EP1988183A4 - R-T-B ALLOY, METHOD OF MANUFACTURING THEREOF, FINE POWDER FOR A PERMANENT R-T-B RARE TERMINAL, AND PERMANENT R-T-B RARE-TERM DIAGNET - Google Patents

R-T-B ALLOY, METHOD OF MANUFACTURING THEREOF, FINE POWDER FOR A PERMANENT R-T-B RARE TERMINAL, AND PERMANENT R-T-B RARE-TERM DIAGNET

Info

Publication number
EP1988183A4
EP1988183A4 EP08703995A EP08703995A EP1988183A4 EP 1988183 A4 EP1988183 A4 EP 1988183A4 EP 08703995 A EP08703995 A EP 08703995A EP 08703995 A EP08703995 A EP 08703995A EP 1988183 A4 EP1988183 A4 EP 1988183A4
Authority
EP
European Patent Office
Prior art keywords
permanent magnet
rare earth
earth permanent
alloy
producing
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.)
Withdrawn
Application number
EP08703995A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1988183A1 (en
Inventor
Nakajima Kenichiro
Hasegawa Hiroshi
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Publication of EP1988183A1 publication Critical patent/EP1988183A1/en
Publication of EP1988183A4 publication Critical patent/EP1988183A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0611—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • 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
    • 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
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/041—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by mechanical alloying, e.g. blending, milling
    • 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
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/044—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by jet milling
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • 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
    • H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
    • 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
    • H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
EP08703995A 2007-02-05 2008-01-28 R-T-B ALLOY, METHOD OF MANUFACTURING THEREOF, FINE POWDER FOR A PERMANENT R-T-B RARE TERMINAL, AND PERMANENT R-T-B RARE-TERM DIAGNET Withdrawn EP1988183A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007025504 2007-02-05
PCT/JP2008/051186 WO2008096621A1 (ja) 2007-02-05 2008-01-28 Ｒ－ｔ－ｂ系合金とその製造方法、ｒ－ｔ－ｂ系希土類永久磁石用微粉、ｒ－ｔ－ｂ系希土類永久磁石

Publications (2)

Publication Number Publication Date
EP1988183A1 EP1988183A1 (en) 2008-11-05
EP1988183A4 true EP1988183A4 (en) 2012-01-25

Family

ID=39681532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08703995A Withdrawn EP1988183A4 (en) 2007-02-05 2008-01-28 R-T-B ALLOY, METHOD OF MANUFACTURING THEREOF, FINE POWDER FOR A PERMANENT R-T-B RARE TERMINAL, AND PERMANENT R-T-B RARE-TERM DIAGNET

Country Status (8)

Country Link
US (1) US20090035170A1 (zh)
EP (1) EP1988183A4 (zh)
JP (1) JP2008214747A (zh)
KR (1) KR101036968B1 (zh)
CN (1) CN101541996A (zh)
RU (1) RU2389097C1 (zh)
TW (1) TW200903532A (zh)
WO (1) WO2008096621A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102264932B (zh) * 2008-12-26 2013-12-04 昭和电工株式会社 R-t-b系稀土类永久磁铁用合金材料、r-t-b系稀土类永久磁铁的制造方法和电动机
JP2012015168A (ja) * 2010-06-29 2012-01-19 Showa Denko Kk Ｒ−ｔ−ｂ系希土類永久磁石、モーター、自動車、発電機、風力発電装置
JP5767788B2 (ja) * 2010-06-29 2015-08-19 昭和電工株式会社 Ｒ−ｔ−ｂ系希土類永久磁石、モーター、自動車、発電機、風力発電装置
JP5753481B2 (ja) * 2011-11-28 2015-07-22 中央電気工業株式会社 希土類系合金およびその製造方法
US10497497B2 (en) 2012-02-02 2019-12-03 Santoku Corporation R-T-B—Ga-based magnet material alloy and method of producing the same
CN104674115A (zh) 2013-11-27 2015-06-03 厦门钨业股份有限公司 一种低b的稀土磁铁
CN104952574A (zh) 2014-03-31 2015-09-30 厦门钨业股份有限公司 一种含W的Nd-Fe-B-Cu系烧结磁铁
CN105321647B (zh) 2014-07-30 2018-02-23 厦门钨业股份有限公司 稀土磁铁用急冷合金和稀土磁铁的制备方法
GB2536939A (en) * 2015-04-01 2016-10-05 Isis Innovation Method for designing alloys
WO2016155674A1 (zh) * 2015-04-02 2016-10-06 厦门钨业股份有限公司 一种含有Ho和W的稀土磁铁
JP6614084B2 (ja) * 2016-09-26 2019-12-04 信越化学工業株式会社 Ｒ−Ｆｅ−Ｂ系焼結磁石の製造方法
JP6863008B2 (ja) * 2017-03-30 2021-04-21 Tdk株式会社 Ｒ−ｔ−ｂ系希土類焼結磁石用合金およびｒ−ｔ−ｂ系希土類焼結磁石の製造方法
CN106920620A (zh) * 2017-04-05 2017-07-04 北京京磁电工科技有限公司 钕铁硼磁体及其制备方法
KR102045402B1 (ko) 2018-04-30 2019-11-15 성림첨단산업(주) 희토류 영구자석의 제조방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1338359A1 (en) * 2000-10-06 2003-08-27 Santoku Corporation Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet
US20040163737A1 (en) * 2001-06-22 2004-08-26 Hiroyuki Tomizawa Rare earth magnet and method for production thereof
EP1479787A1 (en) * 2002-02-05 2004-11-24 Neomax Co., Ltd. Sinter magnet made from rare earth-iron-boron alloy powder for magnet

