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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 |
| 7328832 | Gold/nickel/copper brazing alloys for brazing WC-Co to titanium alloys A brazing material including about 40 to about 60 percent by weight gold, about 5 to about 16 percent by weight nickel and about 35 to about 55 percent by weight copper. ... | 02/12/2008 |
| 7293688 | Gold/nickel/copper/aluminum/silver brazing alloys for brazing WC-Co to titanium alloys A brazing material including about 2 to about 30 percent by weight gold, about 4 to about 14 percent by weight nickel, about 25 to about 65 percent by weight copper, about 1 to about 3 percent by weight aluminum and about 20 to about 55 percent by weight silver.... | 11/13/2007 |
| 7294411 | Brazing product and method of its manufacture The invention relates to a brazing sheet product comprising a core sheet, a clad layer on said core sheet made of an aluminum alloy containing silicon in an amount in the range of 4 to 14% by weight, an optional layer comprising nickel on the outersurface of said cl... | 11/13/2007 |
| 7261784 | Method of making a coating on a metal substrate and/or an article, such a coating, such a metal substrate and/or an article, and a cam forming such an article The method of the invention enables a coating to be made on at least one face to be protected of a metal substrate and/or article in order to improve its performance in terms of resistance to wear by friction, in particular at high temperature. The method comprises ... | 08/28/2007 |
| 6968991 | Diffusion bond mixture for healing single crystal alloys A diffusion bond mixture paint and method for repairing a single-crystal superalloy article that minimizes the amount of braze alloy applied to the article. The amount of boron and eutectic brittle borides of the wide gap brazing processes is minimized, resulting in... | 11/29/2005 |
| 6885104 | Semiconductor copper bond pad surface protection Electronic packages with uninsulated portions of copper circuits protected with coating layers having thicknesses that are suitable for soldering without fluxing and are sufficiently frangible when being joined to another metal surface to obtain metal-to-metal conta... | 04/26/2005 |
| 6863995 | Method for brazing components using a Ni-Au-P ternary brazing alloy, the assembly so produced and the ternary alloy A method for using a novel ternary nickel-gold-phosphorus brazing alloy for joining nickel-based components together and the assembly so formed. ... | 03/08/2005 |
| 6852428 | Layered heat-resistant alloy plate and method of producing the same Objects of the present invention are to provide a laminated heat resistant alloy plate has a large area, and to provide a manufacturing method therefor. The laminated heat resistant alloy plate according to the present invention is obtained by brazing a Ni alloy pla... | 02/08/2005 |
| 6720086 | Liquid interface diffusion bonding of nickel-based superalloys A liquid interface diffusion bonded composition comprises a metal honeycomb core such as a nickel-alloy honeycomb core and a nickel-alloy facing sheet bonded thereto. The composition and method of this invention are useful in applications where high strength, heat r... | 04/13/2004 |
| 6602777 | Method for controlling the formation of intermetallic compounds in solder joints The present invention relates to a method for controlling the formation of the intermetallic compounds in solder joints, The types of the intermetallic compounds between the SnAgCu solders and the Ni-bearing substrate can be controlled by adjusting the co... | 08/05/2003 |
| 6541075 | Method for forming a thermal barrier coating system An article includes a substrate and an adhesion layer overlying the substrate. The adhesion layer includes a first phase including particles, and a second phase including braze alloy that bonds the particles to the substrate. The article further includes ... | 04/01/2003 |
| 6454885 | Nickel diffusion braze alloy and method for repair of superalloys A braze alloy powder mixture that includes a low-melt powder composition and a high-melt powder composition. The low-melt powder composition is made of one or more low-melt powders and includes 50-70% Ni, 8-20% Cr, 8-15% Ta, 4-10% Co, 2-7% Al, and up to 2... | 09/24/2002 |
| 6200690 | Nickel-chromium-based brazing alloys A nickel-chromium-based brazing alloy has a composition consisting essentially of about 9.5 to about 16.5 atom percent chromium, 0 to about 5 atom percent iron, about 10 to about 15 atom percent silicon, about 6 to less than 7 atom percent boron, and 0 to... | 03/13/2001 |
