CN1323045A - 稀土磁铁及其制造方法 - Google Patents
稀土磁铁及其制造方法 Download PDFInfo
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- CN1323045A CN1323045A CN01116103A CN01116103A CN1323045A CN 1323045 A CN1323045 A CN 1323045A CN 01116103 A CN01116103 A CN 01116103A CN 01116103 A CN01116103 A CN 01116103A CN 1323045 A CN1323045 A CN 1323045A
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- rare
- powder
- alloy
- earth magnet
- earth
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- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 80
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- 239000000956 alloy Substances 0.000 claims abstract description 153
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 152
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- 239000002245 particle Substances 0.000 claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 claims abstract description 41
- 239000001257 hydrogen Substances 0.000 claims abstract description 31
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 31
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 30
- 239000001301 oxygen Substances 0.000 claims description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 27
- 239000011261 inert gas Substances 0.000 claims description 15
- 238000005245 sintering Methods 0.000 claims description 14
- 239000000314 lubricant Substances 0.000 claims description 13
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- 239000002904 solvent Substances 0.000 description 5
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- UQDUPQYQJKYHQI-UHFFFAOYSA-N methyl laurate Chemical compound CCCCCCCCCCCC(=O)OC UQDUPQYQJKYHQI-UHFFFAOYSA-N 0.000 description 2
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- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical class C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
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- 238000001125 extrusion Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
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- 238000010583 slow cooling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0573—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes obtained by reduction or by hydrogen decrepitation or embrittlement
-
- 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
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
-
- 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
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0579—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
试料 | 细粉数量比(%) | iHc(kA/m) | Br(T) | 烧结密度(g/cm3) | 含氧量(ppm) |
1 | 0.5 | 1,009 | 1.42 | 7.65 | 2,900 |
2 | 1.0 | 1,003 | 1.42 | 7.60 | 3,050 |
3 | 3.0 | 1,003 | 1.41 | 7.65 | 3,200 |
4 | 5.0 | 995 | 1.40 | 7.60 | 3,500 |
5 | 7.0 | 987 | 1.38 | 7.52 | 4,000 |
6 | 10.0 | 963 | 1.36 | 7.45 | 5,300 |
7 | 13.0 | 812 | 1.32 | 7.30 | 7,400 |
8 | 15.0 | 692 | 1.29 | 7.00 | 8,500 |
Claims (21)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000136277 | 2000-05-09 | ||
JP2000136277 | 2000-05-09 | ||
JP2000198508 | 2000-06-30 | ||
JP2000198508A JP3231034B1 (ja) | 2000-05-09 | 2000-06-30 | 希土類磁石およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1323045A true CN1323045A (zh) | 2001-11-21 |
CN1272809C CN1272809C (zh) | 2006-08-30 |
Family
ID=26591564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011161035A Expired - Lifetime CN1272809C (zh) | 2000-05-09 | 2001-05-09 | R-Fe-B系稀土磁铁用合金粉末及制法、稀土磁铁及制法 |
Country Status (6)
Country | Link |
---|---|
US (3) | US6491765B2 (zh) |
EP (2) | EP1154444B1 (zh) |
JP (1) | JP3231034B1 (zh) |
CN (1) | CN1272809C (zh) |
DE (1) | DE60100154T2 (zh) |
TW (1) | TW503406B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103680918A (zh) * | 2013-12-11 | 2014-03-26 | 烟台正海磁性材料股份有限公司 | 一种制备高矫顽力磁体的方法 |
CN104240888A (zh) * | 2014-09-12 | 2014-12-24 | 沈阳中北通磁科技股份有限公司 | 一种基于晶粒重组的烧结钕铁硼永磁铁及制造方法 |
CN104599803A (zh) * | 2014-12-31 | 2015-05-06 | 中铝广西有色金源稀土股份有限公司 | 一种由高氢含量粉末制备的钕铁硼永磁体及其制备工艺 |
CN104240888B (zh) * | 2014-09-12 | 2017-01-04 | 沈阳中北通磁科技股份有限公司 | 一种基于晶粒重组的烧结钕铁硼永磁铁及制造方法 |
CN110299238A (zh) * | 2018-03-23 | 2019-10-01 | 日立金属株式会社 | R-t-b系烧结磁体的制造方法 |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3172521B1 (ja) * | 2000-06-29 | 2001-06-04 | 住友特殊金属株式会社 | 希土類磁石の製造方法および粉体プレス装置 |
US6676773B2 (en) * | 2000-11-08 | 2004-01-13 | Sumitomo Special Metals Co., Ltd. | Rare earth magnet and method for producing the magnet |
