DE68909749D1 - Verfahren zur Herstellung von feinen magnetischen Nd-Fe-B-Partikeln mit verschiedenen Grössen. - Google Patents

Verfahren zur Herstellung von feinen magnetischen Nd-Fe-B-Partikeln mit verschiedenen Grössen.

Info

Publication number
DE68909749D1
DE68909749D1 DE89500115T DE68909749T DE68909749D1 DE 68909749 D1 DE68909749 D1 DE 68909749D1 DE 89500115 T DE89500115 T DE 89500115T DE 68909749 T DE68909749 T DE 68909749T DE 68909749 D1 DE68909749 D1 DE 68909749D1
Authority
DE
Germany
Prior art keywords
particles
production
different sizes
fine magnetic
fine
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.)
Expired - Lifetime
Application number
DE89500115T
Other languages
English (en)
Inventor
Quintela Manuel Arturo Lopez
Rey Jose Rivas
Solla Jose Quiben
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.)
Universidade de Santiago de Compostela
Original Assignee
Universidade de Santiago de Compostela
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 Universidade de Santiago de Compostela filed Critical Universidade de Santiago de Compostela
Application granted granted Critical
Publication of DE68909749D1 publication Critical patent/DE68909749D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • 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
    • 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
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H01F1/442—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a metal or alloy, e.g. Fe

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
DE89500115T 1988-11-24 1989-11-23 Verfahren zur Herstellung von feinen magnetischen Nd-Fe-B-Partikeln mit verschiedenen Grössen. Expired - Lifetime DE68909749D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES8803592A ES2009404A6 (es) 1988-11-24 1988-11-24 Procedimiento para a obtencion de particulas magneticas ultrafinas de nd-fe-b de diferentes tamanos.

Publications (1)

Publication Number Publication Date
DE68909749D1 true DE68909749D1 (de) 1993-11-11

Family

ID=8259129

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89500115T Expired - Lifetime DE68909749D1 (de) 1988-11-24 1989-11-23 Verfahren zur Herstellung von feinen magnetischen Nd-Fe-B-Partikeln mit verschiedenen Grössen.

Country Status (6)

Country Link
US (1) US4983217A (de)
EP (1) EP0370939B1 (de)
JP (1) JPH02243706A (de)
CA (1) CA2003715A1 (de)
DE (1) DE68909749D1 (de)
ES (1) ES2009404A6 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0327502A (ja) * 1989-03-07 1991-02-05 Seiko Instr Inc 希土類磁石微粉末の作製法
FR2659478B1 (fr) * 1990-03-12 1993-09-03 Vicat Ciments Composition magnetique et ses applications.
ES2083309B1 (es) * 1991-10-11 1997-03-16 Univ Santiago Compostela Procedimiento para la obtencion de aleaciones y oxidos magneticos de tamaño ultrafino.
IT1270199B (it) * 1994-06-09 1997-04-29 Ausimont Spa Preparazione di particelle miste ultrafini da microemulsioni di pepe
IT1270200B (it) * 1994-06-09 1997-04-29 Ausimont Spa Preparazione di particelle ultra fini da microemulsioni di acqua in olio
CN1054780C (zh) * 1994-10-20 2000-07-26 中国科学院山西煤炭化学研究所 金属表面活性剂相转移制包覆式超细粉体的方法
GB9703920D0 (en) * 1997-02-25 1997-04-16 Univ Southampton Method of preparing a porous metal
US6413489B1 (en) 1997-04-15 2002-07-02 Massachusetts Institute Of Technology Synthesis of nanometer-sized particles by reverse micelle mediated techniques
GB9819160D0 (en) * 1998-09-02 1998-10-28 City Tech Pellistor
JP4732645B2 (ja) * 1999-06-15 2011-07-27 丸山 稔 金属複合超微粒子の製造方法
JP3634730B2 (ja) * 2000-09-18 2005-03-30 三洋電機株式会社 色調補正回路および色相補正回路
US6664298B1 (en) 2001-10-02 2003-12-16 The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration Zero-valent metal emulsion for reductive dehalogenation of DNAPLs
WO2003088280A1 (en) * 2002-04-08 2003-10-23 Council Of Scientific And Industrial Research Process for the production of neodymium-iron-boron permanent magnet alloy powder
AU2003240788A1 (en) * 2002-05-29 2003-12-19 Nasa Contaminant removal from natural resources
US7048809B2 (en) * 2003-01-21 2006-05-23 Metglas, Inc. Magnetic implement having a linear BH loop
JP4525003B2 (ja) * 2003-06-06 2010-08-18 株式会社安川電機 永久磁石用粒子の製造方法
JP4518935B2 (ja) * 2004-12-21 2010-08-04 株式会社安川電機 永久磁石及びその製造方法
WO2007021640A2 (en) * 2005-08-11 2007-02-22 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Bimetallic treatment system and its application for removal and remediation of polychlorinated biphenyls (pcbs)
US20070213616A1 (en) * 2005-10-20 2007-09-13 Thomas Anderson Systems and methods for arteriotomy localization
US7842639B2 (en) * 2006-05-19 2010-11-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Mechanical alloying of a hydrogenation catalyst used for the remediation of contaminated compounds
EP2285407A4 (de) * 2008-05-16 2014-10-01 U S A As Representated By The Administrator Of The Nat Aeronautics And Space Administration Nullwertiges metallisches behandlungssystem und seine anwendung zur entfernung und dekontamination von polychlorierten biphenylen
CN103317146B (zh) * 2013-07-09 2015-09-30 中国石油大学(华东) 水热法制备钕铁硼磁粉的方法
RU2541259C1 (ru) * 2013-11-07 2015-02-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский национальный исследовательский технологический университет" (ФГБОУ ВПО "КНИТУ") Способ получения порошка, содержащего железо и алюминий, из водных растворов
CN103990808B (zh) * 2014-05-04 2016-12-07 常州大学 一种制备钕铁硼永磁纳米粒子的方法
CN106298146B (zh) * 2016-10-26 2018-06-05 山东大学 一种提高FeCoB/FeB磁性液体稳定性的新方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768994A (en) * 1971-03-15 1973-10-30 Owens Illinois Inc Gold powder
US4214893A (en) * 1977-11-07 1980-07-29 Nippon Columbia Kabushikikaisha Method of making a magnetic powder
US4394160A (en) * 1979-12-03 1983-07-19 Sperry Corporation Making magnetic powders
DE3176463D1 (en) * 1981-12-30 1987-10-29 Ercon Inc Noble metal flake powder composition and process
GR852069B (de) * 1984-08-29 1985-12-30 Du Pont
US4715890A (en) * 1986-10-17 1987-12-29 Ovonic Synthetic Materials Company, Inc. Method of preparing a magnetic material

Also Published As

Publication number Publication date
EP0370939B1 (de) 1993-10-06
EP0370939A3 (en) 1990-12-27
CA2003715A1 (en) 1990-05-24
ES2009404A6 (es) 1989-09-16
US4983217A (en) 1991-01-08
EP0370939A2 (de) 1990-05-30
JPH02243706A (ja) 1990-09-27

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