| 6195864 | Cobalt-base composition and method for diffusion braze repair of superalloy articles An improved cobalt-base braze alloy composition and method for diffusion brazing are provided for use in repairing superalloy articles, such as gas turbine engines, power generation turbines, refinery equipment, and heat exchangers. The improved cobalt-ba... | 03/06/2001 |
| 6164916 | Method of applying wear-resistant materials to turbine blades, and turbine blades having wear-resistant materials A method of applying a wear-resistant hardface material (alloy) to a portion of a turbine blade, typically a wear surface on a shrouded turbine blade. A thin foil of brazing alloy (which in the preferred embodiment is a nickel-based alloy) is placed over ... | 12/26/2000 |
| 6056507 | Article with brazed end plate within an open body end A method for preparing a Ni base superalloy inner wall surface of a body open end, such as an end of a turbomachinery blade, and an end plate, such as a blade tip cap, for brazing together at a rim of the end plate includes electrochemically removing oxid... | 05/02/2000 |
| 6054693 | Microwave technique for brazing materials A method enabling controlled selective heating of workpiece components during microwave brazing. Two workpiece components are joined by melting an adhesion interlayer material between the two components. An indication of when the interlayer has melted is ... | 04/25/2000 |
| 5950906 | Reversible brazing process A method of reversibly brazing surfaces together. An interface is affixed to each surface. The interfaces can be affixed by processes such as mechanical joining, welding, or brazing. The two interfaces are then brazed together using a brazing process that... | 09/14/1999 |
| 5916518 | Cobalt-base composition An improved cobalt-base braze alloy composition and method for diffusion brazing are provided for use in repairing superalloy articles, such as gas turbine engines, power generation turbines, refinery equipment, and heat exchangers. The improved cobalt-ba... | 06/29/1999 |
| 5806751 | Method of repairing metallic alloy articles, such as gas turbine engine components A method of repairing a metallic alloy article having a defect cavity greater than about 0.010 inches (2.5×10-4 m) in maximum width is disclosed. One aspect of the invention includes providing a first metallic filler material (10) in the defec... | 09/15/1998 |
| 5666643 | High temperature braze material A braze material is provided for repairing an article, and particularly components formed from cobalt and nickel-base superalloys, such as gas turbine engine components. The braze material is composed of high melt particles distributed within a braze allo... | 09/09/1997 |
| 5649994 | Cobalt-phosphorous-base wear resistant coating for metallic surfaces A wear resistant coating includes a mixture or compound of Cobalt and Phosphorous either alone or mixed with one or more alloys to provide a coating for metallic surfaces rendering the metallic surfaces more resistant to wear. A preferred combination of C... | 07/22/1997 |
| 5598968 | Method for preventing recrystallization after cold working a superalloy article A process is provided for manufacturing and repairing components, and particularly superalloy components such as gas turbine engine components. The invention entails forming precipitates in a surface of the article that has been cold worked as a result of... | 02/04/1997 |
| 5549767 | Heat treatment and repair of cobalt base superalloy articles An improved method is described for repairing Co-base superalloy gas turbine engine components by applying a mixture of base alloy powder and base alloy powder with a melting point depressant to the surface of the component and heating at 2250°-2300° F.... | 08/27/1996 |
| 5399265 | Filter septum A filter septum is constructed with a stainless steel sheet microscreen element which has uniformly distributed apertures through which a liquid to be filtered is passed from an inlet side to an exit side of the element. The apertures are preferably taper... | 03/21/1995 |
| 5330482 | Endoscopic extraction devices, wire basket stone extractors, stent retrievers, snares and method of constructing the same Disclosed herein is an endoscopic extraction device which retains its operative usefulness for longer periods of time, and therefore need to be replaced less frequently. This extended instrument life is accomplished through the use of a composite wire con... | 07/19/1994 |
