CN101148743A - Iron-base amorphous alloy material with high saturation magnetic induction density - Google Patents

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

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CN101148743A
CN101148743A CNA2007101773810A CN200710177381A CN101148743A CN 101148743 A CN101148743 A CN 101148743A CN A2007101773810 A CNA2007101773810 A CN A2007101773810A CN 200710177381 A CN200710177381 A CN 200710177381A CN 101148743 A CN101148743 A CN 101148743A
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iron
alloy material
amorphous alloy
base amorphous
atomic percent
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CN100529146C (en
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张涛
邓锋
逄淑杰
刘凤娟
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Beihang University
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Abstract

The present invention discloses one kind of iron-base amorphous alloy material with high saturated induction density. The iron-base amorphous alloy material has the chemical components of FeaMobSicPdCeBf, with a+b+c+d+e+f=100 %, b is 0-2, c is 2-5, d is 8-10, e is 5-8, f is 3-5, and a for the rest. The FeaMobSicPdCeBf alloy material has one high saturated induction density of 1.30-1.55 T and excellent amorphous forming capacity, simple preparation process and low production cost. It may be applied widely in structural material, soft magnetic material, etc.

Description

The iron-base amorphous alloy material of high saturated magnetic induction
Technical field
The present invention relates to a kind of new iron-based amorphous alloy material that is mainly used in high-strong toughness, the soft magnetism of structured material and soft magnetic materials and well forms ability.
Background technology
By alloy composition is formed special amorphous structure from the non-crystaline amorphous metal of gaseous state or liquid rapid solidification preparation because of not having the long-range atomic ordered, this amorphous structure has caused non-crystaline amorphous metal to have special mechanical properties, magnetic property, solidity to corrosion and electrical property, therefore becomes very important field in the investigation of materials.
As everyone knows, has high saturated magnetic induction B in the soft magnetic materials at present SMaterial be silicon steel, its B SValue can reach 2T, but the coercivity H of silicon steel material is very high, and loss is big; Reach zero magnetostrictive cobalt base amorphous material B and have low-coercivity SValue has only 0.6～0.7T.Therefore, improve the B of non-crystalline material SValue reduces coercive force and high-frequency loss simultaneously, improves the fragility and the workability of non-crystaline amorphous metal, is a great problem that present non-crystalline material research field presses for solution.
In recent years, block Fe base noncrystal alloy had wide application prospect because of having excellent soft magnetism, wear resistance, high strength and corrosion resistance nature at aspects such as electric power, electronics, chemical industry, had caused everybody extensive concern.Be applied to the Fe base noncrystal alloy of low-loss transmission system owing to have the intensity of 3000～4000MPa, erosion resistance and excellent ferromegnetism preferably, be the focus in the non-crystaline amorphous metal investigation of materials always.At present, overall dimension Fe-based amorphous alloy Fe-Co-Cr-Mo-C-B-Y can reach diameter 16mm, does not have magnetic, is called as amorphous steel.Simultaneously, breaking tenacity reach about 4000MPa (Fe, Co)-the excellent soft magnetism iron-based of simple ternary alloy Fe-Y-B amorphous block that B-Si-Nb soft magnetism superstrength Fe-based amorphous alloy and saturation induction density surpass 1.56T is developed respectively.But existing block Fe base noncrystal alloy is subjected to certain restriction because it lacks good plastic deformation ability on industrial application, and therefore exploitation has better plasticity concurrently becomes the task of top priority with good use properties block Fe base noncrystal alloy.
Summary of the invention
The Fe that the purpose of this invention is to provide a kind of high saturated magnetic induction aMo bSi cP dC eB fIron-base amorphous alloy material, this Fe aMo bSi cP dC eB fThe atom percentage content of Mo in the alloy material is less than 2, and the atom percentage content of B has improved Fe greater than 3 effectively by the content of controlling Mo, B element aMo bSi cP dC eB fThe magnetic of amorphous alloy material, and reduced Fe aMo bSi cP dC eB fThe production cost of Fe-based amorphous alloy.
