CN101262039A - Fe-Ga base magnetism driven elastic silk and part using this material - Google Patents
Fe-Ga base magnetism driven elastic silk and part using this material Download PDFInfo
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- CN101262039A CN101262039A CN 200710079668 CN200710079668A CN101262039A CN 101262039 A CN101262039 A CN 101262039A CN 200710079668 CN200710079668 CN 200710079668 CN 200710079668 A CN200710079668 A CN 200710079668A CN 101262039 A CN101262039 A CN 101262039A
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Abstract
The invention relates to a Fe-Ga group magnetostriction wire and material composition thereof is Fe1-x-yGaxMy, wherein, M is tantalum of transition group except for Fe and one or a plurality of Be, B, Al, In, Si, Ge, Sn, Pb, Sb, Bi, N, S and Se; x is equal to 5-30at percent and y is equal to 0-15at percent and the allowance is Fe; diameter d is 0.1-5mm. A device adopts the Fe-Ga group magnetostriction wire is also disclosed.
Description
Technical field
The invention belongs to field of magnetic material, relate to a kind of Fe-Ga base magnetic striction wire, this material can be as the senser of devices such as transducer.
Technical background
When magnetostrictive material are placed the external magnetic field of certain orientation, the spontaneous magnetization direction of material magnetic domain will turn to outer magnetic field direction, if magnetic domain is different with the dimension of other direction along the dimension of spontaneous magnetization direction, strain will take place, and then generation stress, from macroscopic perspective, material changes along the yardstick of external magnetic field, i.e. joule (Joule) effect, also can cause the variation of material magnetic flux density when otherwise the material magnetic domain direction changes under the effect of stress, be referred to as Villari (Villari) effect or joule back wash effect or magnetostrictive reaction.When the alternating magnetic field of certain intensity that superposes along outer magnetic field direction, magnetic domain direction also can be done with changing frequently with external magnetic field, produce alternate stress at material internal, at this moment strain is propagated in material under the effect of alternate stress and is formed compressional wave, its back wash effect can be used for receiving compressional wave, except the longitudinal extension effect, on plane, apply the toroidal magnetic field and will form helical magnetic field perpendicular to external magnetic field, the magnetostrictive material vibration that can twist, produce torsional wave, be called Wiedemann (Wiedemann) effect, corresponding Wiedemann back wash effect also claims uncommon (Matteuci) effect of Manta also torsional wave can be converted to the variation of magnetic flux density.
Utilize Wiedemann (Wiedemann) effect, magnetostrictive material can be processed into the senser of a material (being magnetic striction wire, magnetostriction line or waveguide filament) as devices such as displacement transducer, magnetoelasticity type torque sensor, Young's modulus transducers, and they can convert input variable to can be for the signal of measuring.This class transducer plays an important role in fields such as quality inspection, optimal control, monitoring of working condition and failure diagnosises.Though the Terfenol alloy has very big magnetostriction value, its character is very crisp, is difficult to be processed into a material.At present the waveguide filament of using mainly is Fe-Ni base alloy silk, amorphous alloy wire, but their magnetostrictive reaction a little less than, the sensitivity and the precision of influence test.
It is found that recently there is higher magnetostriction coefficient (0.02%～0.03%) in the Fe-Ga alloy, and saturation magnetic field has only 15920～23880A/m; In addition,, ductility and machining property are preferably arranged, can be processed into the shape of various complexity because the Fe-Ga alloy is a metal solid solution; And this alloy also has good temperature characterisitic, can use in very wide temperature range.Utilizing Fe-Ga alloy designs device, or the sensitivity of product is increased substantially, or make the miniaturization of products, or conventional art can not obtainable function be achieved, is a kind of new material that has market potential.High-quality Fe-Ga magnetic striction wire owing to have above-mentioned excellent characteristic, is used for the senser of magneto strictive sensor, can improve the sensitivity and the precision of transducer greatly.
Chinese patent CN 1649183A, disclosing a kind of composition is Fe
1-xGa
xThe Fe-Ga magnetostriction bar of (wherein x=0.15-0.30) and employing zone-melting process prepare the method for this Fe-Ga magnetostriction bar.
Chinese patent CN 1392616A, disclosing a kind of composition is Fe
100-x-yGa
xM
yQ (x=10-40at% wherein, M is Al, Be, Cr, In, Cd, Mo, Ge, y=0-15at%, Q are C, N, O additional impurities) Fe-Ga magnetostriction bar and prepare the method for this monocrystalline or polycrystalline Fe-Ga magnetostriction bar with high-temperature gradient slewing freezing method or czochralski method or Bridgman.
Japan Patent JP2003286550, disclosed a kind of composition is Fe
1-xGa
xThe Fe-Ga ultra-magnetic telescopic bar of (wherein x=0.15-0.21), and adopt rapid solidification method to prepare the method for this polycrystalline Fe-Ga alloy.
United States Patent (USP) WO0155687 and US2003010405 have announced that prepared composition is monocrystalline＜100 of 70-90at%Fe and 5-30at%Ga〉the Fe-Ga alloy of axial orientation, adopt the method for DS and DG (directional growth) prepared polycrystalline Fe-Ga alloy and the rolling Fe-Ga of preparation alloy strip steel rolled stock.
