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 PDFInfo
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- CN101465406A CN101465406A CN200910076722.4A CN200910076722A CN101465406A CN 101465406 A CN101465406 A CN 101465406A CN 200910076722 A CN200910076722 A CN 200910076722A CN 101465406 A CN101465406 A CN 101465406A
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- 239000000463 material Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000956 alloy Substances 0.000 claims abstract description 54
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005242 forging Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 229910052796 boron Inorganic materials 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 3
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 3
- 229910052718 tin Inorganic materials 0.000 claims abstract description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 40
- 238000005096 rolling process Methods 0.000 claims description 23
- 229910052786 argon Inorganic materials 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 16
- 238000005098 hot rolling Methods 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 14
- 238000005097 cold rolling Methods 0.000 claims description 12
- 238000007670 refining Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 9
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 8
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims 1
- 238000010891 electric arc Methods 0.000 claims 1
- 230000006698 induction Effects 0.000 claims 1
- 239000004615 ingredient Substances 0.000 claims 1
- 238000005339 levitation Methods 0.000 claims 1
- 238000004321 preservation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 3
- 238000009413 insulation Methods 0.000 description 10
- 229910052733 gallium Inorganic materials 0.000 description 6
- 238000005275 alloying Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000807 Ga alloy Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
本发明涉及一种高性能多晶织构Fe－Ga基磁致伸缩薄片材料及其制备方法，材料成分为Fe100－x－y－zGaxMyNz，M为B、Nb、Cr、VC、TiC、MnS、AlN中的一种或多种，N为S、Sb、Sn中的一种或多种，其中x＝15～25，y＝0.5～3.0，z＝0.01～0.05，余量为铁。其工艺要点为：按所发明材料成分的要求，熔炼母合金，浇注合金锭；热锻开坯；轧制成适当厚度以及多种后续热处理。本发明的Fe－Ga基磁致伸缩薄片材料具有明显的{100}<001>立方织构或{110}<001>高斯织构，最大磁致伸缩系数(3/2)λs可达280×10－6。
The invention relates to a high-performance polycrystalline Fe-Ga-based magnetostrictive sheet material and a preparation method thereof. The material composition is Fe 100-x-y-z Ga x M y N z , and M is B, Nb, Cr , one or more of VC, TiC, MnS, AlN, N is one or more of S, Sb, Sn, wherein x=15~25, y=0.5~3.0, z=0.01~0.05, The balance is iron. The key points of the process are: according to the requirements of the invented material composition, the master alloy is smelted, and the alloy ingot is poured; the billet is opened by hot forging; The Fe-Ga-based magnetostrictive sheet material of the present invention has obvious {100}<001> cubic texture or {110}<001> Gauss texture, and the maximum magnetostriction coefficient (3/2)λ s can reach 280 × 10-6 .
Description
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;
Fig. 6 is Fe after the heat treatment
80.95Ga
17(MnS)
2Sn
0.05The magnetostriction thin slice
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, 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, 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)
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Cited By (4)
| 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 |
-
2009
- 2009-01-16 CN CN200910076722.4A patent/CN101465406B/en not_active Expired - Fee Related
Cited By (6)
| 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 | A kind of preparation method of high-performance magnetostrictive sheet 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 | A kind of magnetostrictive thin strip material, preparation method and application |
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| CN101465406B (en) | 2010-11-10 |
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