CN104428854B - 稀土类烧结磁体的制造方法 - Google Patents
稀土类烧结磁体的制造方法 Download PDFInfo
- Publication number
- CN104428854B CN104428854B CN201380033804.5A CN201380033804A CN104428854B CN 104428854 B CN104428854 B CN 104428854B CN 201380033804 A CN201380033804 A CN 201380033804A CN 104428854 B CN104428854 B CN 104428854B
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- China
- Prior art keywords
- magnetic field
- slurry
- punch
- die cavity
- alloy powder
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- 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
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- 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
- H01F41/0266—Moulding; Pressing
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- 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
- B22F3/12—Both compacting and sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/008—Applying a magnetic field to the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/027—Particular press methods or systems
-
- 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
- H01F41/0273—Imparting anisotropy
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- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-146704 | 2012-06-29 | ||
JP2012146704 | 2012-06-29 | ||
PCT/JP2013/067335 WO2014002983A1 (ja) | 2012-06-29 | 2013-06-25 | 希土類系焼結磁石の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104428854A CN104428854A (zh) | 2015-03-18 |
CN104428854B true CN104428854B (zh) | 2017-03-08 |
Family
ID=49783129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380033804.5A Active CN104428854B (zh) | 2012-06-29 | 2013-06-25 | 稀土类烧结磁体的制造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10020113B2 (zh) |
EP (1) | EP2869319B1 (zh) |
JP (1) | JP6060971B2 (zh) |
CN (1) | CN104428854B (zh) |
WO (1) | WO2014002983A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106041064B (zh) * | 2016-07-31 | 2018-11-06 | 马鞍山齐力机电设备有限公司 | 一种磁性材料产品成型智能控制系统及控制方法 |
CN107799254A (zh) * | 2017-11-14 | 2018-03-13 | 北京科技大学 | 一种湿压成形制备高取向度结钕铁硼永磁材料的方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5489343A (en) * | 1993-01-29 | 1996-02-06 | Hitachi Metals, Ltd. | Method for producing R-Fe-B-based, sintered magnet |
JP2001093765A (ja) * | 1999-09-24 | 2001-04-06 | Hitachi Metals Ltd | 希土類永久磁石の製造方法 |
CN1969347A (zh) * | 2004-07-01 | 2007-05-23 | 因太金属株式会社 | 磁各向异性稀土类烧结磁体的制造方法及其制造装置 |
JP2008218502A (ja) * | 2007-02-28 | 2008-09-18 | Tdk Corp | 磁石の製造装置及び磁石の製造方法 |
JP2010215992A (ja) * | 2009-03-18 | 2010-09-30 | Tdk Corp | 磁石用成形体及び焼結磁石の製造方法、並びに磁石用成形体の製造装置。 |
JP2011216726A (ja) * | 2010-03-31 | 2011-10-27 | Nitto Denko Corp | R−t−b系永久磁石 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2859517B2 (ja) | 1993-08-12 | 1999-02-17 | 日立金属株式会社 | 希土類磁石の製造方法 |
JPH10241981A (ja) | 1997-02-28 | 1998-09-11 | Hitachi Metals Ltd | 希土類永久磁石の製造方法および希土類永久磁石 |
JP3485485B2 (ja) | 1998-12-28 | 2004-01-13 | 住友特殊金属株式会社 | 粉体プレス装置、パンチ及び粉体プレス方法 |
JP3193916B2 (ja) | 1999-04-20 | 2001-07-30 | 住友特殊金属株式会社 | パンチ、粉末成形装置および粉末成形方法 |
US6332932B1 (en) | 1999-04-20 | 2001-12-25 | Sumitomo Special Metals Co., Ltd. | Punch, powder pressing apparatus and powder pressing method |
JP3602373B2 (ja) | 1999-06-10 | 2004-12-15 | 三菱電機株式会社 | 磁場応用装置 |
JP2004281873A (ja) | 2003-03-18 | 2004-10-07 | Hitachi Metals Ltd | 希土類磁石の製造方法 |
JP2007203577A (ja) * | 2006-02-01 | 2007-08-16 | Tdk Corp | 磁場中成形装置、金型、磁場中成形方法 |
JP2008243982A (ja) * | 2007-03-26 | 2008-10-09 | Tdk Corp | 金属磁石の製造方法 |
JP4819103B2 (ja) | 2008-07-28 | 2011-11-24 | インターメタリックス株式会社 | 磁気異方性希土類焼結磁石の製造方法及び製造装置 |
JP2012146704A (ja) | 2011-01-06 | 2012-08-02 | Renesas Electronics Corp | 半導体装置、リードフレーム、及び半導体装置の製造方法 |
-
2013
- 2013-06-25 EP EP13810728.9A patent/EP2869319B1/en active Active
- 2013-06-25 CN CN201380033804.5A patent/CN104428854B/zh active Active
- 2013-06-25 US US14/411,266 patent/US10020113B2/en active Active
- 2013-06-25 WO PCT/JP2013/067335 patent/WO2014002983A1/ja active Application Filing
- 2013-06-25 JP JP2014522632A patent/JP6060971B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5489343A (en) * | 1993-01-29 | 1996-02-06 | Hitachi Metals, Ltd. | Method for producing R-Fe-B-based, sintered magnet |
JP2001093765A (ja) * | 1999-09-24 | 2001-04-06 | Hitachi Metals Ltd | 希土類永久磁石の製造方法 |
CN1969347A (zh) * | 2004-07-01 | 2007-05-23 | 因太金属株式会社 | 磁各向异性稀土类烧结磁体的制造方法及其制造装置 |
JP2008218502A (ja) * | 2007-02-28 | 2008-09-18 | Tdk Corp | 磁石の製造装置及び磁石の製造方法 |
JP2010215992A (ja) * | 2009-03-18 | 2010-09-30 | Tdk Corp | 磁石用成形体及び焼結磁石の製造方法、並びに磁石用成形体の製造装置。 |
JP2011216726A (ja) * | 2010-03-31 | 2011-10-27 | Nitto Denko Corp | R−t−b系永久磁石 |
Also Published As
Publication number | Publication date |
---|---|
EP2869319A4 (en) | 2016-04-06 |
US20150206655A1 (en) | 2015-07-23 |
EP2869319A1 (en) | 2015-05-06 |
EP2869319B1 (en) | 2018-08-08 |
JPWO2014002983A1 (ja) | 2016-06-02 |
JP6060971B2 (ja) | 2017-01-18 |
WO2014002983A1 (ja) | 2014-01-03 |
CN104428854A (zh) | 2015-03-18 |
US10020113B2 (en) | 2018-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: Japan's Tokyo port harbor 2 chome No. 70 Applicant after: Hitachi Metals Co., Ltd. Address before: Tokyo, Japan Applicant before: Hitachi Metals Co., Ltd. |
|
COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150318 Assignee: Hitachi metal ring Ci material (Nantong) Co. Ltd. Assignor: Hitachi Metals Contract record no.: 2017990000034 Denomination of invention: Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered article License type: Common License Record date: 20170209 |
|
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 |