Radioactive Patents (Class 148/401)
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Patent number: 11414730Abstract: The present invention discloses magnesium alloys, bicycle rims made of magnesium alloys, and methods of preparing the alloys and bicycle components made of the alloys. The alloys may include the following components in percentage by weight: 5.5-6.0% of Zn, 0.3-0.6% of Zr, 0.5-2.0% of lanthanum-rich mixed rare earth and the balance of Mg.Type: GrantFiled: May 17, 2019Date of Patent: August 16, 2022Inventors: Chunjiang Ma, Jun Yang
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Patent number: 11001915Abstract: A method of making a metal alloy includes providing a molten metal alloy containing chromium, cerium and at least one of iron and nickel and providing an oxidizing gas and a reducing gas into the molten metal alloy to at least partially preferentially oxidize the cerium to ceria. The metal alloy may an iron or nickel based metal alloy which contains both cerium and ceria and at least 15 wt % Cr. The metal alloy may be used to form a balance of plant component for a fuel cell system.Type: GrantFiled: November 21, 2017Date of Patent: May 11, 2021Assignee: BLOOM ENERGY CORPORATIONInventor: Adil A. Ashary
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Additive manufacturing methods using aluminum-rare earth alloys and products made using such methods
Patent number: 10760148Abstract: Described herein are additive manufacturing methods and products made using such methods. The alloy compositions described herein are specifically selected for the additive manufacturing methods and provide products that exhibit superior mechanical properties as compared to their cast counterparts. Using the compositions and methods described herein, products that do not exhibit substantial coarsening, such as at elevated temperatures, can be obtained. The products further exhibit uniform microstructures along the print axis, thus contributing to improved strength and performance. Additives also can be used in the alloys described herein.Type: GrantFiled: July 14, 2017Date of Patent: September 1, 2020Assignees: UT-Battelle, LLC, University of Tennessee Research Foundation, Iowa State University Research Foundation, Inc., Eck Industries IncorporatedInventors: Alex J. Plotkowski, Orlando Rios, Sudarsanam Suresh Babu, Ryan R. Dehoff, Ryan Ott, Zachary C. Sims, Niyanth Sridharan, David Weiss, Hunter B. Henderson -
Patent number: 10619226Abstract: According to one embodiment, an alpha-beta titanium alloy comprises, in weight percentages: an aluminum equivalency in the range of about 6.7 to 10.0; a molybdenum equivalency in the range of 0 to 5.0; at least 2.1 vanadium; 0.3 to 5.0 cobalt; titanium; and incidental impurities.Type: GrantFiled: September 5, 2018Date of Patent: April 14, 2020Assignee: ATI PROPERTIES LLCInventor: John W. Foltz, IV
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Patent number: 10217533Abstract: In general, the present invention is directed to novel nuclear fuel rod claddings that have better performance characteristics compared to current claddings, particularly during a severe accident, such as a loss of coolant accident. The present invention provides a duplex cladding having two layers, an inner Mo or Mo-alloy layer and a protective layer disposed on the outside of the Mo or Mo-alloy layer. Optionally, the Mo or Mo-alloy layer may have a coating disposed on its inner surface to provide additional capability with the fuel pellets, thereby creating a triplex cladding.Type: GrantFiled: August 30, 2013Date of Patent: February 26, 2019Assignee: Electric Power Research Institute, Inc.Inventor: Bo-Ching Cheng
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Patent number: 9828245Abstract: A method for synthesis of MgH2/Ni nanocomposites includes balancing magnesium (Mg) powder in a ball milling container with helium (He) gas atmosphere; adding a plurality of nickel (Ni) milling balls to the container; introducing hydrogen (H2) gas to the container to form a MgH2 powder; milling the MgH2 powder using the Ni-balls as milling media to provide MgH2/Ni nanocomposites. The milling can be high-energy ball milling, e.g., under 50 bar of hydrogen gas atmosphere. The high-energy ball milling can be reactive ball milling (RBM). The method can be used to attach Ni to MgH2 powders to enhance the kinetics of hydrogenation/dehydrogenation of MgH2.Type: GrantFiled: February 7, 2017Date of Patent: November 28, 2017Assignee: KUWAIT INSTITUTE FOR SCIENTIFIC RESEARCHInventors: Mohamed Sherif Mohamed Mostafa El-Eskandarany, Ehab Abdelhaleem Abdelmotalb Shaaban, Naser Mustafa Abdul Nabi Ali, Fahad Ahmed Jasem Mohamed Aldakheel, Abdullah Ramadhan Abdullah Alkandary
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Patent number: 9472310Abstract: A method is described for producing nuclear fuel products, including the steps of receiving metallic or intermetallic uranium-based fuel particle cores, providing at least one physical vapour deposited coating layer surrounding the fuel particle core and embedding the nuclear fuel particles in a matrix so as to form a powder mixture of matrix material and coated fuel particles. The at least one physical vapour deposited coating layer may include inhibitors of inhibiting, stabilizing and/or reducing interaction between metallic and intermetallic uranium-based fuel particles cores and the matrix wherein the fuel particles typically may be embedded. The deposited coating layer may include neutron poisons.Type: GrantFiled: October 29, 2010Date of Patent: October 18, 2016Assignees: SCK.-CEN, UNIVERSITEIT GENTInventors: Sven Van Den Berghe, Ann Leenaers, Christophe Detavernier
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Patent number: 8186995Abstract: A fire-starter device for survival or emergency use has a handle portion and case portion that twist together, to sheath a mischmetal flint rod inside the case, and a seal ring protects the flint rod from environmental moisture. The case has a steel strike plate and a guide channel. The mischmetal flint rod favorably has a composition of cerium—50%, lanthanum—26%, magnesium—10%, praseodymium—3%, neodymium—1%, and iron—10%.Type: GrantFiled: February 25, 2009Date of Patent: May 29, 2012Inventor: Andrew C. Putrello, Jr.