The present invention is a kind of iron-base amorphous alloy material of high saturated magnetic induction, and described iron-base amorphous alloy material chemical ingredients is Fe aMo bSi cP dC eB f, and a+b+c+d+e+f=100%, the atomic percent scope of b is 0～2, and the atomic percent scope of c is 2～5, and the atomic percent scope of d is 8～10, and the atomic percent scope of e is 5～8, and the atomic percent scope of f is 3～5, and a is a surplus.
Iron-base amorphous alloy material of the present invention, has excellent amorphous formation ability, detect through the X-ray diffraction analysis instrument, can make the amorphous ribbon of thickness greater than 0.05mm in the zone of alloy composition composition, can make critical diameter is the non-crystaline amorphous metal bar of 0.5～3mm; Temperature of fusion with 350～470 ℃ of lower glass transformation temperatures and 850～1000 ℃.The block Fe-based amorphous alloy for preparing has the higher compression yield strength of 2800MPa～3300MPa, and nearly all alloy composition composition also shows tangible viscous deformation simultaneously, maximum deformation quantity can reach 3.5%, and Vickers' hardness is up to 900～1120 simultaneously.In addition, this Fe-based amorphous alloy also has good soft magnetism, and its saturation induction density is 1.30～1.55T, and coercivity H i is less than 10A/m.Therefore, Fe base noncrystal alloy of the present invention has very strong prospects for commercial application because of having excellent properties such as excellent mechanical property and soft magnetic performance simultaneously.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.
The present invention is a kind of iron-base amorphous alloy material of high saturated magnetic induction, and described iron-base amorphous alloy material chemical ingredients is Fe aMo bSi cP dC eB f, and a+b+c+d+e+f=100%, the atomic percent scope of b is 0～2, and the atomic percent scope of c is 2～5, and the atomic percent scope of d is 8～10, and the atomic percent scope of e is 5～8, and the atomic percent scope of f is 3～5, and a is a surplus.Described Fe aMo bSi cP dC eB fThe atom percentage content of Mo is less than 2 in the iron-base amorphous alloy material, and the atom percentage content of B is greater than 3.
A kind of preparation Fe aMo bSi cP dC eB fThe method of iron-base amorphous alloy material, it has the following step:
Step 1: take by weighing each element
According to target the required atom number of composition calculates the weight of associated Fe, Mo, Si, P, C, B element, and is stand-by after taking by weighing;
Step 2: melting system Fe aMo bSi cP dC eB fAlloy
With step 1 claim the target component raw material put into vacuum high-frequency induction smelting furnace, regulate suction to 5 * 10 -3Pa charges into argon shield gas, and argon pressure is 0.05MPa; Regulate 1000～1600 ℃ of electric current 15～25A, temperature sensors; Furnace cooling takes out and promptly makes Fe behind smelting time 5～10min aMo bSi cP dC eB fAlloy;
Step 3: system Fe aMo bSi cP dC eB fThe non-crystaline amorphous metal bar
The described Fe that step 2 is made aMo bSi cP dC eB fAlloy is put into the induction furnace of quick solidification apparatus, regulates suction to 5 * 10 -3Pa charges into argon shield gas, and argon pressure is 0.05MPa; Regulate 900～1100 ℃ of electric current 2～10A, temperature sensors; Spurt in the copper mold behind smelting time 2～5min, and promptly make Fe with the copper mold cooling aMo bSi cP dC eB fThe non-crystaline amorphous metal bar.
With the Fe that makes aMo bSi cP dC eB fNon-crystaline amorphous metal bar intercepting Ф 2mm * 4mm, (in the present invention, the compression mechanical property of material adopts the MTS testing of equipment, and hardness adopts microhardness tester (Vickers hardness indenter) to measure to test its compression mechanical property and hardness.This Fe base noncrystal alloy system not only has higher breaking tenacity 2800MPa～3300Mpa, and nearly all alloy composition composition also shows tangible viscous deformation simultaneously, and the amount of plastic deformation maximum can reach 3.5%, and Vickers' hardness is up to 900～1120 simultaneously.
