CN1182548C - 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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- CN1182548C CN1182548C CNB011200677A CN01120067A CN1182548C CN 1182548 C CN1182548 C CN 1182548C CN B011200677 A CNB011200677 A CN B011200677A CN 01120067 A CN01120067 A CN 01120067A CN 1182548 C CN1182548 C CN 1182548C
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- 238000000034 method Methods 0.000 title claims description 20
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 60
- 239000000956 alloy Substances 0.000 claims abstract description 60
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000010791 quenching Methods 0.000 claims abstract description 22
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 20
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 14
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 12
- 238000005266 casting Methods 0.000 claims description 26
- 238000007711 solidification Methods 0.000 claims description 19
- 230000008023 solidification Effects 0.000 claims description 19
- 239000001257 hydrogen Substances 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 229910052775 Thulium Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 abstract description 2
- 239000000155 melt Substances 0.000 abstract 1
- 239000010955 niobium Substances 0.000 description 47
- 125000004429 atom Chemical group 0.000 description 37
- 230000005291 magnetic effect Effects 0.000 description 16
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000006356 dehydrogenation reaction Methods 0.000 description 3
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
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- 239000002184 metal Substances 0.000 description 2
- NUKZAGXMHTUAFE-UHFFFAOYSA-N methyl hexanoate Chemical compound CCCCCC(=O)OC NUKZAGXMHTUAFE-UHFFFAOYSA-N 0.000 description 2
- UQDUPQYQJKYHQI-UHFFFAOYSA-N methyl laurate Chemical compound CCCCCCCCCCCC(=O)OC UQDUPQYQJKYHQI-UHFFFAOYSA-N 0.000 description 2
- JGHZJRVDZXSNKQ-UHFFFAOYSA-N methyl octanoate Chemical compound CCCCCCCC(=O)OC JGHZJRVDZXSNKQ-UHFFFAOYSA-N 0.000 description 2
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- 229910020674 Co—B Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 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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- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
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- 238000006317 isomerization reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
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- 229910000601 superalloy Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H01F1/0575—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
-
- 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
- H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
试样No. | Nd | Dy | Pr | B | Nb | Fe | Br(T) | Hcj(kA/m) |
1 | 6.88 | 4.27 | 2.82 | 6.12 | 0.00 | 79.92 | 1.128 | 2331.7 |
2 | 6.88 | 4.28 | 2.82 | 6.18 | 0.18 | 79.67 | 1.118 | 2555.3 |
3 | 6.88 | 4.28 | 2.82 | 6.31 | 0.36 | 79.36 | 1.108 | 2807.6 |
4 | 6.88 | 4.28 | 2.82 | 6.43 | 0.53 | 79.06 | 1.087 | 2954.8 |
5 | 6.89 | 4.28 | 2.82 | 6.55 | 0.71 | 78.75 | 1.053 | 3090.1 |
6 | 6.89 | 4.28 | 2.82 | 6.80 | 1.07 | 78.14 | 0.925 | 3157.7 |
7 | 6.89 | 4.28 | 2.82 | 7.05 | 1.43 | 77.53 | 0.818 | 3227.0 |
8 | 6.94 | 4.31 | 2.84 | 7.46 | 2.87 | 75.58 | 0.556 | 3394.1 |
9 | 6.88 | 4.27 | 2.82 | 6.12 | 0.00 | 79.92 | 1.175 | 2218.7 |
10 | 6.88 | 4.28 | 2.82 | 6.18 | 0.18 | 79.67 | 1.157 | 2234.6 |
11 | 6.88 | 4.28 | 2.82 | 6.31 | 0.36 | 79.36 | 1.135 | 2256.1 |
12 | 6.88 | 4.28 | 2.82 | 6.43 | 0.53 | 79.06 | 1.115 | 2264.1 |
13 | 6.89 | 4.28 | 2.82 | 6.55 | 0.71 | 78.75 | 1.098 | 2320.6 |
14 | 6.89 | 4.28 | 2.82 | 6.80 | 1.07 | 78.14 | 1.077 | 2297.5 |
15 | 6.89 | 4.28 | 2.82 | 7.05 | 1.43 | 77.53 | 1.002 | 2334.1 |
16 | 6.94 | 4.31 | 2.84 | 7.46 | 2.87 | 75.58 | 0.858 | 2343.6 |
试样No. | Nd | Dy | Pr | B | Nb | Fe |
1 | 15.00 | 10.50 | 6.00 | 1.00 | 0.00 | 67.50 |
2 | 15.00 | 10.50 | 6.00 | 1.01 | 0.25 | 67.24 |
3 | 15.00 | 10.50 | 6.00 | 1.03 | 0.50 | 66.97 |
4 | 15.00 | 10.50 | 6.00 | 1.05 | 0.75 | 66.70 |
5 | 15.00 | 10.50 | 6.00 | 1.07 | 1.00 | 66.43 |
6 | 15.00 | 10.50 | 6.00 | 1.11 | 1.50 | 65.89 |
7 | 15.00 | 10.50 | 6.00 | 1.15 | 2.00 | 65.35 |
8 | 15.00 | 10.50 | 6.00 | 1.21 | 4.00 | 63.29 |
9 | 15.00 | 10.50 | 6.00 | 1.00 | 0.00 | 67.50 |
10 | 15.00 | 10.50 | 6.00 | 1.01 | 0.25 | 67.24 |
