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| Number | Title | Issue Date |
| 7985373 | Alloy and tube for nuclear fuel assembly and method for making same The invention concerns an alloy containing equally 0.02 to 0.07% wt. % of the total iron, of chromium or vanadium, 0.8 to 1.3 wt. % of niobium, 100 ppm or less of tin, 1100 to 1700 ppm of oxygen, less than 100 ppm of carbon, 10 to 30 ppm of sulphur and less than 50 ... | 07/26/2011 |
| 7364631 | Zirconium-based alloy having a high resistance to corrosion and to hydriding by water and steam and process for the thermomechanical transformation of the alloy The alloy contains, by weight, at least 95% zirconium and from 0.01 to 0.1% sulphur and, optionally, at least one element from the group consisting of the elements tin, iron, chromium, hafnium, niobium, nickel, oxygen and vanadium, the balance of the alloy consistin... | 04/29/2008 |
| 7292671 | Zirconium based alloy and component in a nuclear energy plant A zirconium-based alloy, suitable for use in a corrosive environment, where it is subjected to increased radiation and comprises 0.5-1.6 percentage by weight Nb and 0.3-0.6 percentage by weight Fe. The alloy is characterised in that it comprises 0.5-0.85 percentage ... | 11/06/2007 |
| 7261782 | Titanium alloy having high elastic deformation capacity and method for production thereof A titanium alloy obtained by a cold-working step, in which 10% or more of cold working is applied to a raw titanium alloy, comprising a Va group element and the balance of titanium substantially, and an aging treatment step, in which a cold-worked member, obtained a... | 08/28/2007 |
| 7220397 | Modified oxygen reduced valve metal oxides Pressed material such as anodes are described and formed from oxygen reduced oxide powders using additives, such as binders and/or lubricants. Methods to form the pressed material are also described, such as with the use of atomizing, spray drying, fluid bed process... | 05/22/2007 |
| 7187744 | Method of providing a nuclear fuel and a fuel element provided by such a method A method for providing a nuclear fuel includes forming a uranium-molybdenum alloy that provides an enhanced reactivity in research, test and radioisotope production nuclear reactors. In this uranium-molybdenum alloy, the uranium is enriched in the isotope 235-U, whi... | 03/06/2007 |
| 7144768 | Fabrication of titanium and titanium alloy anode for dielectric and insulated films A method for constructing a titanium film capacitor. The method includes fabricating an anode from at least one of titanium and a titanium alloy and forming a homogeneous anode film on at least one surface of the anode. ... | 12/05/2006 |
| 7127024 | Fuel element for a pressurized water reactor A fuel element for a pressurized water reactor is described. The fuel element contains a laterally open skeleton having control-rod guide tubes each with a first end and a second end, spacers fastened to the control-rod guide tubes, a fuel element head disposed at t... | 10/24/2006 |
| 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 |
| 7053589 | Long-life vacuum system for energy storage flywheels The invention, intended primarily for use in a steel flywheel power source (30), provides a vacuum system and a method of maintaining a vacuum inside a flywheel chamber (32) for the life of the power source (30). The vacuum system combines the u... | 05/30/2006 |
| 7045959 | Spiral cold electrode fluorescent lamp A light tube for a cold electrode fluorescent lamp includes a light tube body, a first electrode and a second electrode disposed in the light tube body and an activated gas absorber. The light tube body contains inert gas, mercury substance and a layer of phosphor c... | 05/16/2006 |
| 6979375 | Titanium alloy member A titanium alloy member is characterized in that it comprise 40% by weight or more titanium (Ti), a IVa group element and/or a Va group element other than the titanium, wherein a summed amount including the IVa group element and/or the Va group element as well as th... | 12/27/2005 |
| 6960326 | Method of separating uranium from irradiated nuclear fuel The invention provides a method of separating uranium from at least fission products in irradiated nuclear fuel, said method comprising reacting said irradiated nuclear fuel with a solution of ammonium fluoride in hydrogen fluoride fluorinating said reacted irradiat... | 11/01/2005 |
| 6909766 | Production method for a nuclear fuel assembly support grid and a nuclear fuel assembly support grid produced by the same One object of the present invention is to provide a production method for a nuclear fuel assembly support grid that improves the corrosion resistance of welded parts without impairing the characteristics of the support grid so as to be able adequately withstand high... | 06/21/2005 |
