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| Number | Title | Issue Date |
| 8128764 | Titanium alloy microstructural refinement method and high temperature, high strain rate superplastic forming of titanium alloys A method for refining the microstructure of titanium alloys in a single thermomechanical processing step, wherein the titanium alloy comprises boron. In some embodiments, the method comprises the steps of first adding boron to the titanium alloy then subjecting the ... | 03/06/2012 |
| 7976649 | Method of fabricating strips or foils, respectively, from TiAl6V4 A method of fabricating a superplastically formable strip or a superplastically formable foil from TiAl6V4 with a thickness of no more than 0.9 mm, preferably less than or equal to 0.5 mm, comprises the steps: a) hot rolling a shee... | 07/12/2011 |
| 7763129 | Method of controlling final grain size in supersolvus heat treated nickel-base superalloys and articles formed thereby A method of forming a component from a gamma-prime precipitation-strengthened nickel-base superalloy so that, following a supersolvus heat treatment the component characterized by a uniformly-sized grain microstructure. The method includes forming a billet having a ... | 07/27/2010 |
| 7293445 | Sheet processing apparatus, method of use, and plastically deformed sheet An apparatus for plastically deforming a work piece. The apparatus comprises at least two cylindrical guide rolls rotatable in a first direction, a bendable strip having a portion of at least one surface in communication with a portion of an outer circumference of e... | 11/13/2007 |
| 7270720 | Superelastic element made of a copper alloy and method for imparting a curvature of a given geometry In a method of bending a rod- or rod-like unfinished workpiece of a single crystal material of a Cu alloy the workpiece is bent at an elevated temperature so as to provide for a predetermined curvature and then the workpiece is further heated whereby the curvature i... | 09/18/2007 |
| 7244319 | Superelastic guiding member An improved guiding member for use within a body lumen having a unique combination of superelastic characteristics. The superelastic alloy material has a composition consisting of about 30% to about 52% (atomic) titanium, and about 38% to 52% nickel and may have one... | 07/17/2007 |
| 7199334 | Apparatus and method for heating and transferring a workpiece prior to forming An apparatus and method for heating and transferring a workpiece to a forming press for superplastic forming. The apparatus includes a heater assembly, having upper and lower heated platens, mounted to a frame. The heater assembly heats the workpiece to a predetermi... | 04/03/2007 |
| 7165435 | Conduction preheating for hot-formed sheet metal panels Work hardened sheets of formable metal are annealed by thermal conduction and heated to a forming temperature. In a preferred embodiment, the sheet is placed on a flat surface of a heated lower platen to partially heat and soften the sheet and an opposing heated upp... | 01/23/2007 |
| 7111771 | Solders with surfactant-refined grain sizes, solder bumps made thereof, and methods of making same A doped tin-indium solder composition is disclosed. The doped tin-indium solder exhibits a retained fine-grain structure and superplasticity after significant thermal cycling and thermal and mechanical stresses experienced in a microelectronic package. A process of ... | 09/26/2006 |
| 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 |
| 6997947 | Multi-property nitinol by heat treatment Medical devices may be made of shape-memory materials portions of which have been heat treated to exhibit spatial variations in the stiffness of the material. Devices including stents, vena cava filters and guidewires may be constructed from such materials. Devices ... | 02/14/2006 |
| 6932877 | Quasi-isothermal forging of a nickel-base superalloy A forging blank of a forging nickel-base superalloy is forged in a forging press having forging dies made of a die nickel-base superalloy. The forging is accomplished by heating the forging blank to a forging-blank starting temperature of from about 1850° F. to abo... | 08/23/2005 |
| 6908519 | Isothermal forging of nickel-base superalloys in air A superalloy made of a forging nickel-base superalloy such as Rene™ 88DT or ME3 is forged in a forging press having forging dies made of a die nickel-base superalloy. The forging is accomplished by heating to a forging temperature of from about 1700° F. to about ... | 06/21/2005 |