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3721831B2 (ja) * 1999-03-11 2005-11-30 昭和電工株式会社 希土類磁石用合金及びその製造方法
JP3765793B2 (ja) * 2001-01-30 2006-04-12 株式会社Ｎｅｏｍａｘ 永久磁石の製造方法
EP1645648B1 (en) * 2001-03-30 2007-07-25 Neomax Co., Ltd. A rare earth alloy sintered compact
WO2005023462A1 (ja) * 2003-08-27 2005-03-17 Mitsubishi Materials Corporation 希土類磁石粉末およびその製造方法
US7585378B2 (en) * 2004-04-30 2009-09-08 Hitachi Metals, Ltd. Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet
WO2006100968A1 (ja) * 2005-03-18 2006-09-28 Ulvac, Inc. 成膜方法及び成膜装置並びに永久磁石及び永久磁石の製造方法
WO2006112403A1 (ja) * 2005-04-15 2006-10-26 Hitachi Metals, Ltd. 希土類焼結磁石とその製造方法
JP2006310660A (ja) * 2005-04-28 2006-11-09 Neomax Co Ltd 高電気抵抗ｒ−ｔ−ｂ系焼結磁石およびその製造方法
JP4832856B2 (ja) * 2005-10-31 2011-12-07 昭和電工株式会社 Ｒ−ｔ−ｂ系合金及びｒ−ｔ−ｂ系合金薄片の製造方法、ｒ−ｔ−ｂ系希土類永久磁石用微粉、ｒ−ｔ−ｂ系希土類永久磁石

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1338359A1 (en) * 2000-10-06 2003-08-27 Santoku Corporation Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet
US20040163737A1 (en) * 2001-06-22 2004-08-26 Hiroyuki Tomizawa Rare earth magnet and method for production thereof
EP1479787A1 (en) * 2002-02-05 2004-11-24 Neomax Co., Ltd. Sinter magnet made from rare earth-iron-boron alloy powder for magnet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008096621A1 *

Also Published As

Publication number Publication date
RU2008135113A (ru) 2010-03-10
JP2008214747A (ja) 2008-09-18
RU2389097C1 (ru) 2010-05-10
WO2008096621A1 (ja) 2008-08-14
CN101541996A (zh) 2009-09-23
KR101036968B1 (ko) 2011-05-25
TW200903532A (en) 2009-01-16
US20090035170A1 (en) 2009-02-05
KR20080106211A (ko) 2008-12-04
EP1988183A1 (en) 2008-11-05

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Inventor name: HIROSHI, HASEGAWAC/O SHOWA DENKO KK

Inventor name: KENICHIRO, NAKAJIMAC/O SHOWA DENKO KK

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