DE20209294U1 - Lightweight molded body made of metal foam - Google Patents

Lightweight molded body made of metal foam

Info

Publication number
DE20209294U1
DE20209294U1 DE20209294U DE20209294U DE20209294U1 DE 20209294 U1 DE20209294 U1 DE 20209294U1 DE 20209294 U DE20209294 U DE 20209294U DE 20209294 U DE20209294 U DE 20209294U DE 20209294 U1 DE20209294 U1 DE 20209294U1
Authority
DE
Germany
Prior art keywords
shaped body
body according
cavities
metal
metal foam
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
DE20209294U
Other languages
German (de)
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 DE20209294U priority Critical patent/DE20209294U1/en
Publication of DE20209294U1 publication Critical patent/DE20209294U1/en
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
    • 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
    • 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
    • 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
    • B22F3/1112—Making porous workpieces or articles with particular physical characteristics comprising hollow spheres or hollow fibres
    • 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

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (14)

1. 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, dadurch gekennzeichnet, dass der Metallschaum des Formkörpers bei räumlicher Betrachtung eine monomodale Verteilung der anteilsmäßig maximalen Längserstreckungen der Hohlräume im Bereich zwischen 1,0 und 30,0 mm aufweist.1. Light-weight molded body made of metal foam, consisting of a metal matrix in which particles are embedded and which encloses a plurality of essentially spherical and / or essentially ellipsoidal cavities, characterized in that the metal foam of the molded body has a monomodal distribution of the proportionally maximum when viewed spatially Has longitudinal extensions of the cavities in the range between 1.0 and 30.0 mm. 2. Formkörper nach Anspruch 1, dadurch gekennzeichnet, dass zumindest teilweise die Hohlräume einschließenden Begrenzungswände ebenflächige Bereiche aufweisen.2. Shaped body according to claim 1, characterized in that at least Partially flat boundary walls enclosing the cavities Have areas. 3. Formkörper nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass bei räumlicher Betrachtung des Metallschaumes das Verhältnis der maximalen Längserstreckungen zweier jeweils verschiedener Hohlräume im Mittel über zumindest 20 Paare kleiner als 45 ist.3. Shaped body according to one of claims 1 or 2, characterized in that the spatial ratio of the metal foam, the ratio of the maximum Longitudinal extensions of two different cavities on average is at least 20 pairs less than 45. 4. Formkörper nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass bei räumlicher Betrachtung des Metallschaumes das Verhältnis der maximalen Längserstreckungen zweier jeweils verschiedener Hohlräume im Mittel über zumindest 20 Paare kleiner als 30, vorzugsweise kleiner als 15 und insbesondere kleiner als 5 ist.4. Shaped body according to one of claims 1 to 3, characterized in that the spatial ratio of the metal foam, the ratio of the maximum Longitudinal extensions of two different cavities on average at least 20 pairs less than 30, preferably less than 15 and in particular is less than 5. 5. Formkörper nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet dass die Partikel in der Metallmatrix gleichmäßig verteilt eingelagert sind.5. Shaped body according to one of claims 1 to 4, characterized in that the particles are evenly distributed in the metal matrix. 6. Formkörper nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass aneinander angrenzende Hohlräume durch die Metallmatrix vollständig voneinander getrennt sind. 6. Shaped body according to one of claims 1 to 5, characterized in that adjacent cavities completely separated from each other by the metal matrix are separated.   7. Formkörper nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Metallmatrix aus einem Leichtmetall, vorzugsweise aus Aluminium oder einer Aluminiumlegierung, besteht.7. Shaped body according to one of claims 1 to 6, characterized in that the metal matrix made of a light metal, preferably aluminum or one Aluminum alloy. 8. Formkörper nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die in der Metallmatrix eingelagerten Partikel eine Größe von 1 bis 50 µm, vorzugsweise 3 bis 20 µm aufweisen.8. Shaped body according to one of claims 1 to 7, characterized in that the particles embedded in the metal matrix have a size of 1 to 50 μm, preferably have 3 to 20 microns. 9. Formkörper nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass in der Metallmatrix nichtmetallische Partikel, vorzugsweise SiC-Partikel und/oder Al2O3-Partikel und/oder solche aus intermetallischen Phasen, eingelagert sind.9. Shaped body according to one of claims 1 to 8, characterized in that non-metallic particles, preferably SiC particles and / or Al 2 O 3 particles and / or those made of intermetallic phases, are embedded in the metal matrix. 10. Formkörper nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Volumenanteil der eingelagerten Partikel in der Metallmatrix zwischen 10 Vol.-% und 50 Vol.-%, vorzugsweise zwischen 15 Vol.% und 30 Vol.-%, beträgt.10. Shaped body according to one of claims 1 to 9, characterized in that the volume fraction of the embedded particles in the metal matrix between 10 vol .-% and 50% by volume, preferably between 15% by volume and 30% by volume. 11. Formkörper nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet dass die Dichte des Metallschaumes weniger als 1,05 g/cm3, vorzugsweise weniger als 0,7 g/cm3, insbesondere weniger als 0,3 g/cm3, beträgt.11. Shaped body according to one of claims 1 to 10, characterized in that the density of the metal foam less than 1.05 g / cm 3 , preferably less than 0.7 g / cm 3 , in particular less than 0.3 g / cm 3 , is. 12. Leichtgewichtiger Formkörper, herstellbar aus einem, aus einer Partikel aufweisenden Metallschmelze durch Einbringen von Gas oder Gasgemischen in diese gebildeten, fließfähigen Metallschaum mit einer monomodalen Verteilung der Abmessung der Hohlräume und einer anteilsmäßig maximalen Längserstreckung derselben im Bereich zwischen 1,0 und 30,0 mm, den man zumindest teilweise in eine Gießform oder Kokille einbringt und in dieser im wesentlichen unter allseitigem Druck verdichtet, wobei den, die Hohlräume einschließenden Partikel beinhaltenden Metallschmelzen-Begrenzungswänden zumindest teilweise ebenflächige Bereiche erteilt werden und die beim Erstarren der flüssigen Phase des Metallschaums entstehende Erstarrungswärme der Schmelze abgeführt wird. 12. Light-weight molded body, producible from one, from one particle having molten metal by introducing gas or gas mixtures in this formed, flowable metal foam with a monomodal distribution of Dimension of the cavities and a proportionally maximum longitudinal extent the same in the range between 1.0 and 30.0 mm, which is at least partially in introduces a mold or mold and in this essentially under all sides Pressure compresses, including the particle enclosing the cavities Molten metal boundary walls at least partially flat areas be issued and that when the liquid phase of the metal foam solidifies solidification heat of the melt is dissipated.   13. Formkörper nach Anspruch 12, dadurch gekennzeichnet, dass zur Erstellung der monomodalen Verteilung der Abmessung der Hohlräume das Gas durch mindestens ein in die Schmelze vorspringend einragendes Eintragsrohr eingebracht wird.13. Shaped body according to claim 12, characterized in that for the creation the monomodal distribution of the dimensions of the cavities through the gas at least one entry pipe protruding into the melt is introduced becomes. 14. Formkörper nach einem der Ansprüche 12 oder 13, dadurch gekennzeichnet, dass die Verdichtung des fließfähigen Metallschaumes in einer Kokille mit Innenmaßen, die den gewünschten Abmessungen des Formkörpers entsprechen, durchgeführt wird.14. Shaped body according to one of claims 12 or 13, characterized in that the compression of the flowable metal foam in a mold with Internal dimensions that correspond to the desired dimensions of the molded body, is carried out.
DE20209294U 2002-06-14 2002-06-14 Lightweight molded body made of metal foam Expired - Lifetime DE20209294U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20209294U DE20209294U1 (en) 2002-06-14 2002-06-14 Lightweight molded body made of metal foam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20209294U DE20209294U1 (en) 2002-06-14 2002-06-14 Lightweight molded body made of metal foam

