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DE10291914T1 - Vorrichtung, um eine Seltenerdmetall-Legierung einem Hydrierungsverfahren zu unterziehen und Verfahren zur Herstellung eines Seltenerdmetall-Sintermagneten unter Verwendung der Vorrichtung - Google Patents

Vorrichtung, um eine Seltenerdmetall-Legierung einem Hydrierungsverfahren zu unterziehen und Verfahren zur Herstellung eines Seltenerdmetall-Sintermagneten unter Verwendung der Vorrichtung

Info

Publication number
DE10291914T1
DE10291914T1 DE10291914T DE10291914T DE10291914T1 DE 10291914 T1 DE10291914 T1 DE 10291914T1 DE 10291914 T DE10291914 T DE 10291914T DE 10291914 T DE10291914 T DE 10291914T DE 10291914 T1 DE10291914 T1 DE 10291914T1
Authority
DE
Germany
Prior art keywords
rare earth
hydrogenating
manufacturing
sintered magnet
alloy
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.)
Granted
Application number
DE10291914T
Other languages
English (en)
Other versions
DE10291914B3 (de
Inventor
Akihito Tsujimoto
Katsumi Okayama
Shinji Kidowaki
Tadayoshi Muneto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Proterial Ltd
Original Assignee
Sumitomo Special Metals Co Ltd
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
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Publication of DE10291914T1 publication Critical patent/DE10291914T1/de
Application granted granted Critical
Publication of DE10291914B3 publication Critical patent/DE10291914B3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/023—Hydrogen absorption
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • 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
    • H01F1/0553—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 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
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
    • 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
    • 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
    • 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
    • H01F1/06—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 in the form of particles, e.g. powder
    • H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/086—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 in the form of particles, e.g. powder pressed, sintered, or bound together sintered

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
DE10291914T 2001-06-29 2002-06-25 Vorrichtung, um eine Seltenerdmetall-Legierung einem Hydrierungsverfahren zu unterziehen Expired - Lifetime DE10291914B3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001198202 2001-06-29
JP2001-198202 2001-06-29
PCT/JP2002/006369 WO2003002287A1 (en) 2001-06-29 2002-06-25 Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using the apparatus

Publications (2)

Publication Number Publication Date
DE10291914T1 true DE10291914T1 (de) 2003-06-12
DE10291914B3 DE10291914B3 (de) 2013-03-28

Family

ID=19035689

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10291914T Expired - Lifetime DE10291914B3 (de) 2001-06-29 2002-06-25 Vorrichtung, um eine Seltenerdmetall-Legierung einem Hydrierungsverfahren zu unterziehen

Country Status (4)

Country Link
US (1) US7018485B2 (de)
CN (1) CN1191903C (de)
DE (1) DE10291914B3 (de)
WO (1) WO2003002287A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1457998A4 (de) * 2001-12-19 2009-06-17 Hitachi Metals Ltd Seltenerdelement-eisenborlegierung und magnetisch anisotropes permanentmagnetpulver und verfahren zu seiner herstellung
CN101240398B (zh) * 2007-02-07 2010-12-29 罗阳 金属间化合物各向异性磁粉，制备方法及专用设备
FI119765B (fi) * 2007-05-02 2009-03-13 Kone Corp Kuljetusjärjestelmän tehonsyöttölaitteisto
JP5544808B2 (ja) * 2009-09-29 2014-07-09 Ｔｄｋ株式会社 反応炉及び磁性材料用粉末の製造方法
WO2011122577A1 (ja) * 2010-03-30 2011-10-06 Tdk株式会社 希土類焼結磁石及びその製造方法、並びにモータ及び自動車
WO2014205002A2 (en) 2013-06-17 2014-12-24 Miha Zakotnik Magnet recycling to create nd-fe-b magnets with improved or restored magnetic performance
CN104296524A (zh) * 2013-07-16 2015-01-21 东阳市和顺磁业有限公司 一种高真空烧结炉
JP6221978B2 (ja) * 2014-07-25 2017-11-01 トヨタ自動車株式会社 希土類磁石の製造方法
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering
CN113560584B (zh) * 2021-08-24 2023-06-13 百琪达智能科技（宁波）股份有限公司 一种氢碎炉的主机结构