United States Patent (USP) WO2006094251 has announced that a kind of composition is (Fe
100-x-y-zGaxAl
yBe
z)
a(NbC)
b(x≤32.5at% wherein, y≤17at%, z≤25at%, a 〉=97at% ,≤3at%, the Fe-Ga magnetostriction bar of x+y+z≤32.5at%), and adopt thermomechanometry to prepare the method for this Fe-Ga alloy strip steel rolled stock.
Disclosed these Fe-Ga patents all are the patents about Fe-Ga magnetostriction bar or band, all find no the patent about Fe-Ga magnetic striction wire aspect.
Summary of the invention:
Purpose of the present invention: provide a kind of magnetostriction performance and machining property superior Fe-Ga base magnetic striction wire, be used for the senser of magneto strictive sensor, improve the sensitivity and the precision of transducer.
Purpose of the present invention reaches by following measure:
(1) to have characterized composition be Fe in the present invention
1-x-yGa
xM
yThe Fe-Ga base magnetic striction wire, M is among transiting group metal elements except that Fe and Be, B, Al, In, Si, Ge, Sn, Pb, Sb, Bi, N, S, the Se one or more, x=5～30at%, y=0～15at%, surplus is an iron.
Facts have proved that when Ga content was in 5～30at%, magnetostriction was functional, magnetostriction coefficient is all greater than 0.005%.And adding Zr, transition elements such as Ti can improve the mechanical behavior under high temperature of Fe-Ga alloy silk; Transition element Co can improve the Curie temperature of Fe-Ga alloy silk, widens the serviceability temperature scope; And Ni can increase the resistance to corrosion of alloy silk.Doping element B can improve the crystal boundary of Fe-Ga alloy, prevents the fracture of silk in drawing process.Doping element S helps forming＜100 in the drawing process〉and＜110〉orientation.Because Al, In and Ga element belong to of the same clan, and the magnetostriction performance of Fe-Al alloy reached 0.014%, so mix an amount of Al or In, can suitably improve the magnetostriction performance, and mixes Al and can reduce cost.
(2) diameter of Fe-Ga base magnetic striction wire is 0.1mm～5mm among the present invention; The magnetostriction coefficient of this Fe-Ga base magnetic striction wire can be applicable to the senser of various kinds of sensors greater than 0.005%.
Fe-Ga base magnetic striction wire among the present invention, and described magnetic striction wire (or magnetostriction line, waveguide filament) has following comparatively significant advantage as the transducer of senser:
Fe-Ga base magnetic striction wire of the present invention has good magnetostrictive reaction, as the senser of devices such as transducer, can improve the sensitivity and the precision of test; In addition, Fe-Ga base magnetic striction wire of the present invention has good intensity and toughness, can use than under the rugged environment.
Description of drawings
Fig. 1 is a Fe-Ga alloy silk magnetostriction curve chart.
Fig. 2 is Fe-Ga alloy filament figure.
The detailed description of the preferred embodiment of the present invention:
In a preferred embodiment, composition is preferably as follows: Fe
1-x-yGa
xM
y, x=5～30at%, y=0.01～7at%; Perhaps x=15～22at%, y=0.Because the Fe-Ga alloy is a metal solid solution, and the favorable mechanical processing characteristics is arranged, adopt steel wire or the similar drawing technique of alloy silk, can produce Fe
1-x-yGa
xM
yMagnetic striction wire.Earlier the Fe-Ga alloy melting is become bar, adopt high temperature to swage to smash the tissue under the as cast condition, make grain refinement and be and wait a shape, so that the drawing of back, make bar produce certain compression ratio simultaneously,, adopt the method for drawing to make filament then to satisfy drawing process to billet size and performance demands.
Specific embodiment:
Below the invention will be further described with example.Protection range of the present invention is not subjected to the restriction of these embodiment, and protection range of the present invention is determined by claims.
Embodiment:
The described Fe-Ga base magnetic striction wire that makes, chemical composition sees Table 1～4 in atomic percentage; Dimensions and magnetostriction performance see Table 5～8.
Table 1
Table 2
Table 3
Table 4
Table 5
Table 6
Table 7
Table 8
Table 9
Table 10
Claims (7)
1. Fe-Ga base magnetic striction wire is characterized in that: the diameter of silk is 0.1～5mm.
2. Fe-Ga base magnetic striction wire according to claim 1 is characterized in that: the diameter of silk is 0.4～2mm.
3. Fe-Ga base magnetic striction wire, it is characterized in that: the composition of material is Fe
1-x-yGa
xM
y, M is among transiting group metal elements except that Fe and Be, B, Al, In, Si, Ge, Sn, Pb, Sb, Bi, N, S, the Se one or more, x=5～30at%, and y=0～15at%, surplus is an iron.
4. according to claim 1 or 2 or 3 described Fe-Ga base magnetic striction wires, it is characterized in that: described material composition x=5～30at%, y=0.01～7at%.