Publications (1)

Publication Number Publication Date
DE20209294U1 true DE20209294U1 (en) 2002-10-24

Family

ID=7972205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20209294U Expired - Lifetime DE20209294U1 (en) 2002-06-14 2002-06-14 Lightweight molded body made of metal foam

Country Status (1)

Country Link
DE (1) DE20209294U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2433556A (en) * 2005-12-20 2007-06-27 Rolls Royce Plc Lightweight components such as gas turbine engine blades, vanes or casings
WO2007121659A1 (en) * 2006-04-18 2007-11-01 Inco Advanced Technology Materials (Dalian) Co., Ltd Porous metal materials with elliptic type pores and their manufacturing process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2433556A (en) * 2005-12-20 2007-06-27 Rolls Royce Plc Lightweight components such as gas turbine engine blades, vanes or casings
GB2433556B (en) * 2005-12-20 2010-09-22 Rolls Royce Plc Lightweight components
WO2007121659A1 (en) * 2006-04-18 2007-11-01 Inco Advanced Technology Materials (Dalian) Co., Ltd Porous metal materials with elliptic type pores and their manufacturing process

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Legal Events

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R207 Utility model specification

Effective date: 20021128

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20050630

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20080703

R152 Utility model maintained after payment of third maintenance fee after eight years

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