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| Number | Title | Issue Date |
| 7442445 | Brazing clad material, and brazing method and brazing product using the same A brazing clad material is a composite material that comprises a base material and a brazing material layer formed integrally on the base material. The brazing material layer has a Ni or Ni alloy layer, a Ti or Ti alloy layer and a Fe—Ni alloy layer that are seque... | 10/28/2008 |
| 7419086 | Low cost brazes for titanium A braze material and method of brazing titanium metals. The material may consist of Ti, Ni, Cu Zr, PM and M where PM is a precious metal and M may be Fe, V, Cr, Co, Mo, Nb, Mn, Si, Sn, Al, B, Gd, Ge or combinations thereof, with the (Cu+PM)/Ni ratio around 0.9. Opti... | 09/02/2008 |
| 7326892 | Process of microwave brazing with powder materials A process for heating a powder material by microwave radiation so that heating of the powder material is selective and sufficient to cause complete melting of the particles. The process entails providing a mass of powder comprising a quantity of filler particles of ... | 02/05/2008 |
| 7201973 | Bimetallic plate-fin titanium based heat exchanger A heat exchanger of the plate-fin type has fins of one metal brazed to a plate made of a different metal for use in oil coolers, condensers, evaporators, and the like. The distortion-prone titanium fins of conventional heat exchangers may be replaced with another me... | 04/10/2007 |
| 7131569 | Titanium-made plate-type heat exchanger and production method therefor The present invention provides a titanium-made plate-type heat exchanger comprising first-fluid flow paths and second-fluid flow paths arranged alternately, which is formed by joining titanium-made constituting members, wherein: a titanium-zirconium based brazing so... | 11/07/2006 |
| 6732909 | Backing plate and its manufacturing process A backing plate of Ti for supporting a Ti sputtering target is formed of at least two components welded together. The backing plate is welded by interposing a Cu or Zr foil or powder between faces to be welded, and then heating the assembly to a reaction temperature... | 05/11/2004 |
| 6692586 | High temperature melting braze materials for bonding niobium based alloys This invention relates to a high temperature melting composition and a method of using the composition for brazing high temperature niobium-based substrates, such as niobium-based refractory metal-intermetallic compositions (RMIC), including but not restr... | 02/17/2004 |
| 6475637 | Liquid interface diffusion bonded composition and method A liquid interface diffusion bonded composition comprises a metal honeycomb core such as a titanium honeycomb core and a metal facing sheet such as a titanium facing sheet bonded thereto. The composition is prepared by a method comprising: (a) providing a... | 11/05/2002 |
| 6415182 | Hermetic ground pin assembly and method of making A hermetic ground pin assembly for making an electrical connection between a hermetically sealed enclosure and an external circuit. A case has an aperture and a plug located within the aperture. A low temperature braze alloy is located between the plug an... | 07/02/2002 |
| 6223976 | Process for the assembly or refacing of titanium aluminide articles by diffusion brazing A process for assembling titanium aluminide articles by diffusion brazing comprises the following steps: (a) Preparation of a homogenous mixture of a titanium aluminide powder A of 40 to 90 weight % and a powder B chemically wetting A and having an apprec... | 05/01/2001 |
| 6168069 | Method of brazing titanium to stainless steel Surprisingly, silver-copper-palladium brazing alloys, which have hitherto been used only for the brazing of components of the same material, are also very well suited for brazing directly titanium to stainless steel if, the latter component clasps the tit... | 01/02/2001 |
| 6149051 | Braze titanium A method of brazing a Ti-15 Mo-3 Nb-3 Al-0.2 Si base material includes the steps of coating a braze material onto a base material. The braze material comprises substantially only a Ti--Cu--Ni--Zr mixture, with the mixture comprising about 40 wt % Ti. In p... | 11/21/2000 |
| 5873703 | Repair of gamma titanium aluminide articles A surface defect in a gamma titanium aluminide article is repaired by weld repairing the defect and thereafter sealing the surface-connected cracks in the weldment. The surface-connected cracks are repaired by applying to the region of the weldment a powd... | 02/23/1999 |
