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| Number | Title | Issue Date |
| 8157934 | Wear-resistant aluminum alloy material with excellent workability and method for producing the same A wear-resistant aluminum alloy material excellent in workability and wear-resistance is provided. A wear-resistant aluminum alloy material excellent in workability includes Si: 13 to 15 mass %, Cu: 5.5 to 9 mass %, Mg: 0.2 to 1 mass %, Ni: 0.5 to 1 mass %, P... | 04/17/2012 |
| 7776167 | Edge-on stress-relief of aluminum plates In accordance with the present invention, there are provided methods for the manufacture of aluminum alloy plates having reduced levels of residual stress as well as plates and products employing such plates. Processes of the present invention involve providing a so... | 08/17/2010 |
| 7338629 | Integrated metal processing facility A system and method for forming and heat treating a metal casting are provided. ... | 03/04/2008 |
| 7322223 | Creep forming a metallic component A method of creep forming a metallic component is provided. The method includes the steps of applying static loading and cyclic loading and/or vibration to the component during the creep forming thereof to act as a source of additional energy. ... | 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 |
| 7217331 | Method for shaping structures comprised of aluminum alloys A method is provided for forming complex structures from aluminum alloys, particularly from naturally hard AlMg alloys, naturally hard AlMgSc alloys and/or age-hardenable AlMgLi alloys. The method, in a simple manner by means of as few process steps as possible, for... | 05/15/2007 |
| 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 |
| 7172664 | Method of making aluminum foil for fins A method is described for making an aluminum alloy foil suitable for application to fins used in heat exchangers. The method comprises providing an aluminum alloy composition containing about 0.27% to about 0.55% by weight of iron, about 0.06% to about 0.55% by weig... | 02/06/2007 |
| 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 |
| 6942763 | Textured-metastable aluminum alloy sputter targets and method of manufacture An aluminum alloy sputter target having a sputter target face for sputtering the sputter target is disclosed. The sputter target face has a textured-metastable grain structure. The textured-metastable grain structure has a grain orientation ratio of at least 35 perc... | 09/13/2005 |
| 6921444 | Method of locally heating a part to reduce strength and increase ductility for subsequent manufacturing operation A method of performing manufacturing operations on a workpiece made of a high strength alloy is disclosed in which a local area of a workpiece is heated to micro-structurally soften the local area. The local area of the workpiece becomes softened and more ductile. A... | 07/26/2005 |
| 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 |
| 6746553 | Process for producing sputtering target materials The invention includes methods of reducing grain sizes of materials, and methods of forming sputtering targets. The invention includes a method for producing a sputtering target material in which a metallic material is subjected to plastic working at a processing pe... | 06/08/2004 |
| 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 |
| 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 |
| 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 |
| 6491772 | Solderable aluminum The invention is directed to a solderable aluminum alloy having an aluminum alloy which is formable into a substrate. The aluminum alloy has 0.05-4.5% by weight of tin added to the aluminum alloy to be formed into the substrate. The invention is also dire... | 12/10/2002 |
| 6428638 | Process for producing sputtering target materials The invention includes methods of reducing grain sizes of materials, and methods of forming sputtering targets. The invention includes a method for producing a sputtering target material in which a metallic material is subjected to plastic working at a pr... | 08/06/2002 |
| 6402861 | Process for producing base foils of aluminum alloys A process for the production of a base foil of an aluminum alloy is provided which comprises a first heating step in which a cold-rolled plate derived from a continuously cast-rolled plate is maintained at a temperature between higher than 350° C. and lo... | 06/11/2002 |
| 6344096 | Method of producing aluminum alloy sheet for automotive applications The present invention relates to an improved method of producing an aluminum alloy sheet which, in one embodiment, includes roll casting an aluminum alloy strip having a thickness of less than about 0.5 inch and, subsequently, preferably without interveni... | 02/05/2002 |
| 6294130 | Method of manufacturing metallic products such as sheet by cold working and flash anealing A metallic alloy composition is manufactured into products such as press formed or stamped products or rolled products such as sheet, strip, rod, wire or band by one or more cold working steps with intermediate or final flash annealing. The method can inc... | 09/25/2001 |
| 6261391 | Aluminum alloy plate for super plastic molding capable of cold pre-molding, and production method for the same The present invention disclosed is an aluminum alloy plate for super plastic molding capable of cold pre-molding before super plastic molding. The alloy plate comprises Mg at from 2.0 to 8.0% (weight %, the same shall apply hereinafter) Be at from 0.0001 ... | 07/17/2001 |
