CN101465406A - High-performance polycrystal texture Fe-Ga-based magnetic deformation slice material and preparation method thereof - Google Patents

High-performance polycrystal texture Fe-Ga-based magnetic deformation slice material and preparation method thereof Download PDF

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CN101465406A
CN101465406A CN 200910076722 CN200910076722A CN101465406A CN 101465406 A CN101465406 A CN 101465406A CN 200910076722 CN200910076722 CN 200910076722 CN 200910076722 A CN200910076722 A CN 200910076722A CN 101465406 A CN101465406 A CN 101465406A
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高学绪
何承先
李纪恒
包小倩
张茂才
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University of Science and Technology Beijing USTB
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Abstract

The invention relates to a high-performance polycrystalline texture Fe-Ga-based magnetostrictive thin material and a preparation method thereof; the component of the material is Fe100-x-y-zGaxMyNz; M stands for one or more among B, Nb, Cr, VC, TiC, MnS and AlN; N stands for one or more among S, Sb and Sn; wherein, x is equal to 15-25; y is equal to 0.5-3.0; z is equal to 0.01-0.05; and the residual is iron. The method has the following process key points: based on the requirements of the material composition, melting master alloy; casting alloy ingot; hot-forging and cogging; rolling the material into the appropriate thickness; and a variety of follow-up heat treatment. The Fe-Ga-based magnetostrictive thin material has obvious (100)<001>cubic texture or (110) <001> goss texture; and the maximum magnetostriction coefficient (3/2)lambdas is up to 280 multiplying 10<-6>.

