DE69318147D1 - R-Fe-B Dauermagnetmaterialien und ihre Herstellungsverfahren - Google Patents
R-Fe-B Dauermagnetmaterialien und ihre HerstellungsverfahrenInfo
- Publication number
- DE69318147D1 DE69318147D1 DE69318147T DE69318147T DE69318147D1 DE 69318147 D1 DE69318147 D1 DE 69318147D1 DE 69318147 T DE69318147 T DE 69318147T DE 69318147 T DE69318147 T DE 69318147T DE 69318147 D1 DE69318147 D1 DE 69318147D1
- Authority
- DE
- Germany
- Prior art keywords
- permanent magnet
- alloy
- pulverization
- max
- phase
- 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.)
- Expired - Lifetime
Links
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/04—Compacting only by applying fluid pressure, e.g. by cold isostatic pressing [CIP]
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2202/00—Treatment under specific physical conditions
- B22F2202/05—Use of magnetic field
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19288693A JP3415208B2 (ja) | 1993-07-06 | 1993-07-06 | R−Fe−B系永久磁石材料の製造方法 |
JP5207192A JPH0745412A (ja) | 1993-07-28 | 1993-07-28 | R−Fe−B系永久磁石材料 |
JP20719093A JP3151087B2 (ja) | 1993-07-28 | 1993-07-28 | R−Fe−B系永久磁石用原料粉末の製造方法及び原料粉末調整用合金粉末 |
JP20719193A JP3151088B2 (ja) | 1993-07-28 | 1993-07-28 | R−Fe−B系永久磁石用原料粉末の製造方法及び原料粉末調整用合金粉末 |
JP21217193A JP3299000B2 (ja) | 1993-08-03 | 1993-08-03 | R−Fe−B系永久磁石用原料粉末の製造方法及び原料粉末調整用合金粉末 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69318147D1 true DE69318147D1 (de) | 1998-05-28 |
DE69318147T2 DE69318147T2 (de) | 1998-11-12 |
Family
ID=27529067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69318147T Expired - Lifetime DE69318147T2 (de) | 1993-07-06 | 1993-10-14 | R-Fe-B Dauermagnetmaterialien und ihre Herstellungsverfahren |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0633581B1 (de) |
KR (1) | KR0131060B1 (de) |
CN (1) | CN1076115C (de) |
AT (1) | ATE165477T1 (de) |
DE (1) | DE69318147T2 (de) |
RU (1) | RU2113742C1 (de) |
TW (1) | TW272293B (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5666635A (en) * | 1994-10-07 | 1997-09-09 | Sumitomo Special Metals Co., Ltd. | Fabrication methods for R-Fe-B permanent magnets |
US5858123A (en) * | 1995-07-12 | 1999-01-12 | Hitachi Metals, Ltd. | Rare earth permanent magnet and method for producing the same |
US6319335B1 (en) | 1999-02-15 | 2001-11-20 | Shin-Etsu Chemical Co., Ltd. | Quenched thin ribbon of rare earth/iron/boron-based magnet alloy |
EP1059645B1 (de) | 1999-06-08 | 2006-06-14 | Shin-Etsu Chemical Co., Ltd. | Dünnes Band einer dauermagnetischen Legierung auf Seltenerdbasis |
US6527874B2 (en) | 2000-07-10 | 2003-03-04 | Sumitomo Special Metals Co., Ltd. | Rare earth magnet and method for making same |