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Patent number: 6909766Abstract: 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 highly efficient operation. In order to achieve the object, the present invention provide a production method for a nuclear fuel assembly support grid comprising the steps of: assembling a plurality of straps in a grid form; welding intersections of each strap; and carrying out annealing thereafter to precipitate an intermetallic compound on the welded parts.Type: GrantFiled: November 5, 2002Date of Patent: June 21, 2005Assignees: Mitsubishi Nuclear Fuel Co., Ltd., Mitsubishi Heavy Industries, Ltd., Nuclear Development CorporationInventors: Toshiya Kido, Kimio Nakayama, Yasunao Yamaguchi
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Patent number: 6726876Abstract: A ternary alloy of uranium, referred to as stakalloy, having improved machinability is formed of niobium, vanadium and uranium. The ternary alloy is formed with the percent by weight of vanadium being between the gamma eutectoid (1.0 percent by weight vanadium) and the eutectic (4.5 percent by weight vanadium) compositions, and the niobium content being between 0.01 to 0.95 percent by weight and the balance being uranium. Stakalloy has different density, improved metallurgical properties, such as different hardness, machinability, and ballistic properties from other uranium alloys, making it useful as a structural alloy where high density and high strength are important.Type: GrantFiled: December 27, 2002Date of Patent: April 27, 2004Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Michael R. Staker
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Patent number: 5963777Abstract: Binary alloys of uranium and vanadium having high hardness and strength prepared by selectively adjusting both the composition of the alloy and the solutionization temperature between the gamma-eutectoid and the eutectic points.Type: GrantFiled: January 21, 1998Date of Patent: October 5, 1999Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Michael R. Staker
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Patent number: 5035854Abstract: Alloys of uranium and tungsten and a method for making the alloys. The amount of tungsten present in the alloys is from about 4 wt % to about 35 wt %. Tungsten particles are dispersed throughout the uranium and a small amount of tungsten is dissolved in the uranium.Type: GrantFiled: April 2, 1990Date of Patent: July 30, 1991Assignee: The United States of America as represented by the United States Department of EnergyInventors: Paul S. Dunn, Haskell Sheinberg, Billy M. Hogan, Homer D. Lewis, James M. Dickinson
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Patent number: 4997477Abstract: Producing finely divided U.sub.3 Si by supercooling a melt of uranium and silicon at a high cooling rate of 10.sup.3 to 10.sup.7 .degree. C./sec.Type: GrantFiled: November 14, 1989Date of Patent: March 5, 1991Assignee: Korea Advanced Energy Research InstituteInventors: Il H. Kuk, Chang K. Kim, Chong T. Lee
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Patent number: 4968482Abstract: A uranium alloy having small additions of Ti and Nb shows improved strength and ductility in cross section of greater than one inch over prior uranium alloy having only Ti as an alloying element.Type: GrantFiled: February 23, 1990Date of Patent: November 6, 1990Assignee: The United States of America as represented by the United States Department of EnergyInventors: Gail M. Ludtka, Gerard M. Ludtka
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Patent number: 4935200Abstract: A uranium-base alloy consists essentially of the formula U.sub.bal -Ti.sub.x -Hf.sub.y, where "x" ranges from about 0.5 to 1.0 and "y" ranges from about 0.5 to 5.0. The alloy exhibits high strength, good ductility and high density and is especially suited for use in ballistic penetrator cores.Type: GrantFiled: June 26, 1989Date of Patent: June 19, 1990Assignee: Allied-Signal Inc.Inventors: Jerry C. LaSalle, Ravi Batra, Donald T. Rorabaugh
