EP1266973A3 - Verfahren zur Herstellung eines leichtgewichtigen Formkörpers und Formkörper aus Metallschaum - Google Patents

Verfahren zur Herstellung eines leichtgewichtigen Formkörpers und Formkörper aus Metallschaum Download PDF

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Publication number
EP1266973A3
EP1266973A3 EP02450137A EP02450137A EP1266973A3 EP 1266973 A3 EP1266973 A3 EP 1266973A3 EP 02450137 A EP02450137 A EP 02450137A EP 02450137 A EP02450137 A EP 02450137A EP 1266973 A3 EP1266973 A3 EP 1266973A3
Authority
EP
European Patent Office
Prior art keywords
metal foam
mold
metal
cavities
lightweight
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
EP02450137A
Other languages
English (en)
French (fr)
Other versions
EP1266973A2 (de
EP1266973B1 (de
Inventor
Franz Dobesberger
Herbert Flankl
Dietmar Leitlmeier
Alois Birgmann
Peter Schulz
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.)
Huette Klein Reichenbach GmbH
Original Assignee
Huette Klein Reichenbach 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 Huette Klein Reichenbach GmbH filed Critical Huette Klein Reichenbach GmbH
Priority to SI200231055T priority Critical patent/SI1266973T1/sl
Publication of EP1266973A2 publication Critical patent/EP1266973A2/de
Publication of EP1266973A3 publication Critical patent/EP1266973A3/de
Application granted granted Critical
Publication of EP1266973B1 publication Critical patent/EP1266973B1/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
    • C22C1/08—Alloys with open or closed pores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • B22D25/005—Casting metal foams
    • 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
    • C22C1/08—Alloys with open or closed pores
    • C22C1/083—Foaming process in molten metal other than by powder metallurgy
    • 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
    • C22C1/08—Alloys with open or closed pores
    • C22C1/083—Foaming process in molten metal other than by powder metallurgy
    • C22C1/086—Gas foaming process
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1103—Making porous workpieces or articles with particular physical characteristics
    • B22F2003/1106—Product comprising closed porosity
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Continuous Casting (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zur Herstellung eines leichtgewichtigen Formkörpers, bei welchem aus einer Partikel aufweisenden Metallschmelze durch Einbringen von Gas oder Gasgemischen in diese ein Metallschaum gebildet, dieser zumindest teilweise in eine Kokille eingebracht und dessen flüssige Phase in dieser erstarren gelassen wird.
Weiters ist Gegenstand der Erfindung ein leichtgewichtiger Formkörper aus Metallschaum bestehend aus einer Metallmatrix, in welche Partikel eingelagert sind und welche eine Vielzahl von im wesentlichen sphärischen und/oder im wesentlichen ellipsoiden Hohlräumen umschließt.
Um ein vorgesehenes Werkstoffverhalten bei bestimmten Spannungszuständen zu erreichen, ist verfahrenstechnisch erfindungsgemäß vorgesehen, daß ein fließfähiger Metallschaum mit einer monomodalen Verteilung der Abmessung der Hohlräume und einem anteilsmäßig maximalen Durchmesser derselben im Bereich zwischen 1,0 und 30,0 mm hergestellt, in eine Gießform oder Kokille eingebracht und in dieser im wesentlichen unter allseitigem Druck verdichtet wird, wobei den die Hohlräume einschließenden Partikel beinhaltenden Metallschmelzen-Begrenzungswänden zumindest teilweise ebenflächige Bereiche erteilt werden und die Erstarrungswärme der Schmelze abgeführt wird.
Der leichtgewichtige Formkörper aus Metallschaum ist nach der Erfindung im wesentlichen dadurch gekennzeichnet, daß der Metallschaum bei räumlicher Betrachtung eine monomodale Verteilung der maximalen Längserstreckungen der Hohlräume im Bereich zwischen 1,0 und 30,0 mm aufweist.
EP02450137.1A 2001-06-15 2002-06-14 Verfahren zur Herstellung eines leichtgewichtigen Formkörpers und Formkörper aus Metallschaum Expired - Lifetime EP1266973B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200231055T SI1266973T1 (sl) 2001-06-15 2002-06-14 Postopek izdelave lahkega ulitka in ulitek iz penjene kovine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0093501A AT410103B (de) 2001-06-15 2001-06-15 Verfahren zur herstellung eines leichtgewichtigen formkörpers und formkörper aus metallschaum
AT9352001 2001-06-15

Publications (3)

