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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7875132 | High temperature aluminum alloys High temperature aluminum alloys that can be used at temperatures from about −420° F. (−251° C.) up to about 650° F. (343° C.) are described herein. These alloys comprise aluminum; scandium; at least one of nickel, iron, chromium, manganese and cobalt; and a... | 01/25/2011 |
| 7364630 | Al-Mg-Si alloy sheet excellent in surface properties, manufacturing method thereof, and intermediate material in the manufacturing thereof The present invention provides an Al—Mg—Si alloy sheet in which the production of ridging marks during press forming is noticeably inhibited, and in addition, provides a manufacturing method capable of providing such an aluminum alloy sheet, and an intermediate ... | 04/29/2008 |
| 7347905 | Aluminum-silicon alloy having reduced microporosity and method for casting the same An aluminum-silicon lost foam casting alloy having reduced microporosity and a method for casting the same is herein disclosed. A preferred lost foam cast alloy consists essentially of 6 to 12% by weight silicon and preferably 9.0 to 9.5% by weight silicon, 0.035-0.... | 03/25/2008 |
| 7294213 | Aircraft structural member made of an Al-Cu-Mg alloy The invention relates to a work-hardened product, particularly a rolled, extruded or forged product, made of an alloy with the following composition (% by weight): Cu 3.8-4.3; Mg 1.25-1.45; Mn 0.2-0.5; Zn 0.4-1.3; Fe | 11/13/2007 |
| 7285331 | Ultraphobic surface The invention relates to a structured surface with ultraphobic properties. Said surface as a surface topography in which the value of the integral of a function S: S(log f)=a(f)·f, which gives a relationship between the spatial frequencies f of the individual Fouri... | 10/23/2007 |
| 7276293 | Far-infrared radiator and method for producing method The present invention discloses a far infrared radiator used in various types of heating equipment. This far infrared radiator is comprised of a base material 1 composed of aluminum or aluminum alloy, and an electrolytic colored film 2 formed on this b... | 10/02/2007 |
| 7255756 | Aluminum alloy with improved mechanical properties at high temperatures Disclosed herein is an aluminum alloy composition consisting essentially of, on the basis of total weight of the composition, 13 to 28 wt % of silicon, 1.5 to 5 wt % of a metal element selected from iron and manganese, 3 to 10 wt % of zinc, 0.5 to 1 wt % of magnesiu... | 08/14/2007 |
| 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 |
| 7226641 | Thermal process for wheels This invention discloses a method of coating an object while increasing the temper of an object to peak strength. The method of increasing the temper of the object to peak strength includes providing an object having a substantially homogeneous solution of a precipi... | 06/05/2007 |
| 7144017 | Piston ring having wear resistant composition A piston ring including at least one intermetallic alloy is provided. A piston ring having a wear-resistant composite composition and a piston ring coating comprising a wear-resistant composition are also provided. ... | 12/05/2006 |
| 7087125 | Aluminum alloy for producing high performance shaped castings An aluminum alloy for shaped castings, the alloy having the following composition ranges in weight percent: about 6.0–8.5% silicon, less than 0.4% magnesium, less than 0.1% cerium, less than 0.2% iron, copper in a range from about 0.1% to about 0.5% and/or zinc in... | 08/08/2006 |
| 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 |
| 7055732 | Semiconductor processing apparatus including plasma-resistant, welded aluminum structures We have discovered a method of producing a complex-shaped aluminum alloy article, where welding has been employed to form the article, where an anodized aluminum coating is produced over a surface of the article including the weld joint, and where the anodized alumi... | 06/06/2006 |
| 7052018 | Piston ring having wear resistant composition The invention discloses a piston ring comprising a piston ring substrate. The piston ring substrate comprises at least 50 volume %, of at least one intermetallic alloy, based on the total volume of the wear-resistant composition. The invention further relates to a p... | 05/30/2006 |
| 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 |
| 6923935 | Hypoeutectic aluminum-silicon alloy having reduced microporosity A hypoeutectic aluminum silicon casting alloy having a refined primary silicon particle size and a modified iron morphology. The alloy includes 10 to 11.5% by weight silicon, 0.10 to 0.70% by weight magnesium and also contains 0.05 to 0.07% by weight strontium. On c... | 08/02/2005 |
| 6846369 | Metal alloy product and method for producing same A method for producing a cast aluminum alloy article having high strength and/or toughness is provided. The method includes providing a molten aluminum alloy, centrifugally casting the molten aluminum alloy to form a cast body; and hot isostatically processing the c... | 01/25/2005 |
| 6843863 | Aluminum alloys having improved cast surface quality Aluminum alloy compositions are disclosed, which include small amounts of calcium that result in improved surface properties of the cast aluminum. The calcium, and up to 0.25% grain refiners, are added along with alkaline earth metals, transition metals and/or rare ... | 01/18/2005 |
| 6791188 | Thin film aluminum alloy and sputtering target to form the same Disclosed is a thin film aluminum alloy which is limited in the generation of hillocks while maintaining a low specific resistance and hardness irrespective of annealing temperature. In order to obtain the thin film aluminum alloy having a Vickers hardness of 30 Hv ... | 09/14/2004 |
