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| Number | Title | Issue Date |
| 7332122 | Ti(C,N)-(Ti,Nb,W)(C,N)-Co alloy for milling cutting tool applications A titanium based carbonitride alloy containing Ti, Nb, W, C, N and Co. The alloy also contains, in addition to Ti, 9-14 at % Co with only impurity levels of Ni and Fe, 1- | 02/19/2008 |
| 7169347 | Making a molding tool A die comprises metal-rich sections which form an inner wall and an outer wall of the die, respectively. Gradient sections are disposed adjacent to the metal-rich sections, respectively. Further, a ceramics-rich section is disposed between the gradient sections. A p... | 01/30/2007 |
| 6918943 | Machining tool and method of producing the same A machining surface of a machining tool such as a drill is composed of a metal-rich section. A ceramics-rich section is formed centrally in the drill. Further, a gradient section is provided between the ceramics-rich section and the metal-rich section. In the gradie... | 07/19/2005 |
| 6919040 | Method of producing an abrasive product containing cubic boron nitride A method of producing an abrasive product consists of providing a mixture of a mass of discrete carbide particles and a mass of cubic boron nitride particles, the cubic boron nitride particles being present in the mixture in an amount such that the cubic boron nitri... | 07/19/2005 |
| 6506226 | Hard metal or cermet body and method for producing the same The invention relates to a hard metal or cermet body with a hard material phase consisting of WC and/or at least one carbide, nitride, carbonitride and/or oxicarbonitride of at least one of the elements from group IVa, Va, or VIa of the periodic table and... | 01/14/2003 |
| 6129891 | Titanium-based carbonitride alloy with controllable wear resistance and toughness The present invention relates to a sintered body of titanium-based carbonitride alloy comprising hard constituents containing at least tungsten in addition to titanium in a binder phase based on cobalt. There are four distinctly different microstructural ... | 10/10/2000 |
| 6024776 | Cermet having a binder with improved plasticity Cermets having a Co--Ni--Fe-binder are described. The Co--Ni--Fe-binder is unique in that even when subjected to plastic deformation, the binder substantially maintains its face centered cubic crystal structure and avoids stress and/or strain induced phas... | 02/15/2000 |
| 5918103 | Plate-crystalline tungsten carbide-containing hard alloy, composition for forming plate-crystalline tungsten carbide and process for preparing said hard alloy Disclosed are a plate-crystalline tungsten carbide-containing hard alloy which comprises 4 to 40% by volume of a binder phase containing at least one of iron group metals selected from Co, Ni and Fe as a main component; and the balance of a hard phase com... | 06/29/1999 |
| 5889219 | Superhard composite member and method of manufacturing the same A sintered body having diamond grains dispersed and held in a matrix of cemented carbide or cermet is obtained by direct resistance heating and pressurized sintering. The sintering is performed at a liquid phase generating temperature in a short time, so ... | 03/30/1999 |
| 5860055 | Process for producing granular material and shaped parts from hard metal materials or cermet materials In a process for producing granular material in which at least one hard material phase is mixed with a metal powder and a binder and granulated, no premixing of the hard material phase and the metal powder takes place before mixing with the binder and the... | 01/12/1999 |
| 5762843 | Method of making composite cermet articles Methods for making, methods for using and articles having cermets, preferably cemented carbides and more preferably tungsten carbide, having at least two regions exhibiting at least one property that differs are discussed. Preferably, the cermets further ... | 06/09/1998 |
| 5754935 | Vane material and process for preparing same The present invention provides a vane material having an excellent scuffing resistance in a compressor employing an alternative Freon gas as a cooling medium and a process for the preparation thereof. In accordance with the present invention, a vane mater... | 05/19/1998 |
| 5694639 | Titanium based carbonitride alloy with binder phase enrichment A sintered body of titanium based carbonitride alloy containing hard constituents based on, in addition to titanium, one or more of the metals Zr, Hf, V, Nb, Ta, Cr, No or W in 5-30% binder phase based on Co and/or Ni is disclosed. The body has a binder p... | 12/02/1997 |