| 6890394 | Heating of metal alloy sheet by thermal conduction A method is disclosed for heating a cold worked sheet of superplastically formable metal composition to recrystallize its microstructure to a formable condition and/or to heat the sheet to a temperature for an immediate forming operation. The sheet is placed between... | 05/10/2005 |
| 6866180 | Thick-section metal forming via friction stir processing Friction stir processing (FSP) modifies the surface microstructure of metals so that thick-section metal workpieces can be bent over large angles without formation of surface cracks. A thick 2519-T8 aluminum plate (25.4 mm thick and 50.8 mm wide) was friction stir p... | 03/15/2005 |
| 6835254 | Recrystallization of metal alloy sheet with convection and infrared radiation heating A method is disclosed for heating a cold worked sheet of superplastically formable metal composition to recrystallize its microstructure to a suitably formable condition and further to heat the sheet to a temperature for an immediate forming operation. The method ut... | 12/28/2004 |
| 6712916 | Metal superplasticity enhancement and forming process A shaped metallic component is formed by friction stirring at least a segment of a single piece of bulk metal to impart superplasticity thereto and thereby yield a single superplastic metal blank from the single piece of bulk metal. The metal blank is then deformed ... | 03/30/2004 |
| 6704981 | Superplastic forming method A method of forming sheets of superplastically formable material into a three dimensional article, the sheets being joined together along diffusion bonds to form discrete cells, at least one gas path being provided through the bond between cells. The sheets are heat... | 03/16/2004 |
| 6547895 | Superplastic multi-layer forming The superplastic forming of suitable metal alloy sheets into strong components, such as automobile body structures or panels, is improved and accomplished faster by simultaneously forming two or more substantially identical, relatively thin sheets, prefer... | 04/15/2003 |
| 6485585 | Method for making sheet metal components with textured surfaces Pre-straining and thermal recrystallization processes for maximizing formability in SPF sheet alloys of aluminum, magnesium, iron and titanium can be modified to form sheet products with roughened or textured surfaces for low-slip applications or coating ... | 11/26/2002 |
| 6350329 | Method of producing superplastic alloys and superplastic alloys produced by the method A method for producing new superplastic alloys by inducing in an alloy the formation of precipitates having a sufficient size and homogeneous distribution that a sufficiently refined grain structure to produce superplasticity is obtained after subsequent ... | 02/26/2002 |
| 6328827 | Method of manufacturing sheets made of alloy 718 for the superplastic forming of parts therefrom In order to obtain sheets made of a nickel-based superalloy of type 718 having properties of superplasticity, the sheets are manufactured with a final cycle comprising the steps of: a) solution treatment at 1060° C. for 15 minutes; b) precipitation at 730° C... | 12/11/2001 |
| 6322646 | Method for making a superplastically-formable AL-Mg product A method for making a superplastically formable, aluminum alloy product which consists essentially of: about 2-3.8 wt. % magnesium; at least one dispersoid-forming element selected from the group consisting of: up to about 1.6 wt. % manganese, up to about... | 11/27/2001 |
| 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 |
| 6077368 | Eyeglass frame and fabrication method A Ni--Ti superelastic alloy demonstrates superelastic properties at normal temperatures from about 0 and 30° C. The superelastic alloy allows shape alteration when the temperature is in excess of 40° C. The Ni--Ti superelastic alloy is produced by plast... | 06/20/2000 |
| 6042661 | Chemically induced superplastic deformation The invention produces superplastic deformation in a workpiece by altering the chemical composition of the workpiece material, while the workpiece is subjected to a biasing stress, in a manner that introduces a strain increment into the material that effe... | 03/28/2000 |
| 5885381 | Ni-Ti-Pd superelastic alloy material, its manufacturing method, and orthodontic archwire made of this alloy material The present invention provides a Ni--Ti--Pd superelastic alloy material of a composition consisting of, by atomic percent, 34 to 49% nickel, 48 to 52% titanium and 3 to 14% palladium. Optionally, a part of nickel and/or titanium of this alloy is replaced ... | 03/23/1999 |