KR100446193B1 (ko) * | 2002-05-29 | 2004-08-30 | 주식회사 태평양금속 | 도전체 박막을 구비한 영구 자석 제조 방법 및 장치 |
US7618497B2 (en) * | 2003-06-30 | 2009-11-17 | Tdk Corporation | R-T-B based rare earth permanent magnet and method for production thereof |
JP4179973B2 (ja) | 2003-11-18 | 2008-11-12 | Tdk株式会社 | 焼結磁石の製造方法 |
US7955443B2 (en) * | 2006-04-14 | 2011-06-07 | Shin-Etsu Chemical Co., Ltd. | Method for preparing rare earth permanent magnet material |
JP4656323B2 (ja) | 2006-04-14 | 2011-03-23 | 信越化学工業株式会社 | 希土類永久磁石材料の製造方法 |
CN100394518C (zh) * | 2006-08-04 | 2008-06-11 | 北京工业大学 | 一种制备高矫顽力烧结稀土-铁-硼永磁材料的方法 |
RU2453942C2 (ru) * | 2006-09-14 | 2012-06-20 | Улвак, Инк. | Постоянный магнит и способ его изготовления |
JPWO2008062757A1 (ja) | 2006-11-21 | 2010-03-04 | 株式会社アルバック | 配向体、成形体及び焼結体の製造方法並びに永久磁石の製造方法 |
RU2458423C2 (ru) * | 2006-12-21 | 2012-08-10 | Улвак, Инк. | Постоянный магнит и способ его изготовления |
CN101393791B (zh) * | 2007-09-21 | 2012-10-03 | 有研稀土新材料股份有限公司 | 一种各向异性粘结磁粉及其制备方法 |
CN101872668B (zh) * | 2009-04-23 | 2014-06-25 | 北京中科三环高技术股份有限公司 | 具有优良磁化特性的烧结钕铁硼稀土永磁体及其制造方法 |
CN102087917B (zh) * | 2009-12-02 | 2014-06-25 | 北京中科三环高技术股份有限公司 | 一种辐射取向磁环或多极磁环的制备方法及其压制设备 |
JP5572673B2 (ja) | 2011-07-08 | 2014-08-13 | 昭和電工株式会社 | R−t−b系希土類焼結磁石用合金、r−t−b系希土類焼結磁石用合金の製造方法、r−t−b系希土類焼結磁石用合金材料、r−t−b系希土類焼結磁石、r−t−b系希土類焼結磁石の製造方法およびモーター |
EP2745298B1 (de) | 2011-08-17 | 2019-12-11 | Regents of the University of Minnesota | Verfahren und system zur bildung eines eisennitrid-permanentmagneten |
EP2693451A4 (de) | 2011-12-27 | 2014-07-30 | Intermetallics Co Ltd | Gesinterter neodym-magnet |
EP2800108B1 (de) | 2011-12-27 | 2018-04-11 | Intermetallics Co., Ltd. | Gesinterter neodym-magnet |
JP6119548B2 (ja) * | 2012-10-17 | 2017-04-26 | 信越化学工業株式会社 | 希土類焼結磁石の製造方法 |
CN103887028B (zh) | 2012-12-24 | 2017-07-28 | 北京中科三环高技术股份有限公司 | 一种烧结钕铁硼磁体及其制造方法 |
JP6238444B2 (ja) | 2013-01-07 | 2017-11-29 | 昭和電工株式会社 | R−t−b系希土類焼結磁石、r−t−b系希土類焼結磁石用合金およびその製造方法 |
JP6082128B2 (ja) | 2013-02-07 | 2017-02-15 | リージェンツ オブ ザ ユニバーシティ オブ ミネソタ | 窒化鉄永久磁石及び窒化鉄永久磁石を形成するための技術 |
WO2014210027A1 (en) | 2013-06-27 | 2014-12-31 | Regents Of The University Of Minnesota | Iron nitride materials and magnets including iron nitride materials |
KR20160133564A (ko) | 2014-03-28 | 2016-11-22 | 리전츠 오브 더 유니버시티 오브 미네소타 | 코팅된 나노입자들을 포함하는 질화철 자성 재료 |
US9994949B2 (en) | 2014-06-30 | 2018-06-12 | Regents Of The University Of Minnesota | Applied magnetic field synthesis and processing of iron nitride magnetic materials |
US10358716B2 (en) | 2014-08-08 | 2019-07-23 | Regents Of The University Of Minnesota | Forming iron nitride hard magnetic materials using chemical vapor deposition or liquid phase epitaxy |