Description

High-performance polycrystal texture Fe-Ga-based magnetic deformation slice material and preparation method thereof
Technical field
The invention belongs to field of magnetic material, relate to a kind of high-performance polycrystal texture magnetic deformation slice material and preparation method thereof.
Background technology
When being magnetized in the ferromagnet outside magnetic field, its length and volume all change, and this phenomenon is called as magnetostriction or magnetostrictive effect.Magnetostriction can be divided into line magnetostriction and volume magnetostriction.Practical magnetostrictive material promptly are meant the material with line Magnetostrictive Properties.Line magnetostriction or line magnetostriction coefficient are represented with λ usually, λ=Δ L/L (L is the material original length, the variation that sample took place when Δ L was the magnetized state change).As λ〉0 the time, be direct magnetostriction, ferromagnet extends along magnetic direction, and the vertical magnetic field direction shortens; When λ＜0, be negative magnetostriction, ferromagnet shortens along magnetic direction, and the elongation of vertical magnetic field direction.The maximum magnetostriction coefficient that material is produced when being magnetized is called the saturation magnetostriction coefficient lambda s
Though traditional magnetostrictive material have the characteristics of Curie temperature height and good mechanical property, its magnetostriction coefficient is lower; And be though that the giant magnetostrictive material of representative has good performances such as magnetostrictive strain is big with Tb-Dy-Fe, have simultaneously a little less than the stretch-proof ability, quality is more crisp, the more high shortcomings of the cost of raw material have limited the application in all fields of this material.
2000, people such as the Guruswamy S of the U.S. are based on the magnetostriction character of Fe-Al alloy, with replacing with the element Ga of gang with Al or part replaces Al in the Fe-Al alloy, find that the Fe-Ga bianry alloy has the magnetostriction value much higher than the Fe-Al alloy, monocrystalline＜100〉the saturation magnetostriction coefficient lambda in crystal orientation 100=271 * 10 -6Cause great concern, be called Galfenol (Guruswamy S, Srisukhumbowornchai N, Clark A E, et al.Strong, ductile, andlow-field-magntostrictive alloys based on Fe-Ga.Scripta.Mater., 2000,43:239～244; Srisukhumbowornchai N, Guruswamya S.Large magnetostriction in directionally solidifiedFeGa and FeGaAl alloys.J.Appl.Phys., 2001,90 (11): 5680～5688).The λ value of Fe-Ga alloy is higher more than at least one times than traditional magnetostrictive material, and intensity is high more a lot of than giant magnetostrictive material with magnetic permeability, is a kind of novel magnetostrictive material.But, under high frequency, use and to produce than the maelstrom loss because the resistivity of this material is lower.
Therefore, people's exploration is rolled into it laminar, to reduce the eddy current loss under the high frequency service condition, improves its high frequency characteristics.For sheeting, usually with rolling to (3/2) λ sMagnetostrictive performance characterization parameter as material.(3/2) λ sNumerical value can be by formula (3/2) λ s=λ //-λ ⊥Calculating gets, wherein λ //Be meant that thin slice rolls to being parallel to the measured saturation magnetostriction coefficient of magnetic direction; λ ⊥Be meant that thin slice rolls to perpendicular to the measured saturation magnetostriction coefficient of magnetic direction.
2003, U.S. Kellogg RA etc. were to Fe 83Ga 17Alloy has carried out hot rolling, warm-rolling, recovery and recrystallization heat treatment, obtains the cubic texture of a small amount of disperse, and thin slice saturation magnetostriction coefficient (3/2) λ s is about 170 * 10 -6(Kellogg?R?A，Flatau?A?B，Clark?A?E.Texture?and?grain?morphology?dependencies?of?saturationmagnetostriction?in?rolled?polycrystalline?Fe 83Ga 17.J.Appl.Phys.，2003，93(10)：8495～8497)
2006, people such as U.S. Na S M and Flatau A B reported at Fe 81.3Ga 18.7Add boron and sulphur in the alloy, by the method for hot rolling, warm-rolling, cold rolling and subsequent heat treatment, obtain sheeting with approximate cubic texture or approximate Gaussian texture, high-magnetostriction value is 220 * 10 -6(Na?S?M，Flatau?A?B.Magnetostriction?andcrystallographic?texture?in?rolled?and?annealed?Fe-Ga?based?alloys.Mater.Res.Soc.Symp.Proc，2006，888：335)
United States Patent (USP) WO 2006/094251 has announced in Fe-Ga base alloy and has added NbC or Be or Al or compound interpolation, at the outside of alloy involucrum in case oxidation and prevent the thermal loss of alloy surface when rolling, by hot rolling, two sections 400 ℃ of warm-rollings and follow-up heat treatment, obtained to have the Fe-Ga based magnetic deformation slice material that mixes texture or approximate cubic texture.
In the above-mentioned research about Fe-Ga base sheeting, common deficiency is that manufacturing process is all too complicated, comprising need foundry alloy is carried out involucrum, hot rolling, all more than 100 passages, the stress relief annealing repeatedly in the operation of rolling and the saturation magnetostriction coefficient value of gained thin slice are less for warm-rolling and cold rolling total passage.
Summary of the invention
