Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

High-saturated magnetization intensity Fe-based amorphous nanocrystalline soft magnetic alloy and its preparation method

A nanocrystalline soft magnetic and magnetization technology, applied in the direction of magnetic materials, magnetic objects, electrical components, etc., can solve the problem of low saturation magnetic induction, and achieve the effect of high saturation magnetization

Inactive Publication Date: 2012-10-17
四川大学苏州研究院
View PDF3 Cites 47 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is: to solve the above problems, the present invention provides an iron-based amorphous nanocrystalline soft magnetic alloy with high saturation magnetization, and also discloses a preparation method of the alloy, aiming at solving the problem of the current iron-based amorphous nanocrystalline soft magnetic alloy. The problem of low saturation magnetic induction of magnetic alloy materials,

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-saturated magnetization intensity Fe-based amorphous nanocrystalline soft magnetic alloy and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 1) Composition design and ingredients:

[0030] Proportion raw materials according to the following molar percentages: 85% iron, 1% aluminum, 0.5% copper, 3.5% silicon, 6% boron, and 4% phosphorus, totaling 5kg;

[0031] 2) Master alloy melting:

[0032] Put the prepared raw materials into the crucible of the vacuum intermediate frequency induction furnace, and conduct intermediate frequency induction melting for 4 times, and stir during the melting process to mix the raw materials evenly, and pour them into alloy ingots to obtain alloy ingots with uniform composition;

[0033] 3) Master alloy broken:

[0034] After mechanically crushing the alloy ingot, put the broken block alloy into acetone solution and alcohol solution for ultrasonic cleaning, take it out and dry it naturally for use;

[0035] 4) Single-rod quenching belt:

[0036] Put the cleaned block alloy into the quartz tube of the quenching strip-making equipment, melt it by induction heating method, and u...

Embodiment 2

[0041] 1) Proportion raw materials according to the following molar percentages: 82% iron, 1% aluminum, 0.5% titanium, 0.5% copper, 0.5% silicon, 8% boron, and 4% phosphorus, totaling 5kg;

[0042] 2) Put the prepared raw materials into the crucible of the vacuum intermediate frequency induction furnace, conduct intermediate frequency induction melting 4 times, and stir during the melting process to mix the raw materials evenly, and pour them into alloy ingots to obtain alloy ingots with uniform composition;

[0043] 3) After mechanically crushing the alloy ingot, put the broken block alloy into acetone solution and alcohol solution for ultrasonic cleaning, take it out and dry it naturally for use;

[0044] 4) Put the cleaned bulk alloy into the quartz tube of the quenching strip-making equipment, melt it by induction heating, and use the single-roller quenching and stripping process to make strips in the air at a speed of 30m / s to obtain An amorphous alloy strip with a width ...

Embodiment 3

[0048] 1) Proportion raw materials according to the following molar percentages: 79% iron, 1.5% chromium, 1.5% manganese, 1.5% copper, 5% silicon, 7.5% boron, and 4% phosphorus, totaling 5kg;

[0049] 2) Put the prepared raw materials into the crucible of the vacuum intermediate frequency induction furnace, conduct intermediate frequency induction melting for 3 times, and stir during the melting process to mix the raw materials evenly, and pour them into alloy ingots to obtain alloy ingots with uniform composition;

[0050] 3) After mechanically crushing the alloy ingot, put the broken block alloy into acetone solution and alcohol solution for ultrasonic cleaning, take it out and dry it naturally for use;

[0051] 4) Put the cleaned bulk alloy into the quartz tube of the quenching strip-making equipment, melt it by induction heating, and use the single-roller quenching and stripping process to make strips in the air at a speed of 35m / s. A thin strip of amorphous alloy with a w...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Widthaaaaaaaaaa
Thicknessaaaaaaaaaa
Saturation magnetizationaaaaaaaaaa
Login to View More

Abstract

The invention discloses a high-saturated magnetization intensity Fe-based amorphous nanocrystalline soft magnetic alloy and its preparation method. The alloy is prepared from the following components, by mole, 68-90% of Fe, 0-6% of X, 0-2% of Cu, 3-20% of Si, 4-20% of B and 0-10% of P, wherein the X comprises one or more of Al, Cr, Mn and Ti. The preparation method of the alloy comprises the technological steps of component designing and burdening, mother alloy melting, mother alloy fragmentation, band preparation through single-roller quenching, and band nanocrystallization processing. The preparation method of the invention can solve a problem of low saturated magnetic induction intensity of present Fe-based amorphous nanocrystalline soft magnetic alloys.

Description

technical field [0001] The invention relates to an iron-based amorphous nanocrystalline soft magnetic alloy with high saturation magnetization and a preparation method thereof. Background technique [0002] Iron-based amorphous and nanocrystalline soft magnetic alloys have excellent comprehensive soft magnetic properties, such as high saturation magnetic inductance, high magnetic permeability, low coercive force, low loss, low excitation current and good stability, and can be used in Distribution transformers, intermediate frequency power transformers and switching power transformer cores, filter reactors, saturable reactors, motor stators and magnetic sensors are one of the most widely used and researched amorphous and nanocrystalline alloys. Because the application of iron-based amorphous and nanocrystalline alloys has great economic significance and social benefits, research on amorphous and nanocrystalline alloys has always been a research hotspot in the field of materia...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C22C45/02B22D11/06H01F1/153
Inventor 陆伟
Owner 四川大学苏州研究院
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products