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| Number | Title | Issue Date |
| 8088234 | AA2000-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 |
| 8002913 | AA7000-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 |
| 7901522 | Aluminum alloy with increased resistance and low quench sensitivity An aluminium alloy having high mechanical strength and low quench sensitivity comprising 4.6 to 5.2 wt. % Zn, 2.6 to 3.0 wt. % Mg, 0.1 to 0.2 wt. % Cu, 0.05 to 0.2 wt. % Zr, max. 0.05 wt. % Mn, max. 0.05 wt. % Cr, max. 0.15 wt. % Fe, max. 0.15 wt. % Si, max. 0.10 wt... | 03/08/2011 |
| 7883591 | High-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 |
| 7815758 | High 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 |
| 7763128 | Process for manufacturing structural components by machining plates The present invention includes a process for manufacturing metal sheets or plates and a machined metal part as well as machined products, structural components and their uses in various applications. Manufacture of a metal sheet or plate by a process of the present ... | 07/27/2010 |
| 7615125 | Aluminum alloy products with high toughness and production process thereof Process for manufacturing aluminum alloy products, with high toughness and fatigue resistance comprising: (a) preparing an aluminum alloy bath, (b) adding a refining agent containing particles of AlTiC type phases into the bath, (c) casting an as-cast form such as a... | 11/10/2009 |
| 7360676 | Welded aluminum alloy structure A method of welding age-hardenable aluminum alloys to improve strength properties in the heat affected zone and the weld zone, the method comprising the steps of providing precipitation hardenable aluminum alloy members to be welded and subjecting said members to a ... | 04/22/2008 |
| 7341096 | Method for processing a continuously cast metal slab or strip, and plate or strip produced in this way The invention relates to a method for processing a continuously cast metal slab or strip, in which the slab or strip is passed between a set of rotating rolls of a rolling mill stand in order to roll the slab or strip. According to the invention, the rolls of the ro... | 03/11/2008 |
| 7338629 | Integrated metal processing facility A system and method for forming and heat treating a metal casting are provided. ... | 03/04/2008 |
| 7275582 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 10/02/2007 |
| 7267734 | Aluminum alloy sheet An aluminium alloy sheet suitable for use as lithographic plate support, wherein the aluminium alloy has the composition (in wt. %): Si 0.05-0.20 preferably 0.06-0.14; Fe 0.15-0.40 preferably at least 0.2; others up to 0.05 each and up to 0.15 total; Al balance, whe... | 09/11/2007 |
| 7258755 | Integrated metal processing facility An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a heat treatment station of th... | 08/21/2007 |
| 7252723 | AlCuMg alloys with high damage tolerance suitable for use as structural members in aircrafts New alloys for potential use in applications such as in lower wing skins and fuselage skins are disclosed. Specifically, Mn-free 2×24 alloys potentially suitable for thick plate and thin plate and sheet applications are believed to be novel and to provide unexpecte... | 08/07/2007 |
| 7250223 | Aluminum heat exchanger excellent in corrosion resistance The present invention provides a heat exchanger which is assembled by brazing an aluminum fin material to the outer surface of an aluminum tube material formed by bending a sheet material, in particular, an aluminum heat exchanger which can be suitably used as an au... | 07/31/2007 |
| 7217327 | Method of producing metal member with enhanced corrosion resistance by salt bath nitriding A metal member is produced with enhanced corrosion resistance by salt bath nitriding. Specifically, in a nitriding salt bath containing Li+, Na+ and K+ ions as cation components and CNO− and CO3−− | 05/15/2007 |
| 7189294 | Al-Mg-Si series alloy plate, method for manufacturing the same and Al-Mg-Si series alloy material A method for manufacturing an Al—Mg—Si series alloy plate includes the steps of hot-rolling and subsequently cold-rolling an Al—Mg—Si series alloy ingot. The Al—Mg—Si series alloy ingot consists of Si: 0.2 to 0.8 mass %, Mg: 0.3 to 1 mass %, Fe: 0.5 mass... | 03/13/2007 |