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2448714A1 (de) * 1974-10-12 1976-04-22 Robert Arnold Gray Verfahren zur behandlung von gegenstaenden unter vakuum mit gaszufuhr
CA1316375C (en) 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
US4792368A (en) 1982-08-21 1988-12-20 Sumitomo Special Metals Co., Ltd. Magnetic materials and permanent magnets
GB2201426B (en) * 1987-02-27 1990-05-30 Philips Electronic Associated Improved method for the manufacture of rare earth transition metal alloy magnets
US4760966A (en) * 1987-08-28 1988-08-02 The United States Of America As Represented By The Secretary Of The Army Method of comminuting rare earth magnet alloys into fine particles
EP0411571B1 (de) * 1989-07-31 1994-06-01 Mitsubishi Materials Corporation Seltenerdpulver für Dauermagnet, Herstellungsverfahren und Verbundmagnet
US5143560A (en) * 1990-04-20 1992-09-01 Hitachi Metals, Inc., Ltd. Method for forming Fe-B-R-T alloy powder by hydrogen decrepitation of die-upset billets
EP0556751B1 (de) 1992-02-15 1998-06-10 Santoku Metal Industry Co., Ltd. Legierungsblock für einen Dauermagnet, anisotropes Pulver für einen Dauermagnet, Verfahren zur Herstellung eines solchen und Dauermagneten
JPH06346113A (ja) 1993-06-14 1994-12-20 Matsushita Electric Ind Co Ltd 希土類−鉄−ボロン系異方性磁石粉末の製造方法
JPH07331304A (ja) 1993-12-28 1995-12-19 Aichi Steel Works Ltd 希土類系磁石粉末の製造装置
JP3242818B2 (ja) 1995-07-21 2001-12-25 昭和電工株式会社 希土類磁石用合金及びその製造方法
JPH1131610A (ja) * 1997-07-11 1999-02-02 Mitsubishi Materials Corp 磁気異方性に優れた希土類磁石粉末の製造方法
JP3120172B2 (ja) * 1997-12-22 2000-12-25 愛知製鋼株式会社 希土類系磁石粉末の製造装置
JP3120080B2 (ja) 1998-10-07 2000-12-25 住友特殊金属株式会社 希土類系磁性材料の水素粉砕方法並びに水素粉砕用ケース
US6247660B1 (en) 1998-10-07 2001-06-19 Sumitomo Special Metals Co., Ltd. Process for hydrogen-pulverizing a rare earth metal-based magnetic material, and hydrogen-pulverizing case
US6403024B1 (en) * 1999-02-19 2002-06-11 Sumitomo Special Metals Co., Ltd. Hydrogen pulverizer for rare-earth alloy magnetic material powder using the pulverizer, and method for producing magnet using the pulverizer
JP2000303107A (ja) 1999-02-19 2000-10-31 Sumitomo Special Metals Co Ltd 希土類系磁性材料のための水素粉砕装置および当該装置を用いた希土類系磁性材料粉末ならびに磁石の製造方法
JP3452254B2 (ja) * 2000-09-20 2003-09-29 愛知製鋼株式会社 異方性磁石粉末の製造方法、異方性磁石粉末の原料粉末およびボンド磁石

Also Published As

Publication number Publication date
WO2003002287A1 (en) 2003-01-09
US7018485B2 (en) 2006-03-28
DE10291914B3 (de) 2013-03-28
CN1460040A (zh) 2003-12-03
US20040000356A1 (en) 2004-01-01
CN1191903C (zh) 2005-03-09

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: NEOMAX CO., LTD., OSAKA, JP

8127 New person/name/address of the applicant

Owner name: HITACHI METALS, LTD., TOKIO/TOKYO, JP

8110 Request for examination paragraph 44
R016 Response to examination communication
R018 Grant decision by examination section/examining division
R020 Patent grant now final

Effective date: 20130629

R071 Expiry of right