11 | 15.00 | 10.50 | 6.00 | 1.03 | 0.50 | 66.97 |
12 | 15.00 | 10.50 | 6.00 | 1.05 | 0.75 | 66.70 |
13 | 15.00 | 10.50 | 6.00 | 1.07 | 1.00 | 66.43 |
14 | 15.00 | 10.50 | 6.00 | 1.11 | 1.50 | 65.89 |
15 | 15.00 | 10.50 | 6.00 | 1.15 | 2.00 | 65.35 |
16 | 15.00 | 10.50 | 6.00 | 1.21 | 4.00 | 63.29 |
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000207675 | 2000-07-10 | ||
JP2000207675 | 2000-07-10 | ||
JP2000-207675 | 2000-07-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1335628A CN1335628A (zh) | 2002-02-13 |
CN1182548C true CN1182548C (zh) | 2004-12-29 |
Family
ID=18704402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011200677A Expired - Lifetime CN1182548C (zh) | 2000-07-10 | 2001-07-10 | 稀土磁铁及其制造方法 |
Country Status (2)
Country | Link |
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US (1) | US6527874B2 (zh) |
CN (1) | CN1182548C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9427804B2 (en) | 2013-05-05 | 2016-08-30 | China North Magnetic & Electronic Technology Co., LTD | Method for producing a high-performance neodymium—iron—boron rare earth permanent magnetic material |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7014718B2 (en) * | 2001-09-03 | 2006-03-21 | Showa Denko K.K. | Rare earth magnet alloy ingot, manufacturing method for the same, R-T-B type magnet alloy ingot, R-T-B type magnet, R-T-B type bonded magnet, R-T-B type exchange spring magnet alloy ingot, R-T-B type exchange spring magnet, and R-T-B type exchange spring bonded magnet |
CN100550219C (zh) * | 2003-03-12 | 2009-10-14 | 日立金属株式会社 | R-t-b系烧结磁铁及其制造方法 |
TW200536788A (en) * | 2004-05-07 | 2005-11-16 | Spin Technology Corp | Magnetic material containing praseodymium |
JP4902677B2 (ja) * | 2009-02-02 | 2012-03-21 | 株式会社日立製作所 | 希土類磁石 |
WO2010089138A1 (en) * | 2009-02-09 | 2010-08-12 | Caprotec Bioanalytics Gmbh | Devices, systems and methods for separating magnetic particles |
JP5743458B2 (ja) * | 2010-09-03 | 2015-07-01 | 昭和電工株式会社 | R−t−b系希土類永久磁石用合金材料、r−t−b系希土類永久磁石の製造方法およびモーター |
US9607760B2 (en) | 2012-12-07 | 2017-03-28 | Samsung Electronics Co., Ltd. | Apparatus for rapidly solidifying liquid in magnetic field and anisotropic rare earth permanent magnet |
CN103093921B (zh) * | 2013-01-29 | 2016-08-24 | 烟台首钢磁性材料股份有限公司 | 一种r-t-b-m-c系烧结磁铁及其制造方法及专用装置 |
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 |
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 |
CN103212710B (zh) | 2013-05-05 | 2015-01-21 | 沈阳中北真空磁电科技有限公司 | 一种钕铁硼稀土永磁材料的制造方法 |
CN103192084B (zh) | 2013-05-05 | 2015-11-25 | 沈阳中北真空磁电科技有限公司 | 一种旋转式真空热处理设备 |
CN105723480B (zh) | 2013-06-17 | 2018-07-17 | 城市矿业科技有限责任公司 | 磁铁再生以产生磁性性能改善或恢复的Nd-Fe-B磁铁 |
CN104674115A (zh) | 2013-11-27 | 2015-06-03 | 厦门钨业股份有限公司 | 一种低b的稀土磁铁 |
CN103990806B (zh) | 2014-05-11 | 2016-05-25 | 沈阳中北通磁科技股份有限公司 | 一种钕铁硼稀土永磁合金的氢破碎方法和设备 |
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 |
CN105321647B (zh) | 2014-07-30 | 2018-02-23 | 厦门钨业股份有限公司 | 稀土磁铁用急冷合金和稀土磁铁的制备方法 |
US9336932B1 (en) | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
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 |
CN110760750B (zh) * | 2018-07-27 | 2021-09-03 | 比亚迪股份有限公司 | 稀土永磁材料及其制备方法和电机 |
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US5858123A (en) * | 1995-07-12 | 1999-01-12 | Hitachi Metals, Ltd. | Rare earth permanent magnet and method for producing the same |
US6004407A (en) * | 1995-09-22 | 1999-12-21 | Alps Electric Co., Ltd. | Hard magnetic materials and method of producing the same |
US5725792A (en) * | 1996-04-10 | 1998-03-10 | Magnequench International, Inc. | Bonded magnet with low losses and easy saturation |
JP2001196211A (ja) * | 2000-01-06 | 2001-07-19 | Seiko Epson Corp | 磁石粉末および等方性ボンド磁石 |
JP2001196210A (ja) * | 2000-01-06 | 2001-07-19 | Seiko Epson Corp | 磁石粉末および等方性ボンド磁石 |
JP4243413B2 (ja) * | 2000-05-31 | 2009-03-25 | セイコーエプソン株式会社 | 磁石粉末の製造方法およびボンド磁石の製造方法 |
-
2001
- 2001-07-10 US US09/901,104 patent/US6527874B2/en not_active Expired - Lifetime
- 2001-07-10 CN CNB011200677A patent/CN1182548C/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9427804B2 (en) | 2013-05-05 | 2016-08-30 | China North Magnetic & Electronic Technology Co., LTD | Method for producing a high-performance neodymium—iron—boron rare earth permanent magnetic material |
Also Published As
Publication number | Publication date |
---|---|
CN1335628A (zh) | 2002-02-13 |
US6527874B2 (en) | 2003-03-04 |
US20020017338A1 (en) | 2002-02-14 |
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