For these reasons, the present invention adopts the less rolling mill practice of rolling pass, by rolling the back rational heat treatment, thereby obtains to have good texture, high-magnetostriction performance, can satisfy the laminar magnetostriction alloy material of upper frequency service condition.
Purpose of the present invention realizes by following aspect:
On the one hand, the invention provides a kind of high-performance polycrystal texture Fe-Ga-based magnetic deformation slice material, material composition is: Fe 100-x-y-zGa xM yN z, M is one or more among B, Nb, Cr, VC, TiC, MnS, the AlN, N is one or more among S, Sb, the Sn, and (by atomic percent) x=15～25 wherein, y=0.5～3.0, z=0.01～0.05, surplus is Fe.
On the other hand, the invention provides a kind of method for preparing high-performance polycrystal texture Fe-Ga-based magnetic deformation slice material.At first melting, forge hot, alloy sheet after rolling are carried out removing surface, select following a kind of method to heat-treat then:
Method one as protective atmosphere, feeds the hydrogen sulfide or the oxygen of 0.001%～0.008% (volume ratio) with argon gas again, is incubated 0.5～18 hour under 1000 ℃～1350 ℃ temperature, and air cooling or water-cooled are to room temperature then.
Method two; with pure argon or the argon gas that is mixed with 0.001%～0.008% (volume ratio) hydrogen sulfide or oxygen as protective atmosphere; 1000 ℃～1350 ℃ insulations 0.5～7 hour, stove was chilled to 850 ℃～650 ℃ insulations 2～8 hours, and air cooling or water-cooled are to room temperature then.
Method three; with pure argon or the argon gas that is mixed with 0.001%～0.008% (volume ratio) hydrogen sulfide or oxygen as protective atmosphere; 900 ℃～1150 ℃ insulations 2～9 hours, be warming up to 1150 ℃～1350 ℃ insulations 0.5～6 hour, air cooling or water-cooled are to room temperature then.
By heat treatment, obtain high-performance polycrystal texture Fe-Ga-based magnetic deformation slice material.
Described melting is to prepare burden and add an amount of scaling loss by designed composition; With vaccum sensitive stove or magnetic suspension stove or arc-melting furnace smelting nut alloy, suction to 2 * 10 -3Pa～4 * 10 -3Pa feeds argon gas and keeps vacuum degree to 2 * 10 4Heat behind the Pa, make the raw material fusing form alloy, fusing back refining 2～3 minutes to guarantee the uniformity of alloying component, pours into alloy pig with the alloy after the refining.
Described forge hot is that alloy pig is forged under 900 ℃～1000 ℃ temperature, destroys as-cast structure, and the raw material that is suitable for hot rolling shape is provided.
Described rolling be that the alloy after forging is carried out down cold rolling of 900 ℃～1000 ℃ hot rollings, 300 ℃～500 ℃ warm-rollings and normal temperature respectively, total passage＜100, total deformation is 90%～99%.
Alloy sheet thickness during heat treatment is 0.1～0.3mm.
The present invention prepares Fe-Ga base magnetic striction thin slice crystal and mostly is＜and 100〉or＜110〉orientation, or both exist simultaneously, and be attended by other crystal orientation, but with＜100〉or＜110 be oriented to the master, thereby sheeting have good cubic texture 100}＜001〉or goss texture 110}＜001 〉.
Adopt the Fe-Ga base magnetic striction thin slice that the inventive method obtained, along rolling to having higher magnetostriction performance, magnetostriction coefficient (3/2) λ sCan reach 160 * 10 -6～280 * 10 -6
The invention has the advantages that: the Fe-Ga base magnetic striction thin slice that develop (1), texture type ideal, low magnetostriction function admirable; (2) manufacturing process is simple, and cost is low, helps applying.
Polycrystal texture Fe-Ga-based magnetic deformation thin slice magnetostriction performance of the present invention is good, as the senser of transducer, can improve the sensitivity and the precision of test, and has intensity and corrosion resisting property preferably, can use under adverse circumstances.
Description of drawings
Fig. 1 for to have＜100〉orientation the X ray diffracting spectrum of Fe-Ga base magnetic striction thin slice;
Fig. 2 is for rolling attitude Fe 82.24Ga 17B 0.75S 0.01The magnetostriction performance curve of thin slice;
Fig. 3 is Fe after the heat treatment 82.24Ga 17B 0.75S 0.01The magnetostriction performance curve of thin slice;
Fig. 4 is Fe after the heat treatment 80.95Ga 17(MnS) 2Sn 0.05The magnetostriction performance curve of thin slice;
Fig. 5 is F after the heat treatment E82.24Ga 17B 0.75S 0.01The magnetostriction thin slice
Figure A200910076722D0006182606QIETU
Figure;
Fig. 6 is Fe after the heat treatment 80.95Ga 17(MnS) 2Sn 0.05The magnetostriction thin slice
Figure A200910076722D0006182615QIETU
Figure.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Embodiment 1: preparation high-performance polycrystal texture Fe 82.24Ga 17B 0.75S 0.01The magnetostriction thin slice
Take by weighing the raw material of design with electronic balance, wherein use purity greater than 99.9% Fe, 99.99% Ga, B and S, and add 3% Ga scaling loss amount, confected materials is put in the crucible of vaccum sensitive stove suction to 3 * 10 -3Pa feeds argon gas and keeps vacuum degree to 2 * 10 4Heat behind the Pa, make the raw material fusing form alloy, fusing back refining 3 minutes to guarantee the uniformity of alloying component, pours into alloy pig with the alloy after the refining;
Alloy pig is forged into the approximate cuboid blank that thickness is about 10mm at 950 ℃, destroy as-cast structure, the raw material that is suitable for hot rolling shape is provided;