| 6902634 | Method for manufacturing zirconium-based alloys containing niobium for use in nuclear fuel rod cladding The present invention relates to a method for manufacturing zirconium-based alloys containing niobium with superior corrosion resistance for use in nuclear fuel rod claddings. The method of this invention comprises melting of the alloy, β-forging, β-quenching, hot... | 06/07/2005 |
| 6898260 | Fuel element for a pressurized water reactor and method for producing cladding tubes A fuel element for a pressurized water reactor is described. The fuel element contains a laterally open skeleton having control-rod guide tubes each with a first end and a second end, spacers fastened to the control-rod guide tubes, a fuel element head disposed at t... | 05/24/2005 |
| 6884304 | Zirconium alloy highly resistant to corrosion and to sun burst by water and water vapor and method for thermomechanical transformation of the alloy The alloy contains, by weight, at least 95% zirconium and from 0.01 to 0.1% sulphur and, optionally, at least one element from the group consisting of the elements tin, iron, chromium, hafnium, niobium, nickel, oxygen and vanadium, the balance of the alloy consistin... | 04/26/2005 |
| 6863745 | Zirconium based alloy and method for making a component for a nuclear fuel assembly with same The invention proposes a zirconium-based alloy also containing, by weight, apart from unavoidable impurities, from 0.02 to 1% of iron having from 0.8% to 2.3% of niobium, less than 2000 ppm of tin, less than 2000 ppm of oxygen, less than 100 ppm of carbon, from 5 to... | 03/08/2005 |
| 6861030 | Method of manufacturing high purity zirconium and hafnium The present invention relates to high-purity zirconium or hafnium with minimal impurities, particularly where the content of alkali metal elements such as Na, K; radioactive elements such as U, Th; transitional metals or heavy metals or high melting point metal elem... | 03/01/2005 |
| 6833058 | Titanium-based and zirconium-based mixed materials and sputtering targets The invention encompasses methods of forming titanium-based mixed-metal materials and zirconium-based mixed-metal materials utilizing one or more of a reduction process, electrolysis process and iodide process. The invention also encompasses a sputtering target comp... | 12/21/2004 |
| 6811746 | Zirconium alloy having excellent corrosion resistance and mechanical properties for nuclear fuel cladding tube The present invention relates to a zirconium alloy having excellent corrosion resistance and mechanical properties and a method for preparing a nuclear fuel cladding tube by zirconium alloy. More particulary, the present invention is directed to a zirconium alloy co... | 11/02/2004 |
| 6786984 | Ternary alloy and apparatus thereof This present invention relates to an alloy comprising Sn, at least one of Ti and Zr and at least one of Nb and Ta as the major elements. The total percentage of the Nb and Ta in the alloy material is preferably from 8 to 20 atom % and the percentage of the Sn in the... | 09/07/2004 |
| 6776957 | Zirconium-based alloy elements used in nuclear reactor cores A zirconium-based alloy for the components of the active core of nuclear reactors comprises (on a weight percent basis): niobium, 0.5-3.0; iron, 0.005-0.5; oxygen, 0.03-0.2; carbon, 0.001-0.04; silicon, 0.002-0.1; nickel, 0.003-0.02; zirconium being the balance; the... | 08/17/2004 |
| 6770377 | Active brazing solder for brazing alumina-ceramic parts The active brazing solder for brazing ceramic parts of alumina, particularly of high-purity alumina, contains a maximum of 12 wt. % Ti, a maximum of 8 wt. % Be, and less than 16.5 wt. % Fe, the remainder being Zr and any impurities that may be present. The active br... | 08/03/2004 |
| 6771490 | Metal frame for electronic hardware and flat panel displays A metal frame for electronic hardware and a method of manufacturing such a frame wherein at least a portion of the frame is made of bulk-solidifying amorphous alloys or bulk-solidifying amorphous alloy-composites is provided. The metal frames of the invention are pr... | 08/03/2004 |
| 6767418 | Ti-Zr type alloy and medical appliance formed thereof A Ti—Zr type alloy manifesting excellent plastic workability at normal temperature fit for the use in general industry, allowing improvement in corrosion resistance fit for the use in medical treatment, offering improved corrosion resistance in an acidic solution,... | 07/27/2004 |