| 5682590 | Coated titanium-based carbonitride A titanium-based carbonitride grade for finishing and semi-finishing turning operations with excellent properties is obtained starting from a titanium-based carbonitride grade used for milling operations. The carbon content of a conventional titanium-base... | 10/28/1997 |
| 5670726 | Cermet and method of producing it In order to improve the toughness characteristics of a cermet alloy, while retaining high resistance to wear, a composition is disclosed which contains 30 to 60% by weight of Ti, 5 to 20% by weight of W, 5 to 15% by weight of Ta, in which up to 70% of the... | 09/23/1997 |
| 5590388 | Molded ceramic articles and production method thereof A method of producing a molded ceramic article comprises the first step mixing powdery raw materials and a liquid additive, thereby obtaining a mixed raw material, the second step press-molding the mixed raw material obtained in the first step in a hydros... | 12/31/1996 |
| 5590393 | Neutron-absorbing material and its production process The invention relates to a neutron-absorbing material and to its production process. This material comprises a homogeneous, boron carbide matrix 1 in which are dispersed e.g. pseudospherical, 150 to 500 μm , calibrated clusters 3 of boride such as HfB | 12/31/1996 |
| 5579532 | Rotating ring structure for gas turbine engines and method for its production A composite jet engine compressor ring is made by casting a tape reinforced with ceramic fibers, winding the cast tape around a mandrel to form an unconsolidated ring, heating the ring to drive off binder, and pressing at a high temperature to form a unit... | 11/26/1996 |
| 5470372 | Sintered extremely fine-grained titanium-based carbonitride alloy with improved toughness and/or wear resistance There is now provided a sintered titanium-based carbonitride alloy for metal cutting containing hard constituents based on Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and/or W and 3-30% binder phase based on Co and/or Ni. The structure contains well-dispersed and/or as... | 11/28/1995 |
| 5462575 | Co-Cr-Mo powder metallurgy articles and process for their manufacture A powder metallurgy article formed from a Co--Cr--Mo alloy powder and a method for making the article are disclosed. The Co--Cr--Mo alloy powder contains, in weight percent, about 0.35% max. C, about 1.00% max. Mn, about 1.00% max. Si, about 26.0-30.0% Cr... | 10/31/1995 |
| 5460640 | Alumina-rare earth oxide ceramic-metal bodies A fully dense ceramic-metal body including 40-88 v/o of an oxide hard phase of, in v/o of the body, 4-88 v/o M-aluminum binary oxides, where the binary oxide has a C-type rare earth, garnet, ଲ-MAl11 O18, or perovskite crystal s... | 10/24/1995 |
| 5437833 | Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby This invention relates generally to a novel method of manufacturing a composite body, such as a ZrB2 --ZrC--Zr (optional) composite body, by utilizing a post-treatment process and to the novel products made thereby. More particularly, the inven... | 08/01/1995 |
| 5434112 | High pressure injection nozzle A high pressure injection nozzle member is formed of a super hard alloy or a hard material of carbide series mainly composing of a tungsten carbide as, wherein the tungsten carbon is composed of grains each having a diameter of less than 1 μm. At least o... | 07/18/1995 |
| 5421851 | Sintered carbonitride alloy with controlled grain size The present invention relates to a sintered titanium-based carbonitride alloy for milling and turning where the hard constituents are based on Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and/or W and the binder phase based on Co and/or Ni. The structure comprises 10-50... | 06/06/1995 |
| 5403541 | Method of making a sintered insert Method of making sintered insert for milling and turning formed of a titanium-based carbonitride containing hard constituents and binder phase metal comprising milling at least one hard constituent with binder phase metal, adding a second hard constituent... | 04/04/1995 |
| 5403374 | Watch exterior parts and manufacturing method thereof A watch exterior part is formed of cemented carbide or stellite alloy, and has a three-dimensionally curved as-sintered surface or a small hole with an as-sintered interior peripheral surface, or has a three-dimensionally curved polished surface obtained ... | 04/04/1995 |
| 5403373 | Hard sintered component and method of manufacturing such a component A hard sintered component of a cemented carbide or a stellite alloy having a complex three-dimensional shape and a small hole or the like and the high strength originally provided by the used material for making the component without any secondary working... | 04/04/1995 |
