Iron-base amorphous alloy material with high saturation magnetic induction density

A technology of iron-based amorphous alloy and magnetic induction intensity, which is applied in the field of new iron-based amorphous alloy materials, can solve the problems of lack of plastic deformation ability and industrial application limitations, and achieve excellent amorphous forming ability, good soft magnetic properties, and excellent mechanics performance and the effect of soft magnetic properties

Inactive Publication Date: 2009-08-19
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing bulk Fe-based amorphous alloys are limited in industrial application because of their lack of good plastic deformation ability. Therefore, it is urgent to develop bulk Fe-based amorphous alloys with good plasticity and good performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Implementation 1: Preparation of Fe 78 Mo 0.5 Si 3 P 9 C 6.5 B 3 Amorphous Alloy Rods

[0021] Preparation of Fe 78 Mo 0.5 Si 3 P 9 C 6.5 B 3 The steps for amorphous alloy rods are as follows:

[0022] Step 1: Weigh each element

[0023] Press Fe 78 Mo 0.5 Si3 P 9 C 6.5 B 3 In the actual preparation process, it is a common knowledge in this field to convert the atomic amount of each element into mass and weigh it;

[0024] Step 2: Preparation of Fe 78 Mo 0.5 Si 3 P 9 C 6.5 B 3 Master Alloy

[0025] Put the ingredients prepared in Step 1 into the NEV-M04C vacuum high-frequency induction smelting furnace respectively, and adjust the vacuum degree to 5×10 -3 Pa, filled with 0.05MPa argon protective gas; adjusted current 24A, induction temperature 1500°C; smelting time 10min, then take it out with furnace cooling;

[0026] Step 3: Preparation of Fe 78 Mo 0.5 Si 3 P 9 C 6.5 B 3 Amorphous Alloy Rods

[0027] The Fe obtained in step 2 78 Mo ...

Embodiment 2

[0029] Implementation 2: Preparation of Fe 77 Mo 0.5 Si 3 P 8 C 6.5 B 5 Amorphous Alloy Rods

[0030] Preparation of Fe 77 Mo 0.5 Si 3 P 8 C 6.5 B 5 The steps of amorphous alloy rods are:

[0031] Step 1: Weigh each element

[0032] Press Fe 77 Mo 0.5 Si 3 P 8 C 6.5 B 5 The chemical composition is proportioned for batching, and Fe, Mo, Si, P, C, and B raw materials with a purity of 99.9% are used;

[0033] Step 2: Preparation of Fe 77 Mo 0.5 Si 3 P 8 C 6.5 B 5 Master Alloy

[0034] The batching that step one makes is put into vacuum smelting furnace (NEV-M04C),

[0035] Adjust the vacuum degree to 5×10 -3 Pa, then filled with 0.05MPa argon protective gas;

[0036] Regulating current 24A, induction temperature 1500℃;

[0037] After the smelting time is 10 minutes, take it out with the furnace cooling;

[0038] Step 3: Preparation of Fe 77 Mo 0.5 Si 3 P 8 C 6.5 B 5 Amorphous Alloy Rods

[0039] The Fe obtained in step 2 77 Mo 0.5 Si 3 P ...

Embodiment 3

[0044] Example 3: Made of Fe 76 Si 2 P 10 C 7.5 B 4.5 Amorphous Alloy Rods

[0045] Preparation of Fe without Mo element 76 Si 2 P 10 C 7.5 B 4.5 The steps of amorphous alloy are as follows:

[0046] Step 1: Weigh each element

[0047] Press Fe 76 Si 2 P 10 C 7.5 B 4.5 The atomic dosage ratio is used for batching, and Fe, Mo, Si, P, C, B with a purity of 99.9% are used, and the molar ratio of Fe: Si: P: C: B is 76: 2: 10: 7.5: 4.5. Perform batching (in the actual preparation process, convert the atomic amount of each element into mass weighing);

[0048] Step 2: Preparation of Fe 76 Si 2 P 10 C 7.5 B 4.5 Master Alloy

[0049] Put the ingredients prepared in Step 1 into the NEV-M04C vacuum high-frequency induction smelting furnace respectively, and adjust the vacuum degree to 5×10 -3 Pa, filled with 0.05MPa argon protective gas; adjusted current 24A, induction temperature 1500°C; smelting time 10min, then take it out with furnace cooling;

[0050] Step...

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Abstract

The invention discloses an iron-based amorphous alloy material with high saturation magnetic induction. The chemical composition of the iron-based amorphous alloy material is FeaMobSicPdCeBf, and a+b+c+d+e+f=100%, the atoms of b The percentage range is 0-2, the atomic percentage range of c is 2-5, the atomic percentage range of d is 8-10, the atomic percentage range of e is 5-8, the atomic percentage range of f is 3-5, a is the rest quantity. The FeaMobSicPdCeBf alloy material of the invention has a high saturation magnetic induction of 1.30-1.55T and good amorphous forming ability, and can be widely used in structural materials and soft magnetic materials. The preparation method of the alloy material is simple and the production cost is low.

Description

technical field [0001] The invention relates to a novel iron-based amorphous alloy material with high strength, toughness, soft magnetism and good forming ability, which is mainly used in structural materials and soft magnetic materials. Background technique [0002] The amorphous alloy prepared by rapidly solidifying the alloy composition from the gaseous or liquid state forms a special amorphous structure because it does not have long-range atomic order. This amorphous structure leads to the unique mechanical properties and magnetic properties of the amorphous alloy. , corrosion resistance and electrical properties, so it has become a very important field in material research. [0003] As we all know, the current soft magnetic materials have a high saturation magnetic induction B S The material is silicon steel, its B S The value can reach 2T, but the coercive force Hc of silicon steel material is very high, and the loss is large; while the cobalt-based amorphous materia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C45/02C22C33/06B22D17/00B22D27/04
Inventor 逄淑杰张涛邓锋员文杰刘凤娟
Owner BEIHANG UNIV
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