The Fe that makes aMo bSi cP dC eB fAmorphous alloy material has good soft magnetism, and its saturation induction density is 1.30～1.55T, and coercivity H i is less than 10A/m.In the present invention, the saturation induction density of material adopts VSM (Lakeshore 7307) testing of equipment, and coercive force adopts hysteresiscope (B-H loop tracer) to measure.
Therefore, Fe of the present invention aMo bSi cP dC eB fNon-crystaline amorphous metal has comparatively wide industrial application prospect because of having excellent properties such as excellent mechanical property and soft magnetic performance simultaneously.
Implement 1:Preparation Fe 78Mo 0.5Si 3P 9C 6.5B 3The non-crystaline amorphous metal bar
Preparation Fe 78Mo 0.5Si 3P 9C 6.5B 3The step of non-crystaline amorphous metal bar is as follows:
Step 1: take by weighing each element
Press Fe 78Mo 0.5Si 3P 9C 6.5B 3The atom consumption proportion prepare burden, in actual fabrication process, convert quality to according to each atoms of elements consumption and take by weighing the common practise that this is this area;
Step 2: system Fe 78Mo 0.5Si 3P 9C 6.5B 3Mother alloy
The described batching that step 1 makes is put into NEV-MO4C type vacuum high-frequency induction smelting furnace respectively, regulate suction to 5 * 10 -3Pa charges into 0.05MPa argon shield gas; Regulate electric current 24A, 1500 ℃ of temperature sensors; Furnace cooling takes out behind the smelting time 10min;
Step 3: system Fe 78Mo 0.5Si 3P 9C 6.5B 3The non-crystaline amorphous metal bar
The described Fe that step 2 is made 78Mo 0.5Si 3P 9C 6.5B 3Mother alloy is put into the induction furnace of NEW-A05 type quick solidification apparatus respectively, regulates suction to 5 * 10 -3Pa charges into 0.05MPa argon shield gas; Regulate electric current 2A, 1100 ℃ of temperature sensors; Spurt into behind the smelting time 2min in the copper mold that the internal recess diameter is 2mm, with promptly making Fe after the copper mold cooling 78Mo 0.5Si 3P 9C 6.5B 3The non-crystaline amorphous metal bar.
This alloy has good amorphous formation ability, and non-crystaline amorphous metal bar critical diameter is of a size of 2mm.The non-crystaline amorphous metal bar intercepting Ф 2mm * 4mm sample that makes is carried out Mechanics Performance Testing, and its breaking tenacity is 2880Mpa, and most of composition also shows very significantly viscous deformation simultaneously, and amount of plastic deformation is 2.2%, and hardness is 985.Saturation induction density is 1.55T, and coercivity H i is 3.93A/m.
Implement 2:Preparation Fe 77Mo 0.5Si 3P 8C 6.5B 5The non-crystaline amorphous metal bar
Preparation Fe 77Mo 0.5Si 3P 8C 6.5B 5The step of non-crystaline amorphous metal bar has:
Step 1: take by weighing each element
Press Fe 77Mo 0.5Si 3P 8C 6.5B 5The chemical ingredients proportioning is prepared burden, and adopts Fe, Mo, Si, P, C, the B raw material of purity 99.9%;
Step 2: system Fe 77Mo 0.5Si 3P 8C 6.5B 5Mother alloy
The described batching that step 1 makes is put into vacuum smelting furnace (NEV-MO4C),
Regulate suction to 5 * 10 -3Pa charges into 0.05MPa argon shield gas then;
Regulate electric current 24A, 1500 ℃ of temperature sensors;
Furnace cooling takes out behind the smelting time 10min;
Step 3: system Fe 77Mo 0.5Si 3P 8C 6.5B 5The non-crystaline amorphous metal bar
The described Fe that step 2 is made 77Mo 0.5Si 3P 8C 6.5B 5Mother alloy is put into the induction furnace (NEW-A05) of quick solidification apparatus,
Regulate suction to 5 * 10 -3Pa charges into 0.05MPa argon shield gas then;
Regulate electric current 2A, 1100 ℃ of temperature sensors;
Be injected into behind the smelting time 2min in the copper mold that the internal recess diameter is 2mm, with making Fe after the copper mold cooling 77Mo 0.5Si 3P 8C 6.5B 5The non-crystaline amorphous metal bar.
