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Assignee: Aleris Aluminum Koblenz GmbH


Location: Koblenz, DE
No. of patents: 28

NumberTitleIssue Date
8158273Aluminium alloy brazing sheet product
The invention relates to an aluminum alloy brazing sheet including: a thin covering material layer, a core material layer, and an Al—Si alloy brazing material layer as an intermediate material interposed between the thin covering material and the core material. Th...
04/17/2012
8152943Method for manufacturing a wrought metal plate product having a gradient in engineering properties
Manufacturing heat-treatable wrought metal plate having length, width and thickness directions and an engineering properties gradient along at least one plate dimension. Rolled, extruded or forged wrought metal plate is solution heat treated and rapidly cooled. The ...
04/10/2012
8088234AA2000-series aluminum alloy products and a method of manufacturing thereof
An AA2000-series alloy including 2 to 5.5% Cu, 0.5 to 2% Mg, at most 1% Mn, Fe 0.10 to 0.35%, and a method of manufacturing these aluminum alloy products. More particularly, disclosed are aluminum wrought products in relatively thick gauges, i.e. about 3...
01/03/2012
8043445High-damage tolerant alloy product in particular for aerospace applications
The invention relates to an aluminium alloy wrought product with high strength and fracture toughness and high fatigue resistance and low fatigue crack growth rate, and having a composition for the alloy comprising, in weight %, about 0.3 to 1.0% magnesium (Mg), abo...
10/25/2011
8002913AA7000-series aluminum alloy products and a method of manufacturing thereof
An AA7000-series alloy including 3 to 10% Zn, 1 to 3% Mg, at most 2.5% Cu, Fe 0.12 to 0.35%, and a method of manufacturing these aluminum alloy products. More particularly, disclosed are aluminum wrought products in relatively thick gauges, in partic...
08/23/2011
7883591High-strength, high toughness Al-Zn alloy product and method for producing such product
Disclosed is a Al—Zn alloy wrought product, and a method of manufacturing such a product, with an improved combination of high toughness and high strength by maintaining good corrosion resistance, the alloy including (in weight percent): Zn 6.0-11.0, Cu 1.4-2.2, M...
02/08/2011
7867373Method and apparatus for the production of aluminum
Disclosed is a method for the continuous production of aluminum from alumina including a first step of converting alumina (Al2O3) into aluminum sulfide (Al2S3) and a second step of separation of aluminum from aluminum sulf...
01/11/2011
7842900Process for joining using a laser beam
A process for joining a first metal component to a second metal component at a joining region including the steps of: projecting a laser beam onto one or the components for providing a melt pool on the joining region; providing a metal filler wire into the melt pool...
11/30/2010
7815758High damage tolerant Al-Cu alloy
Disclosed is a high damage tolerant Al—Cu alloy of the AA2000 series having a high toughness and an improved fatigue crack growth resistance, including the following composition (in weight percent) Cu 3.8-4.7, Mg 1.0-1.6, Zr 0.06-0.18, Cr0-0.50, Fe≦0.1...
10/19/2010
7690114Tube having reinforcing structures made of profile rolled metal and method of producing same
Disclosed is a tube made of a profile rolled metal product, in particular for use in heat exchangers, a rolled metal product and a method of producing the same. The tube includes a first wall and a second wall forming two opposing sides of the tube, and a plurality ...
04/06/2010
7666267Al-Zn-Mg-Cu alloy with improved damage tolerance-strength combination properties
An Al—Zn—Mg—Cu alloy with improved damage tolerance-strength combination properties. The present invention relates to an aluminium alloy product comprising or consisting essentially of, in weight %, about 6.5 to 9.5 zinc (Zn), about 1.2 to 2.2% magnesium (Mg),...
02/23/2010
7648776Multi-layered brazing sheet
A multi-layered brazing sheet with improved long life corrosion resistance achieved by balancing the Zn, Cu, Mn, Si and Mg content of the core and interliner alloy. The brazing sheet has a core of a 3xxx alloy, an inner braze cladding of a 4xxx alloy, and between co...
01/19/2010
7610669Method for producing an integrated monolithic aluminum structure and aluminum product machined from that structure
A method for producing an integrated monolithic aluminum structure, including the steps of: (a) providing an aluminum alloy plate from an aluminum alloy with a predetermined thickness (y), (b) shaping or forming the alloy plate to obtain a predetermined shaped struc...
11/03/2009
7608345Method of producing an aluminium alloy brazing sheet and light brazed heat exchanger assemblies