| 5240491 | Alloy powder mixture for brazing of superalloy articles A series of braze materials for brazing superalloy substrates at effective brazing temperatures above about 2300° F. is described. The braze materials are formulated as mixtures of cobalt- and nickel-base alloy powders. Each such braze material contains ... | 08/31/1993 |
| 5234153 | Permanent metallic bonding method A laser device is bonded to a diamond submount by means of a procedure including (1) codepositing an auxiliary layer, on a layer of barrier metal that has been deposited overlying the submount, followed by (2) depositing a wetting layer on the auxiliary l... | 08/10/1993 |
| 5180099 | Process of joining of a galvanized steel sheet A process of joining galvanized steel sheets using a solder comprising copper and 10~30% by weight nickel with a welding machine. The process of joining the galvanized steel sheets includes a first step of phosphatizing before the joining.... | 01/19/1993 |
| 5133812 | Corrosion resistant cutting tool and method of manufacture A completely corrosion resistant, high strength cutting tool such as an orthodontic wire cutter includes a stainless steel body having a pair of corrosion resistant alloy steel bonding tips brazed thereto. The tips are brazed to the body using a nickel al... | 07/28/1992 |
| 5102031 | Method for depositing braze alloy to base metal surfaces using electric discharge process Braze filler alloy is specifically applied and metallurgically bonded to a desired region of a nickel based superalloy workpiece using an electrospark deposition technique. The braze filler alloy is deposited onto, and concurrently metallurgically alloyed... | 04/07/1992 |
| 5056702 | Method of manufacturing a semiconductor device A method of manufacturing a semiconductor device comprising a ceramics cylinder, a metal seal member closing an open end of the cylinder, a semiconductor element located within the cylinder and having electrodes, and leads or electrodes connected to the e... | 10/15/1991 |
| 5005757 | Bonded segmented cylindrical magnet assembly A number of rare earth-cobalt permanent magnet segments are temporarily secured together by means of a tool. Before securement the segment surfaces at each interface are pre-tinned. A solder pre-form in the shape of a "wagon wheel" rests on one transverse... | 04/09/1991 |
| 4956238 | Manufacture of cutting structures for rotary drill bits A cutting structure, for a rotary drill bit, is of the kind comprising a preform cutting element having a front cutting face formed of superhard material, such as polycrystalline diamond, and a rear face bonded to a carrier of less hard material, such as ... | 09/11/1990 |
| 4940566 | Alloy and methods of use thereof A nickel based alloy is devised, for the purpose of using it as a brazing foil to join parts of a nickel based superalloy component together to make a whole, or for using it as a powder bound by an acrylic or water based binder, to build up damaged surfac... | 07/10/1990 |
| 4910098 | High temperature metal alloy mixtures for filling holes and repairing damages in superalloy bodies A silicon-free metal powder mixture suitable for filling holes, slots and widegap joints in high temperature superalloys and/or for reforming damaged or missing surface extensions thereof, and capable of being processed at a temperature of about 2000° F.... | 03/20/1990 |
| 4907733 | Method for attaching carbon composites to metallic structures and product thereof A method is disclosed for creating a strong point for the attachment of carbon composites to metallic bodies that is suitable at high temperatures (1600° F.) as well as ambient temperatures. A pocket of suitable dimensions and depth is molded into the ca... | 03/13/1990 |
| 4903890 | Gold-palladium-nickel-copper-manganese filler metal for joining superalloy A filler metal for brazing parts made of superalloys has a brazing temperature of 1025°-1080° C., a solidus temperature above 1000° C., a liquidus temperature above 1018° C. and a composition of, in weight percent, 5-30 gold, 15-35 palladium, 10-30 ... | 02/27/1990 |
| 4895291 | Method of making a hermetic seal in a solid-state device A method of making a hermetic seal for a solid-state device is disclosed. The device includes a ceramic housing having a cavity for an element such as an image sensor. A cover formed of a transparent material is sealed to the housing to close the cavity. ... | 01/23/1990 |
