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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7300708 | Erosion and wear resistant protective structures for turbine engine components An erosion resistant protective structure for a turbine engine component comprises a shape memory alloy. The shape memory alloy includes nickel-titanium based alloys, indium-titanium based alloys, nickel-aluminum based alloys, nickel-gallium based alloys, copper bas... | 11/27/2007 |
| 6428634 | Ni-Ti-Nb alloy processing method and articles formed from the alloy A method of processing a Ni--Ti--Nb based alloy which contains from about 4 to about 14 atomic percent Nb and in which the ratio of atomic percent Ni to atomic percent Ti is from about 3.8 to 1.2, comprising working the alloy sufficient to impart a textur... | 08/06/2002 |
| 6063210 | Superplastically-formable Al-Mg-Si product and method A superplastically formable, aluminum alloy product which consists essentially of about 2-10 wt. % magnesium; at least one dispersoid-forming element selected from the group consisting of: up to about 1.6 wt. % manganese, up to about 0.2 wt. % zirconium, ... | 05/16/2000 |
| 6056835 | 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... | 05/02/2000 |
| 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 |
| 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 |
| 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 |
| 5447580 | Rapid heat treatment of nonferrous metals and alloys to obtain graded microstructures A method for heat treatment of nonferrous metals and alloys is described which comprises the steps of providing a billet of material comprising nonferrous metal or alloy; rapidly heating the billet to a temperature higher than the transus or solvus temper... | 09/05/1995 |
| 5419788 | Extended life SMA actuator The present invention relates to a method for increasing the useful life of a shape memory alloy (SMA) actuator, wherein the SMA element contracts on heating and elongates on cooling under an applied stress and that property is used as an actuating techni... | 05/30/1995 |
| 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 |
| 5405462 | Superplastic aluminum-based alloy material and production process thereof A superplastic aluminum-based alloy material consisting of a matrix formed of aluminum or a supersaturated aluminum solid solution, whose average crystal grain size is 0.005 to 1 μm, and particles made of a stable or metastable phase of various intermeta... | 04/11/1995 |
| 5358796 | Joined parts of Ni-Ti alloys with different metals and joining method therefor Composite parts of Ni-Ti alloys joined to a different metal have a melt forged structure obtained through the reactive fusion of both metals, initiated by the fusion of at least one metal bordering on the joint interface and the application of pressure; a... | 10/25/1994 |
| 5332456 | Superplastic aluminum-based alloy material and production process thereof A superplastic aluminum-based alloy material consisting of a matrix formed of aluminum or a supersaturated aluminum solid solution, whose average crystal grain size is 0.005 to 1 μm, and particles made of a stable or metastable phase of various intermeta... | 07/26/1994 |
| 5328530 | Hot forging of coarse grain alloys A method for hot forging coarse grain materials to enhance hot workability and to refine microstructure is described which comprises the steps of imposing minimum initial deformation at low strain rate to effect initial dynamic recrystallization and grain... | 07/12/1994 |
| 5217548 | Process for working ଲ type titanium alloy A process for working ଲ titanium alloy comprises the steps of first elongating the alloy at a temperature not higher than a ଲ transus temperature and at a working ration of 30% or more. Next, conducting a subsequent aging treatment. Then, elon... | 06/08/1993 |
| 5215600 | Thermomechanical treatment of Ti 6-2-2-2-2 A sheet of Ti 6-2-2-2-2 alloy having a starting thickness of between approximately 0.040 inches and 0.187 inches is thermomechanically treated at a temperature of between approximately 1500 degrees F. and 1750 degrees F. at a mechanical strain rate in the... | 06/01/1993 |
| 5181969 | Rolled aluminum alloy adapted for superplastic forming and method for making Provided is a superplastic forming aluminum alloy in rolled form which exhibits superplasticity and has improved corrosion resistance, weldability, and strength and fatigue property after superplastic forming, eliminating a need for heat treatment after s... | 01/26/1993 |
| 5171374 | Rapidly solidified superplastic aluminum-lithium alloys and process for making same A rapidly solidified aluminum base lithium containing alloy is subjected to at least one overaging treatment and a plurality of rolling passes. Upon completion of the process, the alloy is comprised of grains having an ultrafine grain size. A predominant ... | 12/15/1992 |
| 5135582 | Method for forming a diaphragm and diaphragm The present invention is directed to a method for producing a diaphragm for highly brittle metals used in loudspeakers, comprising a step of making a laminated plate by stacking a plate of superplastic material on a plate of highly brittle metal. The lami... | 08/04/1992 |
| 5122196 | Superplastic sheet metal made from an aluminum alloy The sheet metal which has recrystallized as fine grains and has superplastic characteristics consists of a work-hardenable, age-hardenable AlMgZn alloy. After continuous casting, the alloy containing 3-5.5% of magnesium, 2-8% of zinc, 0.4% of copper, 0-1%... | 06/16/1992 |
| 5078806 | Method for superplastic forming of rapidly solidified magnesium base metal alloys A complex part composed of rapidly solidified magnesium base metal alloy is produced by superplastic forming at a temperature ranging from 160° C. to 275° C. and at a rate ranging from 0.00021 m/sec to 0.00001 mm/sec, to improve the formability thereof ... | 01/07/1992 |
