CN108242501A - magnetostrictive device and preparation method thereof - Google Patents
magnetostrictive device and preparation method thereof Download PDFInfo
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- CN108242501A CN108242501A CN201611226594.3A CN201611226594A CN108242501A CN 108242501 A CN108242501 A CN 108242501A CN 201611226594 A CN201611226594 A CN 201611226594A CN 108242501 A CN108242501 A CN 108242501A
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- belt carcass
- magnetostriction
- magnetostrictive device
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- 238000002360 preparation method Methods 0.000 title description 5
- 238000010791 quenching Methods 0.000 claims abstract description 14
- 230000000171 quenching effect Effects 0.000 claims abstract description 14
- 238000003475 lamination Methods 0.000 claims abstract description 12
- 230000006698 induction Effects 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 33
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 26
- 229910000807 Ga alloy Inorganic materials 0.000 description 6
- 229910001329 Terfenol-D Inorganic materials 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910002555 FeNi Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007578 melt-quenching technique Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N35/00—Magnetostrictive devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N35/00—Magnetostrictive devices
- H10N35/01—Manufacture or treatment
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N35/00—Magnetostrictive devices
- H10N35/80—Constructional details
- H10N35/85—Magnetostrictive active materials
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Soft Magnetic Materials (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
A kind of magnetostrictive device is disclosed, the device includes a magnetostriction belt carcass, which is characterized in that the magnetostriction belt carcass is in the form of a column structure, has helical loop with respect to section, the winding of belt carcass outer circle circumferential direction generates the induction coil in magnetic field；The magnetostriction belt carcass is by flat strip coil around into lamination coefficient N is 75%~85%.The eddy-current loss reduced under magnetostriction materials high frequency can be improved the actuating precision of magnetostriction materials, widens the application field of material by magnetostrictive device；Meanwhile also improve the utilization ratio of fast quenching magnetostriction materials.
Description
Technical field
The present invention relates to a kind of magnetostrictive devices and preparation method thereof, belong to magnetic material devices field.
Background technology
Fe-Ga alloys are a kind of novel magnetostriction materials, and compared to traditional Terfenol-D, the characteristics of it is maximum is
With relatively low saturation magnetic field and higher mechanical strength, saturation field it is low be only 8-17kA/m, about the 1/10 of Terfenol-D,
Magnetic field sensitivity is high.In some applications, the prestressed structure using complexity is not required to, device structure design is relatively easy.Fe-Ga
Alloy is metal solid solution, and intensity is high, and brittleness is small, while has higher tensile strength (500MPa) and ductility, especially suitable
For those with the strong mal-condition of strong motion, impact, big load, corrosion.In addition, the alloy also has very high magnetic conductivity,
Curie temperature is high, has good temperature characterisitic, can be used within the scope of very wide temperature, therefore, in sensor and actuator side
There is good application prospect in face.
The saturation magnetostriction constant of Fe-Ga alloys prepared by traditional directional solidification method only has 200-300ppm, this is remote
2000ppm less than Terfenol-D.In addition, since the conductivity of Fe-Ga alloys is higher, when the alloy block material is in high frequency
Under the conditions of use when will appear big eddy-current loss.These are restricted its application range, so improving the magnetic of Fe-Ga alloys
Telescopicing performance is caused, eddy-current loss when reducing its military service becomes one of key factor of its application.
In view of the above-mentioned problems, since FeGa alloys have preferable ductility, in practical applications, Fe-Ga can be closed
The nanocrystalline strip of very thin thickness is made of the method for fast quenching or rolling for gold.Material can be greatly lowered in high frequency in this way
Eddy-current loss, expand the use scope of material.
For example, Chinese patent application CN103320682 A propose to prepare Fe using melt-quenching method100-x-yGaxMyMaterial,
Fast quenching thin strap is not obtained using copper crucible method.Chinese patent application CN103556045 A propose a FeGa and TbDyFe
Pseudo-binary system material obtains the fast quenching with large magneto-strain, low driving field, strong mechanical performance using anisotropy compensation principle
FeGa materials.Chinese patent application CN105177227 A are proposed for fast quenching FeGa materials.
However, in practical applications, how using thin ribbon shaped FeGa materials, the magnetostriction for making full use of its big is special
Property, and Magnetostrictive Properties and accurate actuating stability under its high frequency are improved, it is still the larger skill that people face
Art problem.
