CN103140902A - R-t-b类烧结磁体的制造方法 - Google Patents
R-t-b类烧结磁体的制造方法 Download PDFInfo
- Publication number
- CN103140902A CN103140902A CN2011800473207A CN201180047320A CN103140902A CN 103140902 A CN103140902 A CN 103140902A CN 2011800473207 A CN2011800473207 A CN 2011800473207A CN 201180047320 A CN201180047320 A CN 201180047320A CN 103140902 A CN103140902 A CN 103140902A
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- sintered magnet
- class sintered
- diffusion treatment
- holding member
- magnet body
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000009792 diffusion process Methods 0.000 claims abstract description 117
- 238000000034 method Methods 0.000 claims abstract description 34
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 52
- 150000002910 rare earth metals Chemical class 0.000 claims description 47
- 238000001816 cooling Methods 0.000 claims description 26
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 10
- 229910052771 Terbium Inorganic materials 0.000 claims description 9
- 238000003475 lamination Methods 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052723 transition metal Inorganic materials 0.000 claims description 4
- 150000003624 transition metals Chemical class 0.000 claims description 4
- 238000003466 welding Methods 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 9
- 230000008020 evaporation Effects 0.000 description 9
- 239000012071 phase Substances 0.000 description 6
- 238000010791 quenching Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- 238000004381 surface treatment Methods 0.000 description 6
- 239000007769 metal material Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000000700 radioactive tracer Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 208000010086 Hypertelorism Diseases 0.000 description 1
- 206010020771 Hypertelorism of orbit Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- -1 and Al evaporation Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000002977 hyperthermial effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
-
- 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
- C22C38/005—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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0293—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
冷却条件(RH供给扩散处理后) | △HcJ(kA/m) |
(1)900℃~500℃20℃/分钟 | 5 |
(2)900℃~500℃15℃/分钟 | 20 |
(3)900℃~500℃10℃/分钟 | 63 |
(4)900℃~500℃5℃/分钟 | 111 |
(5)900℃~500℃4℃/分钟 | 129 |
(6)900℃~500℃3℃/分钟 | 143 |
(7)900℃~500℃2℃/分钟 | 157 |
(8)900℃~500℃1℃/分钟 | 162 |
(基准)900℃~室温80℃/分钟 | - |
冷却条件(RH供给扩散处理后) | △HcJ(kA/m) |
900℃~室温2℃/分钟 | 152 |
冷却条件(RH供给扩散处理后) | △HcJ(kA/m) |
900℃~500℃5℃/分钟 | 116 |
900℃~500℃4℃/分钟 | 134 |
900℃~500℃3℃/分钟 | 147 |
900℃~500℃2℃/分钟 | 160 |
Claims (5)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-220534 | 2010-09-30 | ||
JP2010220534 | 2010-09-30 | ||
JP2011-145412 | 2011-06-30 | ||
JP2011145412A JP5088596B2 (ja) | 2010-09-30 | 2011-06-30 | R−t−b系焼結磁石の製造方法 |
PCT/JP2011/067946 WO2012043061A1 (ja) | 2010-09-30 | 2011-08-05 | R-t-b系焼結磁石の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103140902A true CN103140902A (zh) | 2013-06-05 |
CN103140902B CN103140902B (zh) | 2016-04-13 |
Family
ID=45892536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180047320.7A Active CN103140902B (zh) | 2010-09-30 | 2011-08-05 | R-t-b类烧结磁体的制造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9721724B2 (zh) |
JP (1) | JP5088596B2 (zh) |
CN (1) | CN103140902B (zh) |
WO (1) | WO2012043061A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104900359A (zh) * | 2015-05-07 | 2015-09-09 | 安泰科技股份有限公司 | 复合靶气相沉淀制备晶界扩散稀土永磁材料的方法 |
CN105788839A (zh) * | 2015-01-09 | 2016-07-20 | 现代自动车株式会社 | 稀土永磁体及其制造方法 |
CN109003802A (zh) * | 2018-08-14 | 2018-12-14 | 中钢集团安徽天源科技股份有限公司 | 一种晶界扩散制备低成本高性能大块钕铁硼磁体的方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103305744B (zh) * | 2012-03-08 | 2016-03-30 | 宝山钢铁股份有限公司 | 一种高质量硅钢常化基板的生产方法 |
JP6248925B2 (ja) * | 2012-03-30 | 2017-12-20 | 日立金属株式会社 | R−t−b系焼結磁石の製造方法 |
US20140127072A1 (en) * | 2012-11-08 | 2014-05-08 | Shenyang General Magnetic Co., Ltd | Continuous sintering method for rare earth permanent magnetic alloy and equipment therefor |
CN103366944B (zh) * | 2013-07-17 | 2016-08-10 | 宁波韵升股份有限公司 | 一种提高烧结钕铁硼磁体性能的方法 |
CN103745823A (zh) * | 2014-01-24 | 2014-04-23 | 烟台正海磁性材料股份有限公司 | 一种R-Fe-B系烧结磁体的制备方法 |