| 5064478 | Method and apparatus for surface austempering of cast iron parts A method for producing a selectively surface hardened cast iron part includes uniformly heating the surface of the part by immersion into a molten metallic bath until a desired thickness of surface austenite is produced, and thereafter quenching the heate... | 11/12/1991 |
| 5055143 | Re-entrant angle closure on superplastically formed structure A superplastically formed and diffusion bonded structure formed with two or more sheets and upset forging the material at the perimeter to provide the expulsive material between the inner most sheets so as to close the entrance angle formed between the ex... | 10/08/1991 |
| 5053084 | High strength, heat resistant aluminum alloys and method of preparing wrought article therefrom The present invention provides high-strength, heat resistant aluminum alloys having a composition represented by the general formula: Ala Mb Xd or Ala Mb Qc Xe (wherein M is at least one m... | 10/01/1991 |
| 5019183 | Process for enhancing physical properties of aluminum-lithium workpieces A process for enhancing the physical properties of superplastically formed and solution heat treated Aluminum-Lithium workpieces entails stretching near-net parts by from 2 to 10 percent at a specified temperature, followed by controlled aging.... | 05/28/1991 |
| 4992110 | Wrought aluminum eutectic composites A method is provided for producing a wrought aluminum eutectic composite characterized by improved physical properties. The method resides in forming a casting of an aluminum alloy characterized metallographically by the presence of a eutectic structure, ... | 02/12/1991 |
| 4952331 | Composite magnetic compacts and their forming methods Composite magnetic compacts having good conductivity and excellent mechanical and magnetic properties and their forming methods. The composite magnetic compacts are basically made by forming mixtures consisting essentially of 1 to 50 percent by weight of ... | 08/28/1990 |
| 4943326 | Ornament and method of manufacturing the same An ornament is disclosed, which is characterized in that a metallic alloy wire provided with a characteristic to show the superelastic effect at room temperature by making the metallic texture Austenite phase is overlapped on both ends and formed into an ... | 07/24/1990 |
| 4938809 | Superplastic forming consolidated rapidly solidified, magnestum base metal alloy powder A complex part composed of rapidly solidified magnesium base metal alloy is produced by superplastic forming at a temperature ranging from 160° C. to 275° C. and at a rate ranging from 0.00021 m/sec. to 0.00001 m/sec., to improve the formability thereof... | 07/03/1990 |
| 4935068 | Method of treating a sample of an alloy A method of treating a sample of an alloy which is capable of transforming between martensitic and austenitic phases, to render the alloy pseudoelastic, the method comprising: (a) annealing the alloy at a temperature which is greater than the stress relax... | 06/19/1990 |
| 4935069 | Method for working nickel-base alloy An hard ornamental alloy can be obtained by subjecting a nickel-base alloy to cold working, warm working or both workings at a working reduction of 35% or above and then subjecting it to hot working at 800° to 1000° C. and at a strain rate of from 10 | 06/19/1990 |
| 4874578 | Aluminium alloy for superplastic forming An aluminium alloy suitable as a material for superplastic forming contains 0.8-2.5% or iron, 3.5-6.0% of magnesium, 0.1-0.6% of manganese, 0.05-0.5% of zirconium, at most 6.0% of zinc, at most 3.0% of copper, at most 0.3% of silicon, at most 0.05% of titanium and at mo... | 10/17/1989 |
| 4874440 | Superplastic aluminum products and alloys Superplastic forming of aluminum work stock is improved by including therein about 0.05% to about 10% or 15% scandium. In preferred practices, soluble elements such as magnesium are also included in the aluminum alloy. One or more of the elements from the... | 10/17/1989 |
| 4867807 | Method for superplastic warm-die and pack forging of high-strength low-ductility material A high-strength low-ductility material is formed by a method which comprises treating a bulk or powder of the material thereby converting coarse grains thereof into hyperfine grains capable of manifesting superplasticity when the strain rate is higher tha... | 09/19/1989 |
| 4867805 | Superplastic aluminum alloys, alloy processes and component part formations thereof Improved superplastic aluminum alloys are formulated to contain less than 0.05 weight percent each of iron and silicon based on the total weight of the superplastic aluminum alloy. Advantageously these two elements are present at levels of 0.03 weight per... | 09/19/1989 |
| 4861391 | Aluminum alloy two-step aging method and article A method for thermally treating an article made from an aluminum alloy having a first temperature at which solute atoms cluster to yield nuclei for the formation and growth of strengthening precipitates, and a second higher temperature at which the streng... | 08/29/1989 |
| 4849032 | Orthodontic coil spring and method of making the same An orthodontic coil spring is made of a shape-memory alloy wire which is wound into a coil and heat treated into a superelastic state. The coil spring imparts a predetermined spring force within a superelastic zone of deflection.... | 07/18/1989 |
| 4830682 | Process for producing aluminum-lithium alloys having improved superplastic properties A process for improving the properties of an aluminum-lithium product formed from a slab, such as an ingot or billet, of an aluminum-lithium alloy. Improved properties include superplastic response, reduced edge cracking during rolling, and reduced format... | 05/16/1989 |
| 4811766 | Explosively bonded expanded structure A method of superplastically forming aluminum alloy composites employs explosive bonding to produce strong, consistent bonds and annealing treatment to produce a fine microstructure in the bonded alloy sheets. The bonded alloy sheets having the fine micro... | 03/14/1989 |
