EP1079948B1 - Metallschaum enthaltendes verbundbauteil - Google Patents
Metallschaum enthaltendes verbundbauteil Download PDFInfo
- Publication number
- EP1079948B1 EP1079948B1 EP00915140A EP00915140A EP1079948B1 EP 1079948 B1 EP1079948 B1 EP 1079948B1 EP 00915140 A EP00915140 A EP 00915140A EP 00915140 A EP00915140 A EP 00915140A EP 1079948 B1 EP1079948 B1 EP 1079948B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composite component
- metal powder
- layer
- metallic powder
- metal
- 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
Links
Images
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
- B22F3/1118—Making porous workpieces or articles with particular physical characteristics comprising internal reinforcements
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
- B22F7/004—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature comprising at least one non-porous part
- B22F7/006—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature comprising at least one non-porous part the porous part being obtained by foaming
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12042—Porous component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12063—Nonparticulate metal component
- Y10T428/12069—Plural nonparticulate metal components
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12063—Nonparticulate metal component
- Y10T428/12097—Nonparticulate component encloses particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12153—Interconnected void structure [e.g., permeable, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12479—Porous [e.g., foamed, spongy, cracked, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
Definitions
- the invention relates to a composite component, which consists of at least two opposite solid metal sheet metal parts and one between the Sheet metal parts arranged foamed metal powder consists.
- Composite components of the type described are in different industrial areas and in particular in the vehicle technology used, since they have a relatively low mass at high stiffness.
- the method for producing such composite components is usually carried out in several steps. First, from solid metal sheet metal parts and the metal powder layer, for example by a Walzplattiervorgang, a Composite semi-finished manufactured.
- the rolling process causes a metallic bond between the central metal powder layer and the insides of these Metal powder layer covering, solid metal sheet metal parts.
- the sandwich-type plate material Punching into pieces will be disassembled, then the items will, for example by deep drawing or similar processing steps given a modified form.
- certain boundary conditions are to be considered, as they are for example in Framework of DE 196 12 781 C1 are put under protection.
- the technical problem of the present invention is therefore, a Composite component of the generic type develop so that the increased Requirements in particular in the automotive vehicle technology with regard to increased Stiffness given reduced component weight.
- Has composite component supporting stiffening elements the form-fitting with the they are connected to surrounding foamed metal powder layer, which In turn, non-destructively inseparable from the outside solid metallic Sheet metal parts is connected, which are deformed so that a connecting web between the stiffening elements.
- This special design makes it possible for the first time, according to the inside of Chassis components occurring special stresses this optimally adapt to counteracting moments of resistance.
- This can be for one by the different design of the internal stiffening elements done by these, for example, square profiles, flat materials or U-profiles are made.
- the stiffening elements in their selection of materials to adapt accordingly, so that at the highest For example, stresses such as titanium or the like in the Stiffening elements can be used.
- a method for producing a composite component which according to the features of claim 1 for performing at least two opposite sheet metal parts and one between the sheet metal parts arranged, foamable metal powder layer required by the Process steps described that each a solid metal sheet metal part with a Metal powder layer is provided, then the two sheet metal parts with their the metal powder layer provided side facing each other over each other are arranged and finally the overlying sheet metal parts Heat are heated in such a way that by the heat supply a Foaming process causes in the mutually facing metal powder layers which causes an inseparable connection of the metal powder layers.
- the designated in its entirety by 1 composite component has two load-bearing tubes 2 and 3 on.
- the supporting tubes 2 and 3 are through an upper cover plate 4 and a lower cover 5 connected together.
- At each of the supporting tubes. 2 and 3 facing inner sides of the cover plates 4 and 5 is one each Metal powder layer 6 and 7 rolled.
- the cover plates 4 and 5 are reshaped so that a connecting web 8 results.
- the cover plates 4 and 5 are formed in the region of the connecting web so that there is a hollow space between them. In this embodiment is in these Cavity a stiffening element in the form of a connecting linkage 9 inserted.
- This connecting linkage is designed so that there are three areas I, II, III with annular cross section and two areas IV and V with substantially has rectangular cross-section.
