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| Number | Title | Issue Date |
| 7371344 | Method and apparatus for manufacturing a blank for a rotary cutting tool A blank for a rotary tool for chip removing machining, such as a helix drill or an end mill is formed by advancing a mixture of hard metal powder and carrier through an extrusion passage. The mixture is fed past a core having pins secured thereto for forming respect... | 05/13/2008 |
| 7326273 | Multi-element ceramic powder and method for preparation thereof, and sintered compact and method for preparation thereof After an alloy powder including W, Cr, at least one of Ti, Zr, and Hf, and at least one of V, Nb, and Ta is produced, the alloy powder, a powdery carbon material, and a catalyst are heat-treated in the presence of a nitrogen gas. The alloy powder is carbonitrided in... | 02/05/2008 |
| 7311873 | Process of direct powder rolling of blended titanium alloys, titanium matrix composites, and titanium aluminides The invention relates to manufacturing of fully dense strips, plates, sheets, and foils from titanium alloys, titanium metal matrix composites, titanium aluminides, and flat multilayer composites of said materials by direct powder rolling of blended powders followed... | 12/25/2007 |
| 7220936 | Pulse thermal processing of functional materials using directed plasma arc A method of thermally processing a material includes exposing the material to at least one pulse of infrared light emitted from a directed plasma arc to thermally process the material, the pulse having a duration of no more than 10 s. ... | 05/22/2007 |
| 7192551 | Inductive heating process control of continuous cast metallic sheets An apparatus for rolling of a powder metallurgical metallic workpiece is provided having a feeding device, a first induction heating apparatus in operable communication with a first RF generator and at least a first hot rolling mill. A process control device monitor... | 03/20/2007 |
| 7073559 | Method for producing metal fibers A method of producing metal fibers including melting a mixture of at least a fiber metal and a matrix metal, cooling the mixture to form a bulk matrix comprising at least a fiber phase and a matrix phase and removing at least a substantial portion of the matrix phas... | 07/11/2006 |
| 7067021 | Method of manufacturing multilayer material for plain bearing A method of manufacturing a multilayer material including a back metal and a metal plate made from a metal differing from the back metal is disclosed. The method includes heating powder of the metal formed into the metal plate in a reducing atmosphere so that an oxi... | 06/27/2006 |
| 7056470 | Capacitor-grade lead wires with increased tensile strength and hardness A capacitor-grade wire made from powder metallurgy containing at least niobium and silicon, wherein the niobium is the highest weight percent metal present in the niobium wire. The wire having a controlled tensile strength at finish diameter exceeds the strength of ... | 06/06/2006 |
| 7025928 | Method of flow forming a metal part A method of flow forming sintered metal parts. The first step is forming a round disk by conventional powder metal process. The disk can be a donut shape part with or without a flange on one side of its outer diameter. The disk can then be copper impregnated or used... | 04/11/2006 |
| 6997995 | Method for producing components with a high load capacity from TiAl alloys The invention relates to a method for producing components with a high load capacity from α+γ TiAl alloys, especially for producing components for aircraft engines or stationary gas turbines. According to this method, enclosed TiAl blanks of globular structure are... | 02/14/2006 |
| 6858176 | Method for sintering ferroalloy materials The invention relates to a method for sintering ferroalloy materials in a continuously operated band sintering process, in which method the pellets to be sintered are arranged on the sintering underlay as an essentially even pellet bed, which pellet bed is conveyed ... | 02/22/2005 |
| 6699430 | Method and device for producing a sintered metal blank with internally disposed helical recesses A method of producing a substantially regular cylindrical body that consists of a deformable material, especially a sintered metal blank. The blank is provided with an interior helical recess. The blank is first produced with a substantially linear course... | 03/02/2004 |
| 6699821 | Nb3Al superconductor and method of manufacture A Nb3 Al superconducting wire and method for fabricating the same wherein Nb and Al powders in combination, or Nb--Al alloy powders are encapsulated in a metal tube, preferably copper or copper-alloy (e.g., CuNi), and the resultant composite is... | 03/02/2004 |