This Fe 77Mo 0.5Si 3P 8C 6.5B 5Alloy has good amorphous formation ability, and maximum critical size is 3mm; With the Fe that makes 77Mo 0.5Si 3P 8C 6.5B 5Non-crystaline amorphous metal bar intercepting Ф 2mm * 4mm tests its compression mechanical property, and yield strength is 3280MPa, and amount of plastic deformation is 2.5%, hardness 1030; The soft magnetism saturation induction density is 1.50T simultaneously, and coercivity H i is 9.21A/m.
Embodiment 3:The Fe of system 76Si 2P 10C 7.5B 4.5The non-crystaline amorphous metal bar
Preparation does not contain the Fe of Mo element 76Si 2P 10C 7.5B 4.5The step of non-crystaline amorphous metal is as follows:
Step 1: take by weighing each element
Press Fe 76Si 2P 10C 7.5B 4.5The atom consumption proportion prepare burden, adopt Fe, Mo, Si, P, C, the B of purity 99.9%, mol ratio according to Fe: Si: P: C: B is 76: 2: 10: 7.5: 4.5 ratio prepare burden (in actual fabrication process, convert quality to according to each atoms of elements consumption and take by weighing);
Step 2: system Fe 76Si 2P 10C 7.5B 4.5Mother alloy
The described batching that step 1 makes is put into NEV-MO4C type vacuum high-frequency induction smelting furnace respectively, regulate suction to 5 * 10 -3Pa charges into 0.05MPa argon shield gas; Regulate electric current 24A, 1500 ℃ of temperature sensors; Furnace cooling takes out behind the smelting time 10min;
Step 3: system Fe 76Si 2P 10C 7.5B 4.5The non-crystaline amorphous metal bar
The described Fe that step 2 is made 76Si 2P 10C 7.5B 4.5Mother alloy is put into the induction furnace of NEW-A05 type quick solidification apparatus respectively, regulates suction to 5 * 10 -3Pa charges into 0.05MPa argon shield gas; Regulate electric current 2A, 1100 ℃ of temperature sensors; Spurt into behind the smelting time 2min in the copper mold that the internal recess diameter is 2mm, with promptly making Fe after the copper mold cooling 76Si 2P 10C 7.5B 4.5The non-crystaline amorphous metal bar.
This alloy has good amorphous formation ability, and non-crystaline amorphous metal bar critical diameter is of a size of 2mm.The non-crystaline amorphous metal bar intercepting Ф 2mm * 4mm sample that makes is carried out Mechanics Performance Testing, and its breaking tenacity is 3030Mpa, and most of composition also shows very significantly viscous deformation simultaneously, and amount of plastic deformation is 2%, and hardness is 980.Saturation induction density is 1.48T, and coercivity H i is 5.6A/m.
Adopting under above-mentioned identical preparation method's condition, by changing the Fe that different consumptions prepares aMo bSi cP dC eB fNon-crystaline amorphous metal has lower temperature of fusion and good thermodynamic stability, and the composition in most of zone has stable bigger supercooled liquid interval.
