FI946137A0 - 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

Info

Publication number
FI946137A0
FI946137A0 FI946137A FI946137A FI946137A0 FI 946137 A0 FI946137 A0 FI 946137A0 FI 946137 A FI946137 A FI 946137A FI 946137 A FI946137 A FI 946137A FI 946137 A0 FI946137 A0 FI 946137A0
Authority
FI
Finland
Prior art keywords
iron
rare earth
permanent magnets
containing rare
single compression
Prior art date
Application number
FI946137A
Other languages
English (en)
Swedish (sv)
Other versions
FI946137A (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 FI946137A publication Critical patent/FI946137A/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 FI946137A (fi)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FI946137A0 true FI946137A0 (fi) 1994-12-28
FI946137A FI946137A (fi) 1995-06-29

Family

ID=26541456

Family Applications (1)

Application Number Title Priority Date Filing Date
FI946137A FI946137A (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 (fi)
EP (1) EP0669628B1 (fi)
KR (1) KR100187611B1 (fi)
CN (1) CN1045680C (fi)
CA (1) CA2139157C (fi)
DE (1) DE69409357T2 (fi)
FI (1) FI946137A (fi)
TW (1) TW278190B (fi)

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
EP0991086B1 (en) * 1998-04-22 2009-07-15 Hitachi Metals, Limited METHOD FOR PRODUCING R-Fe-B PERMANENT MAGNET, LUBRICATING AGENT AND RELEASE AGENT FOR USE IN SHAPING THE SAME
CN1167086C (zh) * 1999-08-30 2004-09-15 住友特殊金属株式会社 R-Fe-B型烧结磁体的生产方法、该磁体的合金粉材料制法及保存法
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
EP1749599B1 (en) * 2004-04-30 2015-09-09 Hitachi Metals, Ltd. Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet
TWI413136B (zh) * 2005-03-23 2013-10-21 Shinetsu Chemical Co 稀土族永久磁體
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
US9044834B2 (en) 2013-06-17 2015-06-02 Urban Mining Technology Company Magnet recycling to create Nd—Fe—B magnets with improved or restored magnetic performance
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
CN108140461A (zh) * 2015-07-31 2018-06-08 日东电工株式会社 稀土类磁体形成用烧结体和稀土类烧结磁体
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
CN1007847B (zh) * 1984-12-24 1990-05-02 住友特殊金属株式会社 制造具有改进耐蚀性磁铁的方法
USRE34838E (en) * 1984-12-31 1995-01-31 Tdk Corporation Permanent magnet and method for producing same
JPS63138706A (ja) * 1986-12-01 1988-06-10 Tdk Corp 永久磁石の製造方法
JP2665590B2 (ja) * 1987-06-19 1997-10-22 住友特殊金属株式会社 希土類―鉄―ボロン系磁気異方性焼結永久磁石原料用合金薄板並びに磁気異方性焼結永久磁石原料用合金粉末,及び磁気異方性焼結永久磁石
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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
JPH04124202A (ja) * 1990-09-12 1992-04-24 Kawasaki Steel Corp 希土類系永久磁石用合金粉末の成型助剤
JP2915560B2 (ja) * 1990-11-27 1999-07-05 信越化学工業株式会社 希土類鉄系永久磁石の製造方法
JPH04191392A (ja) * 1990-11-27 1992-07-09 Kawasaki Steel Corp 耐食性に優れた表面処理鋼板
JPH04214804A (ja) * 1991-02-28 1992-08-05 Sumitomo Special Metals Co Ltd 希土類・鉄・ボロン系永久磁石用合金粉末の成型方法
JPH04214803A (ja) * 1991-02-28 1992-08-05 Sumitomo Special Metals Co Ltd 希土類・鉄・ボロン系永久磁石用合金粉末の成型方法
US5393445A (en) * 1991-12-26 1995-02-28 Daido Tokushuko Kabushiki Kaisha Rare-earth bonded magnet, material and method for manufacturing the same
JP3932143B2 (ja) * 1992-02-21 2007-06-20 Tdk株式会社 磁石の製造方法
DE69307172T2 (de) * 1992-03-16 1997-04-24 Kawasaki Steel Co Bindersystem für den Gebrauch beim Spritzgiessen von sinterfähigen Pulvern und dieses Bindersystem enthaltende Formmasse
US5427734A (en) * 1992-06-24 1995-06-27 Sumitomo Special Metals Co., Ltd. Process for preparing R-Fe-B type sintered magnets employing the injection molding method

Also Published As

Publication number Publication date
EP0669628B1 (en) 1998-04-01
US5486224A (en) 1996-01-23
CA2139157A1 (en) 1995-06-29
FI946137A (fi) 1995-06-29
CA2139157C (en) 1999-06-22
KR100187611B1 (ko) 1999-06-01
TW278190B (fi) 1996-06-11
CN1045680C (zh) 1999-10-13
CN1109999A (zh) 1995-10-11
KR950017007A (ko) 1995-07-20
DE69409357T2 (de) 1998-10-29
EP0669628A1 (en) 1995-08-30
US5527504A (en) 1996-06-18
DE69409357D1 (de) 1998-05-07

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