| 6663826 | Method of high-density foil fabrication A method for preparing flat foils having a high density includes the steps of mixing a powdered material with a binder to form a green sheet. The green sheet is exposed to a high intensity radiative source adapted to emit radiation of wavelengths correspo... | 12/16/2003 |
| 6652805 | Highly filled composites of powdered fillers and polymer matrix Highly filled composite materials, e.g. comprising approximately 60 volume % or greater of finely powdered particles of filler in a polymer matrix, are made by dissolving polymer in a volatilisable solvent, adding filler and forming a homogeneous mixture ... | 11/25/2003 |
| 6543123 | Process for making constrained filament niobium-based superconductor composite A niobium-based superconductor is manufactured by establishing multiple niobium components in a billet of a ductile metal, working the composite billet through a series of reduction steps to form the niobium components into elongated elements, each niobiu... | 04/08/2003 |
| 6524526 | Structure and method for compaction of powder-like materials Structure and method for producing very dense bodies of material from particulate materials. A particle material is placed within an electrically conductive container. A solenoid or coil encompasses the electrically conductive container, and a large magni... | 02/25/2003 |
| 6428596 | Multiplex composite powder used in a core for thermal spraying and welding, its method of manufacture and use A multiplex powder composite for use in a cored wire electrode to be deployed in a thermal spray or welding apparatus. The composite comprises micron-sized particles and sub-micron-sized particles, including nano-scale particles, the particles mechanicall... | 08/06/2002 |
| 6312495 | Powder-metallurgically produced composite material and method for its production The present invention relates to a powder-metallurgically produced composite material comprising a matrix and a granular additive comprising at least one fine-grained refractory metal with an average grain size of at most 2 μm uniformly distributed in th... | 11/06/2001 |
| 6120936 | Method for powder formation of a hydrogen storage alloy A novel method for forming powder of a hydrogen storage alloy without the need for further mechanical processing. The alloy powder may be adapted for use as the negative electrode material of rechargeable electrochemical, hydrogen storage cells. The metho... | 09/19/2000 |
| 6038461 | Plastically deformable high temperature superconductive material and method of manufacturing formed body thereof There are disclosed a high temperature superconductive material which can be plastically deformed, processed optionally into predetermined configurations and industrially mass produced and a method of manufacturing a formed body of the high temperature su... | 03/14/2000 |
| 5997803 | Thermoelements prepared from powdered alloys and thermocouples made therefrom A method for making thermocouple wire from powdered alloys and metals. The metal or alloy is atomized from its liquid state into a powdered state as it leaves a melting vat. The powder is then compacted and cold worked to form thermocouple wire. Different... | 12/07/1999 |
| 5972069 | Metallic material made from tungsten or molybdenum, method of producing the metallic material, and secondary product material using the metallic material A primary product comprising tungsten or molybdenum accommodated in a container 1 is heated at 500° C. with 1000 atmospheric pressure in an Ar gas atmosphere and retained for 1 hour. According to the present invention, the crystal orientation in the (110... | 10/26/1999 |
| 5915160 | High strength gold wire for microelectronics miniaturization and method of making the same High strength gold wire for use in microelectronics and a method of producing the same are disclosed. In the methods of the present invention, a gold alloy having gold and a dilute rare earth (RE) element is produced. Next, the gold alloy is atomized into... | 06/22/1999 |
| 5864743 | Multi-channel structures and processes for making structures using carbon filler A method for making multi-channel structures suitable for use as filters, catalyst carriers or the like. A composite rod comprising an outer shell and an inner core is formed of respective mixtures of powders. The mixture for the outer shell comprises a s... | 01/26/1999 |
| 5850591 | Method of manufacturing a metal sheet A method of manufacturing a porous metal sheet having pores forming a pattern, comprising the steps of supplying metal powders to a peripheral surface, of at least one pattern roller of a pair of rollers, on which a pattern including a large number of con... | 12/15/1998 |