Invention content
In order to solve the above technical problems, inventor proposes a kind of novel magnetostriction bulk devices and its preparation side
Method.The device has high-magnetostriction coefficient, low eddy-current loss.
To achieve the above object, on the one hand, the present invention intends taking following technical scheme：A kind of magnetostrictive device, it is described
Device includes a magnetostriction belt carcass, which is characterized in that the magnetostriction belt carcass is in the form of a column structure, has spiral with respect to section
Circuit, the winding of belt carcass outer circle circumferential direction generate the induction coil in magnetic field；The magnetostriction belt carcass by flat strip coil around and
Into lamination coefficient N is 75%~85%.
In actual use, induction coil is powered, generates magnetic field, the magnetostriction belt carcass of coil inside is made in magnetic field
With lower generation magnetostriction.
Traditional method is produced for laminated layer method, i.e., is stacked on magnetostriction thin slice prepared by quick quenching technique or rolling
Together, it is low using these method stock utilizations.Importantly, when applying magnetic field, it is difficult to ensure that field homogeneity is distributed in material
On material, therefore each lamination is caused to be stretched inconsistent, it is difficult to reach accurate actuation control by Magnetic field inhomogeneity.
In the present invention, since coil is annular, it is distributed in ring-shaped inner part field homogeneity, in the case, passes through winding method
Magnetostriction belt carcass is prepared, can reach that Distribution of Magnetic Field is uniform, and each helical loop is stretched uniformly, more accurate so as to realize
Control.
Therefore, magnetostriction belt carcass be using flat strip coil around into.In the present invention, prepared by preferred flat shape band
Mode is quick quenching technique, and this method is quickly cooled down to obtain, pass through by the way that the alloy molten steel of melting is spread on the roller of rotation
This method not only effectively can inhibit alloying component to be segregated, but also be conducive to the accurate control of magnetostriction band width and thickness
System, so as to reach winding after belt carcass high consistency.
By magnetostriction belt carcass prepared by the quick quenching technique by winding, column structure is formed, there is spiral with respect to section
Circuit.
According to aforementioned magnetostrictive device, wherein, the lamination coefficient N is the effective area coefficient of belt carcass, passes through survey
The internal diameter D1 of amount belt carcass, outer diameter D 2, helical loop the piece number n, thickness d are calculated by following equation：
Lamination coefficient is higher, and the effective area of belt carcass is bigger.Advantageously, the lamination coefficient of the helical loop for 75~
85%.Lamination coefficient is less than 75%, illustrates that helical loop is unevenly distributed in belt carcass, influences the effect of final accurate actuating, folds
Piece coefficient is too high, on the one hand brings larger trouble to manufacture, on the other hand also influences performance under high frequency.
According to aforementioned magnetostrictive device, wherein, the magnetostriction belt carcass main component is Fe100-x-yGaxMy, M is
It is one or more in Al, Ni, Co, Si, B, La, Y, Ce, wherein 5≤x≤25,0≤y≤10, are mass ratio.
Be mainly in view of using FeGa materials compared to traditional Terfenol-D, the characteristics of it is maximum be have it is relatively low full
With magnetic field and higher mechanical strength, saturation field it is low be only 8-17kA/m, about the 1/10 of Terfenol-D, magnetic field sensitivity
It is high.It is not required in some applications using complicated prestressed structure, device structure design is relatively easy, while Fe-Ga alloys are
Metal solid solution, intensity is high, and brittleness is small, while has higher tensile strength (500MPa) and ductility, especially suitable for that
A little mal-conditions strong with strong motion, impact, big load, corrosion.
According to aforementioned magnetostrictive device, wherein, the magnetostriction belt carcass main component is prepared into using quick quenching technique
It arrives.The FeGa materials being prepared using quick quenching technique are conducive to play the advantage of its mechanical property, and strap thickness is prepared only
Have the 1/10 of about rolled strip, so as to be more advantageous to playing performance under its high frequency.