Publication Number Publication Date
EP1266973A2 EP1266973A2 (de) 2002-12-18
EP1266973A3 true EP1266973A3 (de) 2004-08-18
EP1266973B1 EP1266973B1 (de) 2015-03-04

Family

ID=3683236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02450137.1A Expired - Lifetime EP1266973B1 (de) 2001-06-15 2002-06-14 Verfahren zur Herstellung eines leichtgewichtigen Formkörpers und Formkörper aus Metallschaum

Country Status (9)

Country Link
EP (1) EP1266973B1 (de)
JP (1) JP4158170B2 (de)
AT (1) AT410103B (de)
CA (1) CA2390766C (de)
CZ (1) CZ304437B6 (de)
ES (1) ES2533772T3 (de)
NO (1) NO20022756L (de)
PT (1) PT1266973E (de)
SI (1) SI1266973T1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411768B (de) 2002-09-09 2004-05-25 Huette Klein Reichenbach Gmbh Verfahren und vorrichtung zur herstellung von fliessfähigem metallschaum
DE50304053D1 (de) 2003-05-28 2006-08-10 Univ Hannover Schaumgiessverfahren sowie eine druckdicht verschliessbare Giessform zur Herstellung von Formteilen
DE10325819B4 (de) * 2003-06-07 2005-06-23 Friedrich-Alexander-Universität Erlangen-Nürnberg Verfahren zur Herstellung eines Metallschaumkörpers
AT503824B1 (de) 2006-07-13 2009-07-15 Huette Klein Reichenbach Gmbh Metallformkörper und verfahren zu dessen herstellung
DE102008000100B4 (de) 2008-01-18 2013-10-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung eines leichtgewichtigen Grünkörpers, danach hergestellter leichtgewichtiger Grünkörper und Verfahren zur Herstellung eines leichtgewichtigen Formkörpers
WO2010029864A1 (ja) * 2008-09-12 2010-03-18 国立大学法人群馬大学 発泡金属用前駆体および発泡金属の製造方法、並びに前記製造方法で製造された発泡金属用前駆体および発泡金属
WO2019070487A1 (en) * 2017-10-04 2019-04-11 Ih Holdings Limited PROCESS FOR PRODUCING CHARGED METAL FOAMS
CN110438360B (zh) * 2019-08-20 2021-05-25 北京康普锡威科技有限公司 泡沫铝或铝合金材料的制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0483184A1 (de) * 1989-07-17 1992-05-06 Norsk Hydro As Verfahren zur herstellung eines dispersionsverfestigten metallschaumes sowie verfahren zu seiner herstellung.
US5281251A (en) * 1992-11-04 1994-01-25 Alcan International Limited Process for shape casting of particle stabilized metal foam

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5112697A (en) * 1989-09-06 1992-05-12 Alcan International Limited Stabilized metal foam body
US4973358A (en) * 1989-09-06 1990-11-27 Alcan International Limited Method of producing lightweight foamed metal
DE69212157T2 (de) * 1991-05-31 1996-11-21 Alcan Int Ltd Verfahren und vorrichtung zum herstellen profilierter platten aus teilchenstabilisiertem metallschaum

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0483184A1 (de) * 1989-07-17 1992-05-06 Norsk Hydro As Verfahren zur herstellung eines dispersionsverfestigten metallschaumes sowie verfahren zu seiner herstellung.
US5281251A (en) * 1992-11-04 1994-01-25 Alcan International Limited Process for shape casting of particle stabilized metal foam

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MIYOSHI T ET AL: "Aluminum foam, 'ALPORAS': the production process, properties and applications", MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS, MATERIALS RESEARCH SOCIETY, PITTSBURG, PA, US, vol. 521, 1998, pages 133 - 137, XP002225837, ISSN: 0272-9172 *

Also Published As

Publication number Publication date
NO20022756L (no) 2002-12-16
CZ20022035A3 (cs) 2003-02-12
PT1266973E (pt) 2015-04-28
EP1266973A2 (de) 2002-12-18
EP1266973B1 (de) 2015-03-04
SI1266973T1 (sl) 2015-08-31
NO20022756D0 (no) 2002-06-10
ES2533772T3 (es) 2015-04-15
CA2390766A1 (en) 2002-12-15
JP2003119526A (ja) 2003-04-23
JP4158170B2 (ja) 2008-10-01
ATA9352001A (de) 2002-06-15
CA2390766C (en) 2007-06-12
CZ304437B6 (cs) 2014-05-07
AT410103B (de) 2003-02-25

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