ATE183016T1 - Verfahren zur herstellung von r-fe-b- dauermagneten - Google Patents

Verfahren zur herstellung von r-fe-b- dauermagneten

Info

Publication number
ATE183016T1
ATE183016T1 AT95306507T AT95306507T ATE183016T1 AT E183016 T1 ATE183016 T1 AT E183016T1 AT 95306507 T AT95306507 T AT 95306507T AT 95306507 T AT95306507 T AT 95306507T AT E183016 T1 ATE183016 T1 AT E183016T1
Authority
AT
Austria
Prior art keywords
ground
powders
koe
grinding
magnetic field
Prior art date
Application number
AT95306507T
Other languages
English (en)
Inventor
Yuji Kaneko
Naoyuki Ishigaki
Original Assignee
Sumitomo Spec Metals
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP6270618A external-priority patent/JPH08111307A/ja
Priority claimed from JP27061994A external-priority patent/JP3459477B2/ja
Priority claimed from JP33169894A external-priority patent/JP3777199B2/ja
Priority claimed from JP33169994A external-priority patent/JP3383448B2/ja
Application filed by Sumitomo Spec Metals filed Critical Sumitomo Spec Metals
Application granted granted Critical
Publication of ATE183016T1 publication Critical patent/ATE183016T1/de

Links

Classifications

    • 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
    • B22F3/004—Filling molds with powder
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Compounds Of Iron (AREA)
AT95306507T 1994-10-07 1995-09-14 Verfahren zur herstellung von r-fe-b- dauermagneten ATE183016T1 (de)

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
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
JP33169994A JP3383448B2 (ja) 1994-12-09 1994-12-09 Ｒ−Ｆｅ−Ｂ系永久磁石材料の製造方法

Publications (1)

Publication Number Publication Date
ATE183016T1 true ATE183016T1 (de) 1999-08-15

Family

ID=27478890

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95306507T ATE183016T1 (de) 1994-10-07 1995-09-14 Verfahren zur herstellung von r-fe-b- dauermagneten

Country Status (8)

Country Link
US (1) US5666635A (de)
EP (1) EP0706190B1 (de)
KR (1) KR100202161B1 (de)
CN (1) CN1120507C (de)
AT (1) ATE183016T1 (de)
DE (1) DE69511202T2 (de)
RU (1) RU2112627C1 (de)
TW (1) TW290697B (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999054892A1 (fr) * 1998-04-22 1999-10-28 Sumitomo Special Metals Co., Ltd. PROCEDE DE PRODUCTION D'UN AIMANT PERMANENT R-Fe-B, AGENT LUBRIFIANT ET AGENT DE LIBERATION UTILISES DANS SON FAÇONNAGE
DE10042357B4 (de) * 1999-08-30 2009-04-09 Hitachi Metals, Ltd. Verfahren zur Herstellung eines Sintermagneten vom R-Fe-B-Typ, und Verfahren zur Herstellung eines Legierungspulver-Materials für einen Sintermagneten vom R-Fe-B-Typ
KR100562681B1 (ko) 2000-05-24 2006-03-23 가부시키가이샤 네오맥스 복수의 강자성상을 포함하는 영구자석 및 그 제조방법
EP1338359B1 (de) * 2000-10-06 2007-11-21 Santoku Corporation Verfahren zur herstellung einer rohlegierung durch bandgiessen für dauermagnete aus nanoverbundwerkstoff
US7217328B2 (en) * 2000-11-13 2007-05-15 Neomax Co., Ltd. Compound for rare-earth bonded magnet and bonded magnet using the compound
US6790296B2 (en) 2000-11-13 2004-09-14 Neomax Co., Ltd. Nanocomposite magnet and method for producing same
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
AU2002241342A1 (en) * 2001-03-30 2002-10-15 Sumitomo Special Metals Co., Ltd. Rare earth alloy sintered compact and method of making the same
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
CN1220990C (zh) * 2001-07-31 2005-09-28 株式会社新王磁材 使用喷雾法的纳米复合磁体制造方法
EP1447827A4 (de) * 2001-10-31 2011-03-02 Hitachi Metals Ltd Herstellungsverfahren und pressenvorrichtung für permanentmagneten
DE60213642T2 (de) * 2001-11-22 2006-12-07 Neomax Co., Ltd. Nanozusammensetzungsmagnet
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
KR100524827B1 (ko) * 2003-04-02 2005-11-01 자화전자 주식회사 희토류자석 제조의 고이방화 종축 성형방법 및 그 장치
US7390369B2 (en) * 2003-04-22 2008-06-24 Neomax Co., Ltd. Method for producing rare earth based alloy powder and method for producing rare earth based sintered magnet
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
BRPI0506147B1 (pt) * 2004-10-19 2020-10-13 Shin-Etsu Chemical Co., Ltd método para preparar um material de ímã permanente de terra rara
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
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
WO2014205002A2 (en) 2013-06-17 2014-12-24 Miha Zakotnik Magnet recycling to create nd-fe-b magnets with improved or restored magnetic performance
JP2017511605A (ja) * 2014-03-28 2017-04-20 マグネットノーツ、リミテッド 磁性組成物を適用するための回転プロセス
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
CN110323022A (zh) * 2019-07-24 2019-10-11 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

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EP0633581B1 (de) * 1993-07-06 1998-04-22 Sumitomo Special Metals Company Limited R-Fe-B Dauermagnetmaterialien und ihre Herstellungsverfahren
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US5486224A (en) * 1993-12-28 1996-01-23 Sumitomo Metal Industries, Ltd. Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets

Also Published As

Publication number Publication date
CN1130289A (zh) 1996-09-04
EP0706190B1 (de) 1999-08-04
US5666635A (en) 1997-09-09
EP0706190A1 (de) 1996-04-10
DE69511202D1 (de) 1999-09-09
RU2112627C1 (ru) 1998-06-10
KR960015612A (ko) 1996-05-22
TW290697B (de) 1996-11-11
CN1120507C (zh) 2003-09-03
DE69511202T2 (de) 2000-04-06
KR100202161B1 (ko) 1999-06-15

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