DE10291720T5 (de) * | 2001-05-30 | 2004-08-05 | Sumitomo Special Metals Co., Ltd. | Verfahren zur Herstellung eines gesinterten Presslings für einen Seltenerdmetall-Magneten |
WO2003001541A1 (fr) * | 2001-06-22 | 2003-01-03 | Sumitomo Special Metals Co., Ltd. | Aimant des terres rares et procede de production dudit aimant |
JP4389427B2 (ja) * | 2002-02-05 | 2009-12-24 | 日立金属株式会社 | 希土類−鉄−硼素系磁石用合金粉末を用いた焼結磁石 |
US20050062572A1 (en) * | 2003-09-22 | 2005-03-24 | General Electric Company | Permanent magnet alloy for medical imaging system and method of making |
US7585378B2 (en) * | 2004-04-30 | 2009-09-08 | Hitachi Metals, Ltd. | Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
JP4918771B2 (ja) * | 2005-09-26 | 2012-04-18 | 住友電気工業株式会社 | 粒子分級装置およびその装置により分級された粒子を含有する接着剤 |
US20070089806A1 (en) | 2005-10-21 | 2007-04-26 | Rolf Blank | Powders for rare earth magnets, rare earth magnets and methods for manufacturing the same |
JP2008214661A (ja) * | 2007-02-28 | 2008-09-18 | Tdk Corp | 希土類焼結磁石の製造方法 |
WO2011013489A1 (ja) * | 2009-07-31 | 2011-02-03 | 日立金属株式会社 | 希土類系磁石用原料合金の水素粉砕粉の回収方法及び回収装置 |
JP5163839B2 (ja) | 2011-01-31 | 2013-03-13 | 日立金属株式会社 | R−t−b系焼結磁石の製造方法 |
US20150239048A1 (en) * | 2012-09-12 | 2015-08-27 | Xiamen Tungsten Co., Ltd. | Manufacturing method of rare earth magnet alloy powder, rare earth magnet and a powder making device |
CN103231059B (zh) | 2013-05-05 | 2015-08-12 | 沈阳中北真空磁电科技有限公司 | 一种钕铁硼稀土永磁器件的制造方法 |
CN103219117B (zh) | 2013-05-05 | 2016-04-06 | 沈阳中北真空磁电科技有限公司 | 一种双合金钕铁硼稀土永磁材料及制造方法 |
CN103215467B (zh) | 2013-05-05 | 2015-07-08 | 沈阳中北真空磁电科技有限公司 | 一种高性能钕铁硼稀土永磁材料的制造方法 |
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WO2014205002A2 (en) | 2013-06-17 | 2014-12-24 | Miha Zakotnik | Magnet recycling to create nd-fe-b magnets with improved or restored magnetic performance |
CN103377820B (zh) | 2013-07-17 | 2015-11-25 | 烟台首钢磁性材料股份有限公司 | 一种r-t-b-m系烧结磁体及其制造方法 |
US10020100B2 (en) | 2014-03-27 | 2018-07-10 | Hitachi Metals, Ltd. | R-T-B-based alloy powder and method for producing same, and R-T-B-based sintered magnet and method for producing same |
CN103878377B (zh) * | 2014-03-31 | 2016-01-27 | 厦门钨业股份有限公司 | 稀土磁铁用合金粉末、以及稀土磁铁的制造方法 |
CN103996520B (zh) | 2014-05-11 | 2016-10-05 | 沈阳中北通磁科技股份有限公司 | 一种钕铁硼稀土永磁体的烧结方法和设备 |
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FR3030866B1 (fr) | 2014-12-18 | 2021-03-12 | Commissariat Energie Atomique | Aimant permanent fritte |
FR3044161B1 (fr) | 2015-11-25 | 2019-05-03 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Aimant permanent fritte |
CN107275029B (zh) * | 2016-04-08 | 2018-11-20 | 沈阳中北通磁科技股份有限公司 | 一种用钕铁硼废料生产的高性能钕铁硼永磁铁及制造方法 |
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2001
- 2001-05-03 DE DE60100154T patent/DE60100154T2/de not_active Expired - Lifetime
- 2001-05-03 EP EP01110766A patent/EP1154444B1/en not_active Expired - Lifetime
- 2001-05-03 EP EP02026929A patent/EP1291884A3/en not_active Withdrawn
- 2001-05-08 TW TW090111000A patent/TW503406B/zh not_active IP Right Cessation
- 2001-05-09 US US09/851,423 patent/US6491765B2/en not_active Expired - Lifetime
- 2001-05-09 CN CNB011161035A patent/CN1272809C/zh not_active Expired - Lifetime
-
2002
- 2002-07-09 US US10/190,733 patent/US6537385B2/en not_active Expired - Lifetime
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103680918A (zh) * | 2013-12-11 | 2014-03-26 | 烟台正海磁性材料股份有限公司 | 一种制备高矫顽力磁体的方法 |
CN103680918B (zh) * | 2013-12-11 | 2016-08-17 | 烟台正海磁性材料股份有限公司 | 一种制备高矫顽力磁体的方法 |
CN104240888A (zh) * | 2014-09-12 | 2014-12-24 | 沈阳中北通磁科技股份有限公司 | 一种基于晶粒重组的烧结钕铁硼永磁铁及制造方法 |
CN104240888B (zh) * | 2014-09-12 | 2017-01-04 | 沈阳中北通磁科技股份有限公司 | 一种基于晶粒重组的烧结钕铁硼永磁铁及制造方法 |
CN104599803A (zh) * | 2014-12-31 | 2015-05-06 | 中铝广西有色金源稀土股份有限公司 | 一种由高氢含量粉末制备的钕铁硼永磁体及其制备工艺 |
CN110299238A (zh) * | 2018-03-23 | 2019-10-01 | 日立金属株式会社 | R-t-b系烧结磁体的制造方法 |
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EP1291884A2 (en) | 2003-03-12 |
TW503406B (en) | 2002-09-21 |
US6491765B2 (en) | 2002-12-10 |
CN1272809C (zh) | 2006-08-30 |
US20030084964A1 (en) | 2003-05-08 |
DE60100154D1 (de) | 2003-05-08 |
US6537385B2 (en) | 2003-03-25 |
DE60100154T2 (de) | 2003-11-06 |
EP1291884A3 (en) | 2003-04-02 |
US20030000600A1 (en) | 2003-01-02 |
JP2002033206A (ja) | 2002-01-31 |
JP3231034B1 (ja) | 2001-11-19 |
EP1154444B1 (en) | 2003-04-02 |
EP1154444A1 (en) | 2001-11-14 |
US20020020469A1 (en) | 2002-02-21 |
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