CN1466231A - Rareearth super magnetostrictive material with wide temp. range - Google Patents
Rareearth super magnetostrictive material with wide temp. range Download PDFInfo
- Publication number
- CN1466231A CN1466231A CNA021214476A CN02121447A CN1466231A CN 1466231 A CN1466231 A CN 1466231A CN A021214476 A CNA021214476 A CN A021214476A CN 02121447 A CN02121447 A CN 02121447A CN 1466231 A CN1466231 A CN 1466231A
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- CN
- China
- Prior art keywords
- temperature
- rare earth
- alloy
- magnetostrictive material
- temperature range
- 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.)
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- 239000000463 material Substances 0.000 title claims abstract description 26
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 17
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 13
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000007711 solidification Methods 0.000 claims abstract description 7
- 230000008023 solidification Effects 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910052692 Dysprosium Inorganic materials 0.000 claims abstract description 5
- 229910052771 Terbium Inorganic materials 0.000 claims abstract description 5
- 239000013078 crystal Substances 0.000 claims abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 238000005275 alloying Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000001939 inductive effect Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000011572 manganese Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- MOSURRVHVKOQHA-UHFFFAOYSA-N [Tb].[Dy] Chemical group [Tb].[Dy] MOSURRVHVKOQHA-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
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- Continuous Casting (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
A wide temperature sphere rare earth super magnetostrictive material is made by adjusting the proportion of Tb and Dy elements in alloy adding Co, Al, Mn to change alloy spin and orientation temperature, then reducing its temperature coefficient. Composition and propoertion: Tb0.3-0.5Dy0.5-0.7(fe, Co, Al, Mn) 1.90-1.95, technical process: (1) applying 99.9% high pure rare earth elements Tb and Dy and elements over 99.9%, Fe, Co, Al, Mn to be prepared to the target composition of Tb0.3-0.5Dy0.5-0.7(Fe, Co, Al, Mn) 1.90-1.95(2) vacuum degree of the back base reaches to 10 to the power-2 - 10 to the power -3 Pa metal in vacuum inductive oven to be filled by Ar to 0.3-0.7x10 to the poower 5 Ps to get a mother rod material (3) orientation crystal is prepared after zone, melt directional solidification, controlling zone length.
Description
(1) technical field:
The invention provides a kind of wide temperature range rare earth ultra-magnetostriction material, belong to new material technology.
(2) background technology:
Rare earth ultra-magnetostriction material is a kind of new function material, can realize the power conversion between magnetic () energy-machinery (sound) energy fast.The composition of terbium dysprosium ferrum (TbDyFe) giant magnetostrictive material is Tb now
0.3Dy
0.7Fe
1.9-1.95, its magnetocrystalline anisotropy is low, can realize low big magnetostriction effect after the match.But there is an electron spin reorientation in this alloy near-20 ℃, its direction of easy axis during by high temperature＜during 111〉directional steering low temperature＜100〉direction.The magnetostriction coefficient λ on this alloy edge＜111〉direction
111=1600ppm (ppm=10), the magnetostriction coefficient λ along＜100〉direction
100=100ppm.Therefore, spin reorientation when taking place in this alloy, and the magnetostriction performance reduces suddenly, can't use.In addition, the temperature coefficient of existing giant magnetostrictive material more than room temperature is big, raises with temperature, and the magnetostriction performance also descends fast, and serviceability temperature is not higher than 80 ℃ now.
The object of the invention provides a kind of wide temperature range rare earth ultra-magnetostriction material, prepares that serviceability temperature is minimum to reach-80 ℃, and high temperature section reaches the process of 120 ℃ wide temperature range novel rareearth super magnetostrictive material.
(3) summary of the invention:
A kind of wide temperature range rare earth ultra-magnetostriction material of the present invention, it is ratio by terbium (Tb) and dysprosium (Dy) element in the adjustment alloy, and add alloying element cobalt (Co), aluminium (Al), manganese (Mn) etc., with change alloy spin reorientation temperature, and the temperature coefficient of reduction giant magnetostrictive material.
