KR101036968B1 - R-t-b계 합금 및 그 제조 방법, r-t-b계 희토류 영구자석용 미분말 및 r-t-b계 희토류 영구 자석 - Google Patents

R-t-b계 합금 및 그 제조 방법, r-t-b계 희토류 영구자석용 미분말 및 r-t-b계 희토류 영구 자석 Download PDF

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KR101036968B1
KR101036968B1 KR1020087021142A KR20087021142A KR101036968B1 KR 101036968 B1 KR101036968 B1 KR 101036968B1 KR 1020087021142 A KR1020087021142 A KR 1020087021142A KR 20087021142 A KR20087021142 A KR 20087021142A KR 101036968 B1 KR101036968 B1 KR 101036968B1
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South Korea
Prior art keywords
alloy
phase
rare earth
earth permanent
permanent magnet
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KR1020087021142A
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English (en)
Korean (ko)
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KR20080106211A (ko
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겐이찌로 나까지마
히로시 하세가와
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쇼와 덴코 가부시키가이샤
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0611Continuous 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
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/02Making ferrous alloys by powder metallurgy
    • C22C33/0257Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278Making 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%
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/041Making 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/044Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by jet milling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00Aspects linked to processes or compositions used in powder metallurgy
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/058Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets 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
    • H01F1/04Magnets 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
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/059Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2

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  • 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)
KR1020087021142A 2007-02-05 2008-01-28 R-t-b계 합금 및 그 제조 방법, r-t-b계 희토류 영구자석용 미분말 및 r-t-b계 희토류 영구 자석 KR101036968B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2007-00025504 2007-02-05
JP2007025504 2007-02-05

Publications (2)

Publication Number Publication Date
KR20080106211A KR20080106211A (ko) 2008-12-04
KR101036968B1 true KR101036968B1 (ko) 2011-05-25

Family

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Application Number Title Priority Date Filing Date
KR1020087021142A KR101036968B1 (ko) 2007-02-05 2008-01-28 R-t-b계 합금 및 그 제조 방법, r-t-b계 희토류 영구자석용 미분말 및 r-t-b계 희토류 영구 자석

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019212102A1 (ko) * 2018-04-30 2019-11-07 성림첨단산업(주) 희토류 영구자석의 제조방법

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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

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WO2003001541A1 (fr) * 2001-06-22 2003-01-03 Sumitomo Special Metals Co., Ltd. Aimant des terres rares et procede de production dudit aimant

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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
JP4787459B2 (ja) * 2000-10-06 2011-10-05 株式会社三徳 ストリップキャスト法を用いたナノコンポジット型永久磁石用原料合金の製造方法
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
JP4389427B2 (ja) * 2002-02-05 2009-12-24 日立金属株式会社 希土類−鉄−硼素系磁石用合金粉末を用いた焼結磁石
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
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Publication number Priority date Publication date Assignee Title
WO2019212102A1 (ko) * 2018-04-30 2019-11-07 성림첨단산업(주) 희토류 영구자석의 제조방법
US11897034B2 (en) 2018-04-30 2024-02-13 Star Group Ind. Co., Ltd Method for manufacturing rare earth permanent magnet

Also Published As

Publication number Publication date
RU2008135113A (ru) 2010-03-10
EP1988183A4 (en) 2012-01-25
JP2008214747A (ja) 2008-09-18
RU2389097C1 (ru) 2010-05-10
WO2008096621A1 (ja) 2008-08-14
CN101541996A (zh) 2009-09-23
TW200903532A (en) 2009-01-16
US20090035170A1 (en) 2009-02-05
KR20080106211A (ko) 2008-12-04
EP1988183A1 (en) 2008-11-05

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