| 6783729 | Aluminum alloy for making naturally aged die cast products Aluminum alloy die castings combine good as-cast strength with good as-cast ductility, without any heat treatment. The alloy comprises 2.75 5.25 wt. % magnesium, 1.85-3.15 wt. % zinc, 0.65-1.2 wt. % manganese, 0.10-0.18 wt. % iron, less than 0.10 wt. % copper, less ... | 08/31/2004 |
| 6773665 | Non-Cu-based cast Al alloy and method for heat treatment thereof A non-Cu-based cast Al alloy contains substantially no Cu, and has a tensile strength of 305 MPa or more, a 0.2% yield strength of 220 MPa or more, and an elongation of 10% or more. In the heat treatment of the cast Al alloy, the solution treatment is performed usin... | 08/10/2004 |
| 6712915 | Formation and applications of AlCuFe quasicrystalline thin films Various articles of manufacture, such as electrosurgical scalpels, razor blades, electronic components and mechanical components having a quasicrystalline AlCuFe alloy film less than about 10,000 Å thick. Such articles of manufacture may be formed by depositing (i... | 03/30/2004 |
| 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 |
| 6685782 | Component A suitable alloy of the alloy AlMgSi type employed for the manufacture of components having high capacity to absorb kinetic energy by plastic deformation contains, in wt. %, silicon 0.40 to 0.80 magnes... | 02/03/2004 |
| 6679417 | Tailored solutionizing of aluminum sheets An efficient and effective process for manufacturing of hardened aluminum components is achieved by coordinating the material preparation steps with the forming steps. The resulting product is a hardened aluminum component with desirable strength characte... | 01/20/2004 |
| 6676775 | Recrystallization-hardenable aluminum cast alloy and component A recrystallization-hardenable aluminum cast alloy includes in addition to aluminum the following elements as functional elements: (1) 5 to 10 weight % silicon, (2) 0.2 to 0.35 weight % magnesium, (3) 0.3 to 3 weight % nickel and/or 0.6 to 3 weight % coba... | 01/13/2004 |
| 6659331 | Plasma-resistant, welded aluminum structures for use in semiconductor apparatus We have discovered a method of producing a complex-shaped aluminum alloy article, where welding has been employed to form the article, where an anodized aluminum coating is produced over a surface of the article including the weld joint, and where the ano... | 12/09/2003 |
| 6623570 | AlMgSi casting alloy A casting alloy of the AlMgSi type comprises and aluminum as the rest along with production related impurities, individually at most 0.02 wt. %, in total at most 0.2 wt. %, with the further provision that the magnesium and silicon are present in the alloy ... | 09/23/2003 |
| 6562154 | Aluminum sheet products having improved fatigue crack growth resistance and methods of making same Aluminum sheet products having highly anisotropic grain microstructures and highly textured crystallographic microstructures are disclosed. The products exhibit improved strength and improved resistance to fatigue crack growth, as well as other advantageo... | 05/13/2003 |
| 6451185 | Diffusion bonded sputtering target assembly with precipitation hardened backing plate and method of making same Described is a method for producing a diffusion bonded sputtering target assembly which is thermally treated to precipitation harden the backing plate without compromising the diffusion bond integrity. The method includes heat treating and quenching to al... | 09/17/2002 |
| 6406567 | Stress relieving of an age hardenable aluminium 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: (a) applying a stress-relieving cold mechanical stretch to said product, ... | 06/18/2002 |
| 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 |
| 6337147 | Weldable aluminum product and welded structure comprising such a product Improved shape and strength of the weld in a welded structure are obtained by use of a weldable aluminum product comprising a structural component which is a sheet, a plate or an extruded body and is made of an aluminum alloy containing not more than 1.5 ... | 01/08/2002 |
| 6299706 | Process for improving the extrudability of high-strength aluminum alloys A high-strength aluminum alloy having good porthole extrudability is provided. It has a Vickers hardness Hv of not less than 40 as measured in a homogenized state created by heat treatment before extrusion and a Vickers hardness Hv of not less than 20 imp... | 10/09/2001 |
| 6294030 | Formation and applications of AlCuFe quasicrystalline thin films Various articles of manufacture, such as electrosurgical scalpels, razor blades, and electronic components, comprise a quasicrystalline AlCuFe alloy film less than about 3000 Å thick, formed by depositing in sequence on a substrate through radio frequenc... | 09/25/2001 |
| 6274015 | Diffusion bonded sputtering target assembly with precipitation hardened backing plate and method of making same Described is a method for producing a diffusion bonded sputtering assembly which is thermally treated to precipitation harden the backing plate without compromising the diffusion bond integrity. The method includes heat treating and quenching to alloy sol... | 08/14/2001 |
| 6267829 | Method of reducing the formation of primary platelet-shaped beta-phase in iron containing alSi-alloys, in particular in Al-Si-Mn-Fe alloys The present invention is a method for producing an iron-containing hypoeutectic alloy free from primary platelet-shaped beta-phase of the Al5 FeSi in the solidified structure by the steps (a) providing an iron-containing aluminum alloy having a... | 07/31/2001 |
| 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 |
| 6224987 | Conductive substrate for electrophotoconductor A conductive substrate of an electrophotographic photoconductor has magnesium suicide precipitated therein as an impurity compound. The conductive substrate has an aluminum oxide film of minimum thickness deviation, and an aluminum base which exhibits a l... | 05/01/2001 |