Class 148/401 - Radioactive

Subclass of Class 148 - Metal treatment
Definition: Stock material which is claimed as being radioactive, containing
No. of patents: 24
Last issue date: 03/06/2007

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Number	Title	Issue Date
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
7131768	Extended temperature range EMF device A sensor and method of manufacturing an extended temperature range EMF sensor that is cost effective and highly reliable, with a stable EMF output and with an operating range of up to 1700° C. in hostile environments. The sensor is formed of highly stable dispersio...	11/07/2006
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
6726876	Stakalloy: a uranium-vanadium-niobium alloy 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 ...	04/27/2004
5963777	Hypereutectoid and hypoeutectic binary uranium-vanadium alloys 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....	10/05/1999
5035854	High strength uranium-tungsten alloys 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 t...	07/30/1991
5006306	Process for alloying uranium and niobium Alloys such as U-6Nb are prepared by forming a stacked sandwich array of uraniun sheets and niobium powder disposed in layers between the sheets, heating the array in a vacuum induction melting furnace to a temperature such as to melt the uranium, holding...	04/09/1991
4997477	Uranium silicide dispersion fuel utilizing rapid solidification by atomization Producing finely divided U3 Si by supercooling a melt of uranium and silicon at a high cooling rate of 103 to 107 ° C./sec....	03/05/1991
4968482	Uranium-titanium-niobium alloy 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....	11/06/1990
4935200	High density, high strength uranium-titanium-hafnium alloys A uranium-base alloy consists essentially of the formula Ubal -Tix -Hfy, 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...	06/19/1990
4929275	Magnetic alloy compositions and permanent magnets 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...	05/29/1990
4816088	Method of raising the recrystallization temperature of aluminium and of its alloys 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...	03/28/1989
4789521	Permanent magnet alloy A rare-earth element permanent magnet alloy characterized by good magnetic alignment and high energy product, said magnet consisting essentially of, in atomic percent, at least one rare earth element didymium, mischmetal, neodymium and thorium 12 to 20, b...	12/06/1988
4735770	Method for producing an amorphous material in powder form by performing a milling process 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 ca...	04/05/1988
4604148	Method of increasing the phase stability and the compressive yield strength of uranium-1 to 3 wt. % zirconium alloy A uranium-1 to 3 wt. % zirconium alloy characterized by high strength, high ductility and stable microstructure is fabricated by an improved thermal mechanical process. A homogenous ingot of the alloy which has been reduced in thickness of at least 50% in...	08/05/1986
4361447	Extrusion-formed uranium-2.4 wt. % article with decreased linear thermal expansion and method for making the same 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° C. and 600° C. which ...	11/30/1982
4338125	Method for the preparation of uranium compounds via electrolytic amalgamation of uranium ion directly from an aqueous solution The preparation of nuclear fuels such as uranium dioxide, carbide and nitride employing the ammonium urante, (NH4)2 U2 O7, as starting material usually must undergo a series of chemical and metallurgical process...	07/06/1982
4194908	Magnesium alloys A magnesium-based alloy for casting contains at least 88% magnesium, 1.6-3.5% silver, 0.1-2.3% of rare earth metals comprising at least 60% neodymium, 0-2.3% thorium and 0.1-2.5% yttrium. When no more than 0.5% of yttrium is present the minimum amount of ...	03/25/1980
4168161	Magnesium alloys Magnesium alloys having favorable mechanical properties at high temperatures contain silver, neodymium and thorium, the permissible content of neodymium varying inversely according to the content of the thorium. The alloys are subjected to solution heat t...	09/18/1979
4149882	Magnesium alloys Magnesium alloys having improved high-temperature properties, especially improved resistance to creep, contain from 1.25 to 3.0% silver, 0.5 to 2.5% of rare metals including at least 60% neodymium and from 2.5 to 7.0% thorium. Optimum properties are obtai...	04/17/1979
4111685	Dispersion-strengthened cobalt-bearing metal Oxide dispersion-strengthened metal having from 18 to 35% chromium, 3 to 7% aluminum, 0.2 to 3.0% of an oxide dispersoid, 10 to 45% nickel and at least 30% cobalt. The oxide dispersoid has a negative free energy of formation at 1000° C of at least as gre...	09/05/1978
4023992	Uranium-base alloys Uranium-base alloys suitable as nuclear fuel containing about 3.2 to 3.7 wt.% Si, from about 0.8 up to about 3 wt.% Al and the balance U except that when the Al content is not more than 1.5% the Si content is less than 3.5%. The major phase is delta U	05/17/1977
3981722	Amorphous alloys in the U-Cr-V system Amorphous uranium-base alloys are disclosed having the general formula Ux Cry Vz, where x ranges from about 60 to 80 atom percent and y and z each range from about 0 to 40 atom percent, with the total of y and z ranging fr...	09/21/1976
3969160	High-strength ductile uranium alloy A novel alloy composition consisting essentially of 0.7 to 0.8 weight percent titanium and 0.2 to 0.3 weight percent vanadium with the balance being uranium....	07/13/1976

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Class 148/401 - Radioactive