| 7182825 | In-line method of making heat-treated and annealed aluminum alloy sheet A method of making aluminum alloy sheet in a continuous in-line process is provided. A continuously-cast aluminum alloy strip is optionally quenched, hot or warm rolled, annealed or heat-treated in-line, optionally quenched, and preferably coiled, with additional ho... | 02/27/2007 |
| 7125515 | Aluminum base alloy containing boron and manufacturing method thereof A aluminum base alloy containing boron and manufacturing method thereof, said alloy exhibiting good mechanical properties (such as high-temperature strength and creep strength) over a long period of time and also having a neutron absorbing capacity owing to boron pr... | 10/24/2006 |
| 7048816 | Continuously cast magnesium containing, aluminum alloy sheet with copper addition A magnesium, manganese and copper-containing aluminum alloy sheet material suitable for use in high elongation forming processes is produced according to an improved thermomechanical process. The sheet material is produced by continuous casting with an as-cast gage ... | 05/23/2006 |
| 7029543 | Process for making aluminum alloy sheet having excellent bendability A process is described for producing an aluminum alloy sheet having excellent bendability for use in forming panels for automobiles. An aluminum alloy containing 0.50 to 0.75 by weight Mg, 0.7 to 0.85% by weight Si, 0.1 to 0.3% by weight Fe, 0.15 to 0.35% by weight ... | 04/18/2006 |
| 7018521 | Method of producing bright anodized finishes for high magnesium, aluminum alloys A method is disclosed for forming a clear anodized coating on an aluminum base alloy containing more than three percent by weight magnesium. The alloy surface to be anodized is treated with an aqueous solution of a mineral acid such as sulfuric acid (10 to 20%), nit... | 03/28/2006 |
| 6994760 | Method of producing a high strength balanced Al-Mg-Si alloy and a weldable product of that alloy The present invention relates to a method for producing high strength balanced Al—Mg—Si alloy with an improved fatigue crack growth resistance and a low amount of intermetallics, comprising the steps of a) casting an ingot with the following composi... | 02/07/2006 |
| 6974633 | Structural members having improved resistance to fatigue crack growth An extruded structural member having improved damage tolerance containing a base section (6); a stiffening section having at least one pair of structural stiffeners (10), the structural stiffeners integral with the base section (6) and projectin... | 12/13/2005 |
| 6972110 | Aluminum alloy products having improved property combinations and method for artificially aging same Aluminum alloy products, such as plate, forgings and extrusions, suitable for use in making aerospace structural components like integral wing spars, ribs and webs, comprises about: 6 to 10 wt. % Zn; 1.2 to 1.9 wt. % Mg; 1.2 to 2.2 wt. % Cu, with Mg≦(Cu+0.3); and ... | 12/06/2005 |
| 6959476 | Aluminum automotive drive shaft A method for producing aluminum drive shafts from molten aluminum alloy using a continuous caster to cast the alloy into a slab. The method comprises providing a molten aluminum alloy consisting essentially of 0.2 to 0.8 wt. % Si, 0.05 to 0.4 wt. % Cu, 0.45 to 1.2 w... | 11/01/2005 |
| 6948228 | Ratchet type one-way clutch and method of manufacturing the same A ratchet type one-way clutch in which an outer ring is made of aluminum is improved in durability. In order to solve such problems as an increase in the number of parts, complication, bulkiness, an increase in weight and an increase in cost, there is provided a one... | 09/27/2005 |
| 6811625 | Method for processing of continuously cast aluminum sheet A method is disclosed for making relatively low cost sheet material of magnesium- and manganese-containing aluminum alloy for high elongation forming of articles of complex configuration. The alloy is continuously cast with an as-cast gage of 6-30 mm and immediately... | 11/02/2004 |
