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Packaging method of iron-based amorphous alloy strip

A technology of iron-based amorphous alloy and encapsulation method, applied in metal material coating process, device for coating liquid on the surface, coating, etc., can solve high preparation temperature, long reaction time, weak interface binding force, etc. problems, achieve the effects of short reaction time, low encapsulation preparation temperature, and simple method

Inactive Publication Date: 2020-01-07
NANCHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It can solve the problems of high preparation temperature, long reaction time and weak interface binding force in the iron-based amorphous alloy packaging method in the prior art

Method used

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  • Packaging method of iron-based amorphous alloy strip
  • Packaging method of iron-based amorphous alloy strip
  • Packaging method of iron-based amorphous alloy strip

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Fe 78 Si 13 B 9 Encapsulation of Amorphous Alloy Strips:

[0025] (1) Fe 78 Si 13 B 9 The surface of the amorphous alloy strip was cleaned with anhydrous ethanol and NaOH aqueous solution successively;

[0026] (2) Put the strip into an aqueous solution with a concentration of 0.025mol / L CaSO4, the temperature of the aqueous solution is 85°C, and the temperature is kept for 30min, and the surface of the alloy strip becomes pale yellow;

[0027] (3) Take out the strip and dry it in an air environment of ≤100°C;

[0028] (4) Dip the tape into the epoxy resin to extract, and the epoxy resin sticks evenly on the surface of the tape, and the encapsulation is completed.

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Abstract

The invention relates to the field of amorphous magnetic materials, in particular to a packaging method of an iron-based amorphous alloy strip. The iron-based amorphous alloy strip is subjected to oilremoval and cleaning and put into a CaSO4 water solution with the concentration being 0.02 to 0.03 mol / L, and the solution is heated to 25 to 85 DEG C and subjected to heat preservation for 30 min to5 hour; the strip is taken out and dried; and finally, the strip is immersed into epoxy resin and taken out, and the packaged iron-based amorphous alloy strip is obtained. The packaging method is simple, convenient, low in packaging preparing temperature, short in reaction time, and high in interface combination force, epoxy resin is evenly bonded on the strip surface, and the resin and alloy strip surface wettability is good.

Description

technical field [0001] The invention relates to the field of amorphous magnetic materials, in particular to a packaging method for iron-based amorphous alloy strips. Background technique [0002] Amorphous alloys have excellent mechanical and functional properties, and are a new class of metallic materials with wide application potential. Because of its unique structure, excellent soft magnetic properties, efficient preparation process and low cost, it has attracted more and more attention from the world. Compared with the traditional soft magnetic materials MnZn ferrite and permalloy, the iron-based amorphous alloy has the advantages of high magnetic permeability, high saturation magnetic induction intensity, low coercivity, low iron loss and good thermal stability. In order to promote the miniaturization and light weight of electronic products, it is widely used in electronic fields such as transformers, filter inductors, transformers and sensors. In today's vigorous adv...

Claims

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Application Information

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IPC IPC(8): C23C22/68C23C22/78C23C22/82B05D7/14
CPCB05D7/14C23C22/68C23C22/78C23C22/82
Inventor 朱正吼白茹茹
Owner NANCHANG UNIV
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