- the cross-sectional design is clear of Figure 2 can be seen. From this figure it follows that the cover plates 4 and 5 at the respective outer edges of the connecting web 8 with their Metal powder layers lie on one another and the metal powder layers 6 and 7 im Inside the connecting web 8, the connecting linkage 9 completely enclose.
- the lower cover plate 5 and the upper cover plate 4 are each coated with a metal powder layer 6 and 7 respectively.
- This coating is usually done by a rolling process, as part of which a firm connection between the metal powder layer and the cover plate is produced.
- the metal powder layer may consist, for example, of aluminum powder with a suitable blowing agent, for example titanium hydride (TiH 2 ).
- the cover plates 4 and 5 are provided with the contour shown in FIG. 1 in a forming process. This contour is characterized in that it has two areas 10 and 11 for receiving the supporting tubes 2 and 3 and an intermediate region for receiving the connecting linkage 9. If the upper cover plate 4 and the lower cover plate 5 are superimposed, cavities for receiving the corresponding tubes 2 and 3 and the connecting linkage 9 are obtained.
- the collapsing of the individual components of the composite component forms a further method step in the context of the production process.
- the composite component 1 is then, for example in an oven, heated to a temperature required for foaming the metal powder layer, the Can reach values that are just below the melting temperature of the cover plates. So temperatures between about 600 ° C and 800 ° C are possible. It puts in the Propellant containing metal powder layers gases free, which similar to the Foaming of polyurethane foam are effective and the aluminum powder mixture let it foam. As part of the foaming process is a positive Connection between the metal powder and the tubes 2 and 3 or the Connecting rod 9 brought about.
- As a material for the cover sheets for example AlMgSi1 be used.
- the metal foam also has the Ability to absorb more energy due to its porosity. This can for the deformation behavior of inventive composite components, for example in Crash case, be beneficial.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Laminated Bodies (AREA)
- Body Structure For Vehicles (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
- Figur 1
- eine Querschnittsdarstellung durch einen Kraftfahrzeugquerlenker als Beispiel eines erfindungsgemäßen Verbundbauteiles,
- Figur 2
- Schnittdarstellungen entsprechend der Linie A-A und B-B aus Figur 1 und
- Figur 3
- eine vergrößerte Detailansicht der Einzelheit X aus Figur 1.
- 1.
- Verbundbauteil
- 2.
- tragendes Rohr
- 3.
- tragendes Rohr
- 4.
- oberes Deckblech
- 5.
- unteres Deckblech
- 6.
- Metallpulverschicht
- 7.
- Metallpulverschicht
- 8.
- Verbindungssteg
- 9.
- Verbindungsgestänge
- 10.
- Bereich
- 11.
- Bereich
Claims (3)
- Verbundbauteil, welches aus mindestens zwei sich gegenüberliegenden massivmetallischen Blechteilen und einem dazwischen angeordneten aufgeschäumten Metallpulver besteht, dadurch gekennzeichnet, daß das Verbundbauteil in einzelnen Querschnittsbereichen zusätzliche Versteifungselemente aufweist, die formschlüssig mit dem sie umgebenden aufgeschäumten Metallpulver verbunden sind, das zerstörungsfrei untrennbar mit den außenliegenden massivmetallischen Blechteilen verbunden ist, und daß
das Verbundbauteil tragende Versteifungselemente (2, 3) aufweist, die durch die zwei sich gegenüberliegenden massivmetallischen Blechteile (4, 5) unter Bildung eines Verbindungssteges (8) miteinander verbunden sind. - Verbundbauteil nach Anspruch 1,
dadurch gekennzeichnet, daß
zwischen den beiden Blechteile (4, 5) mindestens ein weiteres Blechformteil (9) eingefügt ist. - Verbundbauteil nach Anspruch 2,
dadurch gekennzeichnet, daß
die Metallpulverschichten (6, 7) aus aufgeschäumtem Aluminium bestehen.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19911213 | 1999-03-12 | ||