| 6726892 | Advanced aluminum alloys for hydrogen storage Various aspects of the present invention provides a nanocrystalline powder suitable for storing hydrogen and a method of producing such a powder. One embodiment provides a nanocrystalline powder containing crystals of an aluminum alloy selected from the group consis... | 04/27/2004 |
| 6723183 | Silicide target for depositing less embrittling gate oxide and method of manufacturing silicide target The present invention relates to a non-brittle silicide target for forming a gate oxide film made of MSi0.8-1.2 (M: Zr, Hf), and provides a non-brittle silicide target suitable for forming a ZrO2.SiO2 film or HfO2.SiO... | 04/20/2004 |
| 6690759 | Zirconium-base alloy and nuclear reactor component comprising the same Disclosed herein are zirconium-base alloys excellent in both corrosion resistance and hydrogen absorption property, useful as materials for nuclear reactors. Such a zirconium-base alloy for nuclear reactors comprises 0.5-2 wt. % Sn, 0.07-0.6 wt. % Fe, 0.0... | 02/10/2004 |
| 6682611 | Formation of Zr-based bulk metallic glasses from low purity materials by yttrium addition A Zr-based bulk metallic glass formed using low purity materials at a low vacuum with a small amount of yttrium addition is provided. A method of improving the glass forming ability, crystallization and melting process without reducing the mechanical and ... | 01/27/2004 |
| 6521014 | Non-evaporable getter alloys Non-evaporable getter alloys containing zirconium, vanadium, iron, manganese and one or more elements selected among yttrium, lanthanum and Rare Earths are described, having improved features of gas sorption, particularly of nitrogen, with respect to the ... | 02/18/2003 |
| 6511556 | High strength zirconium alloys containing bismuth and niobium High strength zirconium alloys with improved strength and creep resistance having 1.5 to 6 weight percent bismuth, and niobium.... | 01/28/2003 |
| 6491867 | High capacity and high performance Zr-based hydrogen storage alloy for secondary cells A hydrogen storage alloy, represented by the following formula I which is suitable for use as an active anode material for ni-metal hydride secondary cells by virtue of its high discharge characteristics including, for example, a discharge capacity rangin... | 12/10/2002 |
| 6461744 | Article based on a metal alloy of nickel, chromium and metalloid elements including microcrystalline precipitates, metal alloy and preparation method A description follows of an article based on a nickel-chromium-silicon metal alloy, including microcrystalline borides, obtained by the rapid solidification and subsequent thermal treatment of a nickel-chromium-boron-silicon metal alloy comprising from 39... | 10/08/2002 |
| 6398980 | Method for producing a nonevaporable getter A process is provided for the production of porous non-evaporable getter materials comprising at least one first element selected from Zr and Ti and at least one second element selected from V, Cr, Mn and Ni. The starting metal powders are produced by red... | 06/04/2002 |
| 6355118 | Protective coarsening anneal for zirconium alloys A method for increasing the resistance of zirconium alloy tubing to nodular corrosion by applying a protective anneal at a temperature within a clearly defined temperature range. Also, a zirconium alloy tubing having such protective anneal is disclosed. T... | 03/12/2002 |
| 6340536 | Zirconium and niobium alloy comprising erbium, preparation method and component containing said alloy An alloy of zirconium and niobium that includes erbium as a consumable neutron poison, its method of preparation and a component comprising said alloy are provided. This invention relates to an alloy of zirconium and niobium that includes erbium as a cons... | 01/22/2002 |
| 6325966 | Zirconium alloy having high corrosion resistance and high strength The invention presented herein relates to a zirconium alloy with superior corrosion resistance and high strength for use in fuel rod claddings, spacer grids and structural components in reactor core of light water and heavy water nuclear power plant. The ... | 12/04/2001 |
| 6322720 | Nonevaporable getter It is described a process for the production of porous non-evaporable getter materials comprising at least one first element selected between Zr and Ti and at least one second element selected among V, Cr, Mn and Ni, wherein the starting metal powders are... | 11/27/2001 |
| 6319339 | High strength zirconium alloys containing bismuth High strength zirconium alloys with improved strength and creep resistance having 1.5 to 6 weight percent bismuth and an element or mixtures of elements selected from the group of molybdenum, tin and niobium.... | 11/20/2001 |
