CA2696700C - Method for making ndfeb system sintered magnet and mold for making the same - Google Patents
Method for making ndfeb system sintered magnet and mold for making the same Download PDFInfo
- Publication number
- CA2696700C CA2696700C CA2696700A CA2696700A CA2696700C CA 2696700 C CA2696700 C CA 2696700C CA 2696700 A CA2696700 A CA 2696700A CA 2696700 A CA2696700 A CA 2696700A CA 2696700 C CA2696700 C CA 2696700C
- Authority
- CA
- Canada
- Prior art keywords
- mold
- sintered magnet
- making
- ndfeb system
- system sintered
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 65
- 229910001172 neodymium magnet Inorganic materials 0.000 claims abstract description 72
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 45
- 230000008569 process Effects 0.000 claims abstract description 31
- 238000005245 sintering Methods 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 230000005291 magnetic effect Effects 0.000 claims description 54
- 239000000843 powder Substances 0.000 claims description 53
- 239000003302 ferromagnetic material Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000005429 filling process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 229910045601 alloy Inorganic materials 0.000 description 24
- 239000000956 alloy Substances 0.000 description 24
- 239000000463 material Substances 0.000 description 15
- 239000011248 coating agent Substances 0.000 description 14
- 238000000576 coating method Methods 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 10
- 239000006247 magnetic powder Substances 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 229910052582 BN Inorganic materials 0.000 description 5
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 5
- 239000012467 final product Substances 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 239000007770 graphite material Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 238000001159 Fisher's combined probability test Methods 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010902 jet-milling Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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
- 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
-
- 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
- B22F3/087—Compacting only using high energy impulses, e.g. magnetic field impulses
-
- 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
-
- 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
-
- 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
-
- 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)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-214074 | 2007-08-20 | ||
| JP2007214074A JP4879843B2 (ja) | 2007-08-20 | 2007-08-20 | ＮｄＦｅＢ系焼結磁石の製造方法およびＮｄＦｅＢ焼結磁石製造用モールド |
| PCT/JP2008/002251 WO2009025086A1 (ja) | 2007-08-20 | 2008-08-20 | NdFeB系焼結磁石の製造方法およびNdFeB焼結磁石製造用モールド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2696700A1 CA2696700A1 (en) | 2009-02-26 |
| CA2696700C true CA2696700C (en) | 2016-03-15 |
Family
ID=40377995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2696700A Expired - Fee Related CA2696700C (en) | 2007-08-20 | 2008-08-20 | Method for making ndfeb system sintered magnet and mold for making the same |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9831034B2 (enExample) |
| EP (2) | EP3091545A1 (enExample) |
| JP (1) | JP4879843B2 (enExample) |
| KR (1) | KR20100043086A (enExample) |
| CN (2) | CN101809689A (enExample) |
| CA (1) | CA2696700C (enExample) |
| WO (1) | WO2009025086A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5695567B2 (ja) * | 2009-08-28 | 2015-04-08 | インターメタリックス株式会社 | ＮｄＦｅＢ系焼結磁石の製造方法、製造装置、及びＮｄＦｅＢ系焼結磁石製造用磁粉配向装置 |
| KR101735144B1 (ko) | 2010-05-10 | 2017-05-12 | 인터메탈릭스 가부시키가이샤 | ＮｄＦｅＢ계 소결자석 제조장치 |
| CN102228760A (zh) * | 2011-06-29 | 2011-11-02 | 无锡光旭新材料科技有限公司 | 一种永磁体过滤棒及其永磁材料体的制备方法 |
| JP6186363B2 (ja) * | 2012-08-27 | 2017-08-23 | インターメタリックス株式会社 | ＮｄＦｅＢ系焼結磁石 |
| 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 |
| EP2975619A4 (en) * | 2013-03-12 | 2016-03-09 | Intermetallics Co Ltd | PROCESS FOR PRODUCING RFEB SINTERED MAGNET AND RFEB SINTERED MAGNET PRODUCED THEREBY |