Iron-base amorphous alloy material with plasticity and soft magnetism of the present invention, under identical vacuum high-frequency induction smelting furnace and quick solidification apparatus environment, the correlated performance parameter of the iron-base amorphous alloy material of the consumption of its different components is asked shown in the following table:
NEV-M04C vacuum high-frequency induction smelting furnace melting condition: regulate vacuum tightness to 5 * 10 -3Pa charges into 0.05MPa argon shield gas then; Regulate electric current 24A; Smelting temperature: 1500 ℃; Smelting time: 10min.
NEW-A05 quick solidification apparatus condition: regulate vacuum tightness to 5 * 10 -3Pa charges into 0.05MPa argon shield gas then; Regulate electric current 2A; Smelting temperature: 1100 ℃; Smelting time: 2min.
Test condition: the compression mechanical property adopts the MTS testing of equipment, and hardness adopts microhardness tester to measure, and saturation induction density adopts the VSM testing of equipment, and coercive force adopts hysteresiscope to measure.
Composition Yield strength (MPa) Amount of plastic deformation (%) Hardness (HV) Coercive force (Hc) Saturation induction density (T)
Fe 76Mo 0.1Si 2P 10C 7.5B 4.4 2930 2.0 980 3.31 1.47
Fe 77Mo 1Si 2P 9C 7.5B 3.5 3050 3.1 952 2.727 1.46
Fe 77Mo 1.5Si 2P 9C 7.5B 3 3120 2.5 934 2.73 1.36
Fe 77Mo 2Si 2P 8.5C 7.5B 3 3100 2.3 977 4.65 1.31

Claims (5)

1. the iron-base amorphous alloy material of a high saturated magnetic induction, it is characterized in that: described iron-base amorphous alloy material chemical ingredients is Fe aMo bSi cP dC eB f, and a+b+c+d+e+f=100%, the atomic percent scope of b is 0～2, and the atomic percent scope of c is 2～5, and the atomic percent scope of d is 8～10, and the atomic percent scope of e is 5～8, and the atomic percent scope of f is 3～5, and a is a surplus.
2. Fe according to claim 1 aMo bSi cP dC eB fIron-base amorphous alloy material is characterized in that the iron-base amorphous alloy material chemical ingredients is:
Fe 78Mo 0.5Si 3P 9C 6.5B 3Or Fe 76Mo 0.1Si 2P 10C 7.5B 4.4Or
Fe 77Mo 1Si 2P 9C 7.5B 3.5Or Fe 77Mo 1.5Si 2P 9C 7.5B 3Or
Fe 76Si 2P 10C 7.5B 4.5。
3. Fe according to claim 1 aMo bSi cP dC eB fIron-base amorphous alloy material is characterized in that: the high saturated magnetic induction with 1.30～1.55T.
4. Fe according to claim 1 aMo bSi cP dC eB fIron-base amorphous alloy material is characterized in that: thickness is the amorphous ribbon of 0.05mm, and can make critical diameter is the non-crystaline amorphous metal bar of 0.5～3mm.
5. one kind prepares Fe as claimed in claim 1 aMo bSi cP dC eB fThe method of iron-base amorphous alloy material is characterized in that the following step is arranged:
Step 1: take by weighing each element
According to target the required atom number of composition calculates the weight of associated Fe, Mo, Si, P, C, B element, and is stand-by after taking by weighing;
Step 2: melting system Fe aMo bSi cP dC eB fMother alloy
With step 1 claim the target component raw material put into vacuum high-frequency induction smelting furnace, suction to 5 * 10 -3Pa charges into argon shield gas, and argon pressure is 0.05MPa; Regulate 1000～1600 ℃ of electric current 15～25A, temperature sensors; Furnace cooling takes out and promptly makes Fe behind smelting time 5～10min aMo bSi cP dC eB fMother alloy;
Step 3: system Fe aMo bSi cP dC eB fThe non-crystaline amorphous metal bar
The described Fe that step 2 is made aMo bSi cP dC eB fMother alloy is put into the induction furnace of quick solidification apparatus, suction to 5 * 10 -3Pa charges into argon shield gas, and argon pressure is 0.05MPa; Regulate 900～1100 ℃ of electric current 2～10A, temperature sensors; Spurt in the copper mold behind smelting time 2～5min, and, promptly make Fe with the copper mold cooling aMo bSi cP dC eB fThe non-crystaline amorphous metal bar.
