Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 601 - 650 out of 765

Document Document Title
JP01140094
PURPOSE: To eliminate hydrogen and oxygen impurity from a liquid metal that passes within an enclosure by arranging a getter material coated with a getter alloy of Zr, V, and Fe being contained inside a triangle with points a), b), and c...  
JP01119650
PURPOSE: To manufacture a channel box in which corrosion resistance and creep deformation characteristics are optimized by using a Zr alloy containing specific amounts of Nb, Sn, and Mo and also specifying hot rolling temp., temp. of ann...  
JP01116045
PURPOSE: To obtain the above Zr alloy having excellent corrosion resistance, particularly nodular corrosion resistance by specifying the compsn. consisting of Mg, Ce, Ni, Fe, Cr, Sn and Zr. CONSTITUTION: The corrosion-resistant Zr alloy ...  
JP01116057
PURPOSE: To easily manufacture a spacer having high corrosion resistance and high strength by subjecting an alloy having a specific composition consisting of Nb, Sn, Mo, and Zr to hot rolling, cold working, annealing, (α+β) hardening, ...  
JP01111837
PURPOSE: To obtain a Zr alloy having excellent corrosion resistance by adding specific amounts of Ni, Fe, Sn and Cr and at least one kind among rare earth elements to Zr. CONSTITUTION: The Zr alloy contg., by weight, <5.0% Ni, <5.0% Fe, ...  
JP01108341
PURPOSE: To obtain a hydrogen occlusion alloy capable of maintaining the quantity of hydrogen migration in the initial stage even after subjected to a repetition of hydrogen occlusion and release and also having high durability by adding...  
JP01097897
PURPOSE: To retain a pipe in a reactor core for a long time by heating it to a specific temperature range after a plurality of continuous rolling and annealing processes, rapidly cooling it to an ambient temperature, and homogenizing it ...  
JP01073040
PURPOSE: To obtain the titled Zr alloy having corrosion resistance, particularly nodular corrosion resistant-characteristics by specifying the compsn. consisting of Ni, Fe, Sn and Zr. CONSTITUTION: The titled Zr alloy consists of, by wei...  
JP01073039
PURPOSE: To obtain the titled Zr alloy having excellent corrosion resistance, particularly nodular corrosion resistant-characteristics by specifying the compsn. consisting of Pd, Pt, Au, Ag, Ni, Fe, Cr, Sn, Nb and Zr. CONSTITUTION: The t...  
JP01073038
PURPOSE: To obtain the titled Zr alloy having excellent corrosion resistance, particularly nodular corrosion resistant-characteristics by specifying the compsn. consisting of Nb, Si, Ge and Zr. CONSTITUTION: The titled Zr alloy consists ...  
JP01073037
PURPOSE: To obtain the titled zirconium alloy having excellent corrosion resistance, particularly nodular corrosion-resistant characteristics by specifying the compsn. consisting of Ni, Fe, Sn, Cr, Si, Ge and Zr. CONSTITUTION: The titled...  
JP01073036
PURPOSE: To obtain the titled zirconium alloy having excellent corrosion resistance, particularly nodular corrosion-resistant characteristics by incorporating Y, Mg, Ca, Ce, etc., onto the surface layer of a Zr alloy having specific comp...  
JP01068438
PURPOSE: To improve the fatigue resistance and stress corrosion cracking resistance of the titled covering tube by regulating the weight total of Al and Si incorporated to the base metal of a Zr based covering tube and the weight total o...  
JP01021031
PURPOSE: To increase the strength of Zr or a Zr alloy and to decrease the wall thickness of a sheathing pipe by dispersing fine ceramic particles having high hardness in the base phase of the Zr or Zr alloy at the time of producing a nuc...  
JP63307237
PURPOSE: To produce a Zr based alloy having high corrosion resistance and low hydrogen absorption characteristics and causing no nodular corrosion by alternately repeating cold plastic working and annealing treatment to the Zr based allo...  
JP63290232
PURPOSE: To manufacture a Zr alloy having excellent nodular corrosion resistance by heating the Zr alloy having specific compsn., subjecting it to a quenching treatment and forming appropriately spheroidal crystal grains in the martensit...  
JP63286561
PURPOSE: To stably produce a Cu-Zr alloy wire rod having superior heat resistance with no segregation by putting granules of a Cu-Zr mother alloy having a specified diameter and a specified Zr content in molten pure copper and by passing...  