Alloy after forging is carried out 950 ℃ of hot rollings, 400 ℃ of warm-rollings, cold rolling respectively, and total deformation is 98%, and total passage is 80, is rolled to 0.2mm;
Alloy sheet after cold rolling is carried out removing surface, then with argon gas as protective atmosphere, feed the hydrogen sulfide gas of 0.006% (volume ratio) again, 1250 ℃ the insulation 4 hours, water-cooled is to room temperature.
Fig. 2 is for rolling attitude Fe 82.24Ga 17B 0.75S 0.01The magnetostriction performance curve of magnetostriction thin slice, thin slice along roll to maximum magnetostriction coefficient (3/2) λ sBe 37 * 10 -6Fig. 3 is Fe after the heat treatment 82.24Ga 17B 0.75S 0.01The magnetostriction performance curve of magnetostriction thin slice, thin slice along roll to maximum magnetostriction coefficient (3/2) λ sBe 215 * 10 -6Fig. 5 is Fe after the heat treatment 82.24Ga 17B 0.75S 0.01The magnetostriction thin slice
Figure A200910076722D0006182615QIETU
Figure, as can be seen, thin slice have tangible goss texture 110}＜001 〉.
Embodiment 2: preparation high-performance polycrystal texture Fe 80.95Ga 17(MnS) 2Sn 0.05The magnetostriction thin slice
Take by weighing the raw material of design with electronic balance, wherein use purity greater than 99.9% Fe, 99.99% Ga, MnS and Sn, and add 3% Ga scaling loss amount, confected materials is put in the crucible of vaccum sensitive stove suction to 3 * 10 -3Pa feeds argon gas and keeps vacuum degree to 2 * 10 4Heat behind the Pa, make the raw material fusing form alloy, fusing back refining 3 minutes to guarantee the uniformity of alloying component, pours into alloy pig with the alloy after the refining;
Alloy pig is forged into the approximate cuboid blank that thickness is about 8mm at 950 ℃, destroy as-cast structure, the raw material that is suitable for hot rolling shape is provided;
Alloy after forging is carried out 950 ℃ of hot rollings, 450 ℃ of warm-rollings, cold rolling respectively, and total deformation is 97%, and total passage is 75, is rolled to 0.24mm;
Alloy sheet after cold rolling is carried out removing surface, and under argon shield atmosphere, 1300 ℃ of insulations 1 hour, stove was chilled to 730 ℃ of insulations 5 hours then, and water-cooled is to room temperature.
Fig. 4 is Fe after the heat treatment 80.95Ga 17(MnS) 2Sn 0.05The magnetostriction performance curve of magnetostriction thin slice, thin slice along roll to maximum magnetostriction coefficient (3/2) λ sBe 245 * 10 -6Fig. 6 is Fe after the heat treatment 80.95Ga 17(MnS) 2Sn 0.05The magnetostriction thin slice
Figure A200910076722D0006182615QIETU
Figure, as can be seen, thin slice have tangible cubic texture 100}＜001 〉.
Embodiment 3: preparation high-performance polycrystal texture Fe 81.95Ga 17(AlN) 1Sb 0.05The magnetostriction thin slice
Take by weighing the raw material of design with electronic balance, wherein use purity greater than 99.9% Fe, 99.99% Ga, AlN and Sb, and add 3% Ga scaling loss amount, confected materials is put in the crucible of vaccum sensitive stove suction to 3 * 10 -3Pa feeds argon gas and keeps vacuum degree to 2 * 10 4Heat behind the Pa, make the raw material fusing form alloy, fusing back refining 3 minutes to guarantee the uniformity of alloying component, pours into alloy pig with the alloy after the refining;
Alloy pig is forged into the approximate cuboid blank that thickness is about 8mm at 950 ℃, destroy as-cast structure, the raw material that is suitable for hot rolling shape is provided;
Alloy after forging is carried out 950 ℃ of hot rollings, 450 ℃ of warm-rollings, cold rolling respectively, and total deformation is 98%, and total passage is 85, is rolled to 0.16mm;
Alloy sheet after cold rolling is carried out removing surface, then with argon gas as protective atmosphere, feed the oxygen of 0.003% (volume ratio) again, 1000 ℃ the insulation 5 hours, be warming up to 1250 ℃ the insulation 2 hours, water-cooled is to room temperature.
Magnetostriction coefficient (3/2) λ of the final sheeting that is obtained sReach 203 * 10 -6
Embodiment 4: preparation high-performance polycrystal texture Fe 81.95Ga 17(VC) 1Sn 0.03Sb 0.02The magnetostriction thin slice
Take by weighing the raw material of design with electronic balance, wherein use purity greater than 99.9% Fe, 99.99% Ga, VC, Sn and Sb, and add 3% Ga scaling loss amount, confected materials is put in the crucible of vaccum sensitive stove suction to 3 * 10 -3Pa feeds argon gas and keeps vacuum degree to 2 * 10 4Heat behind the Pa, make the raw material fusing form alloy, fusing back refining 3 minutes to guarantee the uniformity of alloying component, pours into alloy pig with the alloy after the refining;
Alloy pig is forged into the approximate cuboid blank that thickness is about 10mm at 1000 ℃, destroy as-cast structure, the raw material that is suitable for hot rolling shape is provided;
Alloy after forging is carried out 1000 ℃ of hot rollings, 450 ℃ of warm-rollings, cold rolling respectively, and total deformation is 98%, and total passage is 82, is rolled to 0.2mm;
Alloy sheet after cold rolling is carried out removing surface, then with argon gas as protective atmosphere, feed the hydrogen sulfide gas of 0.004% (volume ratio) again, 1300 ℃ the insulation 2 hours, air cooling is to room temperature.
Magnetostriction coefficient (3/2) λ of the final sheeting that is obtained sReach 186 * 10 -6