In the FeGa ingredients of the present invention, 5≤x≤25,0≤y≤10 are mass ratio.It is advantageous in the composition range
In obtaining single A2 phase alloys, the appearance of the ordered phases such as DO3, DO19, L12 is avoided.It is single-phase to be conducive to obtain more high-magnetostriction
Performance.The addition of a certain amount of third element M can keep the basic structure property of Fe-Ga alloys, and can improve alloy
The addition of Magnetostriction, Curie temperature, machinability etc., wherein Al, Ni can improve the machinability of material, carry
The ductility of the high flat band of fast quenching improves strap flatness；The addition of Co can improve its temperature；Si's and B
It adds in, the stability of fast quenching can be improved, reduce strap surface roughness, be conducive to the formation of single A2 structures；La, Y, Ce's
Addition can improve its soft magnet performance, improve the magnetic temperature stability of material under high frequency.The content of M in the range of 0~10wt.%,
Wherein y=0 is expressed as single FeGa materials, and M contents can cause the reduction of Magnetostriction apparent higher than 10wt.%.
According to aforementioned magnetostrictive device, wherein, the flat thickness of strip is 50~150 μm, and width is more than
10mm。
Advantageously, in magnetostriction belt carcass, flat thickness of strip is 50~150 μm, and width is more than 10mm.Thickness is herein
In the range of be conducive to improve the high frequency performance of magnetostrictive device, but be planar as thickness of strip can cause to prepare less than 50 μm it is tired
Difficulty, the poor flatness of flat band, lamination coefficient is low, and thickness is more than 150 μm of performances that can be unfavorable under high frequency.Generally
Ground, in order to reach the using effect of device, strip width of the invention is more than 10mm, can be fitted according to specifically used size
Degree is cut.
According to aforementioned magnetostrictive device, wherein, filled with insulation between the helical loop of the magnetostriction belt carcass
Binding agent.
The presence of insulating adhesive further reduces the eddy-current loss under magnetostrictive device high frequency, reduces the hair of device
Heat improves device application stability and precision.
According to aforementioned magnetostrictive device, wherein, the insulating adhesive is selected from epoxy resin.
According to aforementioned magnetostrictive device, wherein, in order to further improve the actuating precision of magnetostrictive device, need
Distribution of Magnetic Field is uniform in device, advantageously, soft magnetic materials is further increased in belt carcass core, to reach the mesh to form magnetic loop
's.
According to aforementioned magnetostrictive device, wherein, the soft magnetic materials include FeNi powder cores, FeSiAl powder cores,
FeNiMo powder cores, ferrocart core, ferrite powder core.
On the other hand, the present invention also provides a kind of method for preparing the aforementioned magnetostrictive device of the present invention, including as follows
Step：
(1) prepared by flat band：The alloy molten solution of melting is ejected on the roller of rotation by sensing spray to cast method, soon
Flat band is but prepared in quickly cooling；
(2) it winds：It squeezes and winds the flat band, form tape wrapping body, that is, belt carcass, the belt carcass is spiral
Circuit；
(3) prepared by coil：Induction coil is externally wrapped in belt carcass, obtains magnetostrictive device.
According to aforementioned method, wherein, after step (2), including an impregnation process；The process immerses tape wrapping body
Into melting insulating adhesive, make filling adhesive between helical loop.
According to aforementioned method, wherein, after step (2), including a heat treatment procedure；The process is by the band after extruding
Coiling body is heat-treated in the range of 50~300 DEG C.
Compared with prior art, the present invention has following advantage：
On the one hand the eddy-current loss reduced under magnetostriction materials high frequency can be improved magnetic by the magnetostrictive device of the present invention
The actuating precision of telescopic material is caused, widens the application field of material；On the other hand, the profit of fast quenching magnetostriction materials is also improved
Use efficiency.
Description of the drawings
Fig. 1 is magnetostriction belt carcass schematic diagram of the present invention.
Specific embodiment
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after present disclosure has been read, those skilled in the art
The present invention can be made various changes or modifications, such equivalent forms equally fall within what the application the appended claims were limited
Range.
It will be helpful to understand the present invention, but cannot limit the scope of the invention by following embodiments.
Embodiment
Magnetostrictive device of the present invention, mainly obtains in the following ways：
(1) prepared by flat band
Be ejected on the roller of rotation by sensing spray to cast method by the alloy molten solution of melting be quickly cooled down be prepared it is flat
Shape band.