Alloying component of the present invention and atom proportioning thereof, its control range is:
Tb
0.3-0.5Dy
0.5-0.7(Fe，Co，Al，Mn)
1.90-1.95
The process route of its manufacture method is:
(1) the high-purity rare-earth element T b and the Dy of employing 99.9%, and the Fe of 99% above purity, Co, Al, Mn element, being mixed with target component is Tb
0.3-0.5Dy
0.5-0.7(Fe, Co, Al, Mn)
1.90-1.95Foundry alloy;
(2) through vacuum induction melting, back of the body end vacuum degree reaches 10
-1-10
-3Pa, applying argon gas to 0.3 one 0.7 * 10 then
5Pa, vacuum casting rod obtains the foundry alloy bar.
(3) again through the molten directional solidification of molten directional solidification in district or floating zone, be prepared into oriented crystal, the control zone length is at the 6-20 millimeter, the setting temperature gradient 200-1000K/cm (℃/cm), rate of crystalline growth is 1-20mm/min.
(4) can obtain the wide temperature range giant magnetostrictive material after the heat treatment, heat treatment temperature is 800-1100 ℃, is incubated air cooling after 2-6 hour.
A kind of wide temperature range rare earth ultra-magnetostriction material of the present invention, its advantage is: the serviceability temperature scope of this material can reach-80 ℃-120 ℃, the magnetostriction temperature coefficient is less than 0.1%ppm/ ℃, the magnetostriction performance reaches 1600ppm in the time of-80 ℃, and the magnetostriction performance is not less than 1500ppm in the time of 120 ℃.
(4) embodiment:
A kind of wide temperature range rare earth ultra-magnetostriction material of the present invention is the ratio by Tb and Dy element in the adjustment alloy, and adds alloying element Co, Al, Mn etc., with change alloy spin reorientation temperature, and the temperature coefficient of reduction giant magnetostrictive material.
Alloying component of the present invention and atom proportioning thereof are:
Tb
0.4Dy
0.6(Fe，Co，Al，Mn)
1.90
A kind of wide temperature range rare earth ultra-magnetostriction material of the present invention, the process route of its manufacture method is: process route is:
(1) the high-purity rare-earth element T b and the Dy of employing 99.9%, and the Fe of 99% above purity, Co, Al, Mn element, being mixed with target component is Tb
0.4Dy
0.6(Fe, Co, Al, Mn)
1.90Foundry alloy;
(2) through vacuum induction melting, back of the body end vacuum degree reaches 10
-2Pa, applying argon gas to 0.5 * 10 then
5Pa, vacuum casting rod obtains the foundry alloy bar.
(3) again through the molten directional solidification of molten directional solidification in district or floating zone, be prepared into oriented crystal, the control zone length is at 10 millimeters, and the setting temperature gradient is at 500K/cm, and rate of crystalline growth is 8mm/min.
(4) can obtain the wide temperature range giant magnetostrictive material after the heat treatment, heat treatment temperature is 900 ℃, is incubated air cooling after 4 hours.
