 B 5 o 25 Then cut the master alloy into small cubic pieces with a size of about 1cm×1cm×1cm, use a polishing machine for surface polishing treatment, and then clean the surface with acetone solution, and then package it in a quartz crystal with a zirconia crucible and a nozzle. In the glass tube, evacuate to 1×10 -4 Pa. Use intermediate frequency induction heating equipment to heat the quartz tube, the initial heating power is 5kW, and gradually increase to 15kW after the alloy turns red, and continue heating for 3 minutes after the alloy is completely melted, so that the alloy is fully stirred evenly, and then argon gas is introduced into the quartz tube , the argon pressure is 15kPa, and under the action of argon pressure, the melt is quickly sprayed from the ...

Embodiment 2

[0034] With pure iron, ferric oxide, pure zirconium, ferroboron (Fe 82.73 B 17.67 ) as raw material, respectively 21.4%, 30.6%, 19.3%, and 28.7% by mass fraction to prepare ingredients for smelting Fe 60 Zr 10 B 5 o 25 Then cut it into small cubic pieces with a size of about 1cm×1cm×1cm, use a polishing machine for surface polishing treatment, and then clean the surface with acetone solution, and then package it in a quartz glass with a zirconia crucible and a nozzle Inside the tube, evacuate to 5×10 -4 Pa. Use intermediate frequency induction heating equipment to heat the quartz tube, the initial heating power is 5kW, and gradually increase to 20kW after the alloy turns red, and continue heating for 5 minutes after the alloy is completely melted, so that the alloy is fully stirred evenly, and then argon gas is introduced into the quartz tube , the argon pressure is 15kPa, and under the action of argon pressure, the melt is quickly sprayed from the nozzle at the lower en...

Embodiment 3

[0036] With pure iron, ferroferric oxide, pure titanium, ferroboron (Fe 82.73 B 17.67 ) as raw material, respectively 9.34%, 26.74%, 19.9%, and 44.02% by mass fraction to prepare ingredients for smelting Fe 55 Ti 18 B 7 o 20 Then cut it into small cubic pieces with a size of about 1cm×1cm×1cm, use a polishing machine for surface polishing treatment, and then clean the surface with acetone solution, and then package it in a quartz glass with a zirconia crucible and a nozzle Inside the tube, evacuate to 1×10 -4 Pa. Use intermediate frequency induction heating equipment to heat the quartz tube, the initial heating power is 5kW, and gradually increase to 20kW after the alloy turns red, and continue heating for 4 minutes after the alloy is completely melted, so that the alloy is fully stirred evenly, and then argon gas is introduced into the quartz tube , the argon pressure is 10kPa, and under the action of argon pressure, the melt is quickly sprayed from the nozzle at the lo...

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Abstract

The invention discloses a method for preparing an oxygen-containing soft magnetic thin strip for high frequency, which is characterized by comprising the following steps: A. adopting an intermediate frequency induction heating method to prepare a FexMyBmOn master alloy, wherein M is selected from Zr, Nb, Ti, V , one of Cr, 55≤x≤65, 10≤y≤20, 5≤m≤10, 10≤n≤30; B. Cut the master alloy into blocks, and encapsulate it into an oxidized quartz glass tube. In the zirconium crucible, vacuum treatment is carried out; C. Use medium frequency induction to heat the master alloy in the quartz tube, after the alloy is completely melted, pass argon gas into the quartz tube, and spray the FexMyBmOn thin strip by the method of single-roller melt spinning ; D. Stress relief annealing for thin strips. By adopting the process method of the present invention, the iron-based soft magnetic thin strip with excellent high-frequency performance is obtained, the process is greatly simplified, the cost is reduced, and the mass production and application promotion are facilitated.

Description

technical field [0001] The invention relates to a method for preparing an oxygen-containing soft magnetic thin strip for high frequency. Background technique [0002] Magnetic materials, as information functional materials, are basic functional materials with a wide range of uses, and soft magnetic materials are one of the most widely used and most diverse materials. The properties of soft magnetic materials often vary depending on the application, but it is generally desired that the material has a high magnetic permeability μ, a low coercive force Hc and a low loss Pc. Soft magnetic materials mainly include crystalline materials represented by metal soft magnetic materials (silicon steel sheet, permalloy, etc.) and ferrite soft magnetic materials (such as MnZn series, NiZn series and MgZn series, etc.), (Mainly divided into Fe-based and Co-based), and nanocrystalline soft magnetic alloys (such as Finemet), nano-granular soft magnetic alloys, nano-structured soft magnetic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F1/16C22C33/04B22D11/01B22D25/02C21D1/26
Inventor 严彪龙玲杨沙陈伯渠唐人剑王军
Owner TONGJI UNIV
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