In the preparation process, band ingredient, thickness d (unit is μm), width W (unit mm) are as shown in table 1.
Wherein material composition is measured using ICP, and thickness is measured with width using micrometer caliper.
(2) it winds
It squeezes and winds the flat band, form tape wrapping body, the tape wrapping body is helical loop.
After winding, the lamination coefficient of magnetostriction belt carcass is can measure, in of the invention, by measuring the internal diameter D1 of belt carcass,
Outer diameter D 2, helical loop the piece number n, can calculate lamination coefficient N is：
(3) prepared by coil
Induction coil is externally wrapped in belt carcass, obtains magnetostrictive device.
Coil is copper enameled wire, and the number of turn, copper wire diameter are advisable with the 70~95% of belt carcass width.
In order to further improve application characteristic under the high frequency of magnetostriction materials, increase following impregnation and heat treatment procedure.
Impregnation：Tape wrapping body is immersed in melting insulating adhesive, makes filling adhesive between helical loop.
Heat treatment：Coiling body after extruding is heat-treated in the range of 50~300 DEG C.
The loss P (unit W/kg) and magnetostriction coefficient λ of resulting devices are also seen in table 1.
1 magnetostrictive device ingredient of table and performance
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., be all contained within protection scope of the present invention.
Claims (10)
1. a kind of magnetostrictive device, the device includes a magnetostriction belt carcass, which is characterized in that the magnetostriction belt carcass
Structure is in the form of a column, there is helical loop with respect to section, the winding of belt carcass outer circle circumferential direction generates the induction coil in magnetic field；The mangneto
Flexible belt carcass is by flat strip coil around into lamination coefficient N is 75%~85%；
The lamination coefficient N is the effective area coefficient of belt carcass, by measuring the internal diameter D1 of belt carcass, outer diameter D 2, helical loop piece
Number n, thickness d are calculated by following equation：
2. magnetostrictive device according to claim 1, which is characterized in that the magnetostriction belt carcass main component is
Fe100-x-yGaxMy, it is one or more in M Al, Ni, Co, Si, B, La, Y, Ce, wherein 5≤x≤25,0≤y≤10 are
Mass ratio.
3. magnetostrictive device according to claim 1, which is characterized in that the flat thickness of strip is 50~150 μ
M, width are more than 10mm.
4. magnetostrictive device according to claim 1, which is characterized in that the magnetostriction belt carcass main component uses
Quick quenching technique is prepared.
5. magnetostrictive device according to claim 1, which is characterized in that the helical loop of the magnetostriction belt carcass it
Between be filled with insulating adhesive.
6. magnetostrictive device according to claim 5, which is characterized in that the insulating adhesive includes epoxy resin.
7. magnetostrictive device according to claim 1, which is characterized in that the magnetostriction belt carcass core further increases
Add soft magnetic materials.
A kind of 8. method for preparing any one of the claim 1-7 magnetostrictive devices, which is characterized in that including walking as follows
Suddenly：
(1) prepared by flat band：The alloy molten solution of melting is ejected on the roller of rotation by sensing spray to cast method, fast quickly cooling
But flat band is prepared；
(2) it winds：It squeezes and winds the flat band, form tape wrapping body, that is, belt carcass, the belt carcass is helical loop；
(3) prepared by coil：Induction coil is externally wrapped in belt carcass, obtains magnetostrictive device.
9. according to the method described in claim 8, it is characterized in that, after step (2), including an impregnation process；The process
Tape wrapping body is immersed in melting insulating adhesive, makes filling adhesive between helical loop.
