[go: up one dir, main page]

ES2009404A6 - Procedimiento para a obtencion de particulas magneticas ultrafinas de nd-fe-b de diferentes tamanos. - Google Patents

Procedimiento para a obtencion de particulas magneticas ultrafinas de nd-fe-b de diferentes tamanos.

Info

Publication number
ES2009404A6
ES2009404A6 ES8803592A ES8803592A ES2009404A6 ES 2009404 A6 ES2009404 A6 ES 2009404A6 ES 8803592 A ES8803592 A ES 8803592A ES 8803592 A ES8803592 A ES 8803592A ES 2009404 A6 ES2009404 A6 ES 2009404A6
Authority
ES
Spain
Prior art keywords
particles
various sizes
fine magnetic
obtain fine
different
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
Application number
ES8803592A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES8803592A priority Critical patent/ES2009404A6/es
Publication of ES2009404A6 publication Critical patent/ES2009404A6/es
Priority to US07/440,890 priority patent/US4983217A/en
Priority to CA002003715A priority patent/CA2003715A1/en
Priority to EP89500115A priority patent/EP0370939B1/en
Priority to DE89500115T priority patent/DE68909749D1/de
Priority to JP1306338A priority patent/JPH02243706A/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01F1/44—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)
  • 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)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE PARTICULAS MAGNETICAS ULTRAFINAS DE ND-FE-B DE DIFERENTES TAMAÑOS, CARACTERIZADO PORQUE SUPONE HACER REACCIONAR, EN DIFERENTES CONDICIONES CINETICAS, COMPUESTOS DE ND, FE Y B EN EL SENO DE MICROEMULSIONES FORMADAS POR AGUA, OLEO Y UN AGENTE TENSIOACTIVO EN DIFERENTES CONDICIONES TERMODINAMICAS.
ES8803592A 1988-11-24 1988-11-24 Procedimiento para a obtencion de particulas magneticas ultrafinas de nd-fe-b de diferentes tamanos. Expired ES2009404A6 (es)

Priority Applications (6)

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.
US07/440,890 US4983217A (en) 1988-11-24 1989-11-22 Process to obtain ultra fine magnetic Nd-Fe-B particles of various sizes
CA002003715A CA2003715A1 (en) 1988-11-24 1989-11-23 Process to obtain ultra fine magnetic nd-fe-b particles of various sizes
EP89500115A EP0370939B1 (en) 1988-11-24 1989-11-23 Process to obtain fine magnetic nd-fe-b particles of various sizes
DE89500115T DE68909749D1 (de) 1988-11-24 1989-11-23 Verfahren zur Herstellung von feinen magnetischen Nd-Fe-B-Partikeln mit verschiedenen Grössen.
JP1306338A JPH02243706A (ja) 1988-11-24 1989-11-24 超微細磁性Ｎｄ―Ｆｅ―Ｂ粒の製造方法

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
ES2009404A6 true ES2009404A6 (es) 1989-09-16

Family

ID=8259129

Family Applications (1)

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

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2083309A1 (es) * 1991-10-11 1996-04-01 Univ Santiago Compostela Procedimiento para la obtencion de aleaciones y oxidos magneticos de tama¦o ultrafino.
CN103317146A (zh) * 2013-07-09 2013-09-25 中国石油大学(华东) 水热法制备钕铁硼磁粉的方法

Families Citing this family (23)

* 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.
IT1270200B (it) 1994-06-09 1997-04-29 Ausimont Spa Preparazione di particelle ultra fini da microemulsioni di acqua in olio
IT1270199B (it) * 1994-06-09 1997-04-29 Ausimont Spa Preparazione di particelle miste ultrafini da microemulsioni di pepe
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
WO2000076699A1 (fr) * 1999-06-15 2000-12-21 Kimoto, Masaaki Poudre metallique composite ultrafine et procede de production de ladite poudre
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
US20070112243A1 (en) * 2005-08-11 2007-05-17 United States Of America As Represented By The Administrator Of The National Aeronautics And Spac Bimetallic Treatment System and its Application for Removal and Remediation of Polychlorinated Biphenyls (PCBs)
US8163972B2 (en) * 2005-08-11 2012-04-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Zero-valent metallic 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
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
WO1983002244A1 (en) * 1981-12-30 1983-07-07 Ercon Inc Noble metal flake powder composition and process
DE3587333T2 (de) * 1984-08-29 1993-08-12 Du Pont Verfahren zur herstellung von festen loesungen.
US4715890A (en) * 1986-10-17 1987-12-29 Ovonic Synthetic Materials Company, Inc. Method of preparing a magnetic material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2083309A1 (es) * 1991-10-11 1996-04-01 Univ Santiago Compostela Procedimiento para la obtencion de aleaciones y oxidos magneticos de tama¦o ultrafino.
CN103317146A (zh) * 2013-07-09 2013-09-25 中国石油大学(华东) 水热法制备钕铁硼磁粉的方法
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

Also Published As

Publication number Publication date
EP0370939B1 (en) 1993-10-06
EP0370939A2 (en) 1990-05-30
CA2003715A1 (en) 1990-05-24
JPH02243706A (ja) 1990-09-27
US4983217A (en) 1991-01-08
EP0370939A3 (en) 1990-12-27
DE68909749D1 (de) 1993-11-11

Similar Documents

Publication Publication Date Title
ES2009404A6 (es) Procedimiento para a obtencion de particulas magneticas ultrafinas de nd-fe-b de diferentes tamanos.
ES8507289A1 (es) Un metodo de fabricar un iman permanente anisotropo
ES448998A1 (es) Procedimiento de fabricacion de imanes anisotropos.
GB8317228D0 (en) Magnetizable adsorbents
ES386582A1 (es) Un metodo de fabricar un cuerpo permanentemente magnetiza- ble.
ES8705908A1 (es) Procedimiento para producir derivados quitosanicos en forma de complejos coordinados con iones ferrosos
JPS5659629A (en) Manufacture of high coercive force magnetic powder
ES446232A1 (es) Procedimiento para preparar fertilizantes.
UA27694C2 (uk) Іонообмінна смола для адсорбування і видалення суспендованих найдрібніших часток оксидів металів із ультрачистої і конденсатної води і спосіб адсорбування та видалення суспендованих найдрібніших часток оксидів металів із ультрачистої і конденсатної води (варіанти)
JPS55141530A (en) Reducing method of heavy metal ion
JPS5249651A (en) Process for treating waste water containing carbon
ATE106599T1 (de) Verfahren zum herstellen eines dauermagneten.
JPS5329223A (en) Permanent magnet material
JPS525494A (en) Ferromagnetic grit manufacturing process
JPS6448403A (en) Rare earth-iron-boron magnet powder and manufacture thereof
JPS5247175A (en) Magnetic brake device
SU424906A1 (ru) ВЫСОКОКОЭРЦИТИБНЫЙ СПЛАВ НА ОСНОВЕ ЖЕЛЕЗАg^ni^n 'iU^^ji:-^-^- :Si-^^ft--,•••:--ь -, ... ..;i-
JPS56153174A (en) Valve operated by magnetic force
JPS558468A (en) Permanent magnet alloy containing rare earth metal
JPS51148259A (en) Treatment method for waste water in steel industry
JPS52133076A (en) Reforming of aluminium sludge
JPS528915A (en) Magnetic alloy
GB1256606A (es)
JPS6433019A (en) Production of acicular alpha-iron oxyhydroxide
ES377414A1 (es) Metodo de reduccion de la fuerza coercitiva de un material magnetizable permanente.

Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2008-11-24

FD2A Announcement of lapse in spain

Effective date: 20160727