Class 148/524 - With metal fusion bonding step utilizing electron arc or beam

Subclass of Class 148 - Metal treatment
Definition: Process which utilizes an electron arc or beam for fusion
No. of patents: 36
Last issue date: 08/19/2008

Number	Title	Issue Date
7413620	Electron beam welding to join gamma titanium aluminide articles A method is provided for welding two gamma titanium aluminide articles together. The method includes preheating the two articles to a welding temperature of from about 1700° F. to about 2100° F., thereafter electron beam welding the two articles together at the we...	08/19/2008
7322396	Weld closure of through-holes in a nickel-base superalloy hollow airfoil A hollow airfoil is fabricated by providing a casting mold assembly including a casting mold, a casting core, and a standoff spacer that prevents the casting core from contacting the casting mold to define a casting space. A first nickel-base superalloy is cast into...	01/29/2008
7089728	Single-piece turbine rotor and pinion gear and manufacturing technique for same A power transfer assembly comprises a power turbine constructed of a nickel alloy; a gear shaft constructed of a low-carbon carburized gear material; and a transition portion between and welded to each of the power turbine and gear shaft. The nickel alloy may be wel...	08/15/2006
6977016	Surface modified stainless steel A method has been developed for surface modifications of high temperature resistant alloys, such as FeCrAl alloys, in order to increase their resistance to corrosion at high temperatures. Coating it with a Ca-containing compound before heat-treating builds a continu...	12/20/2005
6916387	Weld repair of superalloy castings A method of repairing a void on a nickel or cobalt base superalloy investment casting by vibrating the casting for a time before repairing the void, vibrating the casting while filling the void wherein the void is filled by repeatedly making incremental weld deposit...	07/12/2005
6872912	Welding single crystal articles A process is provided for crack-free welding a nickel based single crystal superalloy article containing at least 5 weight % total of Al and Ti. The process comprises: melting an article surface to be welded and a filler alloy with an energy source, preferably a las...	03/29/2005
6866942	Press-forming tailored blank material excellent in formability and production method therefor There is provided a tailored blank article for press forming, the article having an excellent formability and comprising multiple different plates of different thickness, which can evade a break of a low strength plate (or low-thickness plate) due to strength rate-d...	03/15/2005
6821362	Manufacturing method of auger An auger composed of an auger body integrally formed with a spiral blade and at its opposite ends with a pair of shaft portions is manufactured by the steps of forming annular recesses on the shaft portions in a cutting process, building up an anti-abrasive and anti...	11/23/2004
6673169	Method and apparatus for repairing superalloy components A method of repairing a metallic component, such as a superalloy turbine blade or turbine nozzle, includes the step of preparing the component by stripping the protective coatings from the component. The component is then pre-conditioned for welding by a ...	01/06/2004
6634179	Process and configuration for producing wear-resistant surfaces A wear-resistant surface is formed on a component formed of an AlSi alloy by using a thermal spraying or a laser beam treatment. A thermally conductive device is brought into a thermally conductive contact with the component so that the thermally conducti...	10/21/2003
6565991	Composite doctor blade and its method of manufacture A composite doctor blade comprises a steel support band configured with a width and thickness suitable for mounting in a blade holder, with tensile and yield strengths suitable for a selected doctoring application. A wear resistant strip of high speed ste...	05/20/2003
6423427	Composite doctor blade and its method of manufacture A composite doctor blade comprises a steel support band configured with a width and thickness suitable for mounting in a blade holder, with tensile and yield strengths suitable for a selected doctoring application. A wear resistant strip of high speed ste...	07/23/2002
6197132	Method of manufacturing ferritic stainless FeCrA1-steel strips The invention provides a method for the continuous manufacture of ferritic stainless steel bands suitable for use in environments with frequent changes in temperature. It has been found preferable to have such band longitudinally displaced through a coati...	03/06/2001
5900079	Method for producing a steel pipe using a high density energy beam A method of producing a welded steel pipe which comprises: (a) forming a steel strip having two edges in a cylindrical form so that the two edges face each other; (b) preheating the two edges of the steel strip to a temperature of a melting point or less ...	05/04/1999
5830289	Process for enhancing the bond strength of resistance welded joints between titanium alloy articles A process for enhancing the bond strength of resistance welded joints between titanium alloy articles includes a first step of resistance welding two titanium alloy articles and a second step of heat treating the resistance welded titanium alloy articles ...	11/03/1998
5795412	Method of manufacturing and repairing a blade made of ଱-ଲ titanium A method of manufacturing a blade made of ଱ଲ titanium including an insert of metastable ଲ titanium, according to the invention: a blade body made of ଱ଲ titanium is made to the finished design dimensions, said blade body made of &#...	08/18/1998
5762727	Weld repair process and article repaired thereby A method for weld repairing an article formed of a low-alloy steel, such as a steam turbine component. The method generally includes the step of depositing a first weld repair (14) on a surface of the article, during which a hard heat-affected zone (HAZ) ...	06/09/1998
5674419	Method for weld repairing of structures in nuclear reactors Disclosed is a highly reliable weld repairing method to repair a crack defect in structures and apparatus inside pressure vessels of nuclear reactors, while preventing generation of new crack defects in the structures and apparatus during the repairing. T...	10/07/1997
