CN111378906A - Ultrahigh hypersensitive magnetostrictive material - Google Patents
Ultrahigh hypersensitive magnetostrictive material Download PDFInfo
- Publication number
- CN111378906A CN111378906A CN202010289731.8A CN202010289731A CN111378906A CN 111378906 A CN111378906 A CN 111378906A CN 202010289731 A CN202010289731 A CN 202010289731A CN 111378906 A CN111378906 A CN 111378906A
- Authority
- CN
- China
- Prior art keywords
- rare earth
- magnetostrictive
- magnetostrictive material
- ultrahigh
- terfenol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
- H01F1/0306—Metals or alloys, e.g. LAVES phase alloys of the MgCu2-type
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The invention belongs to the technical field of magnetic materials, and particularly relates to an ultrahigh hypersensitive magnetostrictive material. Aiming at the problem that pure light rare earth Laves phase magnetostrictive materials can not be synthesized at normal pressure, a light rare earth base anisotropic compensation system is introduced into a heavy rare earth base anisotropic compensation system, the price advantage of light rare earth raw materials is utilized, the technical cost of ultrahigh pressure synthesis can be avoided, more importantly, the magnetostrictive material has low-field lag-free giant magnetostrictive performance, and the low-field strain value of the magnetostrictive material is close to or exceeds that of commercial Terfenol-D (Tb)0.27Dy0.73Fe2) A polycrystalline material.
Description
Technical Field
The invention belongs to the technical field of magnetic materials, and particularly relates to an ultrahigh hypersensitive magnetostrictive material.
Background
The giant magnetostrictive material is RFe composed of rare earth and transition metal Fe2The-type (R = rare earth) Laves phase anisotropy compensation alloy has important application in the field of transducers and sensors, and is a strategic functional material which is in great interest. The purpose is to realize low hysteresis and large strain response under low external magnetic field. The existing development technology mainly focuses on:
in the expensive heavy rare earth Tb/Dy-Fe2Element doping modification is carried out in the system, and the composition of the material is as follows: Tb/Dy is replaced by other rare earths such as Ho, Ga, etc. or Fe is replaced by transition metals such as Mn, Co, Ni, etc. This technique can adjust the anisotropy compensation point and the magnetostrictive response of magnetostrictive materials. The main problems of the technology are high cost, time consumption, labor waste and unclear multi-domain structure in the new material.
The development of the light rare earth Pr/Nd-based giant magnetostrictive material comprises the following components: the light rare earth Pr/Nd with low price is used to replace the heavy rare earth Tb/Dy to form the light rare earth-based anisotropic compensated Laves phase magnetostrictive material. The technical advantage is that the raw material of the light rare earth Pr/Nd is cheap, and the main problems are that the light rare earth base Laves phase structure must be synthesized under ultra-high pressure, the phase can not be formed under normal pressure, and the performance of the light rare earth base Laves phase structure does not exceed the performance of the heavy rare earth base Terfenol-D (Tb) which is commercially available at present0.27Dy0.73Fe2) A material.
Disclosure of Invention
The invention aims at the problems and provides an ultrahigh hypersensitivity magnetostrictive material.
In order to achieve the purpose, the invention adopts the technical scheme that: the composition of the ultra-high hypersensitivity magnetostrictive material is represented by the following formula,
(Tb0.27Dy0.73)1-x(Pr0.9Tb0.1)x(FeyM1-y)2-z
wherein 1-x, x and 2-z are each (Tb)0.27Dy0.73)、(Pr0.9Tb0.1) And (Fe)yM1-y) Atomic number ratio of (c); y and 1-y are respectively the atomic number ratio of Fe and M; the value range of x is more than 0 and less than or equal to 0.2; the value range of z is more than or equal to 0 and less than or equal to 0.10.
Preferably, M is one of Co, Mn, Ni and Al elements.
Preferably, M is a Co element, and y is 0.9.
Preferably, the value range of x is more than or equal to 0.10 and less than or equal to 0.15.
Compared with the prior art, the invention has the advantages ofAnd the positive effects are that: aiming at the problem that pure light rare earth Laves phase magnetostrictive materials can not be synthesized at normal pressure, a light rare earth base anisotropic compensation system is introduced into a heavy rare earth base anisotropic compensation system, the price advantage of light rare earth raw materials is utilized, the technical cost of ultrahigh pressure synthesis can be avoided, more importantly, the magnetostrictive material has low-field lag-free giant magnetostrictive performance, and the low-field strain value of the magnetostrictive material is close to or exceeds that of commercial Terfenol-D (Tb)0.27Dy0.73Fe2) A polycrystalline material.
