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EP1022078A3 - Verfahren und Vorrichtung zur Herstellung von Metallpulver durch Gasverdüsung - Google Patents

Verfahren und Vorrichtung zur Herstellung von Metallpulver durch Gasverdüsung Download PDF

Info

Publication number
EP1022078A3
EP1022078A3 EP00890013A EP00890013A EP1022078A3 EP 1022078 A3 EP1022078 A3 EP 1022078A3 EP 00890013 A EP00890013 A EP 00890013A EP 00890013 A EP00890013 A EP 00890013A EP 1022078 A3 EP1022078 A3 EP 1022078A3
Authority
EP
European Patent Office
Prior art keywords
metal powder
melt stream
preparing metal
case
melt
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.)
Granted
Application number
EP00890013A
Other languages
English (en)
French (fr)
Other versions
EP1022078B1 (de
EP1022078A2 (de
Inventor
Claes Tornberg
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.)
Voestalpine Boehler Edelstahl GmbH
Original Assignee
Boehler Edelstahl GmbH
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 Boehler Edelstahl GmbH filed Critical Boehler Edelstahl GmbH
Publication of EP1022078A2 publication Critical patent/EP1022078A2/de
Publication of EP1022078A3 publication Critical patent/EP1022078A3/de
Application granted granted Critical
Publication of EP1022078B1 publication Critical patent/EP1022078B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • 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
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/088—Fluid nozzles, e.g. angle, distance

Landscapes

  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Herstellung von Metallpulver aus dergleichen Schmelzen.
Um einen hohen Anteil an Pulverteilchen mit geringem Komdurchmesser und eine hohe Schüttdichte des Metallpulvers zu erstellen, ist erfindungsgemäß vorgesehen, daß der aus dem Schmelzendüsenkörper (D) im wesentlichen vertikal austretende Schmelzenstrom (S) durch mindestens drei Gasstrahlen (1,2,3) mit jeweils verschiedenen Richtungen beaufschlagt wird, wobei die Gasstrahlen in der Wirkfolge jeweils auf den eingebrachten Schmelzenstrom S auf den durch den jeweils vorgeordneten Gasstrahl in der Richtung eingestellten und geformten Schmelzenstrom (FS) mit einem Winkel zwischen 5° und 170° ausgerichtet sind.
EP20000890013 1999-01-19 2000-01-18 Verfahren und Vorrichtung zur Herstellung von Metallpulver durch Gasverdüsung Expired - Lifetime EP1022078B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT7099 1999-01-19
AT0007099A AT409235B (de) 1999-01-19 1999-01-19 Verfahren und vorrichtung zur herstellung von metallpulver

Publications (3)

Publication Number Publication Date
EP1022078A2 EP1022078A2 (de) 2000-07-26
EP1022078A3 true EP1022078A3 (de) 2003-05-07
EP1022078B1 EP1022078B1 (de) 2004-10-27

Family

ID=3480743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000890013 Expired - Lifetime EP1022078B1 (de) 1999-01-19 2000-01-18 Verfahren und Vorrichtung zur Herstellung von Metallpulver durch Gasverdüsung

Country Status (9)

Country Link
US (3) US6334884B1 (de)
EP (1) EP1022078B1 (de)
JP (1) JP4171955B2 (de)
AT (2) AT409235B (de)
DE (1) DE50008367D1 (de)
DK (1) DK1022078T3 (de)
ES (1) ES2231150T3 (de)
SI (1) SI1022078T1 (de)
UA (1) UA61959C2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT409235B (de) * 1999-01-19 2002-06-25 Boehler Edelstahl Verfahren und vorrichtung zur herstellung von metallpulver
AT408990B (de) * 2000-08-16 2002-04-25 Holderbank Financ Glarus Einrichtung zum zerstäuben von flüssigen medien, insbesondere flüssigen schmelzen
AT411580B (de) * 2001-04-11 2004-03-25 Boehler Edelstahl Verfahren zur pulvermetallurgischen herstellung von gegenständen
AT411230B (de) * 2001-10-10 2003-11-25 Claes Dipl Ing Tornberg Verfahren zur herstellung von metallpulver aus spratzigen teilchen
AT412328B (de) * 2002-04-03 2005-01-25 Claes Dipl Ing Tornberg Verfahren zur herstellung von metallpulver
WO2003031103A1 (de) * 2001-10-10 2003-04-17 Claes Tornberg Verfahren zur herstellung von metallpulver aus spratzigen teilchen
DE10205897A1 (de) * 2002-02-13 2003-08-21 Mepura Metallpulver Verfahren zur Herstellung von partikelförmigem Material
US7744808B2 (en) * 2007-12-10 2010-06-29 Ajax Tocco Magnethermic Corporation System and method for producing shot from molten material
CH705750A1 (de) 2011-10-31 2013-05-15 Alstom Technology Ltd Verfahren zur Herstellung von Komponenten oder Abschnitten, die aus einer Hochtemperatur-Superlegierung bestehen.
EP2700459B1 (de) 2012-08-21 2019-10-02 Ansaldo Energia IP UK Limited Verfahren zur Herstellung eines dreidimensionalen Gegenstandes
EP2737965A1 (de) * 2012-12-01 2014-06-04 Alstom Technology Ltd Verfahren zur Herstellung einer metallischen Komponente mittels Zusatzlaserfertigung
US9981315B2 (en) 2013-09-24 2018-05-29 Iowa State University Research Foundation, Inc. Atomizer for improved ultra-fine powder production
KR101536454B1 (ko) 2013-12-20 2015-07-13 주식회사 포스코 분말 제조 장치 및 분말 형성 방법
WO2017011900A1 (en) * 2015-07-17 2017-01-26 Ap&C Advanced Powders & Coatings Inc. Plasma atomization metal powder manufacturing processes and systems therefore
CA3003502C (en) * 2015-10-29 2019-01-08 Ap&C Advanced Powders And Coatings Inc. Metal powder atomization manufacturing processes
US11235385B2 (en) 2016-04-11 2022-02-01 Ap&C Advanced Powders & Coating Inc. Reactive metal powders in-flight heat treatment processes
KR102421026B1 (ko) * 2016-08-24 2022-07-14 5엔 플러스 아이엔씨. 저융점 금속 또는 합금 분말 미립화 제조 공정
US11185919B2 (en) 2018-01-12 2021-11-30 Hammond Group, Inc. Methods and systems for forming mixtures of lead oxide and lead metal particles
WO2019157594A1 (en) * 2018-02-15 2019-08-22 5N Plus Inc. High melting point metal or alloy powders atomization manufacturing processes
WO2019195550A1 (en) 2018-04-04 2019-10-10 Metal Powder Works, LLC System and method for manufacturing powders from ductile materials