| WO2015012412A1 (ja) * | 2013-07-24 | 2015-01-29 | Ｎｄｆｅｂ株式会社 | 希土類焼結磁石製造方法と希土類焼結磁石焼結用モールド |
| CN104575919A (zh) * | 2013-10-10 | 2015-04-29 | 三环瓦克华（北京）磁性器件有限公司 | 一种烧结钕铁硼磁体及其制造方法 |
| CN106133157A (zh) * | 2014-03-28 | 2016-11-16 | 日立金属株式会社 | 稀土元素的回收方法 |
| JP6337616B2 (ja) * | 2014-05-28 | 2018-06-06 | 大同特殊鋼株式会社 | 焼結磁石製造用モールド及び焼結磁石製造方法 |
| JP6213423B2 (ja) * | 2014-08-25 | 2017-10-18 | トヨタ自動車株式会社 | 希土類磁石の製造方法 |
| JP6627307B2 (ja) | 2015-07-24 | 2020-01-08 | 大同特殊鋼株式会社 | 焼結磁石製造方法 |
| FR3048630B1 (fr) * | 2016-03-14 | 2020-02-21 | Centre National De La Recherche Scientifique | Procede de fabrication d'une plaque abradable et de reparation d'un anneau de turbine |
| JP6848464B2 (ja) * | 2017-01-19 | 2021-03-24 | 大同特殊鋼株式会社 | 焼結磁石製造用モールド及び該モールドを用いた焼結磁石製造方法 |
| CN112768170B (zh) * | 2020-12-30 | 2022-11-01 | 烟台正海磁性材料股份有限公司 | 一种稀土永磁体及其制备方法 |
| CN113084161B (zh) * | 2021-03-30 | 2023-04-14 | 博深股份有限公司 | 一种粉末冶金闸片通用烧结模具及使用方法 |
| CN113851322B (zh) * | 2021-10-15 | 2024-09-06 | 江西嘉圆磁电科技有限公司 | 一种烧结钕铁硼工件的生产加工工艺 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60135597A (ja) * | 1983-12-22 | 1985-07-18 | Toyota Motor Corp | 電着塗装の試験片塗装方法 |
| JP3174448B2 (ja) * | 1993-11-26 | 2001-06-11 | 住友特殊金属株式会社 | Ｆｅ−Ｂ−Ｒ系磁石材料の製造方法 |
| SE506482C2 (sv) * | 1996-04-23 | 1997-12-22 | Sandvik Ab | Sintringsunderlag |
| US6696015B2 (en) * | 1999-03-03 | 2004-02-24 | Sumitomo Special Metals Co., Ltd. | Method for producing rare-earth magnet |
| CN1187152C (zh) * | 1999-03-03 | 2005-02-02 | 株式会社新王磁材 | 稀土磁铁烧结用烧结箱及用该箱烧结处理的稀土磁铁制法 |
| US6332932B1 (en) | 1999-04-20 | 2001-12-25 | Sumitomo Special Metals Co., Ltd. | Punch, powder pressing apparatus and powder pressing method |
| JP2002371383A (ja) * | 2001-06-18 | 2002-12-26 | Shin Etsu Chem Co Ltd | 耐熱性被覆部材 |
| AU2003236275A1 (en) * | 2002-04-12 | 2003-10-27 | Sumitomo Special Metals Co., Ltd. | Method for press molding rare earth alloy powder and method for producing sintered object of rare earth alloy |
| JP4581449B2 (ja) * | 2004-03-23 | 2010-11-17 | 日立金属株式会社 | 希土類焼結磁石の製造方法 |
| JP4605436B2 (ja) * | 2004-03-26 | 2011-01-05 | Ｔｄｋ株式会社 | 焼結磁石焼結用治具及び焼結磁石の製造方法 |
| JP4391897B2 (ja) | 2004-07-01 | 2009-12-24 | 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 |
| US20090060773A1 (en) * | 2004-10-28 | 2009-03-05 | Kim Hyoung Tae | Manufacture Method of NDFEB Isotropic and Anisotropic Permanent Magnets |
| JP2006265601A (ja) * | 2005-03-23 | 2006-10-05 | Tdk Corp | 希土類磁石焼結用容器及びそれを用いた希土類磁石の製造方法 |
| JP4818722B2 (ja) | 2005-12-28 | 2011-11-16 | インターメタリックス株式会社 | ＮｄＦｅＢ系焼結磁石の製造方法及びＮｄＦｅＢ系焼結磁石製造用モールド |
| JP4879583B2 (ja) * | 2005-12-28 | 2012-02-22 | インターメタリックス株式会社 | ＮｄＦｅＢ系焼結磁石製造用モールド及びＮｄＦｅＢ系焼結磁石の製造方法 |
| DK2017859T3 (da) * | 2007-07-20 | 2012-09-17 | Siemens Ag | Magnetpolemne og fremgangsmåde til fremstilling heraf |
-
2007
- 2007-08-20 JP JP2007214074A patent/JP4879843B2/ja active Active
-
2008
- 2008-08-20 CN CN200880102582A patent/CN101809689A/zh active Pending
- 2008-08-20 EP EP16172668.2A patent/EP3091545A1/en not_active Withdrawn
- 2008-08-20 EP EP08827794.2A patent/EP2187410B1/en not_active Not-in-force
- 2008-08-20 CA CA2696700A patent/CA2696700C/en not_active Expired - Fee Related
- 2008-08-20 KR KR1020107004164A patent/KR20100043086A/ko not_active Ceased
- 2008-08-20 WO PCT/JP2008/002251 patent/WO2009025086A1/ja not_active Ceased
- 2008-08-20 CN CN201510524015.2A patent/CN105097262A/zh active Pending
- 2008-08-20 US US12/673,937 patent/US9831034B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009025086A1 (ja) | 2009-02-26 |
| KR20100043086A (ko) | 2010-04-27 |
| JP4879843B2 (ja) | 2012-02-22 |
| EP2187410A4 (en) | 2011-08-24 |
| US9831034B2 (en) | 2017-11-28 |
| EP3091545A1 (en) | 2016-11-09 |
| JP2009049202A (ja) | 2009-03-05 |
| CN105097262A (zh) | 2015-11-25 |
| US20110070118A1 (en) | 2011-03-24 |
| EP2187410A1 (en) | 2010-05-19 |
| EP2187410B1 (en) | 2016-07-20 |
| CA2696700A1 (en) | 2009-02-26 |
| CN101809689A (zh) | 2010-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20130705 |
|
| MKLA | Lapsed |
Effective date: 20220301 |
|
| MKLA | Lapsed |
Effective date: 20200831 |