| 6780259 | Process for making aluminum alloy sheet having excellent bendability A process is described for producing an aluminum alloy sheet having excellent bendability for use in forming panels for automobiles. An aluminum alloy containing 0.50 to 0.75 by weight Mg, 0.7 to 0.85% by weight Si, 0.1 to 0.3% by weight Fe, 0.15 to 0.35% by weight ... | 08/24/2004 |
| 6696175 | Unrecrystallized layer and associated alloys and methods The present invention provides aluminum alloys and layers formed in aluminum alloys as well as methods for their manufacture. Aluminum alloys of the present invention are provided with at least one discrete layer of uncrystallized grains formed therein. A... | 02/24/2004 |
| 6692589 | Aircraft structure element made of an Al-Cu-Mg- alloy A process for forming a structure element, particularly an lower wing element of an aircraft, manufactured from a rolled, extruded or forged product made of an alloy of composition (% by weight) Cu=4.6-5.3, Mg=0.10-0.50, Mn=0.15-0.45, Si | 02/17/2004 |
| 6660107 | Aluminum alloy with intergranular corrosion resistance and methods of making and use A corrosion resistant aluminum alloy has controlled amounts of iron, manganese, chromium, and titanium along with levels of copper, silicon, nickel, and no more than impurity levels of zinc. The alloy chemistry is tailored such that the electrolytic poten... | 12/09/2003 |
| 6660108 | Method for manufacturing a fin material for brazing A method of producing an aluminum alloy fin material for brazing, which comprises: casting an aluminum alloy by continuous cast-rolling, wherein the alloy comprises above 0.1 wt % to 3 wt % of Ni, above 1.5 wt % to 2.2 wt % of Fe, and 1.2 wt % or less... | 12/09/2003 |
| 6655282 | Process for manufacturing a strip of aluminium alloy for lithographic printing plates A process for manufacturing a strip of aluminium or an aluminium alloy for electrolytically roughened lithographic printing plates, in which the alloy is continuously cast as a strip and then rolled to final thickness, is such that the cast strip is rolle... | 12/02/2003 |
| 6652678 | AA6000 aluminum sheet method A method of converting an ingot of a 6000 series aluminium alloy to self-annealing sheet, comprises subjecting the ingot to a two-stage homogenisation treatment, first at at least 560° C. and then at 450° C. to 480° C., then hot rolling the homogenised... | 11/25/2003 |
| 6630037 | High strength aluminum alloy forgings High strength and high toughness aluminum alloy forgings having, as a whole, a strength at ς0.2 of 315 N/mm2 or more and an impact shock value of 20 J/cm2 or more, wherein the aluminum alloy material contains Mg: 0.6-1.6%... | 10/07/2003 |
| 6620265 | Method for manufacturing an aluminum alloy fin material for brazing A method for manufacturing an aluminum alloy fin material brazing comprises forming an ingot sheet by casting a molten liquid of an aluminum alloy by a continuous casting rolling method, and cold-rolling the ingot sheet to prepare a fin material. The alum... | 09/16/2003 |
| 6592688 | High conductivity aluminum fin alloy An improved aluminum alloy fin stock is described having both a high strength and a high thermal conductivity. The fin stock contains 1.2-1.8% Fe, 0.7-0.95% Si, 0.3-0.5% Mn, 0.3-1.2% Zn and the balance Al, and is produced by continuously strip casting the... | 07/15/2003 |
| 6579387 | Continuous casting process for producing aluminum alloys having low earing The present invention provides an improved process for continuously casting aluminum alloys and improved aluminum alloy compositions. The process includes the steps of continuously annealing the cold rolled strip in an intermediate anneal using an inducti... | 06/17/2003 |
| 6562155 | Process for producing aluminum alloy semi-molten billet for use as transportation unit A process for producing an aluminum alloy semi-molten billet for use as a transporation unit, including the steps of: producing an aluminum alloy having a composition consisting essentially of, in weight %, 0.5 or less Cu, 5.0 to 10.0 Si, 0.2 to 0.7 Mg, 0... | 05/13/2003 |
