TW290697B - - Google Patents
Info
- Publication number
- TW290697B TW290697B TW084109510A TW84109510A TW290697B TW 290697 B TW290697 B TW 290697B TW 084109510 A TW084109510 A TW 084109510A TW 84109510 A TW84109510 A TW 84109510A TW 290697 B TW290697 B TW 290697B
- Authority
- TW
- Taiwan
- Prior art keywords
- ground
- powders
- koe
- grinding
- magnetic field
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 5
- 238000000227 grinding Methods 0.000 abstract 4
- 239000000843 powder Substances 0.000 abstract 3
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- 230000005415 magnetization Effects 0.000 abstract 2
- 238000012856 packing Methods 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 238000009694 cold isostatic pressing Methods 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
Classifications
-
- 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
- B22F3/004—Filling molds with powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
-
- 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
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electromagnetism (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Compounds Of Iron (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6270618A JPH08111307A (ja) | 1994-10-07 | 1994-10-07 | R−Fe−B系永久磁石用原料粉末の製造方法 |
| JP27061994A JP3459477B2 (ja) | 1994-10-07 | 1994-10-07 | 希土類磁石用原料粉末の製造方法 |
| JP33169994A JP3383448B2 (ja) | 1994-12-09 | 1994-12-09 | R−Fe−B系永久磁石材料の製造方法 |
| JP33169894A JP3777199B2 (ja) | 1994-12-09 | 1994-12-09 | 高性能R−Fe−B系永久磁石材料の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW290697B true TW290697B (enExample) | 1996-11-11 |
Family
ID=27478890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW084109510A TW290697B (enExample) | 1994-10-07 | 1995-09-12 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5666635A (enExample) |
| EP (1) | EP0706190B1 (enExample) |
| KR (1) | KR100202161B1 (enExample) |
| CN (1) | CN1120507C (enExample) |
| AT (1) | ATE183016T1 (enExample) |
| DE (1) | DE69511202T2 (enExample) |
| RU (1) | RU2112627C1 (enExample) |
| TW (1) | TW290697B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI413135B (zh) * | 2004-10-19 | 2013-10-21 | Shinetsu Chemical Co | 稀土永久磁鐵材料及其製造方法 |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0991086B1 (en) * | 1998-04-22 | 2009-07-15 | Hitachi Metals, Limited | METHOD FOR PRODUCING R-Fe-B PERMANENT MAGNET, LUBRICATING AGENT AND RELEASE AGENT FOR USE IN SHAPING THE SAME |
| DE10066419B8 (de) | 1999-08-30 | 2015-09-17 | Hitachi Metals, Ltd. | Verfahren zum Konservieren (Aufrechterhalten) eines Legierungspulvermaterials für einen gesinterten Magneten vom R-Fe-B-Typ |
| WO2001091139A1 (en) | 2000-05-24 | 2001-11-29 | Sumitomo Special Metals Co., Ltd. | Permanent magnet including multiple ferromagnetic phases and method for producing the magnet |
| AU2001288123A1 (en) * | 2000-10-06 | 2002-04-22 | Santoku Corporation | Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet |
| US6790296B2 (en) | 2000-11-13 | 2004-09-14 | Neomax Co., Ltd. | Nanocomposite magnet and method for producing same |
| US7217328B2 (en) * | 2000-11-13 | 2007-05-15 | Neomax Co., Ltd. | Compound for rare-earth bonded magnet and bonded magnet using the compound |
| JP4698867B2 (ja) * | 2001-03-29 | 2011-06-08 | 日立金属株式会社 | R−Fe−B系合金の造粒粉の製造方法およびR−Fe−B系合金焼結体の製造方法 |
| DE60221448T2 (de) * | 2001-03-30 | 2007-11-29 | Neomax Co., Ltd. | Seltenerdlegierungs Sinterformteil |
| CN1212626C (zh) * | 2001-05-15 | 2005-07-27 | 株式会社新王磁材 | 铁基稀土合金纳米复合磁体及其制造方法 |
| US7507302B2 (en) * | 2001-07-31 | 2009-03-24 | Hitachi Metals, Ltd. | Method for producing nanocomposite magnet using atomizing method |
| KR100518067B1 (ko) * | 2001-10-31 | 2005-09-28 | 가부시키가이샤 네오맥스 | 영구자석의 제조방법 및 프레스 장치 |
| EP1446816B1 (en) * | 2001-11-22 | 2006-08-02 | Neomax Co., Ltd. | Nanocomposite magnet |
| DE10297484B4 (de) * | 2001-11-28 | 2006-10-19 | Neomax Co., Ltd. | Verfahren und Vorrichtung zur Herstellung eines granulierten Seltenerdmetall-Legierungspulvers und Verfahren zur Herstellung eines Seltenerdmetall-Legierungssinterkörpers |
| RU2212075C1 (ru) * | 2001-12-26 | 2003-09-10 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" | Магнитный материал и изделие, выполненное из него |
| KR100524827B1 (ko) * | 2003-04-02 | 2005-11-01 | 자화전자 주식회사 | 희토류자석 제조의 고이방화 종축 성형방법 및 그 장치 |
| CN1310729C (zh) * | 2003-04-22 | 2007-04-18 | 株式会社新王磁材 | 稀土类合金粉末的制造方法及稀土类烧结磁铁的制造方法 |
| US7416613B2 (en) * | 2004-01-26 | 2008-08-26 | Tdk Corporation | Method for compacting magnetic powder in magnetic field, and method for producing rare-earth sintered magnet |
| 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 |
| US20080257716A1 (en) * | 2005-03-18 | 2008-10-23 | Hiroshi Nagata | Coating Method and Apparatus, a Permanent Magnet, and Manufacturing Method Thereof |
| MY141999A (en) * | 2005-03-23 | 2010-08-16 | Shinetsu Chemical Co | Functionally graded rare earth permanent magnet |
| US8128757B2 (en) * | 2006-11-21 | 2012-03-06 | Ulvac, Inc. | Method of manufacturing oriented body, molded body and sintered body as well as method of manufacturing permanent magnet |
| DE112007003125T5 (de) * | 2006-12-21 | 2009-11-05 | ULVAC, Inc., Chigasaki | Permanentmagnet und Verfahren zu dessen Herstellung |
| TWI447751B (zh) * | 2007-12-25 | 2014-08-01 | Ulvac Inc | Method of manufacturing permanent magnet |
| JP5434869B2 (ja) * | 2009-11-25 | 2014-03-05 | Tdk株式会社 | 希土類焼結磁石の製造方法 |
| CN101937769B (zh) * | 2010-09-13 | 2012-05-09 | 华南理工大学 | 一种各向异性无粘结剂钕铁硼磁体的高速压制成形方法 |
| 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 |
| US9272332B2 (en) * | 2011-09-29 | 2016-03-01 | GM Global Technology Operations LLC | Near net shape manufacturing of rare earth permanent magnets |
| CN102403118B (zh) * | 2011-11-23 | 2013-05-08 | 北京航空航天大学 | 一种各向异性钐钴基纳米晶稀土永磁体制备方法 |
| 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 |
| CN103219146B (zh) * | 2013-03-26 | 2015-06-10 | 北矿磁材科技股份有限公司 | 一种还原扩散法提高磁铁性能的方法 |