| 5593082 | Methods of bonding targets to backing plate members using solder pastes and target/backing plate assemblies bonded thereby Methods of solder bonding sputter targets to backing plate members and solder bonded target/backing plate assemblies are available wherein a solder paste is used to bond adjoining target and backing plate surfaces. This paste comprises a low melting point... | 01/14/1997 |
| 5429877 | Internally reinforced hollow titanium alloy components An internally reinforced hollow structure is described which comprises a layer of titanium metal matrix composite applied to the internal surfaces of structural segments comprising the hollow structure, the segments then being joined to form the desired h... | 07/04/1995 |
| 5382769 | Resistance brazed joints for carbon/carbon structures Carbon/carbon materials are joined together by the placement of a brazing alloy between the materials to be joined applying a clamping pressure and passing an electric current through the parts and brazing alloy until the brazing.multidot.k15H alloy melts... | 01/17/1995 |
| 5354623 | Joint, a laminate, and a method of preparing a nickel-titanium alloy member surface for bonding to another layer of metal A joint and a laminate including a nickel-titanium alloy such as Nitinol and a method for preparing the surface of a nickel-titanium alloy member for bonding solder material and, electively, another similar or dissimilar member thereto. The method include... | 10/11/1994 |
| 5249730 | Process for the manufacture of zirconium based tubes formed from layers of varying composition The present invention relates to a process for the manufacture of zirconium based tubes formed from layers of varying composition. The process consists in preparing the tubular blank which is intended to form the outer layer of the tube by rolling-solderi... | 10/05/1993 |
| 5242759 | Joint, a laminate, and a method of preparing a nickel-titanium alloy member surface for bonding to another layer of metal A joint and a laminate including a nickel-titanium alloy such as nitinol and a method for preparing the surface of a nickel-titanium alloy member for bonding solder material and, electively, another similar or dissimilar member thereto. The method include... | 09/07/1993 |
| 5242102 | Method for forming and diffusion bonding titanium alloys in a contaminant-free liquid retort A method of forming metallic structures that consists of immersing shaping dies with a blank workpiece sandwiched between them in a molten metal or alloy bath at a temperature within the superplastic temperature range of the workpiece. The pressure necess... | 09/07/1993 |
| 5129574 | Braze bonding of oxidation-resistant foils A ductile oxidation-resistant foil is joined to a titanium alloy substrate by means of a silver-based braze alloy. The braze alloy acts as a bonding agent to join the oxidation-resistant foil to the titanium alloy substrate.... | 07/14/1992 |
| 5110035 | Method for improving the solderability of corrosion resistant heat exchange tubing Methods for fabricating and repairing heat exchange tubing are provided including depositing an integral solderable coating onto a surface oxide of a tubular member and then soldering a plurality of spaced fins onto the integral solderable coating. The me... | 05/05/1992 |
| 5028495 | Composite foil brazing material and method of using A composite foil brazing material for joining ceramics to each other or to metal, which is made up of a core of Ti and outer layers of Ni or Ni alloy containing less than 80% of Cu, with the core and the composite foil having the respective sectional area... | 07/02/1991 |
| 5009360 | Metal-to-metal bonding method and resulting structure A method and resulting structure is disclosed in which a metal-to-metal bond is formed by heating the surfaces to be bonded in an oxidizing ambient atmosphere until the desired bond is achieved. Heating takes place at 700° C.-1200° C. and bonding may be... | 04/23/1991 |
| 4995550 | Valve metal/platinum composite electrode A composite electrode based on a valve metal with a layer of a platinum foil securely adhering thereto is produced by hot isostatic pressing of the valve metal base and platinum foil between separating sheets; the separating sheet which comes in contact w... | 02/26/1991 |
| 4995547 | Process for brazing a metal object to a ceramic surface defining a hole for receiving the metal object The present invention provides a method for brazing a metal object to a ceramic surface defining a recess for receiving the metal object where the space between the metal object and the ceramic surface defining the recess inhibits the establishment of the... | 02/26/1991 |