JP63282226
PURPOSE: To develop a hydrogen occlusion alloy having superior characteristics, by combining Ti, Zr, Cr, Fe, Mn, and Cu in a specific ratio. CONSTITUTION: An alloy which consists of an intermetallic compound of six elements, Ti-Zr-Cr-Fe-...  
JP63213629
PURPOSE: To improve corrosion resistance and mechanical strength, by specifying the contents of Sn, Fe and Cr in a Zr based alloy as well as the total amount thereof and incorporating proper quantity of Nb into said alloy. CONSTITUTION: ...  
JP63179237
PURPOSE: To permit definite decision of the corrosion resistance of a zirconium alloy by eliminating the influence of an oxide film of a zirconium alloy test piece at 450W550°C which affects the corrosion of said alloy in steam and is f...  
JP63179034
PURPOSE: To improve nodular corrosion resistance and uniform corrosion resistance, by specifying and reducing Sn content in a zirconium alloy with a specific composition. CONSTITUTION: The zirconium alloy has a composition consisting of,...  
JP63145735
PURPOSE: To obtain a Zr alloy having an excellent antinodular corrosive characteristic at low cost, by specifying the compsn. consisting of Nb, Sn, Fe, Cr, Ni and Zr. CONSTITUTION: The Zn alloy contains the compsn. consisting of, by weig...  
JP63137150
PURPOSE: To improve bendability, by regulating the crystal of a zirconium sheet after final finishing to the prescribed grain size remarkably smaller than that of the conventional crystal. CONSTITUTION: A zirconium slab is subjected, e.g...  
JP63100146
PURPOSE: To improve nodular corrosion resistance by limiting respective amounts of Zr as a precipitate in a grain boundary and in a grain and Sn in an intermetallic compound as an additive element in a zirconium-base alloy in which amoun...  
JP63072851
PURPOSE: To improve the maximum amount of hydrogen occlusion and hydrogen occluding and releasing velocities of the titled alloy to be obtained and also to improve hysteresis, by specifying a composition of a Zr alloy containing Fe, V, a...  
JP63064901
PURPOSE: To adsorb impurity gases, e.g. O2, N2, CO2, etc., in a rare gas and simply and readily purity the rare gas into high purity, by passing the rare gas containing the impurity gases through a hydrogen gas occluding material in a st...  
JP63060248
PURPOSE: To obtain a highly corrosion-resistant Zr alloy member free from deterioration in corrosion resistance due to welding and having high strength, by specifying a composition consisting of Nb, Sn, Mo, and Zr. CONSTITUTION: The high...  
JP63050453
PURPOSE: To obtain a Zr-base alloy member free from nodular corrosion and white corrosion and having high ductility, by subjecting a Zr-Sn-Nb-Mo alloy to solution heat treatment by rapid cooling, by applying cold working and intermediate...  
JP63035751
PURPOSE: To obtain a Zr alloy for nuclear reactor fuel clad pipes excellent in corrosion resistance, by specifying a composition consisting of Sn, Fe, Cr, Ta, and Zr. CONSTITUTION: The Zr alloy has a composition consisting of, by weight,...  
JP63035750
PURPOSE: To obtain a Zr alloy for nuclear reactor fuel clad pipe excellent in corrosion resistance, by specifying a composition consisting of Sn, Fe, Cr, Nb, and Zr and also by limiting N content among inevitable impurities. CONSTITUTION...  
JP63035749
PURPOSE: To obtain a Zr alloy for nuclear reactor fuel clad pipes excellent in corrosion resistance, by specifying a composition consisting of Sn, Fe, Cr, and Zr and also by limiting N content among inevitable impurities. CONSTITUTION: T...  
JP63033535
PURPOSE: To improve the nodular corrosion resistance, uniform corrosion resistance, and hydrogen absorption characteristics of the titled Zr alloy to be obtained, by controlling respective contents of Sn, Fe, Cr, Ni, and Nb. CONSTITUTION...  
JP63020428
PURPOSE: To improve the corrosion resistance of a Zr alloy without requiring any special equipment or reducing the ductility by specifying the angle between the central direction of integration of C axes and the surface of the alloy and ...  