5647920	Process for preparation of corrosion-resistant and wear-resistant alloy Disclosed is a process for the preparation of an alloy having excellent corrosion resistance and wear resistance, which comprises subjecting a powdery mixture comprising a powder of at least one matrix metal selected from the group consisting of Fe-based ...	07/15/1997
5512241	Al-Cu-Li weld filler alloy, process for the preparation thereof and process for welding therewith Weld filler alloys comprising aluminum, copper, lithium and, optionally, silver are disclosed which possess significantly improved fabricability and weldability. The weld filler alloys are free of magnesium and can be easily drawn into weld wire that is u...	04/30/1996
5509980	Cyclic overageing heat treatment for ductility and weldability improvement of nickel-based superalloys The present invention is directed to a pre-weld overageing heat treatment for nickel-based superalloys, where the alloy is heated to solutionization temperature for a time sufficient to dissolve the gamma prime phase of the alloy microstructure, then slow...	04/23/1996
5494539	Metal member quality improving method by spot welding By applying spot welding along a crack which has occurred in an austenitic stainless steel structure without use of welding material so that spot welds are connected, melting and solidifying of the crack can be achieved, thereby to provide a metal structu...	02/27/1996
5308409	Method of strengthening aluminum castings in a specified local part A method of strengthening an aluminum casting by modifying qualities of a specified part thereof comprises the steps of forming a weld overlay on the specified part using powders made of heat resisting element and remelting the specified part, now overlai...	05/03/1994
5230756	Method of forming weld bead of pure copper on ferroalloy base material In forming a weld bead of pure copper on a ferroalloy base material by laying a powder of copper and melting the powder by a high density energy source such as laser beams, TIG arc or electron beams, the powder of copper is beforehand mixed with a powder ...	07/27/1993
5230755	Protective layer for a metal substrate and a method of producing same A protective layer for a metal substrate is metallurgically bonded to the substrate and contains (as a percentage by mass) 35 to 50% chromium, up to 10% of which can be replaced by molybdenium, and at least iron, the proportion of iron being at least 25%....	07/27/1993
4890783	Ceramic-metal joining A method for improving the reliability of a ceramic-metal joint by reducing the dynamic mismatch stresses and strains on the ceramic due to the mismatch in thermal expansions of the two materials. This is done by bonding with a metal layer the ceramic to ...	01/02/1990
4718950	Process for selectively annealing metal strips A process for selectively annealing metal strips, which comprises forming a deposit in the form of a continuous or intermittent stripe or stripes of graphite powder at least 50% of which is 20 μm or less in particle diameter, on one side or both sides of...	01/12/1988
4646406	Welded edge bourdon strip thermometer-manometer A bourdon tube for gas and liquid-filled thermometers and pressure gauges constructed by edge welding two strips of isoelastic nickel alloy to form a wall to wall low volume bourdon tube that exhibits a low ambient temperature effect and improved rangeabi...	03/03/1987
4484959	Process for the production of a composite metal part and products thus obtained The present invention relates to the production of metal parts whose core and surface must have different characteristics. Its subject comprises firstly a process for the production of a composite metal part by coating or hard-surfacing a metal core of low-all...	11/27/1984
4336083	Method of producing knife for cutting hot metal A knife for shearing hot metal at temperatures between about 1400° F. and 2400° F. and particularly between about 1800° F. and 2200° F. Typically, the knife is used for shearing blooms or strands produced by continuous casting into billets at like hig...	06/22/1982
4267241	Method of preparing steel-backed antifriction alloy, composite strips and products therefrom A method of improving steel-backed antifriction alloy; composite strips and products therefrom, wherein the antifriction alloys previously deposited on the steel backing strip are subjected throughout the strip length to a spot-by-spot fusion operation pe...	05/12/1981
4029934	Welding, and a steel suitable for use therein A steel which contains up to 0.15% carbon, 0.5 to 1.5% manganese, 0.03 to 0.10% silicon, 0.2 to 0.6% molybdenum, up to 0.05% aluminium, 0.03 to 0.05% titanium and 0.002 to 0.008% boron is particularly suitable as a welding consumable, for example as an el...	06/14/1977
4020312	Method of manufacturing thick, high-strength steel pipe for low temperature service A method of manufacturing a thick, high-strength steel pipe for low temperature service comprising the steps of forming into tubular shape a steel plate having a thickness of over 12 mm and a specific composition, of which the Ceq value is adju...	04/26/1977
4007351	System for installing high strength steel belts A method and apparatus for installing endless steel belts or steel bands of improved characteristics on machines of the type having a large roll and an endless steel belt extending around the roll and held under tension against the roll surface as the rol...	02/08/1977
4000010	Roll and process for producing same A roll and process for producing same are disclosed. This process includes the steps of: horizontally placing a core body made of a cast steel or a steel based Adamite containing from 0.5 to 2.5 %C, said core body having one or more circumferential groove...	12/28/1976
3966507	Process for manufacturing hollow-cylindrical rotors This invention relates to a process for manufacturing an axially symmetrical rotor adapted to rotate about the vertical axis thereof and having a length greater than the diameter thereof which comprises rolling a thin, high-strength steel sheet to form a ...	06/29/1976

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Class 148/524 - With metal fusion bonding step utilizing electron arc or beam