| 4993054 | Brazed X-ray tube anode assembly An improved rotary x-ray target wherein a rotor stud member is fastened to a hub portion, with both the stud member and the hub portion composed of a refractory metal. The fastening of the stud member to the hub portion is effected by a brazing alloy comp... | 02/12/1991 |
| 4961529 | Method and components for bonding a silicon carbide molded part to another such part or to a metallic part A layer of titanium carbosilicide Ti3 SiC2 on a silicon carbide surface polished for making a joint makes it possible to join silicon carbide bodies together in a hot pressing procedure and obtaining a joint strength comparable to th... | 10/09/1990 |
| 4957236 | Method of brazing parts of Ti-Al-Nb alloy A brazing alloy-filler metal for brazing parts made of TiAlNb alloys has a brazing temperature of about 1020° to 1250° C. and a composition of, in weight percent, 37-75 titanium, 5-43 niobium, 20-58 nickel.... | 09/18/1990 |
| 4917642 | Air-tight ceramic container A method of manufacturing an air-tight ceramic container is disclosed. This method includes the steps of coating an active metal consisting of Ti and/or Zr on an opening end face of a ceramic tubular member in an amount of 0.1 to 10 mg/cm2, the... | 04/17/1990 |
| 4883640 | Titanium-niobium-nickel brazing alloy A brazing alloy-filler metal for brazing parts made of TiAlNb alloys has a brazing temperature of about 1020° to 1250° C. and a composition of, in weight percent, 37-75 titanium, 5-43 niobium, 20-58 nickel.... | 11/28/1989 |
| 4869421 | Method of jointing titanium aluminide structures A method of diffusion brazing two or more titanium alloy metal parts, such as sheets, thick sections or a honeycomb core to one or two face sheets, to form a unitary panel. A low melting copper-nickel layer is interposed between the faying surfaces of two... | 09/26/1989 |
| 4819857 | Method for fabricating composite structure A method for fabricating a composite structure, in which an intermediate member is sandwiched between first and second members, is disclosed. In this method, the intermediate member is disposed along the periphery of a spatial region formed between facing... | 04/11/1989 |
| 4795313 | Protective tip for a titanium blade and a method of brazing such a tip A protective tip (5) for a titanium steam-turbine blade (1), comprises 28% to 40% TiC, 12% to 26% Cr+Co, 1% to 6% Mo, 3% to 8% Ni 0.3% to 1.5% Cu and a balance of Fe. The tip (5) is brazed to the blade (1) by interposing a copper-based strip (6) having a ... | 01/03/1989 |
| 4774953 | Self-supporting terminal for implantable pulse generator and method of manufacturing the same A terminal for an implantable pulse generator for connecting an electrode lead to the generator includes a base section formed of partially stabilized zirconia (PSZ) mounted on the exterior of the pulse generator housing and a conductive terminal member c... | 10/04/1988 |
| 4736400 | Diffusion bonded x-ray target A rotatable x-ray target assembly and process for manufacturing the same is provided for an x-ray tube. The x-ray target assembly comprises an x-ray target member having an opening disposed therethrough and a support member having: a mounting surface disp... | 04/05/1988 |
| 4729504 | Method of bonding ceramics and metal, or bonding similar ceramics among themselves; or bonding dissimilar ceramics A bonding method using, as bonding agent, brazing filler metal, or composite plating, or a combination of composite plating and ceramic spraying. In the first case, there are provided on the bonding region titanium powder and brazing filler metal alloyabl... | 03/08/1988 |
| 4727633 | Method of securing metallic members together Two metallic members are connected together over a defined area of respective surfaces of the members by providing at least one layer of metal on at least one of the surfaces. The or each layer of metal has at least one elementary component and is of esse... | 03/01/1988 |
| 4725509 | Titanium-copper-nickel braze filler metal and method of brazing A filler metal material particularly suited for brazing titanium base articles is described. In a preferred embodiment, the material is characterized by a central portion of titanium, and adjacent layers of copper and nickel. The solidus and liquidus temp... | 02/16/1988 |
| 4709848 | Method of bonding 1. A method of making a fuel-containing structure for nuclear reactors, comprising providing an assembly comprising a plurality of fuel units; each fuel unit consisting of a core plate containing thermal-neutron-fissionable material, sheets of cladding me... | 12/01/1987 |
