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JPH089748B2 |
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JPH089749B2 |
PURPOSE:To manufacture the title alloy having excellent corrosion resistance by incorporating specific ratios of Sn, Nb, Mo and Si into Zr. CONSTITUTION:A zirconium alloy contg., by weight, 0.3 to 2.0% Sn, 0.2 to 2.0% Nb, 0.05 to 0.5% Mo...
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JPH0821888A |
PURPOSE: To provide a clad tube capable of withstanding the accelerated corrosion, and capable of effectively preventing breakage of the clad by the interactive effect between pellets and the clad, and a method to manufacture the clad tu...
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JPH0813054A |
PURPOSE: To obtain an additive for a molten Al alloy for producing defectless Al alloy castings and die castings having excellent airtightness by incorporating a specific amt. of hydrogen into a metals or alloy. CONSTITUTION: This additi...
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JPH08961B2 |
PURPOSE:To manufacture stably and surely a pipe superior in anisotropy and mechanical property of material characteristic, by performing finishing cold roll working and annealing under specified conditions, at manufacturing nuclear fuel ...
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JPH083704A |
PURPOSE: To economically produce a zirconium alloy pipe excellent in corrosion resistance by specifying the cooling rate to a specified temp. range by β hardening for a billet. CONSTITUTION: At the time of producing a zirconium allay pi...
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JPH07122120B2 |
Disclosed is an amorphous alloy superior in processability which has a composition represented by the general formula: XaMbAlc Wherein: X is one or two elements of Zr and Hf; M is at least one element selected from the group consisting o...
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JPH07113134B2 |
PURPOSE:To improve nodular corrosion resistance without damaging strength, ductility, etc., of Zr alloy, by suppressing carbon content in Zr alloy as reactor structural material to grace, and entering carbon into solid soln. in Zr alloy ...
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JPH07305153A |
PURPOSE: To provide a zirconium alloy sheathing tube having high resistivity to overall corrosion in an aq. soln. at a high temp., an excellent temp. creep characteristic and excellent resistivity to corrosion under pressurization condit...
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JPH07301687A |
PURPOSE: To provide a clad tube which can resists generation of a hydride defect when a coating is damaged. CONSTITUTION: A clad pipe 17, which is used for storage of a fissionable material in a water cooled nuclear reactor, comprises an...
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JPH07103433B2 |
Zirconium-based corrosion resistant alloys are provided primarily for use as a cladding material for fuel rods in a boiling water nuclear reactor, the alloy in one embodiment consisting essentially of about 0.5-2.0 percent by weight of t...
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JPH07268518A |
PURPOSE: To produce a zirconium alloy material for a light water reactor small in swelling, by using the isotopes of Sn, Fe, and Cr to be added to Zr having small neutron absorption cross sections. CONSTITUTION: In a zirconium alloy mate...
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JPH07252561A |
PURPOSE: To produce an alloy in which the crystallization temp. of an amorphous phase is high, therefore thermally stable and having high strength, in a (Ti Zr)-Cu (Hf, Ni, Pd, Co, Ag) alloy, by specifying its compsn. CONSTITUTION: This ...
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JPH07252559A |
PURPOSE: To develop a Ti-base amorphous alloy excellent in amorphism formability and having high strength by alloying Ti with specified amts. of iron-family metals, Zr, Hf, etc. CONSTITUTION: The molten Ti alloy shown by the composition ...
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JPH07242968A |
PURPOSE: To improve the corrosion resistance and reliability of an alloy by allowing trace amounts of Fe and Cr to enter into solid solution in an α-Zr matrix in a specified range. CONSTITUTION: In a compsn. constituted of, by weight, 1...
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JPH0776400B2 |
Zirconium-based corrosion resistant alloys for use primarily as a cladding material for fuel rods in a boiling water nuclear reactor consist essentially of by weight percent about 0.5 to 2.0 percent tin, about 0.24 to 0.40 percent of a s...
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JPH0774408B2 |
An improved corrosion resistant ductile modified zirconium alloy for extended burnups in water-moderated nuclear reactor core structural components, fuel cladding and analogous corrosive environment uses is provided. It comprises: measur...
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JPH0762225B2 |
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 highly...
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JPH0762224B2 |
PURPOSE:To provide a Zr alloy member which obviates the generation of nodular corrosion and white full surface corrosion in particular and has excellent corrosion resistance by incorporating Nb, Sn, Fe, and Mo respectively at prescribed ...
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JPH0762197B2 |
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:...
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JPH07166280A |
PURPOSE: To stably provide a zirconium alloy always exhibiting excellent corrosion resistance even in high temp. water or high temp. steam and suitable, e.g. for a fuel cladding pipe for a light-water power reactor. CONSTITUTION: This zi...
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JPH07150275A |
PURPOSE: To improve resistance to corrosion, particularly to uniform corrosion, due to the structure transformation of an oxide film ZrO2 of a nuclear fuel clad pipe made of zirconium-base alloy. CONSTITUTION: This alloy has a compositio...
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JPH0730421B2 |
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JPH0790434A |
PURPOSE: To provide a getter device suitable for use in a sealed vessel packed with an inert gas to be maintained to a reducing atmosphere. CONSTITUTION: A getter comps. is composed of a ternary alloy Zr (V1-X, FeX) (X is in the range of...
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JPH0776746A |
PURPOSE: To provide a high corrosion resistant zirconium-based alloy whose high corrosion resistance obtd. by β hardening is hard to deteriorate even at the time of the subsequent heat treatment. CONSTITUTION: A zirconium-based new allo...