5. according to claim 1 or 2 or 3 described Fe-Ga base magnetic striction wires, it is characterized in that: described material composition x=15～22at%, y=0.
6. according to the described Fe-Ga base magnetic striction wire of claim 1-5, it is characterized in that: magnetostriction coefficient is greater than 0.005%.
7. comprise with the senser of the described Fe-Ga base magnetic striction wire of claim 1-5 as magneto strictive sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710079668XA CN101262039B (en) | 2007-03-05 | 2007-03-05 | Fe-Ga base magnetism driven elastic silk and part using this material |
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|---|---|---|---|
| CN200710079668XA CN101262039B (en) | 2007-03-05 | 2007-03-05 | Fe-Ga base magnetism driven elastic silk and part using this material |
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|---|---|
| CN101262039A true CN101262039A (en) | 2008-09-10 |
| CN101262039B CN101262039B (en) | 2011-04-06 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824578A (en) * | 2010-03-12 | 2010-09-08 | 瑞科稀土冶金及功能材料国家工程研究中心有限公司 | Iron-based magnetostrictive alloy wire and production method thereof |
| CN101812628B (en) * | 2009-02-24 | 2011-09-07 | 北京麦格东方材料技术有限公司 | Fe-Ga based magnetostrictive wire and preparation method thereof |
| CN102400034A (en) * | 2011-11-29 | 2012-04-04 | 东北大学 | FeGa magnetostriction alloy wire and preparation method thereof |
| CN102537162A (en) * | 2012-01-06 | 2012-07-04 | 北京科技大学 | Spring with stiffness coefficient controlled by magnitude field and preparation method thereof |
| CN104946979A (en) * | 2015-07-10 | 2015-09-30 | 北京航空航天大学 | Giant magnetostriction material doped with trace non-solid-solution large atoms to cause distortion enhancement and preparation method |
| CN108594311A (en) * | 2018-06-11 | 2018-09-28 | 中国石油天然气集团公司 | A kind of harmonic source detection device and method based on magnetostriction cable |
| CN110218934A (en) * | 2019-07-26 | 2019-09-10 | 南昌工程学院 | A kind of Fe-Ga-Ce-B alloy bar material and preparation method thereof and a kind of cooling copper mould |
| CN112504112A (en) * | 2020-12-01 | 2021-03-16 | 西南石油大学 | Safety pipe ring and method for monitoring pipeline strain in mountainous area |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352075C (en) * | 2002-05-17 | 2007-11-28 | 北京科技大学 | Fe-Ga series magnetostriction material and its producing process |
| CN100436044C (en) * | 2007-01-19 | 2008-11-26 | 北京航空航天大学 | A sort of Fe-Ga magnetostriction alloy wire and preparation method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812628B (en) * | 2009-02-24 | 2011-09-07 | 北京麦格东方材料技术有限公司 | Fe-Ga based magnetostrictive wire and preparation method thereof |
| CN101824578B (en) * | 2010-03-12 | 2012-07-04 | 瑞科稀土冶金及功能材料国家工程研究中心有限公司 | production method of iron-based magnetostrictive alloy wire |
| CN101824578A (en) * | 2010-03-12 | 2010-09-08 | 瑞科稀土冶金及功能材料国家工程研究中心有限公司 | Iron-based magnetostrictive alloy wire and production method thereof |
| CN102400034B (en) * | 2011-11-29 | 2013-05-08 | 东北大学 | FeGa magnetostriction alloy wire and preparation method thereof |
| CN102400034A (en) * | 2011-11-29 | 2012-04-04 | 东北大学 | FeGa magnetostriction alloy wire and preparation method thereof |
| CN102537162B (en) * | 2012-01-06 | 2014-07-02 | 北京科技大学 | Spring with stiffness coefficient controlled by magnitude field and preparation method thereof |
| CN102537162A (en) * | 2012-01-06 | 2012-07-04 | 北京科技大学 | Spring with stiffness coefficient controlled by magnitude field and preparation method thereof |
| CN104946979A (en) * | 2015-07-10 | 2015-09-30 | 北京航空航天大学 | Giant magnetostriction material doped with trace non-solid-solution large atoms to cause distortion enhancement and preparation method |
| CN108594311A (en) * | 2018-06-11 | 2018-09-28 | 中国石油天然气集团公司 | A kind of harmonic source detection device and method based on magnetostriction cable |
| CN110218934A (en) * | 2019-07-26 | 2019-09-10 | 南昌工程学院 | A kind of Fe-Ga-Ce-B alloy bar material and preparation method thereof and a kind of cooling copper mould |
| CN110218934B (en) * | 2019-07-26 | 2020-06-09 | 南昌工程学院 | Fe-Ga-Ce-B alloy bar and preparation method thereof and cooling copper die |
| CN112504112A (en) * | 2020-12-01 | 2021-03-16 | 西南石油大学 | Safety pipe ring and method for monitoring pipeline strain in mountainous area |
| CN112504112B (en) * | 2020-12-01 | 2022-04-05 | 西南石油大学 | Safety pipe ring and method for monitoring pipeline strain in mountainous area |
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