Drawings
To more clearly illustrate the technical solution of the embodiment of the present invention, the drawings used in the description of the embodiment will be briefly introduced below, and fig. 1 is a magnetostrictive material (Tb) provided in embodiments 1-40.27Dy0.73)1-x(Pr0.9Tb0.1)x(FeyM1-y)1.93Lattice parameter a, Curie temperature T ofCSpin reorientation temperature TsrSaturation magnetization temperature Ms, anisotropy constant K1And a magnetostriction coefficient λ (when the magnetic field strength is 1 and 3 kOe);
FIG. 2 shows the magnetization and anisotropy constant K of magnetostrictive material obtained when x is different in value1；
FIG. 3 shows magnetostrictive materials (Tb) provided in examples 5 to 80.27Dy0.73)1-x(Pr0.9Tb0.1)x(FeyM1-y)2Lattice parameter a, Curie temperature T ofCSpin reorientation temperature TsrSaturation magnetization temperature Ms, anisotropy constant K1And a magnetostriction coefficient lambda (when the magnetic field strength is 1 and 3 kOe).
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Examples 1 to 4
An ultra-high hypersensitivity magnetostrictive material, the composition of which is represented by the following formula 1,
(Tb0.27Dy0.73)1-x(Pr0.9Tb0.1)x(FeyM1-y)2-z1
1-x, x and 2-z in the formula 1 are respectively (Tb)0.27Dy0.73)、(Pr0.9Tb0.1) And (Fe)yM1-y) Atomic number ratio of (c); y and 1-y are respectively the atomic number ratio of Fe and M; the value range of x is more than 0 and less than or equal to 0.2; the value range of z is more than or equal to 0 and less than or equal to 0.10.
The M is Co element, and the y is 0.9.
The values of x are 0.05, 0.10, 0.15 and 0.20 respectively, and the value of z is 0.07.
In FIG. 1 are shown the values of x (Tb) obtained when x is 0.05, 0.10, 0.15 and 0.200.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9Co0.1)1.93Lattice parameter a, Curie temperature T of materialCSpin reorientation temperature TsrSaturation magnetization Ms and anisotropy constant K1And a magnetostriction coefficient lambda (when the magnetic field strength is 1 and 3 kOe).
FIG. 1 shows that when x is 0.1, the magnetostriction coefficient lambda of the obtained magnetostrictive material1kAnd λ3kAre all higher than the corresponding value of the commercial Terfenol-D material in the prior art; when x is 0.15, the magnetostriction coefficient lambda of the obtained magnetostriction material3kHigher than the corresponding value of the commercial Terfenol-D material in the prior art; when x takes values of 0.05 and 0.2, the magnetostriction coefficient of the obtained magnetostriction material is smaller than that of the commercialized Terfenol-D material.
FIG. 1 shows that (Tb) is obtained when x is 0.05, 0.10, 0.150.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9M0.1)1.93Curie temperature T of the materialCHigher than the corresponding value of the commercial Terfenol-D material.
(Tb) when x is 0.05, 0.10, 0.15 and 0.200.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9M0.1)1.93Spin reorientation temperature T of a materialsrAre all higher than the corresponding values of the commercial Terfenol-D material.
FIGS. 1 and 2 show that (Tb) is obtained when x is 0.05, 0.10, 0.15 and 0.200.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9Co0.1)1.93The saturation magnetization Ms of the material is less than the corresponding value of the commercial Terfenol-D material.
FIGS. 1 and 2 show that when x takes a value of 0.1, (Tb) is obtained0.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9Co0.1)1.93Magnetocrystalline anisotropy constant K of a material1The magnetic field strength is smaller than the corresponding value of a commercial Terfenol-D material, so that the magnetostriction performance under low magnetic field strength can be improved; when x takes the value of 0.15, (Tb) is obtained0.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9Co0.1)1.93Magnetocrystalline anisotropy constant K of a material1Slightly greater than the corresponding value of the commercial Terfenol-D material.
Examples 5 to 8
An ultra-high hypersensitivity magnetostrictive material, the composition of which is represented by the following formula 1,
(Tb0.27Dy0.73)1-x(Pr0.9Tb0.1)x(FeyM1-y)2-z1
1-x, x and 2-z in the formula 1 are respectively (Tb)0.27Dy0.73)、(Pr0.9Tb0.1) And (Fe)yM1-y) Atomic number ratio of (c); y and 1Y is the atomic number ratio of Fe and M respectively; the value range of x is more than 0 and less than or equal to 0.2; the value range of z is more than or equal to 0 and less than or equal to 0.10.