| 5860313 | Method of manufacturing press-formed product A method of manufacturing a press-formed product having a base portion and a projecting portion which is integral with the base portion and projects in a direction different from the base portion, wherein a first forming part for forming the base portion ... | 01/19/1999 |
| 5843245 | Process for making superplastic steel powder and flakes In a process for making superplastic steel powder or flakes, molten steel rapidly solidified to form a solidified material comprising substantially single-phase austenitic steel powder or flakes having a grain size of no greater than about 2 μm. The pow... | 12/01/1998 |
| 5772804 | Method of producing aluminum alloys having superplastic properties A method of producing an aluminum alloy having superplastic properties, including the steps of: heating the aluminum alloy; hot rolling to an exit temperature ranging from about 650° to 70° F.; and cold rolling to a gauge corresponding to a percentage o... | 06/30/1998 |
| 5738737 | Process for making superplastic steel powder and flakes In a process for making superplastic steel powder or flakes, molten steel is rapidly solidified to form a solidified material comprising substantially single-phase austenitic steel powder or flakes having a grain size of no greater than about 2 μm. The p... | 04/14/1998 |
| 5620537 | Method of superplastic extrusion A method of superplastic extrusion is provided for fabricating large, complex-shaped, high strength metal alloy components, such as large, thin cross section, closed-box panels or integrally "T-stiffened" aircraft skin panels. Superplastic extrusion is si... | 04/15/1997 |
| 5573608 | Superplastic aluminum alloy and process for producing same The present invention relates to a process for producing a superplastic aluminum alloy capable of being used for plastic working such as extrusion, forging and rolling. An object of the present invention is to provide an ingot-made high speed superplastic... | 11/12/1996 |
| 5540791 | Preformable aluminum-alloy rolled sheet adapted for superplastic forming and method for producing the same An aluminum-alloy rolled sheet is cold preformed and then superplastically formed by: providing a composition which consists of from 2.0 to 8.0% of Mg, from 0.0001 to 0.01% of Be, and at least one element selected from the group consisting of from 0.3 to ... | 07/30/1996 |
| 5516375 | Method for making titanium alloy products A method for making titanium alloy products comprises the steps of: superplastic-forming +ଲ-titanium alloy at a predetermined temperature, said +ଲ-titanium alloy consisting essentially of 3.45 to 5 wt. % Al, 2.1 to 5 wt. % V, 0.85 to ... | 05/14/1996 |
| 5503692 | Elimination of aluminum-lithium sheet anisotropy with SPF forming A novel method is disclosed for removing or eliminating anisotropic material properties typically found in conventionally rolled or otherwise processed aluminum-lithium alloy products obtained from conventional aluminum fabrication mills. The method compr... | 04/02/1996 |
| 5490885 | Metal treatment A method of treating a blank of an aluminium base alloy comprising a combination of heat treatments and cold forming operations to produce a highly recovered semi-fabricated wrought product that is not statically recrystallized and that is inherently non-... | 02/13/1996 |
| 5456774 | Thermomechanical treatment method for providing super-plasticity to Al-Li Alloy A thermo mechanical treatment method for providing super-plasticity to Al--Li alloy being a kind of light and high strength alloys. The thermo mechanical treatment method according the invention comprises steps of, homogenizing Al--Li alloy consisting of ... | 10/10/1995 |
| 5445685 | Transformation process for production of ultrahigh carbon steels and new alloys Ultrahigh carbon steels with superplastic properties are produced by heating a steel containing ferrite and carbide phases to a soaking temperature approximately 50° C. above the A1 transformation temperature, soaking the steel above the A | 08/29/1995 |
| 5413649 | Method for enhancing superplasticity in composites A method for inducing superplasticity in a composite including a non-transforming phase and a transforming phase by cycling the composite material through a phase transformation of the transforming phase while applying an external stress to the composite ... | 05/09/1995 |