| RU2525867C1 (ru) * | 2013-06-14 | 2014-08-20 | Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт физики металлов Уральского отделения Российской академии наук (ИФМ УрО РАН) | СПОСОБ ПОЛУЧЕНИЯ СПЕЧЕННОГО ВЫСОКОЭНЕРГОЕМКОГО ПОСТОЯННОГО МАГНИТА ИЗ СПЛАВА НА ОСНОВЕ Nd-Fe-B |
| EP3011573B1 (en) | 2013-06-17 | 2020-06-10 | Urban Mining Technology Company, LLC | Magnet recycling to create nd-fe-b magnets with improved or restored magnetic performance |
| PL3123489T3 (pl) * | 2014-03-28 | 2020-02-28 | Magnetnotes, Ltd. | Rotacyjny sposób nanoszenia kompozycji magnetycznych |
| JP2016017203A (ja) * | 2014-07-08 | 2016-02-01 | 昭和電工株式会社 | R−t−b系希土類焼結磁石用合金の製造方法及びr−t−b系希土類焼結磁石の製造方法 |
| US9336932B1 (en) | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
| RU2611814C1 (ru) * | 2015-12-29 | 2017-03-01 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Способ измельчения смеси карбоната стронция и оксида железа в производстве гексаферритов стронция |
| RU2618781C1 (ru) * | 2015-12-29 | 2017-05-11 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Способ измельчения смеси карбоната бария и оксида железа в производстве гексаферритов бария |
| CN105931833B (zh) * | 2016-04-20 | 2017-11-17 | 北京科技大学 | 一种高取向度烧结钕铁硼永磁材料的制备方法 |
| TWI719259B (zh) * | 2016-09-23 | 2021-02-21 | 日商日東電工股份有限公司 | 稀土類燒結磁石形成用燒結體及其製造方法 |
| CN108305771A (zh) * | 2017-09-12 | 2018-07-20 | 包头韵升强磁材料有限公司 | 一种低脆性钕铁硼磁性材料的制备方法 |
| CN110323022B (zh) * | 2019-07-24 | 2024-07-23 | 江西金力永磁科技股份有限公司 | 一种连续式烧结磁体的制造方法及其设备 |
| CN111940745B (zh) * | 2019-12-30 | 2024-01-19 | 宁夏东方钽业股份有限公司 | 大松装冶金级钽粉的制造方法 |
| JP7707703B2 (ja) * | 2020-12-21 | 2025-07-15 | 株式会社プロテリアル | R-t-b系焼結磁石の製造方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5946008A (ja) | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
| CA1316375C (en) | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
| JPS6063304A (ja) | 1983-09-17 | 1985-04-11 | Sumitomo Special Metals Co Ltd | 希土類・ボロン・鉄系永久磁石用合金粉末の製造方法 |
| JPS61119006A (ja) * | 1984-11-15 | 1986-06-06 | Hitachi Metals Ltd | 焼結磁石の製造方法 |
| JPH066728B2 (ja) | 1986-07-24 | 1994-01-26 | 住友特殊金属株式会社 | 永久磁石材料用原料粉末の製造方法 |
| JP2665590B2 (ja) | 1987-06-19 | 1997-10-22 | 住友特殊金属株式会社 | 希土類―鉄―ボロン系磁気異方性焼結永久磁石原料用合金薄板並びに磁気異方性焼結永久磁石原料用合金粉末,及び磁気異方性焼結永久磁石 |
| CN1006744B (zh) * | 1988-01-05 | 1990-02-07 | 冶金工业部钢铁研究总院 | 超大各向异性稀土永磁体制造方法 |
| JPH02139907A (ja) * | 1988-11-18 | 1990-05-29 | Shin Etsu Chem Co Ltd | 極異方性希土類磁石の製造方法 |
| JP3292929B2 (ja) | 1991-07-25 | 2002-06-17 | ヤマハ発動機株式会社 | 工具保持装置 |
| JPH0786071A (ja) * | 1993-06-30 | 1995-03-31 | Tdk Corp | 焼結磁石の製造方法 |
| ATE165477T1 (de) * | 1993-07-06 | 1998-05-15 | Sumitomo Spec Metals | R-fe-b dauermagnetmaterialien und ihre herstellungsverfahren |
| US5575830A (en) * | 1994-12-21 | 1996-11-19 | Sumitomo Special Metals Co., Ltd. | Fabrication methods and equipment for granulated powders |
| KR100187611B1 (ko) * | 1993-12-28 | 1999-06-01 | 오카모토 유지 | 희토류.철계 소결영구자석의 제조방법 및 성형재료 |
-
1995
- 1995-09-06 US US08/523,928 patent/US5666635A/en not_active Expired - Lifetime
- 1995-09-12 TW TW084109510A patent/TW290697B/zh not_active IP Right Cessation