| 5798468 | Sintering material containing silver-tin oxide for electrical contacts and process for its manufacture An electrical contact material for switching rated currents between 20 and 100 Ampere having improved operational life made of 3.2 to 19.9 wt-% tin oxide and 0.05 to 0.4 wt-%, in each case, of indium oxide and bismuth oxide, the remainder being silver. In... | 08/25/1998 |
| 5774779 | Multi-channel structures and processes for making such structures A method for making multi-channel structures suitable for use as filters, catalyst carriers or the like. A composite rod comprising an outer shell and an inner core is formed of respective mixtures of powders. The mixture for the outer shell comprises a s... | 06/30/1998 |
| 5667903 | Method of hard facing a substrate, and weld rod used in hard facing a substrate A weld rod is prepared by placing a plurality of tungsten carbide/cobalt nuggets, preferably mixed with loose material, into a steel tube. The nuggets are previously sintered and have a generally ellipsoidal shape. A substrate is hard faced by progressive... | 09/16/1997 |
| 5628044 | Pure iron-zinc intermetallic galvanneal calibration standards High purity iron-zinc intermetallic calibration standards are produced using a slow diffusion technique. The alloys are pure to greater than 99.5 wt % and are homogenous to greater than 98%. The alloys can be used to calibrate instrumentation used to moni... | 05/06/1997 |
| 5597967 | Aluminum-silicon alloy foils Two-phase Al--Si alloy foils are made directly from Al--Si alloy powders by hot pressing. These Al--Si alloy foils are characterized by having a thickness of 0.017 in. or less, and by the fact that they are fine-grained and substantially free of oxygen, n... | 01/28/1997 |
| 5534219 | Method for producing multifilamentary niobium-tin superconductor A method for producing a multifilamentary superconductor containing niobium-tin (Nb3 Sn). A fully bonded niobium/copper composite billet is formed having a plurality of longitudinally extending channels which are symmetrically distributed with ... | 07/09/1996 |
| 5489411 | Titanium metal foils and method of making A high strength titanium alloy or titanium aluminide metal foil having improved strength and density is produced, preferably in coilable strip form, by plasma-depositing the selected titanium-based material on a receiving surface, separating the deposited... | 02/06/1996 |
| 5482671 | Method of manufacturing interlocking parts A method is provided for manufacturing interlocking parts, in which at least one part is manufactured by powder injection molding. To compensate for the amount of contraction of one of the parts manufactured by powder injection molding and, if desired, to... | 01/09/1996 |
| 5480601 | Method for producing an elongated sintered article Method for producing an elongated sintered article, characterized by the steps including filling powder material in a pipe, carrying out plastic deformation of the pipe filled with the powder material, and heating the pipe filled with the powder material ... | 01/02/1996 |
| 5474736 | Methods for manufacturing tubes filled with powdery and granular substances A method for manufacturing tubes filled with powdery and/or granular substances comprising the steps of forming a metal strip into a tube, feeding powdery and/or granular substances into the tube being formed as a core, joining together the edges of the t... | 12/12/1995 |
| 5439636 | Large ceramic articles and method of manufacturing A large ceramic substrate article for electronic applications including at least one layer of sintered ceramic material, the layer including a plurality of greensheet segments of ceramic material joined edge to edge. Also disclosed is a method of fabricat... | 08/08/1995 |
| 5429791 | Silver-high temperature superconductor composite material manufactured based on powder method, and manufacturing method therefor An article and method of manufacture of a (Bi,Pb)--Sr--Ca--Cu--O superconductor comprising calcinating powders of superconductor precursors of PbO, Bi2 O3, SrCO3 or SrO, CaCO3 or CaO in air to obtain a 2223 supe... | 07/04/1995 |
| 5314655 | Method and apparatus for producing continuous powder metallurgy compacts Continuous powder metallurgy compacts are produced from metal powder (1) placed in a tapered powder consolidation region (2) of a forming die (1). The die is made to undergo ultrasonic radial vibration about the consolidation region to effect radial compa... | 05/24/1994 |
| 5248464 | Article of ceramic material and production thereof A process for the production of a shaped article of a ceramic material in which a composition comprising particulate ceramic material and a liquid medium is shaped, the liquid medium is removed from the shaped composition, and the composition is heated to... | 09/28/1993 |
