FI946137L - Jauheseos käytettäväksi yhteen puristukseen harvinaista maametallia ja rautaa sisältävien sintattujen kestomagneettien tuottamiseksi - Google Patents

Jauheseos käytettäväksi yhteen puristukseen harvinaista maametallia ja rautaa sisältävien sintattujen kestomagneettien tuottamiseksi Download PDF

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Publication number
FI946137L
FI946137L FI946137A FI946137A FI946137L FI 946137 L FI946137 L FI 946137L FI 946137 A FI946137 A FI 946137A FI 946137 A FI946137 A FI 946137A FI 946137 L FI946137 L FI 946137L
Authority
FI
Finland
Prior art keywords
iron
rare earth
permanent magnets
powder mixture
containing rare
Prior art date
Application number
FI946137A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI946137A7 (fi
FI946137A0 (fi
Inventor
Yoshihisa Kishimoto
Nobushige Hiraishi
Wataru Takahashi
Masakazu Ohkita
Naoyuki Ishigaki
Yutaka Matsuura
Original Assignee
Sumitomo Metal Ind
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
Application filed by Sumitomo Metal Ind, Sumitomo Spec Metals filed Critical Sumitomo Metal Ind
Publication of FI946137A0 publication Critical patent/FI946137A0/fi
Publication of FI946137A7 publication Critical patent/FI946137A7/fi
Publication of FI946137L publication Critical patent/FI946137L/fi

Links

Classifications

    • 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
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • 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
    • H01F1/0575Alloys 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
    • H01F1/0577Alloys 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
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/0433Nickel- or cobalt-based alloys
    • C22C1/0441Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
FI946137A 1993-12-28 1994-12-28 Jauheseos käytettäväksi yhteen puristukseen harvinaista maametallia ja rautaa sisältävien sintattujen kestomagneettien tuottamiseksi FI946137L (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP33540693 1993-12-28
JP25390494 1994-10-19

Publications (3)

Publication Number Publication Date
FI946137A0 FI946137A0 (fi) 1994-12-28
FI946137A7 FI946137A7 (fi) 1995-06-29
FI946137L true FI946137L (fi) 1995-06-29

Family

ID=26541456

Family Applications (1)

Application Number Title Priority Date Filing Date
FI946137A FI946137L (fi) 1993-12-28 1994-12-28 Jauheseos käytettäväksi yhteen puristukseen harvinaista maametallia ja rautaa sisältävien sintattujen kestomagneettien tuottamiseksi

Country Status (8)

Country Link
US (2) US5486224A (cs)
EP (1) EP0669628B1 (cs)
KR (1) KR100187611B1 (cs)
CN (1) CN1045680C (cs)
CA (1) CA2139157C (cs)
DE (1) DE69409357T2 (cs)
FI (1) FI946137L (cs)
TW (1) TW278190B (cs)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666635A (en) * 1994-10-07 1997-09-09 Sumitomo Special Metals Co., Ltd. Fabrication methods for R-Fe-B permanent magnets
US5819154A (en) * 1995-12-08 1998-10-06 Hitachi Powdered Metal Co., Ltd. Manufacturing process of sintered iron alloy improved in machinability, mixed powder for manufacturing, modification of iron alloy and iron alloy product
DE69941106D1 (de) * 1998-04-22 2009-08-27 Hitachi Metals Ltd Herstellungsverfahren eines r-fe-b dauermagnets, schmiermittel und trennmittel zur anwendung in die formgebung
US6344168B1 (en) * 1999-08-30 2002-02-05 Sumitomo Special Metals Co., Ltd. Method of producing R-Fe-B type sintered magnet, method of preparing alloy powder material for R-Fe-B type sintered magnet, and method of preserving the same
US6482353B1 (en) * 1999-11-12 2002-11-19 Sumitomo Special Metals Co., Ltd. Method for manufacturing rare earth magnet
US6659825B2 (en) 2001-06-04 2003-12-09 Jonathan G. Foss Self-inflating child floatation device
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
MY142088A (en) * 2005-03-23 2010-09-15 Shinetsu Chemical Co Rare earth permanent magnet
DE102005027767A1 (de) * 2005-06-15 2006-12-28 Infineon Technologies Ag Integriertes magnetisches Sensorbauteil
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
CN102136329A (zh) * 2011-04-01 2011-07-27 钢铁研究总院 一种铁基复合软磁材料及其制备方法
JP5908247B2 (ja) * 2011-09-30 2016-04-26 日東電工株式会社 永久磁石の製造方法
CN103093921B (zh) 2013-01-29 2016-08-24 烟台首钢磁性材料股份有限公司 一种r-t-b-m-c系烧结磁铁及其制造方法及专用装置
CN103258634B (zh) * 2013-05-30 2015-11-25 烟台正海磁性材料股份有限公司 一种制备高性能R-Fe-B系烧结磁体方法
TW201517075A (zh) 2013-06-17 2015-05-01 Urban Mining Technology Company 再生磁鐵以產生具有改善或恢復磁性性能的 nd-fe-b 磁鐵
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
EP3330978A4 (en) * 2015-07-31 2019-04-10 Nitto Denko Corporation SINTER BODY FOR THE PRODUCTION OF A RARE-DAMAGED AND SINTERED RARE-EDGE MAGNET
CN111243848B (zh) * 2020-02-28 2022-01-04 安徽大地熊新材料股份有限公司 一种烧结钕铁硼磁体及其制备方法
CN113571280B (zh) * 2021-07-23 2024-02-13 包头天和磁材科技股份有限公司 钕铁硼磁体粗粉助剂及制备方法、用途和磁体的制备方法

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JPS54148297A (en) * 1978-05-15 1979-11-20 Mitsubishi Steel Mfg Heattproof composite magnet and method of making same
JPS5763601A (en) * 1980-10-01 1982-04-17 Dainippon Ink & Chem Inc Ferromagnetic metallic powder and its manufacture
JPS5932881B2 (ja) * 1980-10-09 1984-08-11 大日本インキ化学工業株式会社 強磁性金属粉末の製造方法
JPS5964733A (ja) * 1982-09-27 1984-04-12 Sumitomo Special Metals Co Ltd 永久磁石
JPS5946008A (ja) * 1982-08-21 1984-03-15 Sumitomo Special Metals Co Ltd 永久磁石
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
JPS59227730A (ja) * 1983-06-06 1984-12-21 Ube Ind Ltd 磁性粉末の製造法
DE3411852C2 (de) * 1984-03-30 1986-04-24 Bernhard Förster GmbH, 7530 Pforzheim Zahnregulierungsvorrichtung
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JPH0452203A (ja) * 1990-06-19 1992-02-20 Kawasaki Steel Corp 希土類系永久磁石用合金粉末の成型助剤
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Also Published As

Publication number Publication date
DE69409357D1 (de) 1998-05-07
US5527504A (en) 1996-06-18
CA2139157A1 (en) 1995-06-29
US5486224A (en) 1996-01-23
FI946137A7 (fi) 1995-06-29
CA2139157C (en) 1999-06-22
CN1045680C (zh) 1999-10-13
TW278190B (cs) 1996-06-11
DE69409357T2 (de) 1998-10-29
KR100187611B1 (ko) 1999-06-01
EP0669628B1 (en) 1998-04-01
CN1109999A (zh) 1995-10-11
KR950017007A (ko) 1995-07-20
FI946137A0 (fi) 1994-12-28
EP0669628A1 (en) 1995-08-30

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