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| Number | Title | Issue Date |
| 8168013 | Al-Mg-Si aluminum alloy extruded product exhibiting excellent fatigue strength and impact fracture resistance A method includes: preparing a molten aluminum alloy consisting of 0.3-0.8 mass % Mg, 0.5-1.2 mass % Si, 0.3 mass % or more excess Si relative to the Mg2Si stoichiometric composition, 0.05-0.4 mass % Cu, 0.2-0.4 mass % Mn, 0.1-0.3 mass % Cr, 0.2 mass % or... | 05/01/2012 |
| 7422645 | Method of press quenching aluminum alloy 6020 A method of press quenching a 6020 aluminum alloy comprising the steps of providing an ingot or billet of 6020 aluminum alloy consisting essentially of about 0.5 to about 0.6% silicon, about 0.7 to about 0.8% magnesium, about 0.55 to about 0.65% copper, about 0.35 t... | 09/09/2008 |
| 7338629 | Integrated metal processing facility A system and method for forming and heat treating a metal casting are provided. ... | 03/04/2008 |
| 7331373 | Semi-solid and squeeze casting process A method of making a cast product, includes heating an alloy to a temperature between about 1210 and 1470° F. so that the alloy is in a liquid state, injecting the alloy into a vertical die casting machine cavity, injecting the alloy into a mold having a gated conf... | 02/19/2008 |
| 7323069 | Squeeze and semi-solid metal (SSM) casting of aluminum-copper (206) alloy To cast a part, an injectable form of an aluminum-copper (206) alloy is generated and the aluminum-copper (206) alloy is injected into a mold. This mold corresponds to the part. In addition, the aluminum-copper (206) alloy is solidified to generate the part and the ... | 01/29/2008 |
| 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 |
| 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 |
| 7234505 | Aluminium pressure casting A metal flow system, for use in casting aluminium alloy using a pressure casting machine, is provided by a component of a die or mould assembly, for the machine, which defines a die cavity. The component defines at least part of an alloy flow path for the flow of al... | 06/26/2007 |
| 7214281 | Aluminum-zinc-magnesium-copper alloy extrusion An aluminum alloy extrusion product having improved strength and fracture toughness, the aluminum base alloy comprised of 1.95 to 2.5 wt. % Cu, 1.9 to 2.5 wt. % Mg, 8.2 to 10 wt. % Zn, 0.05 to 0.25 wt. % Zr, max. 0.15 wt. % Si, max. 0.15 wt. % Fe, max. 0.1 wt. % Mn,... | 05/08/2007 |
| 7211160 | Aluminum alloy piping material for automotive tubes having excellent corrosion resistance and formability, and method of manufacturing same An aluminum alloy piping material for automotive tubes having excellent tube expansion formability by bulge forming at the tube end and superior corrosion resistance, which is suitably used for a tube connecting an automotive radiator and heater, or for a tube conne... | 05/01/2007 |
| 7165598 | Magnesium alloy and methods for making In a method for making a cast product by squeeze casting using an AZ91D alloy, the AZ91D alloy is heated to a liquid state, a shot sleeve is filled with the liquid AZ91D alloy, and a seal is formed between the shot sleeve and a die. In addition, the liquid alloy is ... | 01/23/2007 |
| 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 |
| 7097431 | Mechanical kinetic vacuum pump A mechanical vacuum pump includes a rotor made of a light metal alloy by powder metallurgy. The powder metallurgy increases the resistance of the rotor to heat and creep. ... | 08/29/2006 |
| 7060139 | High strength aluminum alloy composition The present invention provides a high strength aluminum alloy composition and applications of the high strength aluminum alloy composition. The alloy composition exhibits high tensile strength at ambient temperatures and cryogenic temperatures. The alloy composition... | 06/13/2006 |
| 7048815 | Method of making a high strength aluminum alloy composition The present invention provides a method of making a high strength aluminum alloy composition. The alloy composition exhibits high tensile strength at ambient temperatures and cryogenic temperatures. The alloy composition can exhibit high tensile strength while maint... | 05/23/2006 |
| 7045217 | Plated component for use in an outdoor environment A plated component used in an outdoor environment comprises a component main unit, a metal coating formed over at least a part of the component main unit, and an oxide coating formed over at least a part of the component main unit. ... | 05/16/2006 |
| 7025839 | Heat treatment of age-hardenable aluminum alloys The heat treatment of an age-hardenable aluminium alloy, having alloying elements in solid solution includes the stages of holding the alloy for a relatively short time at an elevated temperature TA appropriate for ageing the alloy; cooling the alloy from... | 04/11/2006 |
| 7025113 | Semi-solid casting process of aluminum alloys with a grain refiner A method for the refining of primary aluminum in hypoeutectic alloys by mixing a titanium based grain refiner into a solid/semi-solid hypoeutectic slurry is described. The method provides control of the morphology, size, and distribution of primary Al in a hypoeutec... | 04/11/2006 |
| 7024342 | Thermal flow simulation for casting/molding processes A numerical procedure for simulating the behavior of incompressible, viscous fluid in a casting/molding process. The method is based on classical fluid dynamic equations and uses control volume-finite element and numerical techniques to solve the momentum and energy... | 04/04/2006 |
| 6994147 | Semi-solid metal casting process of hypereutectic aluminum alloys A method for the refining of primary silicon in hypereutectic alloys by mixing at least two hypereutectic alloys into a solid/semi-solid hypereutectic slurry is described. The method provides control of the morphology, size, and distribution of primary Si in a hyper... | 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 |