JP6521391B2 (ja) * | 2015-01-27 | 2019-05-29 | 日立金属株式会社 | R−t−b系焼結磁石の製造方法 |
EP3330984B1 (en) | 2015-07-30 | 2020-03-18 | Hitachi Metals, Ltd. | Method for producing r-t-b system sintered magnet |
CN107993785A (zh) * | 2016-10-27 | 2018-05-04 | 有研稀土新材料股份有限公司 | 高矫顽力Nd-Fe-B稀土永磁体及其制备工艺 |
CN110106335B (zh) * | 2018-02-01 | 2021-04-13 | 福建省长汀金龙稀土有限公司 | 一种合金工件或金属工件的连续热处理装置以及方法 |
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JP2007329250A (ja) * | 2006-06-07 | 2007-12-20 | Ulvac Japan Ltd | 永久磁石及び永久磁石の製造方法 |
CN101331566A (zh) * | 2006-03-03 | 2008-12-24 | 日立金属株式会社 | R-Fe-B系稀土类烧结磁铁及其制造方法 |
JP2009135393A (ja) * | 2007-10-31 | 2009-06-18 | Ulvac Japan Ltd | 永久磁石の製造方法 |
WO2009104640A1 (ja) * | 2008-02-20 | 2009-08-27 | 株式会社アルバック | 永久磁石の製造方法及び永久磁石 |
JP2009200180A (ja) * | 2008-02-20 | 2009-09-03 | Ulvac Japan Ltd | 永久磁石の製造方法 |
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JPH04143221A (ja) * | 1990-10-03 | 1992-05-18 | Seiko Epson Corp | 永久磁石の製造方法 |
JP3192642B2 (ja) * | 1998-10-02 | 2001-07-30 | 住友特殊金属株式会社 | 表面処理用支持部材、表面処理用ホルダー、並びに表面処理方法 |
US7578892B2 (en) * | 2005-03-31 | 2009-08-25 | Hitachi Metals, Ltd. | Magnetic alloy material and method of making the magnetic alloy material |
MY181243A (en) * | 2006-03-03 | 2020-12-21 | Hitachi Metals Ltd | R-fe-b rare earth sintered magnet |
KR101495899B1 (ko) * | 2007-07-02 | 2015-03-02 | 히다찌긴조꾸가부시끼가이사 | RFeB계 희토류 소결 자석 및 그 제조 방법 |
RU2490745C2 (ru) * | 2007-10-31 | 2013-08-20 | Улвак, Инк. | Способ изготовления постоянного магнита и постоянный магнит |
JP2009194262A (ja) * | 2008-02-17 | 2009-08-27 | Osaka Univ | 希土類磁石の製造方法 |
US8845821B2 (en) * | 2009-07-10 | 2014-09-30 | Hitachi Metals, Ltd. | Process for production of R-Fe-B-based rare earth sintered magnet, and steam control member |
JP5644170B2 (ja) * | 2010-04-23 | 2014-12-24 | 日立金属株式会社 | R−t−b系焼結磁石の製造方法 |
-
2011
- 2011-06-30 JP JP2011145412A patent/JP5088596B2/ja active Active
- 2011-08-05 CN CN201180047320.7A patent/CN103140902B/zh active Active
- 2011-08-05 WO PCT/JP2011/067946 patent/WO2012043061A1/ja active Application Filing
- 2011-08-05 US US13/822,659 patent/US9721724B2/en active Active
Patent Citations (5)
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CN101331566A (zh) * | 2006-03-03 | 2008-12-24 | 日立金属株式会社 | R-Fe-B系稀土类烧结磁铁及其制造方法 |
JP2007329250A (ja) * | 2006-06-07 | 2007-12-20 | Ulvac Japan Ltd | 永久磁石及び永久磁石の製造方法 |
JP2009135393A (ja) * | 2007-10-31 | 2009-06-18 | Ulvac Japan Ltd | 永久磁石の製造方法 |
WO2009104640A1 (ja) * | 2008-02-20 | 2009-08-27 | 株式会社アルバック | 永久磁石の製造方法及び永久磁石 |
JP2009200180A (ja) * | 2008-02-20 | 2009-09-03 | Ulvac Japan Ltd | 永久磁石の製造方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105788839A (zh) * | 2015-01-09 | 2016-07-20 | 现代自动车株式会社 | 稀土永磁体及其制造方法 |
US10714246B2 (en) | 2015-01-09 | 2020-07-14 | Hyundai Motor Company | Rare earth permanent magnet and method for manufacturing thereof |
CN104900359A (zh) * | 2015-05-07 | 2015-09-09 | 安泰科技股份有限公司 | 复合靶气相沉淀制备晶界扩散稀土永磁材料的方法 |
US10385442B2 (en) | 2015-05-07 | 2019-08-20 | Advanced Technology & Materials Co., Ltd. | Method for preparing rare-earth permanent magnetic material with grain boundary diffusion using composite target by vapor deposition |
CN109003802A (zh) * | 2018-08-14 | 2018-12-14 | 中钢集团安徽天源科技股份有限公司 | 一种晶界扩散制备低成本高性能大块钕铁硼磁体的方法 |
Also Published As
Publication number | Publication date |
---|---|
JP5088596B2 (ja) | 2012-12-05 |
JP2012094813A (ja) | 2012-05-17 |
US20130181039A1 (en) | 2013-07-18 |
US9721724B2 (en) | 2017-08-01 |
WO2012043061A1 (ja) | 2012-04-05 |
CN103140902B (zh) | 2016-04-13 |
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Application publication date: 20130605 Assignee: Hitachi metal ring Ci material (Nantong) Co.,Ltd. Assignor: HITACHI METALS, Ltd. Contract record no.: 2017990000034 Denomination of invention: Method for producing R-T-B-based sintered magnets Granted publication date: 20160413 License type: Common License Record date: 20170209 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CI03 | Correction of invention patent | ||
CI03 | Correction of invention patent |
Correction item: A transferee of the entry into force of the contract Correct: Hitachi metal ring magnets (Nantong) Co. Ltd. False: Hitachi metal ring Ci material (Nantong) Co. Ltd. Number: 11 Volume: 33 |