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Patent number: 4929275Abstract: This invention relates to novel permanent magnet alloy compositions and high energy permanent magnets comprising from about 0.5 to about 27 atomic percent R wherein R is at least one rare earth element including Y and Sc, from about 0.1 to about 53 atomic percent A wherein A is at least one actinide element, and the balance being at least one metal wherein at least about 50 weight percent of the balance is at least one metal selected from the group consisting of Fe, Co, Ni, and Mn. Preferably, R is from about 12 to about 18 atomic percent and R is a rare earth element selected from the group consisting of Sm, Nd, Pr, and Dy. It is also preferred that A is from about 1.5 to about 5.1 atomic percent and A is an actinide element selected from the group consisting of Ac, Th, Pa and U. The balance is preferably at least about 90 weight percent of Fe and/or Co, and further comprises from about 0.1 to about 10 weight percent of Zr and/or Cu.Type: GrantFiled: May 30, 1989Date of Patent: May 29, 1990Assignee: SPS Technologies, Inc.Inventor: Yakov Bogatin
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Patent number: 4816088Abstract: The invention relates to a method for the deformational transformation of aluminum and its alloys comprising the steps of deforming the aluminum in the solid state and annealing the deformed aluminum at a temperature at which recrystallization occurs. The recrystallization temperature of the aluminum is raised and the grain size is minimized by adding to the aluminim 5 to 1000 ppm uranium prior to the deformation. The method is particularly applicable to the production of aluminum based sheets intended to be subjected to heating at a relatively high temperature, for example the heating which accompanies enamelling or brazing operations, where the heating operation could change the mechanical properties of the sheets.Type: GrantFiled: November 23, 1987Date of Patent: March 28, 1989Assignee: Cegedur Societe de Transformation de L'Aliminium PechineyInventors: Francois-Regis Boutin, Guy-Michel Raynaud
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Patent number: 4735770Abstract: By the inventive method, an amorphous material in powder form can be produced, whereby at least two starting components in powder form are mechanically alloyed by means of a milling process so that a boron component which cannot be alloyed mechanically can nevertheless be alloyed. According to the invention, a boron component in powder form is admixed to the starting components; this powder mixture is subjected to the milling process, an amorphous alloying component being formed from the starting components with embedded or deposited fine particles of the boron components; and the mixture powder so produced is subjected to an annealing treatment below the crystallization temperature of the amorphous alloy component for diffusing the boron into the amorphous alloy component.Type: GrantFiled: January 29, 1987Date of Patent: April 5, 1988Assignee: Siemens AktiengesellschaftInventors: Ludwig Schultz, Egon Hellstern
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Patent number: 4361447Abstract: The present invention is directed to the fabrication of an article of uranium-2.4 wt. % niobium alloy in which the linear thermal expansion in the direction transverse to the extrusion direction is less than about 0.98% between 22.degree. C. and 600.degree. C. which corresponds to a value greater than the 1.04% provided by previous extrusion operations over the same temperature range. The article with the improved thermal expansion possesses a yield strength at 0.2% offset of at least 400 MPa, an ultimate tensile strength of 1050 MPa, a compressive yield strength of at least 0.2% offset of at least 675 MPa, and an elongation of at least 25% over 25.4 mm/sec. To provide this article with the improved thermal expansion, the uranium alloy billet is heated to 630.degree. C. and extruded in the alpha phase through a die with a reduction ratio of at least 8.4:1 at a ram speed no greater than 6.8 mm/sec.Type: GrantFiled: May 24, 1982Date of Patent: November 30, 1982Assignee: The United States of America as represented by the United States Department of EnergyInventors: Robert C. Anderson, Jack M. Jones, Thomas G. Kollie
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Patent number: H1184Abstract: A method for making uranium-tungsten alloy of high strength comprising raly chilling a molten solution of tungsten in uranium to form a ribbon. Subsequent to pulverizing and consolidation, heating effects a precipitation of tungsten in the uranium to effect significant strengthening. A strengthened uranium with 1/2-5%, by weight of tungsten is particularly useful for KE penetrators.Type: GrantFiled: August 12, 1991Date of Patent: May 4, 1993Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Ravi Batra, Sheldon Cytron, Jerry C. LaSalle