| 6962632 | Aluminum alloy hollow material, aluminum alloy extruded pipe material for air conditioner piping and process for producing the same Disclosed are aluminum alloy hollow materials and processes for producing the same wherein an aluminum alloy hollow material is produced by subjecting an ingot of an aluminum alloy containing 0.3˜1.5 wt % Mn to port hole extrusion or port hole extrusion and drawing... | 11/08/2005 |
| 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 |
| 6939417 | Aluminum alloys having high corrosion resistance after brazing When using AA3000 series and AA1000 series aluminum alloys to produce extruded products for heat exchanger applications, by controlling the level of copper and nickel in the alloy to very low levels it is possible to produce excellent corrosion resistance both befor... | 09/06/2005 |
| 6932938 | Method and apparatus for containing and ejecting a thixotropic metal slurry A container system including a vessel for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet and an ejection system for cleanly discharging the processed thixotropic semi-solid aluminum billet. The crucible is preferably formed ... | 08/23/2005 |
| 6919127 | Silicon carbide composites, and methods for making same Improved silicon carbide composites made by an infiltration process feature a metal phase in addition to any residual silicon phase. Not only are properties such as mechanical toughness improved, but the infiltrant can be so engineered as to have much diminished amo... | 07/19/2005 |
| 6911099 | Process to improve 6XXX alloys by reducing altered density sites A process for improving 6XXX alloys, such as 6013, preferably includes heating, hot rolling, inter-rolling thermal treatment at a very high temperature such as 1020° F. or more, again hot rolling (with or without subsequent continuous hot rolling or cold rolling or... | 06/28/2005 |
| 6908520 | Aluminum alloy hollow material, aluminum alloy extruded pipe material for air conditioner piping and process for producing the same Disclosed are aluminum alloy hollow materials and processes for producing the same wherein an aluminum alloy hollow material is produced by subjecting an ingot of an aluminum alloy containing 0.3˜1.5 wt % Mn to port hole extrusion or port hole extrusion and drawing... | 06/21/2005 |
| 6905306 | Mechanical kinetic vacuum pump with rotor and shaft A mechanical kinetic vacuum pump with a stator (1), a rotor (6, 7) made from an aluminum or magnesium alloy and a rotor (6, 7) and a bearing shaft (3). The shaft (3) and the rotor (6, 7) are connected by a shrink- or screw-f... | 06/14/2005 |
| 6901990 | Method and system for processing castings A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing system. The interior of the mobile furnace is heated so as to maintai... | 06/07/2005 |
| 6723187 | Methods of fabricating articles and sputtering targets Described is a high quality sputtering target and method of manufacture which involves application of equal channel angular extrusion. ... | 04/20/2004 |
| 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 |
| 6656296 | Aluminum alloys with optimum combinations of formability, corrosion resistance, and hot workability, and methods of use An aluminum alloy article containing the alloying amounts of iron, silicon, manganese, titanium, and zinc has controlled levels of iron and manganese to produce an alloy article that combines excellent corrosion resistant with good formability. The alloy ... | 12/02/2003 |
| 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 |
| 6524410 | Method for producing high strength aluminum alloy welded structures The present invention relates to a method for fabricating lightweight alloy feedstock for welded structures. Specifically, the method for producing the tubular stock proposed in the present invention enables a bicycle manufacturer to readily weld a lightw... | 02/25/2003 |
| 6489043 | Iron aluminide fuel injector component An iron aluminide fuel injector component such as a nozzle, plunger or other part is manufactured from iron aluminide or includes an iron aluminide coating on at least a portion of a surface in contact with the fuel which passes through the fuel injector.... | 12/03/2002 |
| 6451453 | Aluminum alloy strip or tube for the manufacture of brazed heat exchangers Strip or drawn tube for the manufacture of a brazed heat exchanger, formed from an aluminum alloy containing Si, Cu and Mn, with optional amounts of Mg, Fe, Zn and Ti, where FeࣘSi, and Cu+Mg>0.4. In the form of a strip, the alloy may be coated on one or... | 09/17/2002 |
| 6423163 | Process for the manufacture of a free-cutting aluminum alloy A free-cutting aluminum alloy without lead as an alloy element, containing: (a) as alloy elements: 0.5 to 1.0 wt. % Mn; 0.4 to 1.8 wt. % Mg; 3.3 to 4.6 wt. % Cu; 0.4 to 1.9 wt. % Sn; 0 to 0.1 wt. % Cr; 0 to 0.2 wt. % Ti; (b) as impurities: up to 0.8 wt. %... | 07/23/2002 |
| 6364969 | 6XXX series aluminium alloy A 6XXX series aluminium alloy containing Mg and Si is disclosed. The 6XXX series aluminium alloy is characterized in that the Mg and Si that is available to form MgSi precipitates is present in amounts such that the ratio of Mg:Si, on an atomic weight bas... | 04/02/2002 |
| 6223415 | Process for manufacturing AL-Si alloys for use in vehicle propeller shafts A process for manufacturing an Al--Si alloy for use in a vehicle propeller shaft is provided. The Al--Si alloy manufacturing process includes the steps of heating and melting Al--Si alloy where Si contains 13-40 weight percentage (wt %) of the whole alloy... | 05/01/2001 |