JP63018030
PURPOSE: To obtain a component material for nuclear fuel elements having superior corrosion resistance to cooling water and improved in stress corrosion cracking resistance, by applying hot rolling and cooling treatment to Zr or Zr alloy...  
JP63011647
PURPOSE: To reduce the amt. of the Pt to be used and to improve electrode catalyst activity by adding a specific ratio of Pt to an amorphous alloy consisting of specific ratios of ≥1 kinds of Ni and Co and ≥1 kinds of Ti and Zr or Nb...  
JP63011635
PURPOSE: To prevent hydrogen embrittlement by regulating the amount of intermetallic compound to be precipitated to a specific value or above in a Zr alloy containing Sn, Cr, and Ni as corrosion resistance-improving components so as to r...  
JP62297449
PURPOSE: To improve the corrosion resistance, ductility and strength of a Zr alloy contg. specified amounts of Nb, Sn and Mo by subjecting the alloy to soln. heat treatment, cold working and aging under prescribed conditions. CONSTITUTIO...  
JP62294143
PURPOSE: To easily and inexpensively manufacture a metallic alloy for hydrogen storage represented by a specific rational formula, by heating specific proportions of ferrozirconium, iron, and chromium in a melting furnace to melt them an...  
JP62290854
PURPOSE: To improve the corrosion resistance of a channel box made of a Zr alloy contg. Nb, Sn, Mo and Fe by heat treating the channel box obtd. by forming and welding at a prescribed temp. so as to vanish a β-phase contg. supersatd. Nb...  
JP62290837
PURPOSE: To obtain a Zr-based alloy member having high corrosion resistance in a weld zone and excellent in cold workability, by forming a weld zone, etc., of a metallic structure in which face-centered cubic crystals α-Nb are finely pr...  
JP62287058
PURPOSE: To exactly evaluate the sensitivity to white corrosion in the high-temp. high-pressure water and steam in nuclear reactor environment by immersing a weld heat affected pseudo material formed by quick cooling a Zr alloy from a pr...  
JP62287059
PURPOSE: To obtain a fuel spacer for a nuclear reactor having the corrosion resistance to prevent the generation of nodular corrosion, etc., in particular and having high strength by subjecting a Zr alloy contg. Nb, Sn or Mo or/and Fe in...  
JP62287029
PURPOSE: To obtain a zirconium alloy excellent in uniform corrosion-resisting characteristics as well as in nodular corrosion resistance, by adding specific amounts of Fe or Ni to Zr. CONSTITUTION: Fe (0.1W1wt%) or Ni (0.01W1wt%) is blen...  
JP62284033
PURPOSE: To develop a reversible hydrogen occluding and releasing material easy of initial hydrogenation and having high hydrogen occluding and releasing velocities, by dispersedly incorporating the oxides of rare earth elements to a Zr(...  
JP62228442
PURPOSE: To provide high corrosion resistance at high burnup, by regulating the value of Fe/Ni to a specific ratio range and by precipitating a fine intermetallic compound of Sn and Ni in Zr crystalline grains in an α-phase in a Zr-base...  
JP62222037
PURPOSE: To obtain a Zr-base alloy excellent in resistance to oxidation by nitric acid by providing a composition consisting of specific amounts of Ti and the balance Zr with inevitable impurities. CONSTITUTION: The Zr-base alloy has a c...  
JP62218526
PURPOSE: To enhance the modulus of elasticity by solidifying a molten Al alloy contg. Si, Cu, Ni, Be, Fe or Ti under pressure and by extruding the resulting billet so as to finely disperse an intermetallic compound having high elasticity...  
JP62218527
PURPOSE: To enhance the modulus of elasticity by solidifying a molten Mg alloy contg. Si, Cu, Ni, Be, Fe or Ti under pressure and by extruding the resulting billet so as to finely disperse an intermetallic compound having high elasticity...  
JP62207835
PURPOSE: To improve the nodular corrosion resistance by adding a specified amount of Sn or O as well as a specified amount of Nb to Zr. CONSTITUTION: The composition of a Zr alloy is composed of 0.2W2.0% Nb, 0.5W3.0% Sn and/or 0.09W0.25%...  
JP62182101
PURPOSE: To carry out recovery, storage and supply of tritium gas with single apparatus, by recovering tritium gas from a gaseous mixture by the hydrogenation reaction of an intermetallic compound ZrCo near room temperature, storing the ...  

Matches 601 - 650 out of 765