Claims (2)
1, a kind of wide temperature range rare earth ultra-magnetostriction material, it is characterized in that: it is the ratio by Tb and Dy element in the adjustment alloy, and add alloying element Co, Al, Mn etc., with change alloy spin reorientation temperature, and the temperature coefficient of reduction giant magnetostrictive material; The alloying component of this telescopic material and atom proportioning thereof are: Tb
0.3-05Dy
0.5-0.7(Fe, Co, Al, Mn)
1.90-1.95
2, a kind of manufacture method of wide temperature range rare earth ultra-magnetostriction material is characterized in that: the process route of this manufacture method is:
(1) the high-purity rare-earth element T b and the Dy of employing 99.9%, and the Fe of 99% above purity, Co, Al, Mn element, being mixed with target component is Tb
0.3-0.5Dy
0.5-0.7(Fe, Co, Al, Mn)
1.90-1.95Foundry alloy;
(2) through vacuum induction melting, back of the body end vacuum degree reaches 10
-1-10
-3Pa, applying argon gas is to 0.3-0.7 * 10 then
5Pa, vacuum casting rod obtains the foundry alloy bar;
(3) again through the molten directional solidification of molten directional solidification in district or floating zone, be prepared into oriented crystal, the control zone length is at the 6-20 millimeter, and the setting temperature gradient is at 200-1000K/cm, and rate of crystalline growth is 1-20mm/min;
(4) can obtain the wide temperature range giant magnetostrictive material after the heat treatment, heat treatment temperature is 800-1100 ℃, is incubated air cooling after 2-6 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021214476A CN1466231A (en) | 2002-06-21 | 2002-06-21 | Rareearth super magnetostrictive material with wide temp. range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021214476A CN1466231A (en) | 2002-06-21 | 2002-06-21 | Rareearth super magnetostrictive material with wide temp. range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1466231A true CN1466231A (en) | 2004-01-07 |
Family
ID=34142188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021214476A Pending CN1466231A (en) | 2002-06-21 | 2002-06-21 | Rareearth super magnetostrictive material with wide temp. range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1466231A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100363721C (en) * | 2005-11-09 | 2008-01-23 | 郝延明 | Antitheft indicator for water meter and gasometer |
| CN100372958C (en) * | 2005-11-16 | 2008-03-05 | 北京科技大学 | Super magnetostrictive material with super wide work temperature range |
| CN1743479B (en) * | 2005-10-17 | 2010-10-06 | 有研稀土新材料股份有限公司 | Method for preparing rare-earth super magnetostrictive material using main-auxiliary alloy powder metallurgy |
| CN1995441B (en) * | 2005-12-31 | 2010-10-06 | 有研稀土新材料股份有限公司 | Surface modification method of rare earth supermagnetostrictive material |
| CN101308718B (en) * | 2007-05-18 | 2011-07-20 | 北京有色金属研究总院 | Rare earth - iron super magnetostriction material |
| CN105834407A (en) * | 2015-01-15 | 2016-08-10 | 中国科学院宁波材料技术与工程研究所 | Preparation method for rare earth ferrous alloy compound with NaZn13 type structure |
| CN113073249A (en) * | 2021-02-26 | 2021-07-06 | 湖南大学 | Preparation method of <111> + <110> preferred orientation giant magnetostrictive material TbxDy1-xFey |
-
2002
- 2002-06-21 CN CNA021214476A patent/CN1466231A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743479B (en) * | 2005-10-17 | 2010-10-06 | 有研稀土新材料股份有限公司 | Method for preparing rare-earth super magnetostrictive material using main-auxiliary alloy powder metallurgy |
| CN100363721C (en) * | 2005-11-09 | 2008-01-23 | 郝延明 | Antitheft indicator for water meter and gasometer |
| CN100372958C (en) * | 2005-11-16 | 2008-03-05 | 北京科技大学 | Super magnetostrictive material with super wide work temperature range |
| CN1995441B (en) * | 2005-12-31 | 2010-10-06 | 有研稀土新材料股份有限公司 | Surface modification method of rare earth supermagnetostrictive material |
| CN101308718B (en) * | 2007-05-18 | 2011-07-20 | 北京有色金属研究总院 | Rare earth - iron super magnetostriction material |
| CN105834407A (en) * | 2015-01-15 | 2016-08-10 | 中国科学院宁波材料技术与工程研究所 | Preparation method for rare earth ferrous alloy compound with NaZn13 type structure |
| CN105834407B (en) * | 2015-01-15 | 2018-07-27 | 中国科学院宁波材料技术与工程研究所 | With NaZn13The preparation method of the rare-earth iron-based alloy cpd of type structure |
| CN113073249A (en) * | 2021-02-26 | 2021-07-06 | 湖南大学 | Preparation method of <111> + <110> preferred orientation giant magnetostrictive material TbxDy1-xFey |
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