CNB2007101773810A 2007-11-15 2007-11-15 Iron-base amorphous alloy material with high saturation magnetic induction density Expired - Fee Related CN100529146C (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101705443B (en) * 2009-12-04 2011-05-11 清华大学 Block Fe-based amorphous alloy with high Fe content and preparation method thereof
WO2013087627A1 (en) 2011-12-12 2013-06-20 Ocas Onderzoekscentrum Voor Aanwending Van Staal N.V. Fe-based soft magnetic glassy alloy material
CN103290342A (en) * 2013-06-19 2013-09-11 天津非晶科技有限公司 Fe-based amorphous alloy and preparation method thereof
CN103882347A (en) * 2014-03-05 2014-06-25 清华大学 Blocky and stripped ferrum-based amorphous alloy with high magnetic element content, and preparation method
CN104109821A (en) * 2014-08-12 2014-10-22 太原理工大学 Method for improving amorphous forming ability of Fe77Mo2P10C4B4Si3 bulk amorphous alloy
CN104550823A (en) * 2015-01-14 2015-04-29 东莞台一盈拓科技股份有限公司 Application of amorphous alloy in preparation of electronic products
CN112342476A (en) * 2020-10-21 2021-02-09 江苏大磁纳米材料有限公司 Hydrogen-containing iron-based amorphous alloy and preparation method thereof
CN114150236A (en) * 2020-12-24 2022-03-08 佛山市中研非晶科技股份有限公司 Iron-based amorphous alloy film, preparation method thereof, electromagnetic shielding film and equipment applying iron-based amorphous alloy film

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101705443B (en) * 2009-12-04 2011-05-11 清华大学 Block Fe-based amorphous alloy with high Fe content and preparation method thereof
WO2013087627A1 (en) 2011-12-12 2013-06-20 Ocas Onderzoekscentrum Voor Aanwending Van Staal N.V. Fe-based soft magnetic glassy alloy material
CN103290342A (en) * 2013-06-19 2013-09-11 天津非晶科技有限公司 Fe-based amorphous alloy and preparation method thereof
CN103290342B (en) * 2013-06-19 2015-09-02 天津非晶科技有限公司 Fe base noncrystal alloy and preparation method thereof
CN103882347A (en) * 2014-03-05 2014-06-25 清华大学 Blocky and stripped ferrum-based amorphous alloy with high magnetic element content, and preparation method
CN103882347B (en) * 2014-03-05 2016-11-16 清华大学 The block of high magnetic element content and ribbon Fe-based amorphous alloy and preparation method
CN104109821A (en) * 2014-08-12 2014-10-22 太原理工大学 Method for improving amorphous forming ability of Fe77Mo2P10C4B4Si3 bulk amorphous alloy
CN104109821B (en) * 2014-08-12 2016-05-04 太原理工大学 A kind of Fe that improves77Mo2P10C4B4Si3The method of block amorphous alloy amorphous formation ability
CN104550823A (en) * 2015-01-14 2015-04-29 东莞台一盈拓科技股份有限公司 Application of amorphous alloy in preparation of electronic products
CN112342476A (en) * 2020-10-21 2021-02-09 江苏大磁纳米材料有限公司 Hydrogen-containing iron-based amorphous alloy and preparation method thereof
CN112342476B (en) * 2020-10-21 2022-05-20 江苏大磁纳米材料有限公司 Hydrogen-containing iron-based amorphous alloy and preparation method thereof
CN114150236A (en) * 2020-12-24 2022-03-08 佛山市中研非晶科技股份有限公司 Iron-based amorphous alloy film, preparation method thereof, electromagnetic shielding film and equipment applying iron-based amorphous alloy film

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