Claims (6)

1, a kind of high-performance polycrystal texture Fe-Ga-based magnetic deformation slice material is characterized in that, material composition is: Fe 100-x-y-zGa xM yN z, M is one or more among B, Nb, Cr, VC, TiC, MnS, the AlN, N is one or more among S, Sb, the Sn, and wherein by atomic percent, x=15～25, y=0.5～3.0, z=0.01～0.05, surplus is Fe.
2, the preparation method of the described high-performance polycrystal texture Fe-Ga-based magnetic deformation slice material of claim 1 is characterized in that, at first melting, forge hot, alloy sheet after rolling is carried out removing surface, selects following a kind of method to heat-treat then:
Method one as protective atmosphere, feeds volume ratio and is 0.001%～0.008% hydrogen sulfide or oxygen with argon gas again, is incubated 0.5～18 hour under 1000 ℃～1350 ℃ temperature, and air cooling or water-cooled are to room temperature then.
Method two; with pure argon or to be mixed with volume ratio be that the argon gas of 0.001%～0.008% hydrogen sulfide or oxygen is as protective atmosphere; 1000 ℃～1350 ℃ insulations 0.5～7 hour, stove was chilled to 850 ℃～650 ℃ insulations 2～8 hours, and air cooling or water-cooled are to room temperature then.
Method three; with pure argon or to be mixed with volume ratio be that the argon gas of 0.001%～0.008% hydrogen sulfide or oxygen is as protective atmosphere; 900 ℃～1150 ℃ insulations 2～9 hours, be warming up to 1150 ℃～1350 ℃ insulations 0.5～6 hour, air cooling or water-cooled are to room temperature then.
By heat treatment, obtain high-performance polycrystal texture Fe-Ga-based magnetic deformation slice material.
3, preparation method as claimed in claim 2 is characterized in that, described melting is to prepare burden and add an amount of scaling loss by designed composition; With vaccum sensitive stove or magnetic suspension stove or arc-melting furnace smelting nut alloy, suction to 2 * 10 -3Pa～4 * 10 -3Pa feeds argon gas and keeps vacuum degree to 2 * 10 4Heat behind the Pa, make the raw material fusing form alloy, fusing back refining 2～3 minutes to guarantee the uniformity of alloying component, pours into alloy pig with the alloy after the refining.
4, preparation method as claimed in claim 2 is characterized in that, described forge hot is that alloy pig is forged under 900 ℃～1000 ℃ temperature.
5, preparation method as claimed in claim 2 is characterized in that, described rolling be that the alloy after forging is carried out down cold rolling of 900 ℃～1000 ℃ hot rollings, 300 ℃～500 ℃ warm-rollings and normal temperature respectively, total passage＜100, total deformation is 90%～99%.
6, preparation method as claimed in claim 2 is characterized in that, the alloy sheet thickness during heat treatment is 0.1～0.3mm.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102176507A (en) * 2011-03-15 2011-09-07 北京科技大学 Preparation method of FeGaYB lamellate magnetostriction material
CN103014594A (en) * 2012-12-26 2013-04-03 北京科技大学 Preparation method of high-performance magnetostrictive thin plate strip
CN103556046A (en) * 2013-11-13 2014-02-05 北京科技大学 Fe-Ga based sheet material with high magnetostriction coefficient and preparation method thereof
CN114231852A (en) * 2021-11-26 2022-03-25 沈阳工业大学 Magnetostrictive thin strip material, preparation method and application

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102176507A (en) * 2011-03-15 2011-09-07 北京科技大学 Preparation method of FeGaYB lamellate magnetostriction material
CN103014594A (en) * 2012-12-26 2013-04-03 北京科技大学 Preparation method of high-performance magnetostrictive thin plate strip
CN103014594B (en) * 2012-12-26 2014-11-19 北京科技大学 Preparation method of high-performance magnetostrictive thin plate strip
CN103556046A (en) * 2013-11-13 2014-02-05 北京科技大学 Fe-Ga based sheet material with high magnetostriction coefficient and preparation method thereof
CN114231852A (en) * 2021-11-26 2022-03-25 沈阳工业大学 Magnetostrictive thin strip material, preparation method and application
CN114231852B (en) * 2021-11-26 2022-10-11 沈阳工业大学 Magnetostrictive thin strip material, preparation method and application

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