| 5403790 | Additives for property modification in ceramic composite bodies This invention relates generally to a novel method of manufacturing a composite body. More particularly, the present invention relates to a method for modifying the resultant properties of a composite body, by, for example, minimizing the amount of porosi... | 04/04/1995 |
| 5403542 | Sintered carbonitride alloy with highly alloyed binder phase Method of manufacturing a sintered carbonitride alloy comprising wet milling powders of forming binder phase containing Co, Ni and mixture thereof and powder forming hard constituents of nitrides and carbonitrides with Ti as the main component to a mixtur... | 04/04/1995 |
| 5382405 | Method of manufacturing a shaped article from a powdered precursor A method of manufacturing a shaped article from a powdered precursor, wherein the components of the powdered precursor are subjected to a self-propagating high-temperature synthesis (SHS) reaction and are consolidated essentially simultaneously. The shape... | 01/17/1995 |
| 5371049 | Ceramic composite of silicon carbide and aluminum nitride A ceramic composite is disclosed which may be used as lightweight armor or for other impact or wear resisting purposes. The ceramic composite may comprise distinct phases of AlN and SiC; may be a solid solution of SiC; or may contain AlN or SiC, or both A... | 12/06/1994 |
| 5354536 | Monolithic, fully dense silicon carbide material, method of manufacturing and end uses A silicon carbide material is made following a procedure including hot pressing to provide a finished product having a microstructure with an optimal grain size of less than 7 micrometers. The material exhibits a dominant failure mode of intergranular fra... | 10/11/1994 |
| 5334561 | High pressure injection nozzle A high pressure injection nozzle member is formed of a super hard alloy or a hard material of carbide series mainly composing of a tungsten carbide as, wherein the tungsten carbon is composed of grains each having a diameter of less than 1 μm. At least o... | 08/02/1994 |
| 5330553 | Sintered carbonitride alloy with highly alloyed binder phase A sintered titanium-based carbonitride alloy contains hard constituents based on, in addition to Ti, W and/or Mo, one or more of the metals Zr, Hf, V, Nb, Ta or Cr in 5-30% binder phase based on Cobalt and/or nickel. The content of tungsten and/or molybde... | 07/19/1994 |
| 5326525 | Consolidation of fiber materials with particulate metal aluminide alloys A process is disclosed for fabricating a metal aluminide composite which comprises providing a metal aluminide, such as titanium aluminide, or a titanium aluminide alloy, and a reinforcing fiber material, such as silicon carbide fiber, and placing an inte... | 07/05/1994 |
| 5314657 | Sintered carbonitride alloy with improved toughness behavior and method of producing same There is now provided a method of manufacturing a sintered body of titanium-based carbonitride alloy comprising hard constituents in 5-25% binder phase where the hard constituents contain, in addition to Ti, one or more of the metals V, Nb, Ta, Cr, Mo or ... | 05/24/1994 |
| 5310605 | Surface-toughened cemented carbide bodies and method of manufacture A process for producing a ceramic-metal composite body exhibiting binder enrichment and improved fracture toughness at its surface. The process involves forming a shaped body from a homogeneous mixture of: (a) about 2-15 w/o Co or about 2-12 w/o Ni binder... | 05/10/1994 |
| 5275982 | Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby The present invention relates to a novel method of manufacturing a composite body, such as a ZrB2 --ZrC--Zr composite body, by utilizing a post-treatment technique which may improve the oxidation resistance of the composite body. Moreover, the ... | 01/04/1994 |
| 5211766 | Anisotropic neodymium-iron-boron permanent magnets formed at reduced hot working temperatures Additions of carbon or tantalum ranging between about 0.1 to about 0.15 weight percent are added to an iron-rare earth metal permanent magnet alloy. The permanent magnet alloy contains the magnetic phase consisting of Fe14 Nd2 B (or ... | 05/18/1993 |
| 5173107 | Composite hard metal body and process for its production The invention relates to a composite hard metal body of hard material, a binder and embedded reinforcing material, as well as to a process for the production of the composite hard metal body by methods of powder metallurgy. In order to create a composite ... | 12/22/1992 |