| 6258463 | Anodized cryogenically treated aluminum The invention relates to a process for producing anodic coatings with superior corrosion resistance and other properties on aluminum and aluminum alloy surfaces by cryogenically treating the aluminum prior to anodizing. The invention also relates to the a... | 07/10/2001 |
| 6221185 | Method for manufacturing components by critical formation of light metal strip The invention relates to a method for manufacturing components from critical cold forming of light metal strip, preferably naturally hard Al alloys of the AlMg or AlMg--Mn types, in which the desired component is manufactured from the strip by at least on... | 04/24/2001 |
| 6159315 | Stress relieving of an age hardenable aluminum alloy product Stress relieving of an age hardenable aluminium alloy product after solution heat treatment and quenching, is carried out by a permanent cold plastic deformation applied by the steps of: (a) applying a stress-relieving cold mechanical stretch to said product, ... | 12/12/2000 |
| 6143241 | Method of manufacturing metallic products such as sheet by cold working and flash annealing A metallic alloy composition is manufactured into products such as press formed or stamped products or rolled products such as sheet, strip, rod, wire or band by one or more cold working steps with intermediate or final flash annealing. The method can inc... | 11/07/2000 |
| 6129792 | Corrosion resistant aluminum alloy rolled sheet A process for fabricating an aluminum alloy rolled sheet particularly suitable for use for an automotive body, the process comprising: (a) providing a body of an alloy comprising: about 0.8 to about 1.5 wt. % silicon, about 0.15 to about 0.65 wt. % magnes... | 10/10/2000 |
| 6113850 | 2XXX series aluminum alloy An A-rated, aluminum alloy suitable for machining, said alloy consisting essentially of: about 4-5.75 wt. % copper, about 0.2-0.9 wt. % bismuth, about 0.12-1.0 wt. % tin, the ratio of bismuth to tin ranging from about 0.8:1 to 5:1, up to about 0.7 wt. % i... | 09/05/2000 |
| 6074498 | Heat treated Al-Cu-Li-Sc alloys A dual aging treatment of aluminum-copper-lithium-scandium alloys allows preparation of alloys exhibiting superior physical properties as compared to the same alloys subjected to only a single aging. In particular, the difference between yield strength an... | 06/13/2000 |
| 6056836 | AlMg alloy for welded constructions having improved mechanical characteristics Sheet for welded constructions having an ultimate tensile strength Rm >275 MPa, elongation A>22% and a product A×Rm >7000, having the composition, in % by weight: ______________________________________ Mg: 4.2-4.7; Mn: 0.... | 05/02/2000 |
| 6045632 | Method for making can end and tab stock End or tab stock and a method for its manufacture in which a low alloy content aluminum alloy is continuously cast to form a hot feedstock, the hot feedstock is rapidly quenched rapidly to prevent substantial precipitation of alloying elements, annealed, ... | 04/04/2000 |
| 6033499 | Process for stretch forming age-hardened aluminum alloy sheets In the stretch forming of aluminum alloys using a punch and a mating die cavity, the stretch formability of a sheet of age-hardened aluminum alloy is increased by selectively heat treating the sheet to soften at least a portion of the sheet that will unde... | 03/07/2000 |
| 5951794 | Method of forming a drive shaft Methods for making an aluminum drive shaft for automobiles or trucks or other drive shaft applications from aluminum alloy tube and methods for making drive shafts. The method includes providing an aluminum tube member is joined to drive shaft end members... | 09/14/1999 |
| 5948185 | Method for improving the hemmability of age-hardenable aluminum sheet An improved method of forming a severe bend or a hem in a sheet of wrought aluminum age-hardened and age-hardenable alloy includes heating the region to be bent or hemmed to a temperature above about 250° C. for a period of seconds and then quenching the... | 09/07/1999 |
| 5925314 | High ductility aluminum alloy and method for manufacturing the high ductility aluminum alloy It is an object of the invention to provide high-ductility alloy which is improved both in casting characteristics and elongation without lowering strength by selecting a good combination of ingredients and a proportion thereof. It is another object of th... | 07/20/1999 |
| 5919323 | Corrosion resistant aluminum alloy rolled sheet A process for fabricating an aluminum alloy rolled sheet particularly suitable for use for an automotive body, the process comprising: (a) providing a body of an alloy comprising: about 0.8 to about 1.5 wt. % silicon, about 0.15 to about 0.65 wt. % magnes... | 07/06/1999 |
| 5916385 | Aluminum-cooper alloy An essentially lead-free aluminum alloy is provided for extruded screw machine stock. The alloy consists essentially of from about 4.5% to about 6% copper, a maximum of about 0.4% silicon, a maximum of about 0.7% iron, not more than about 0.3% zinc, from ... | 06/29/1999 |
| 5911844 | Method for forming a metallic material A method for drawing a portion of metallic material having a known hardness. The method includes the step of applying a localized heat treatment to predetermined portions of the metallic material. Additionally, the method comprises forming the localized h... | 06/15/1999 |
| 5891273 | Cylinder liner of a hypereutectic aluminum/silicon alloy for casting into a crankcase of a reciprocating piston engine and process for producing such a cylinder liner The invention relates to a cylinder liner, cast into a reciprocating piston engine, of a highly hypereutectic aluminum/silicon alloy which is free of hard material particles independent of the melt and has such a composition that fine primary silicon crys... | 04/06/1999 |