10. according to the method described in claim 8, it is characterized in that, after step (2), including a heat treatment procedure；The work
Tape wrapping body after extruding is heat-treated by sequence in the range of 50~300 DEG C.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226594.3A CN108242501B (en) | 2016-12-27 | 2016-12-27 | Magnetostrictive device and preparation method thereof |
| ZA2017/08492A ZA201708492B (en) | 2016-12-27 | 2017-12-14 | A magnetostrictive device and the preparation method thereof |
| JP2017245685A JP2018137427A (en) | 2016-12-27 | 2017-12-22 | Magnetostriction device and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226594.3A CN108242501B (en) | 2016-12-27 | 2016-12-27 | Magnetostrictive device and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108242501A true CN108242501A (en) | 2018-07-03 |
| CN108242501B CN108242501B (en) | 2022-02-22 |
Family
ID=62701735
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611226594.3A Active CN108242501B (en) | 2016-12-27 | 2016-12-27 | Magnetostrictive device and preparation method thereof |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2018137427A (en) |
| CN (1) | CN108242501B (en) |
| ZA (1) | ZA201708492B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242501B (en) * | 2016-12-27 | 2022-02-22 | 有研稀土新材料股份有限公司 | Magnetostrictive device and preparation method thereof |
| CN115415514A (en) * | 2022-08-26 | 2022-12-02 | 清华大学 | Magnetostrictive composite material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0360176A (en) * | 1989-07-28 | 1991-03-15 | Tdk Corp | Magnetostriction element |
| JPH1180908A (en) * | 1997-09-05 | 1999-03-26 | Hitachi Metals Ltd | Magnetic alloy excellent in surface property and magnetic core using it |
| CN103320682A (en) * | 2013-02-28 | 2013-09-25 | 瑞科稀土冶金及功能材料国家工程研究中心有限公司 | High-performance quick-quenching Fe-Ga based magnetostriction thin strip material and preparation technology thereof |
| CN110513658A (en) * | 2019-05-14 | 2019-11-29 | 一码一路（海南）人工智能有限公司 | Environmental protection and energy saving coloured silk leaf street lamp setting method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3059187B2 (en) * | 1989-05-27 | 2000-07-04 | ティーディーケイ株式会社 | Soft magnetic alloy, manufacturing method thereof and magnetic core |
| JPH0547539A (en) * | 1991-07-30 | 1993-02-26 | Hitachi Metals Ltd | Low-loss molded magnetic core having superior temperature characteristic |
| JP3532391B2 (en) * | 1997-08-28 | 2004-05-31 | アルプス電気株式会社 | Laminated core |
| JP2000100613A (en) * | 1998-09-18 | 2000-04-07 | Alps Electric Co Ltd | Inductance element |
| JP4053328B2 (en) * | 2002-03-27 | 2008-02-27 | 泰文 古屋 | Polycrystalline FeGa alloy ribbon with giant magnetostrictive properties |
| JP4007333B2 (en) * | 2004-03-19 | 2007-11-14 | ソニー株式会社 | Magnetostrictive actuator |
| JP4895108B2 (en) * | 2006-09-15 | 2012-03-14 | 日産自動車株式会社 | FeGaAl alloy and magnetostrictive torque sensor |
| CN108242501B (en) * | 2016-12-27 | 2022-02-22 | 有研稀土新材料股份有限公司 | Magnetostrictive device and preparation method thereof |
-
2016
- 2016-12-27 CN CN201611226594.3A patent/CN108242501B/en active Active
-
2017
- 2017-12-14 ZA ZA2017/08492A patent/ZA201708492B/en unknown
- 2017-12-22 JP JP2017245685A patent/JP2018137427A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0360176A (en) * | 1989-07-28 | 1991-03-15 | Tdk Corp | Magnetostriction element |
| JPH1180908A (en) * | 1997-09-05 | 1999-03-26 | Hitachi Metals Ltd | Magnetic alloy excellent in surface property and magnetic core using it |
| CN103320682A (en) * | 2013-02-28 | 2013-09-25 | 瑞科稀土冶金及功能材料国家工程研究中心有限公司 | High-performance quick-quenching Fe-Ga based magnetostriction thin strip material and preparation technology thereof |
| CN110513658A (en) * | 2019-05-14 | 2019-11-29 | 一码一路（海南）人工智能有限公司 | Environmental protection and energy saving coloured silk leaf street lamp setting method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242501B (en) * | 2016-12-27 | 2022-02-22 | 有研稀土新材料股份有限公司 | Magnetostrictive device and preparation method thereof |
| CN115415514A (en) * | 2022-08-26 | 2022-12-02 | 清华大学 | Magnetostrictive composite material and preparation method thereof |
| CN115415514B (en) * | 2022-08-26 | 2024-04-09 | 清华大学 | A magnetostrictive composite material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018137427A (en) | 2018-08-30 |
| ZA201708492B (en) | 2020-06-24 |
| CN108242501B (en) | 2022-02-22 |
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