HK1007830A1 - Fine-grained anisotropic powder from melt-spun ribbons - Google Patents

Fine-grained anisotropic powder from melt-spun ribbons

Info

Publication number
HK1007830A1
HK1007830A1 HK98106933A HK98106933A HK1007830A1 HK 1007830 A1 HK1007830 A1 HK 1007830A1 HK 98106933 A HK98106933 A HK 98106933A HK 98106933 A HK98106933 A HK 98106933A HK 1007830 A1 HK1007830 A1 HK 1007830A1
Authority
HK
Hong Kong
Prior art keywords
grained
melt
fine
anisotropic powder
spun ribbons
Prior art date
Application number
HK98106933A
Other languages
English (en)
Inventor
Viswanathan Panchanathan
John Joseph Croat
Gregory Paul Meisner
Original Assignee
Gen Motors Corp
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 Gen Motors Corp filed Critical Gen Motors Corp
Publication of HK1007830A1 publication Critical patent/HK1007830A1/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • 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
    • 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

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)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
HK98106933A 1992-06-22 1998-06-26 Fine-grained anisotropic powder from melt-spun ribbons HK1007830A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/903,067 US5314548A (en) 1992-06-22 1992-06-22 Fine grained anisotropic powder from melt-spun ribbons

Publications (1)

Publication Number Publication Date
HK1007830A1 true HK1007830A1 (en) 1999-04-23

Family

ID=25416889

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98106933A HK1007830A1 (en) 1992-06-22 1998-06-26 Fine-grained anisotropic powder from melt-spun ribbons

Country Status (6)

Country Link
US (1) US5314548A (xx)
EP (1) EP0576055B1 (xx)
JP (1) JP2898173B2 (xx)
DE (1) DE69302329T2 (xx)
HK (1) HK1007830A1 (xx)
SG (1) SG71679A1 (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580396A (en) * 1990-07-02 1996-12-03 Centre National De La Recherche Scientifique (Cnrs) Treatment of pulverant magnetic materials and products thus obtained
US5383978A (en) * 1992-02-15 1995-01-24 Santoku Metal Industry Co., Ltd. Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet
US5474623A (en) * 1993-05-28 1995-12-12 Rhone-Poulenc Inc. Magnetically anisotropic spherical powder and method of making same
US5788782A (en) * 1993-10-14 1998-08-04 Sumitomo Special Metals Co., Ltd. R-FE-B permanent magnet materials and process of producing the same
US5858123A (en) * 1995-07-12 1999-01-12 Hitachi Metals, Ltd. Rare earth permanent magnet and method for producing the same
JP2881409B2 (ja) * 1996-10-28 1999-04-12 愛知製鋼株式会社 異方性磁石粉末の製造方法
US6332933B1 (en) * 1997-10-22 2001-12-25 Santoku Corporation Iron-rare earth-boron-refractory metal magnetic nanocomposites
US5985992A (en) * 1997-12-10 1999-11-16 Cytec Technology Corp. Anionic polymer products and processes
DE10255604B4 (de) * 2002-11-28 2006-06-14 Vacuumschmelze Gmbh & Co. Kg Verfahren zum Herstellen eines anisotropen Magnetpulvers und eines gebundenen anisotropen Magneten daraus
WO2005015580A1 (ja) * 2003-08-12 2005-02-17 Neomax Co., Ltd. Ｒ－ｔ－ｂ系焼結磁石および希土類合金
JP4179973B2 (ja) 2003-11-18 2008-11-12 Ｔｄｋ株式会社 焼結磁石の製造方法
GB0423737D0 (en) * 2004-10-26 2004-11-24 Less Common Metals Ltd Method of reducing the free iron phase in iron containing rare earth-transition metal-boron type alloys
JP4766453B2 (ja) * 2005-03-16 2011-09-07 Ｔｄｋ株式会社 希土類永久磁石
US20070243820A1 (en) * 2006-04-18 2007-10-18 O'hagin Carolina Automatic roof ventilation system
US20110173577A1 (en) * 2008-02-01 2011-07-14 International Business Machines Corporation Techniques for Pattern Process Tuning and Design Optimization for Maximizing Process-Sensitive Circuit Yields
JP2010182827A (ja) * 2009-02-04 2010-08-19 Toyota Motor Corp 高保磁力ＮｄＦｅＢＧａ磁石の製造法
CN102107274B (zh) * 2009-12-25 2014-10-22 北京中科三环高技术股份有限公司 一种连续熔炼甩带氢化的装置与方法
CN101894646A (zh) * 2010-07-14 2010-11-24 麦格昆磁（天津）有限公司 高性能的各向异性磁性材料及其制备方法
DE102012200850A1 (de) * 2012-01-20 2013-07-25 Robert Bosch Gmbh Verfahren zur Herstellung eines magnetischen Materials und Permanentmagnet
CN103506626B (zh) * 2013-10-22 2015-07-08 宁波科田磁业有限公司 一种提高烧结钕铁硼磁体矫顽力的制造方法
CN111020400A (zh) * 2019-12-13 2020-04-17 安徽省宁国市宁辉耐磨材料有限公司 一种耐磨球的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4851058A (en) * 1982-09-03 1989-07-25 General Motors Corporation High energy product rare earth-iron magnet alloys
EP0108474B2 (en) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B alloys, method for their production and permanent magnets containing such alloys
US5056585A (en) * 1982-09-03 1991-10-15 General Motors Corporation High energy product rare earth-iron magnet alloys
JPS61270316A (ja) * 1985-05-27 1986-11-29 Namiki Precision Jewel Co Ltd 樹脂結合永久磁石用原料粉体の製造方法
JPS62276803A (ja) * 1985-08-13 1987-12-01 Seiko Epson Corp 希土類−鉄系永久磁石
EP0302947B1 (en) * 1987-03-02 1994-06-08 Seiko Epson Corporation Rare earth element-iron base permanent magnet and process for its production
US4842656A (en) * 1987-06-12 1989-06-27 General Motors Corporation Anisotropic neodymium-iron-boron powder with high coercivity
EP0304054B1 (en) * 1987-08-19 1994-06-08 Mitsubishi Materials Corporation Rare earth-iron-boron magnet powder and process of producing same

Also Published As

Publication number Publication date
JPH06220502A (ja) 1994-08-09
EP0576055A1 (en) 1993-12-29
SG71679A1 (en) 2000-04-18
DE69302329D1 (de) 1996-05-30
DE69302329T2 (de) 1996-09-19
JP2898173B2 (ja) 1999-05-31
EP0576055B1 (en) 1996-04-24
US5314548A (en) 1994-05-24

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)