A method of producing an aluminium alloy brazing sheet for the manufacturing of light brazed assemblies, wherein said brazing sheet has good formability, combined with a low susceptibility to core penetration in the end annealed as-produced condition after stretchin...
10/27/2009
7604704Balanced Al-Cu-Mg-Si alloy product
The present invention concerns a balanced Al—Cu—Mg—Si alloy having a high toughness, good strength levels and an improved fatigue crack growth resistance, comprising essentially the following composition (in weight percent): Cu: 3.6-4.9, Mg: 1.0-1.8, Mn:≦0.5...
10/20/2009
7566369Method of de-coating metallic coated scrap pieces
Method of de-coating metallic coated scrap pieces, the metallic coated scrap pieces comprising a metallic core layer and a metallic coating layer of which the liquidus temperature of the metallic coating layer is lower than the solidus temperature of the metallic co...
07/28/2009
7559353Distributor for use in a method of casting hot metal
Distributor for use in a method of casting molten metal into a metal ingot, comprising a bottom and a wall of a generally rectangular shape, the wall including a first and a second longitudinal wall portion and a first and a second cross wall portion. The bottom has...
07/14/2009
7514155High strength aluminium alloy brazing sheet
Disclosed is a high strength aluminium alloy brazing sheet, including an Al—Cu core layer and at least one clad layer, the core layer having the following composition (in weight percent): Cu: 1.2-4.0, Mn: 0.06-1.5, Mg: 0.06-1.5, Si: up to 0.5, Zn: ≦0.4, Zr: ≦0...
04/07/2009
7494552Al-Cu alloy with high toughness
Disclosed is an Al—Cu alloy of the AA2000-series alloys with high toughness and an improved strength, including the following composition (in weight percent) Cu 4.5-5.5, Mg 0.5-1.6, Mn≦0.80, Zr≦0.18, Cr≦0.18, Si≦0.15, Fe≦0.15, the balance essentially alu...
02/24/2009
7494043Method for constructing a welded construction utilizing an Al-Mg-Mn weld filler alloy
A method for constructing a welded construction, including the steps of: (a) providing separate component parts of the construction and (b) welding the separate parts together with an Al—Mg—Mn weld filler alloy having a good corrosion resistance and improved str...
02/24/2009
7491278Method of heat treating an aluminium alloy member and apparatus therefor
Disclosed is a method of heat treating an aluminum alloy member having a main surface, including the steps of (a) subjecting the member to a solution heat treatment (b) quenching the member and (c) reheating the member in a pre-ageing heat treatment step. The pre-ag...
02/17/2009
7407714Process by producing an aluminium alloy brazing sheet, aluminium alloy brazing sheet
Disclosed is a process for producing an Al—Mn alloy sheet with improved liquid film migration resistance when used as core alloy in brazing sheet, including the steps of: casting an ingot having a composition comprising (in weight percent): 0.5
08/05/2008
7383713Method of manufacturing a consumable filler metal for use in a welding operation
Method of manufacturing consumable filler metal wire, rod, or stick, and the like, of predetermined length and cross-section for use in welding, including: providing an ingot of a first metal and one or more different further metals; forming composite product by pro...
06/10/2008
7323068High damage tolerant Al-Cu alloy
Disclosed is a high damage tolerant Al—Cu alloy of the AA2000 series having a high toughness and an improved fatigue crack growth resistance, including the following composition (in weight percent) Cu 3.8-4.7, Mg 1.0-1.6, Zr 0.06-0.18, Cr0-0.50 , Fe≦0....
01/29/2008
7294411Brazing product and method of its manufacture
The invention relates to a brazing sheet product comprising a core sheet, a clad layer on said core sheet made of an aluminum alloy containing silicon in an amount in the range of 4 to 14% by weight, an optional layer comprising nickel on the outersurface of said cl...
11/13/2007
7293690Method of manufacturing metallic composite material
Disclosed is a method of manufacturing a metallic composite material for use as building material, the metallic composite material including an aluminium core sheet and a titanium clad layer on at least one side of the core sheet. The aluminium core sheet and titani...
11/13/2007
7226669High strength aluminium alloy brazing sheet, brazed assembly and method for producing same
The present invention a high strength aluminium alloy brazing sheet, comprising an Al—Zn core layer and at least one clad layer, the core layer including the following composition (in weight percent): ...
06/05/2007
7217312Method of recycling metallic coated scrap pieces
A method of recycling metallic coated scrap pieces wherein the coating layer liquidus temperature is lower than the core layer solidus temperature, such as brazing sheet scrap pieces, or metallic coated scrap pieces wherein the upper part of the melting range of the...
05/15/2007
 
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