The M is Co element, and the y is 0.9.
The values of x are 0.05, 0.10, 0.15 and 0.20 respectively, and the value of z is 0.
In FIG. 3 are shown the values of x (Tb) obtained at 0.05, 0.10, 0.15 and 0.200.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9Co0.1)2Lattice parameter a, Curie temperature T of materialCSpin reorientation temperature TsrSaturation magnetization Ms and anisotropy constant K1And a magnetostriction coefficient lambda (when the magnetic field strength is 1 and 3 kOe).
FIG. 3 shows that when x is 0.1, the magnetostriction coefficient lambda of the obtained magnetostrictive material1kAnd λ3kAre all higher than the corresponding value of the commercial Terfenol-D material in the prior art; when x is 0.15, the magnetostriction coefficient lambda of the obtained magnetostriction material3kHigher than the corresponding value of the commercial Terfenol-D material in the prior art; when x takes values of 0.05 and 0.2, the magnetostriction coefficient of the obtained magnetostriction material is smaller than that of the commercialized Terfenol-D material.
FIG. 3 shows that (Tb) is obtained when x is 0.05, 0.10, 0.150.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9Co0.1)2Curie temperature T of the materialCHigher than the corresponding value of the commercial Terfenol-D material.
(Tb) when x is 0.05, 0.10, 0.15 and 0.200.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9M0.1)2Spin reorientation temperature T of a materialsrAre all higher than the corresponding values of the commercial Terfenol-D material.
FIG. 3 shows that (Tb) is obtained when x is 0.05, 0.10, 0.15 and 0.200.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9Co0.1)2The saturation magnetization Ms of the material is less than the corresponding value of the commercial Terfenol-D material.
FIG. 3 shows that when x is 0.1, (Tb) is obtained0.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9M0.1)2Magnetocrystalline anisotropy constant K of a material1The magnetic field strength is smaller than the corresponding value of a commercial Terfenol-D material, so that the magnetostriction performance under low magnetic field strength can be improved; when x takes the value of 0.15, (Tb) is obtained0.27Dy0.73)1-x(Pr0.9Tb0.1)x(Fe0.9Co0.1)2Magnetocrystalline anisotropy constant K of a material1Slightly greater than the corresponding value of the commercial Terfenol-D material.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or changed by the above disclosure to other fields, for example, the Co element is replaced by one of Mn, Ni and Al, but any simple modification and equivalent changes made to the above embodiments according to the technical essence of the present invention do not depart from the technical spirit of the present invention, and still fall within the protection scope of the present invention.
Claims (4)
1. An ultra-high hypersensitivity magnetostrictive material characterized in that the composition of the ultra-high hypersensitivity magnetostrictive material is represented by the following formula (1),
(Tb0.27Dy0.73)1-x(Pr0.9Tb0.1)x(FeyM1-y)2-z(1)
in the formula (1), 1-x, x and 2-z are respectively (Tb)0.27Dy0.73)、(Pr0.9Tb0.1) And (Fe)yM1-y) Atomic number ratio of (c); y and 1-y are respectively the atomic number ratio of Fe and M; the value range of x is more than 0 and less than or equal to 0.2; the value range of z is more than or equal to 0 and less than or equal to 0.10.