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1227274A (fr) * 1958-01-17 1960-08-19 Kohlswa Jernverks Ab Perfectionnements apportés aux procédés et dispositifs pour pulvériser ou décomposer des matières solides
EP0192383A2 (de) * 1985-02-18 1986-08-27 National Research Development Corporation Verfahren zum Verteilen von Flüssigkeiten auf Substrata
US4779802A (en) * 1985-11-12 1988-10-25 Osprey Metals Limited Atomization of metals

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Publication number Priority date Publication date Assignee Title
US2968062A (en) 1959-03-23 1961-01-17 Federal Mogul Bower Bearings Atomizing nozzle and pouring cup assembly for the manufacture of metal powders
NL270569A (de) * 1960-10-24
GB1272229A (en) * 1968-11-27 1972-04-26 British Iron Steel Research Improvements in and relating to the treatment of molten material
US3752611A (en) * 1969-06-18 1973-08-14 Republic Steel Corp Apparatus for producing metal powder
SE421758B (sv) 1970-11-11 1982-02-01 Uddeholms Ab Anordning enligt svenskt patent 6916675-9 for granulering av smelt metall
US4272463A (en) 1974-12-18 1981-06-09 The International Nickel Co., Inc. Process for producing metal powder
JPS5172906A (en) * 1974-12-23 1976-06-24 Hitachi Metals Ltd Tankabutsuo fukashitakosokudokoguko
US4382903A (en) 1978-07-21 1983-05-10 Asea Aktiebolag Method for manufacturing a metal powder by granulation of a metal melt
ATE25465T1 (de) * 1983-07-12 1987-02-15 Cirm Co Ind Recuperat Metal Verfahren zum herstellen von granulaten aus stahlwerkschlacke.
US4905899A (en) * 1985-11-12 1990-03-06 Osprey Metals Limited Atomisation of metals
SE461848B (sv) 1987-12-09 1990-04-02 Hg Tech Ab Foerfarande foer atomisering av vaetskor och anordning foer genomfoerande av foerfarandet
AT395230B (de) * 1989-11-16 1992-10-27 Boehler Gmbh Verfahren zur herstellung von vormaterial fuer werkstuecke mit hohem anteil an metallverbindungen
US5238482A (en) * 1991-05-22 1993-08-24 Crucible Materials Corporation Prealloyed high-vanadium, cold work tool steel particles and methods for producing the same
US5993509A (en) * 1996-11-19 1999-11-30 Nat Science Council Atomizing apparatus and process
US6142382A (en) * 1997-06-18 2000-11-07 Iowa State University Research Foundation, Inc. Atomizing nozzle and method
AT409235B (de) * 1999-01-19 2002-06-25 Boehler Edelstahl Verfahren und vorrichtung zur herstellung von metallpulver
AT411580B (de) * 2001-04-11 2004-03-25 Boehler Edelstahl Verfahren zur pulvermetallurgischen herstellung von gegenständen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1227274A (fr) * 1958-01-17 1960-08-19 Kohlswa Jernverks Ab Perfectionnements apportés aux procédés et dispositifs pour pulvériser ou décomposer des matières solides
EP0192383A2 (de) * 1985-02-18 1986-08-27 National Research Development Corporation Verfahren zum Verteilen von Flüssigkeiten auf Substrata
US4779802A (en) * 1985-11-12 1988-10-25 Osprey Metals Limited Atomization of metals

Also Published As

Publication number Publication date
DK1022078T3 (da) 2005-03-14
ATE280649T1 (de) 2004-11-15
US20010054784A1 (en) 2001-12-27
DE50008367D1 (de) 2004-12-02
US20040031354A1 (en) 2004-02-19
JP4171955B2 (ja) 2008-10-29
ES2231150T3 (es) 2005-05-16
ATA7099A (de) 2001-11-15
US7198657B2 (en) 2007-04-03
UA61959C2 (uk) 2003-12-15
EP1022078B1 (de) 2004-10-27
US6632394B2 (en) 2003-10-14
SI1022078T1 (en) 2005-06-30
US6334884B1 (en) 2002-01-01
EP1022078A2 (de) 2000-07-26
JP2000212608A (ja) 2000-08-02
AT409235B (de) 2002-06-25

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