- 1995-09-14 DE DE69511202T patent/DE69511202T2/de not_active Expired - Lifetime
- 1995-09-14 EP EP95306507A patent/EP0706190B1/en not_active Expired - Lifetime
- 1995-09-14 AT AT95306507T patent/ATE183016T1/de not_active IP Right Cessation
- 1995-10-05 CN CN95117263A patent/CN1120507C/zh not_active Expired - Lifetime
- 1995-10-06 KR KR1019950034256A patent/KR100202161B1/ko not_active Expired - Lifetime
- 1995-10-06 RU RU95117066A patent/RU2112627C1/ru active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI413135B (zh) * | 2004-10-19 | 2013-10-21 | Shinetsu Chemical Co | 稀土永久磁鐵材料及其製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100202161B1 (ko) | 1999-06-15 |
| DE69511202T2 (de) | 2000-04-06 |
| EP0706190A1 (en) | 1996-04-10 |
| EP0706190B1 (en) | 1999-08-04 |
| CN1120507C (zh) | 2003-09-03 |
| CN1130289A (zh) | 1996-09-04 |
| DE69511202D1 (de) | 1999-09-09 |
| RU2112627C1 (ru) | 1998-06-10 |
| KR960015612A (ko) | 1996-05-22 |
| ATE183016T1 (de) | 1999-08-15 |
| US5666635A (en) | 1997-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW290697B (enExample) | ||
| KR0131060B1 (en) | R-fe-b permanent magnet material & processing method | |
| EP1014393B1 (en) | Rare earth/iron/boron-based permanent magnet and method for the preparation thereof | |
| EP0242187A1 (en) | Permanent magnet and method of producing same | |
| CA2139157A1 (en) | Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets | |
| EP0416098B1 (en) | Magnetically anisotropic sintered magnets | |
| Wallace et al. | High energy magnets from PrCo 5 | |
| EP0592672A4 (en) | Method of producing anisotropic ferrite magnet, anisotropic ferrite magnet, hexagonal ferrite particles, and method for producing them | |
| Kim | High coercivity Nd‐Fe‐B magnets with lower dysprosium content | |
| Kaneko et al. | Research on high performance Nd Fe B sintered magnets | |
| Moosa et al. | The structure and magnetic properties of Nd Fe B magnets produced by conventional and hydrogen decrepitation routes | |
| JPS644403A (en) | Production of magnetic power for resin bonded rare earth-iron permanent alloy | |
| Hinz et al. | Microstructure and magnetic properties of anisotropic NdFeB powders from hot rolled ingots by HD process | |
| KR930011237B1 (ko) | 이상혼합형 희토류계 영구자석의 제조방법 | |
| Jurczyk | Anisotropic Nd Fe Co Zr B powders prepared by the HDDR process | |
| Iwamura et al. | Microstructures and Magnetic Properties of Hot-Rolled Nd--Fe--B Magnets | |
| EP0338597A3 (en) | Permanent magnets | |
| JP3171640B2 (ja) | 磁石の製造方法および磁石粉末の製造方法 | |
| JPS5589463A (en) | Manufacturing method of intermetallic compound magnet | |
| KR970009409B1 (ko) | 소결자석용 사마리움-철계 영구자석 재료의 제조방법 | |
| JP3103219B2 (ja) | マグネットロールとその製造方法 | |
| JP2577373B2 (ja) | 焼結型永久磁石 | |
| JPS5496421A (en) | Permanent magnet material | |
| JP3101800B2 (ja) | 異方性焼結永久磁石の製造方法 | |
| Panchanathan | Nd-Fe-B powders for bonded magnets--an overview |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK4A | Expiration of patent term of an invention patent |