2. The ultrahigh-hypersensitivity magnetostrictive material according to claim 1, wherein M is one of Co, Mn, Ni or Al.
3. The ultrahigh-hypersensitivity magnetostrictive material according to claim 2, wherein M is Co element, and y is 0.9.
4. The ultrahigh-hypersensitivity magnetostrictive material according to claim 1, characterized in that x is in the range of 0.10 to 0.15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010289731.8A CN111378906A (en) | 2020-04-14 | 2020-04-14 | Ultrahigh hypersensitive magnetostrictive material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010289731.8A CN111378906A (en) | 2020-04-14 | 2020-04-14 | Ultrahigh hypersensitive magnetostrictive material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111378906A true CN111378906A (en) | 2020-07-07 |
Family
ID=71220193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010289731.8A Pending CN111378906A (en) | 2020-04-14 | 2020-04-14 | Ultrahigh hypersensitive magnetostrictive material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111378906A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435851A (en) * | 2002-09-19 | 2003-08-13 | 北京科技大学 | Huge magnetostriction material and mfg. process thereof |
| CN1676650A (en) * | 2005-04-21 | 2005-10-05 | 南京大学 | Pr series rare earth super magnetostric tive material and its preparing method |
| CN101388433A (en) * | 2007-09-14 | 2009-03-18 | 有研稀土新材料股份有限公司 | Cementing magnetostrictive material and preparation thereof |
| CN103647019A (en) * | 2013-11-27 | 2014-03-19 | 南京航空航天大学 | Giant magnetostrictive material brewed via light rare earth and preparation technology of giant magnetostrictive material |
| CN108550693A (en) * | 2018-03-26 | 2018-09-18 | 北京科技大学 | A kind of sintering terbium dysprosium ferrum magnetostriction materials and preparation method thereof |
-
2020
- 2020-04-14 CN CN202010289731.8A patent/CN111378906A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435851A (en) * | 2002-09-19 | 2003-08-13 | 北京科技大学 | Huge magnetostriction material and mfg. process thereof |
| CN1676650A (en) * | 2005-04-21 | 2005-10-05 | 南京大学 | Pr series rare earth super magnetostric tive material and its preparing method |
| CN101388433A (en) * | 2007-09-14 | 2009-03-18 | 有研稀土新材料股份有限公司 | Cementing magnetostrictive material and preparation thereof |
| CN103647019A (en) * | 2013-11-27 | 2014-03-19 | 南京航空航天大学 | Giant magnetostrictive material brewed via light rare earth and preparation technology of giant magnetostrictive material |
| CN108550693A (en) * | 2018-03-26 | 2018-09-18 | 北京科技大学 | A kind of sintering terbium dysprosium ferrum magnetostriction materials and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| XIAOPING ZHENG,等: "A magnetic,magnetostrictive and Mossbauer study of Tb0.3Dy0.7-xPrx(Fe0.9Al0.1)1.95 alloys", 《JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS》 * |
| Z.F.GU，等: "High magnetostriction at low fields of (Tb1-xDyx)0.2Pr0.8(Fe0.4Co0.6)1.88C0.05 intermetallic compounds", 《JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Skomski et al. | Magnetic anisotropy—How much is enough for a permanent magnet? | |
| Heczko et al. | Giant field-induced reversible strain in magnetic shape memory NiMnGa alloy | |
| Goll et al. | High-performance permanent magnets | |
| Straka et al. | Superelastic response of Ni-Mn-Ga martensite in magnetic fields and a simple model | |
| Funayama et al. | Mn substitution effect on magnetostriction temperature dependence in Tb0. 3Dy0. 7Fe2 | |
| Wu et al. | Magnetic properties and shape memory of Fe-doped Ni 52 Mn 24 Ga 24 single crystals | |
| Coey et al. | New bonded magnet materials | |
| Ma et al. | Sign-changed-magnetostriction effect of morphotropic phase boundary in pseudobinary DyC o 2− DyF e 2 Laves compounds | |
| JP3466481B2 (en) | Giant magnetostrictive material | |
| CN110911085B (en) | Low-coercivity rare earth-Fe-B composite film with Sgeminzem structure and preparation method thereof | |
| Simon et al. | Structural and magnetic properties of Ce1− xSmxFe11− yTi1Vy | |
| Guo et al. | Giant magnetostriction and spin reorientation in quaternary (S m 0.9 Pr 0.1)(Fe 1− x Co x) 2 | |
| Troyanchuk et al. | Magnetic ordering in perovskites containing manganese and cobalt | |
| Clark et al. | Modern magnetostrictive materials: classical and nonclassical alloys | |
| CN111378906A (en) | Ultrahigh hypersensitive magnetostrictive material | |
| Faehler | An introduction to actuation mechanisms of Magnetic Shape Memory Alloys | |
| Grössinger et al. | The physics of amorphous and nanocrystalline hard magnetic materials | |
| EP1115126A3 (en) | Magnetic powder and isotropic bonded magnet | |
| Sato et al. | The reorientation of the magnetic moment for Laves phase compound Tb0. 27Dy0. 73Fe2 | |
| JPH10242543A (en) | Resin bonding type magnetostrictive material | |
| Kraus et al. | Exchange bias in surface-crystalline Fe-Nb-B ribbons | |
| Senis et al. | Positive magnetoresistance in low-doped La 1− x Sr x MnO 3 (x⩽ 0.14) perovskites | |
| Chen et al. | Structure and magnetic properties of melt-spun Tb0. 2Nd0. 8 (Fe0. 8Co0. 2) 1.9 compound | |
| EP0868754B1 (en) | Magnetic materials | |
| Greneche et al. | Magnetic hyperfine properties in FeZrB‐type nanocrystalline metallic alloys |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200707 |