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JPH0765833A |
PURPOSE: To provide a hydrogen storage alloy electrode for a battery excellent in performance such as high efficiency discharge property at a low temperature and life. CONSTITUTION: Hydrogen storage alloy is formed of Zr or Zr and Ti. Th...
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JPH0717975B2 |
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JPH0718007B2 |
PURPOSE:To produce a Zr-based alloy base material excellent in the corrosion resistance by forming an O2-deficient type oxidation layer on the surface of Zr-based alloy and thereafter implanting the elements of group VA, VB, VIA and VIB ...
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JPH0713897B2 |
PURPOSE:To achieved good stable characteristics of a fuel cell electrode by using a noncrystal alloy composed of zirconium and at least one of the platinum group metals and coated with a porous active layer as the fuel cell electrode. CO...
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JPH0713274B2 |
A substance for reversibly absorbing and desorbing hydrogen is disclosed. The substance consists of 0.8 - 20% by weight of one or more oxides of elements selected from La, Ce, Nd, Pr, Sm and Eu dispersed into Zr(FeV)x (0.01
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JPH0734164A |
PURPOSE: To obtain a poisonless low-cost hydrogen occluding alloy capable of arbitrarily setting equilibrium hydrogen pressure by varying the amt. of Pd, Pt, etc., added to a hydrogen occluding alloy having a specified molar ratio among ...
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JPH079054B2 |
PURPOSE:To obtain a Zr alloy having superior nodular corrosion resistance and mechanical characteristics and causing hardly bending and warping by leaving compressive stress on the surface of a Zr alloy having an alpha-phase crystal stru...
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JPH0727884A |
PURPOSE: To provide a clad fuel tube superior in corrosion resistance and resultingly having a long life and its proper production method. CONSTITUTION: On the outer surface of inner layer of a reactor clad fuel tube formed out of a zirc...
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JPH076018B2 |
Zirconium alloy with high corrosion resistance. This alloy comprises from 0.2 to 1.15 % by weight of Sn, from 0.18 to 0.24 % by weight of Fe, from 0.07 to 0.13 % by weight of Cr and from 0.05 to 1 % by weight of Nb, the remainder being z...
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JPH076019B2 |
Zirconium alloy with high corrosion resistance. This alloy comprises from 0.2 to 1.7 % of Sn, 0.18 to 0.24 % of Fe, 0.07 to 0.13 % of Cr, 0.01 to 0.1 % of Ta and optionally from 0.05 to 1 % of Nb, the remainder being Zr and occasional im...
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JPH073365A |
PURPOSE: To produce a hydrogen storage alloy excellent in high-efficiency discharging properties at a relatively low cost by preparing an alloy constituted of specified ratios of Zr, Ti, Mn, Al, Ni, Si, Cr or the like and in which the es...
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JPH06345409A |
PURPOSE: To eliminate powdering of a permeating film and obtain a high-purity hydrogen gas efficiently over a long period of time by forming a metal film for selectively permeating hydrogen on the surface of a hydrogen storage alloy film...
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JPH06340401A |
PURPOSE: To obtain high-purity gaseous hydrogen at a low cost by permeating and refining gaseous hydrogen with a hydrogen storage alloy as a membrane material. CONSTITUTION: A first metallic material A consisting of a hydrogen storage al...
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JPH06330218A |
PURPOSE: To provide the base alloy for adding zirconium and rare earth element or silver and copper to magnesium alloy. CONSTITUTION: (1) This zirconium base alloy for production of magnesium alloy contains ≤35wt.% zirconium and the ba...
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JPH06322456A |
PURPOSE: To decrease the content of impurity oxygen and to impart high performance and high quality to the hydrogen occlusion alloy by feeding the raw material of the hydrogen occlusion alloy to an oxide crucible and melting the raw mate...
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JPH06317688A |
PURPOSE: To provide a complex nuclear fuel vessel for water-cooled nuclear reactor having an enhanced anti-corrosiveness. CONSTITUTION: A complex nuclear fuel vessel 12 used in a water-cooled nuclear reactor is composed of a tubular vess...
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JPH0688765B2 |
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 sta...
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JPH0689434B2 |
PURPOSE:To obtain an inexpensive metallic alloy for hydrogen storage occluding a large amount of hydrogen and easily releasing hydrogen in a wide temp. range by preparing an alloy by blending specific percentage of Zr, Fe and Cr. CONSTIT...
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JPH0684530B2 |
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 alpha-Nb are finely ...
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JPH06297205A |
PURPOSE: To provide a high hardness sintered body coated composite material which achieves strong close adhesiveness of a cemented carbide alloy base and a sintered body and is useful as a material for cutting tools and abrasion resistan...
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JPH06281562A |
PURPOSE: To provide a method for evaluating the corrosion resistance of a zirconium alloy simply in a short time through the measurement of an anodic polarization curve. CONSTITUTION: An anodic polarization curve of a zirconium alloy who...
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JPH0674470B2 |
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JPH0672271B2 |
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JPH06251769A |
PURPOSE: To improve an initial discharge characteristic without spoiling high capacity by solving a problem that discharge capacity is very small in the initial stage of a charging and discharging cycle when conventional Zr-Mn- Mo-Cr-Ni ...
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JPH06251768A |
PURPOSE: To improve a discharge characteristic when rapid charging is carried out without spoiling high capacity and an initial discharge characteristic by solving a problem that the discharge characteristic becomes very bad since a batt...
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