US10002694B2 (en) | 2014-08-08 | 2018-06-19 | Regents Of The University Of Minnesota | Inductor including alpha″-Fe16Z2 or alpha″-Fe16(NxZ1-x)2, where Z includes at least one of C, B, or O |
US10573439B2 (en) | 2014-08-08 | 2020-02-25 | Regents Of The University Of Minnesota | Multilayer iron nitride hard magnetic materials |
US10072356B2 (en) | 2014-08-08 | 2018-09-11 | Regents Of The University Of Minnesota | Magnetic material including α″-Fe16(NxZ1-x)2 or a mixture of α″-Fe16Z2 and α″-Fe16N2, where Z includes at least one of C, B, or O |
DE102016205243A1 (de) | 2016-03-30 | 2017-10-05 | Thyssenkrupp Ag | Vorrichtung und Verfahren zur Aufbereitung eines Probematerials |
CN108481877B (zh) * | 2018-03-10 | 2020-06-23 | 葛理想 | 电磁屏蔽用磁材的碎化处理工艺 |
CN115747611B (zh) * | 2022-10-13 | 2023-10-20 | 包头金山磁材有限公司 | 一种辅合金铸片和高剩磁高矫顽力钕铁硼永磁体及制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1316375C (en) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
JPS62291901A (ja) * | 1986-06-12 | 1987-12-18 | Toshiba Corp | 永久磁石 |
CN1051864C (zh) * | 1986-08-04 | 2000-04-26 | 住友特殊金属株式会社 | 具有优异耐蚀性的稀土永磁体 |
GB2201426B (en) * | 1987-02-27 | 1990-05-30 | Philips Electronic Associated | Improved method for the manufacture of rare earth transition metal alloy magnets |
EP0304054B1 (de) * | 1987-08-19 | 1994-06-08 | Mitsubishi Materials Corporation | Magnetisches Seltenerd-Eisen-Bor-Puder und sein Herstellungsverfahren |
JPH01119001A (ja) * | 1987-10-30 | 1989-05-11 | Kubota Ltd | 希土類含有永久磁石粉末の製造方法 |
JPH0529117A (ja) * | 1990-10-22 | 1993-02-05 | Kawasaki Steel Corp | 希土類−遷移金属系異方性磁粉の製造方法 |
DE69202515T2 (de) * | 1991-06-04 | 1995-09-21 | Shinetsu Chemical Co | Verfahren zur Herstellung von zweiphasigen Dauermagneten auf der Basis von Seltenen Erden. |
JP2782024B2 (ja) * | 1992-01-29 | 1998-07-30 | 住友特殊金属株式会社 | R−Fe−B系永久磁石用原料粉末の製造方法 |
-
1993
- 1993-10-14 EP EP93308184A patent/EP0633581B1/de not_active Expired - Lifetime
- 1993-10-14 DE DE69318147T patent/DE69318147T2/de not_active Expired - Lifetime
- 1993-10-14 AT AT93308184T patent/ATE165477T1/de active
- 1993-10-14 RU RU93049098A patent/RU2113742C1/ru active
- 1993-10-15 TW TW082108554A patent/TW272293B/zh not_active IP Right Cessation
- 1993-10-15 KR KR93021615A patent/KR0131060B1/ko not_active IP Right Cessation
- 1993-10-15 CN CN93115008A patent/CN1076115C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0633581A1 (de) | 1995-01-11 |
DE69318147T2 (de) | 1998-11-12 |
CN1114779A (zh) | 1996-01-10 |
CN1076115C (zh) | 2001-12-12 |
ATE165477T1 (de) | 1998-05-15 |
TW272293B (de) | 1996-03-11 |
RU2113742C1 (ru) | 1998-06-20 |
KR0131060B1 (en) | 1998-04-24 |
EP0633581B1 (de) | 1998-04-22 |
KR950004295A (ko) | 1995-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: FEDER WALTER EBERT PATENTANWAELTE, 40237 DUESSELDO |