DE19911213A DE19911213C1 (de) | 1999-03-12 | 1999-03-12 | Verbundbauteil und Verfahren zur Herstellung des Verbundbauteiles |
PCT/DE2000/000670 WO2000054911A1 (de) | 1999-03-12 | 2000-03-07 | Metallschaum enthaltendes verbundbauteil und verfahren zur herstellung des verbundbauteils |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1079948A1 EP1079948A1 (de) | 2001-03-07 |
EP1079948B1 true EP1079948B1 (de) | 2005-05-11 |
Family
ID=7900844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00915140A Expired - Lifetime EP1079948B1 (de) | 1999-03-12 | 2000-03-07 | Metallschaum enthaltendes verbundbauteil |
Country Status (5)
Country | Link |
---|---|
US (1) | US6444330B1 (de) |
EP (1) | EP1079948B1 (de) |
DE (1) | DE19911213C1 (de) |
ES (1) | ES2240077T3 (de) |
WO (1) | WO2000054911A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT406649B (de) * | 1996-05-02 | 2000-07-25 | Mepura Metallpulver | Verfahren zur herstellung von porösen matrixmaterialien, insbesondere formkörpern, auf basis von metallen, und von halbzeug dafür |
DE10143557A1 (de) * | 2001-09-06 | 2003-04-03 | Daimler Chrysler Ag | Verfahren zur Herstellung eines Strukturelementes |
US7100259B2 (en) * | 2003-12-17 | 2006-09-05 | General Motors Corporation | Method of metallic sandwiched foam composite forming |
DE102006009122A1 (de) * | 2006-02-24 | 2007-09-06 | Brandenburgische Technische Universität Cottbus | Verfahren zur Herstellung dreidimensionaler, einen Metallschaum enthaltender Schichtkörper |
DE102007006156B3 (de) * | 2007-02-07 | 2008-06-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung eines Verbundkörpers und Zwischenprodukt zur Herstellung eines Verbundkörpers |
DE102009007901B4 (de) * | 2009-02-06 | 2012-11-22 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines Kraftfahrzeugbauteils und Kraftfahrzeugbauteil |
US9468118B1 (en) * | 2013-12-20 | 2016-10-11 | Amazon Technologies, Inc. | Reinforced structural composite |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4426627C2 (de) | 1993-07-29 | 1997-09-25 | Fraunhofer Ges Forschung | Verfahren zur Herstellung eines metallischen Verbundwerkstoffes |
WO1995018350A1 (fr) | 1993-12-27 | 1995-07-06 | Hitachi Chemical Company, Ltd. | Materiau de transmission de chaleur |
DE19501508C1 (de) * | 1995-01-19 | 1996-04-25 | Lemfoerder Metallwaren Ag | Bauteil für das Fahrwerk eines Kraftfahrzeuges und Verfahren zur Herstellung eines solchen Bauteils |
US5564064A (en) * | 1995-02-03 | 1996-10-08 | Mcdonnell Douglas Corporation | Integral porous-core metal bodies and in situ method of manufacture thereof |
DE19612781C1 (de) * | 1996-03-29 | 1997-08-21 | Karmann Gmbh W | Bauteil aus metallischem Schaumwerkstoff, Verfahren zum Endformen dieses Bauteils und Vorrichtung zur Ausführung des Verfahrens |
US6085965A (en) * | 1997-02-04 | 2000-07-11 | Mcdonnel & Douglas Corporation | Pressure bonding and densification process for manufacturing low density core metal parts |
AT408317B (de) * | 1998-04-09 | 2001-10-25 | Mepura Metallpulver | Verfahren zur herstellung von schaummetall-formkörpern |
US5972521A (en) * | 1998-10-01 | 1999-10-26 | Mcdonnell Douglas Corporation | Expanded metal structure and method of making same |
-
1999
- 1999-03-12 DE DE19911213A patent/DE19911213C1/de not_active Expired - Fee Related
-
2000
- 2000-03-07 US US09/700,105 patent/US6444330B1/en not_active Expired - Fee Related
- 2000-03-07 ES ES00915140T patent/ES2240077T3/es not_active Expired - Lifetime
- 2000-03-07 EP EP00915140A patent/EP1079948B1/de not_active Expired - Lifetime
- 2000-03-07 WO PCT/DE2000/000670 patent/WO2000054911A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP1079948A1 (de) | 2001-03-07 |
ES2240077T3 (es) | 2005-10-16 |
US6444330B1 (en) | 2002-09-03 |
DE19911213C1 (de) | 2000-11-09 |
WO2000054911A1 (de) | 2000-09-21 |
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