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Fe-based amorphous soft magnetic alloy and preparation method thereof

A technology of iron-based amorphous alloy and soft magnetic alloy, which is applied in the direction of magnetic materials, magnetic objects, electrical components, etc., can solve the problems of insufficient amorphous forming ability, low saturation magnetization, and affecting the application of iron-based amorphous, and achieves Excellent amorphous forming ability, high saturation magnetic induction, and good soft magnetic properties

Inactive Publication Date: 2009-10-07
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the discovery of a large number of bulk amorphous systems satisfies the shortcomings of the lack of amorphous formation ability and limited applications in the past, but while improving the formation ability, the addition of more expensive elements such as Ga, Co, Ni, Zr, Mo and Nb And the lower saturation magnetization also affects the application of iron-based amorphous

Method used

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Preparation of Fe 79 P 11 C 10 Amorphous alloy

[0024] Step 1: Press Fe 79 P 11 C 10 Chemical composition ratio for batching

[0025] Press Fe 79 P 11 C 10 Calculate and weigh the corresponding raw material quality, where P is added through FeP, and the purity of other elements is industrial grade;

[0026] Step 2: Melting to prepare Fe 79 P 11 C 10 Master Alloy

[0027] Put the raw materials of the target ingredients weighed in step 1 into the vacuum high-frequency induction smelting furnace, and vacuumize to 1-5×10 -3 Pa, filling pressure is 0.02-0.09MPa argon protective gas; adjust current 15-25A, smelting temperature 1000-1600℃, smelting for 5-10min, then take out with furnace cooling to obtain Fe 79 P 11 C 10 master alloy.

[0028] Step 3: Preparation of Fe 79 P 11 C 10 Amorphous alloy:

[0029] Put the master alloy prepared in step 2 into the induction furnace of the rapid solidification device, and vacuumize to 1-5×10 -3 Pa, filling pressur...

Embodiment 2

[0032] Preparation of Fe 80 P 11 C 9 Amorphous alloy

[0033] Step 1: Press Fe 80 P 11 C 9 Chemical composition ratio for batching

[0034] Press Fe 80 P 11 C 9 Calculate and weigh the corresponding raw material quality, where P is added through FeP, and the purity of other elements is industrial grade;

[0035] Step 2: Melting to prepare Fe 80 P 11 C 9 Master Alloy

[0036] Put the raw materials of the target ingredients weighed in step 1 into the vacuum high-frequency induction smelting furnace, and vacuumize to 1-5×10 -3 Pa, filling pressure is 0.02-0.09MPa argon protective gas; adjust current 15-25A, smelting temperature 1000-1600℃, smelting for 5-10min, then take out with furnace cooling to obtain Fe 80 P 11 C 9 master alloy.

[0037] Step 3: Preparation of Fe 80 P 11 C 9 Amorphous alloy:

[0038] Put the master alloy prepared in step 2 into the induction furnace of the rapid solidification device, and vacuumize to 1-5×10 -3 Pa, filling pressure is 0.0...

Embodiment 3

[0041] Preparation of Fe 81 P 11 C 8 Amorphous alloy

[0042] Step 1: Press Fe 81 P 11 C 8 Chemical composition ratio for batching

[0043] Press Fe 81 P 11 C 8 Calculate and weigh the corresponding raw material quality, where P is added through FeP, and the purity of other elements is industrial grade;

[0044] Step 2: Melting to prepare Fe 81 P 11 C 8 Master Alloy

[0045] Put the raw materials of the target ingredients weighed in step 1 into the vacuum high-frequency induction smelting furnace, and vacuumize to 1-5×10 -3 Pa, filling pressure is 0.02-0.09MPa argon protective gas; adjust current 15-25A, smelting temperature 1000-1600℃, smelting for 5-10min, then take out with furnace cooling to obtain Fe 81 P 11 C 8 master alloy.

[0046] Step 3: Preparation of Fe 81 P 11 C 8 Amorphous alloy:

[0047] Put the master alloy prepared in step 2 into the induction furnace of the rapid solidification device, and vacuumize to 1-5×10 -3 Pa, filling pressure is 0...

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Abstract

The invention discloses a Fe-based amorphous soft magnetic alloy, which comprises the following specific chemical compositions by atomic ratio: Fe(a)P(b)B(c)C(d)Si(e), and a+b+c+d+e=100, wherein the atom percentage content of b is 8-11, the atom percentage content of c is 0-3, the atom percentage content of d is 6-10, the atom percentage content of e is 0-3, and the balance is a. The alloy material does not contain precious metal elements, has excellent soft magnetic property, good amorphous forming ability and very high engineering application value, and can be widely used in the fields of structural materials, magnetic materials and the like; in addition, the alloy has the advantages of simple preparation method and very low production cost.

Description

technical field [0001] The invention designs a novel iron-based amorphous soft magnetic alloy material which is mainly used in structural materials and soft magnetic materials and has high soft magnetic performance, good forming ability and low raw material price. Background technique [0002] The amorphous alloys prepared by rapid solidification have unique mechanical properties, magnetic properties, corrosion resistance and electrical properties because they do not have a long-range atomic order structure. Therefore, the study of amorphous alloy materials has become an important aspect of material research. field. Iron-based amorphous is widely used in various transformers, electromagnetic transducers and other fields because of its excellent magnetic properties and low cost. [0003] Since P.Duwez discovered the first Fe-P-C ternary amorphous composition in 1967, a series of amorphous composition systems such as Fe-B-Si and Fe-P-B have been developed and applied one afte...

Claims

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Application Information

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IPC IPC(8): H01F1/153C22C1/03
Inventor 张涛王剑锋周鹏逄淑杰
Owner BEIHANG UNIV
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