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Matches 801 - 850 out of 1,086

Document Document Title
JPH0483838A
PURPOSE: To obtain a zirconium alloy excellent in corrosion resistance and having suitable workability and ductility by adding a specified amt. of Nb as well as specified amounts of Y, Pb, Cu or the like to zirconium. CONSTITUTION: A zir...  
JPH0413411B2  
JPH0428868A
PURPOSE: To produce a Zr alloy in which surface characteristics, such as corrosion resistance and wear resistance, are improved by implanting element, such as Cr, on the oxide layer free surface of a Zr alloy by means of ion implantation...  
JPH042344B2  
JPH042354B2  
JPH0379430B2  
JPH0379013B2  
JPH0377869B2  
JPH0375626B2  
JPH03223434A
PURPOSE: To manufacture a Zr alloy improved in bendability by successively executing heating in the β single phase range, cooling to the α single phase range, heating and working treatment in the α single phase range under specified c...  
JPH03211271A
PURPOSE: To easily obtain a reactive getter material which is sealed into a vacuum vessel and can permanently maintain a vacuum degree by evaporating a metal to constitute the getter material by using an electron beam in a vacuum, thereb...  
JPH03209191A
PURPOSE: To improve corrosion resistance by forming a tube by extrusion- molding a zirconium radical allay at an arbitrary temperature in α area, heating the outside of a tube wall at a temperature in β area and then rapidly cooling it...  
JPH03207832A
PURPOSE: To obtain the high strength Zr alloy excellent in nodular corrosion resistance and mechanical characteristics by incorporating Zr with specified amounts of Sn, Fe, Cr, Ni and O or furthermore with Nb. CONSTITUTION: Zr is incorpo...  
JPH0352973B2  
JPH03163396A
PURPOSE: To realize uniform and fine crystalline grain size, to reduce cracks and to improve the durability by adding a small amount of silicon Si to pure Zr containing iron of concentration lower than the solubility of the zirconium Zr....  
JPH0344275B2
A method of producing cladding tube comprises a step of temperature-gradient annealing in which the inner surface of the tube is heated to a temperature higher than the recrystallization temperature thereof, while the outer surface of th...  
JPH03140446A
PURPOSE: To extinguish a zone depleted in the solid soln. components of alloy elements in the core equipment and to provide it with nodular corrosion resistance, in a final manufacturing stage for core equipment constituted of a Zr alloy...  
JPH0335370B2  
JPH03107436A
PURPOSE: To manufacture the zirconium alloy having excellent stress corrosion cracking resistance in nitric acid by preparing a zirconium alloy contg. specified ratio of Ta. CONSTITUTION: A zirconium alloy contg., by weight, 1 to 20% Ta,...  
JPH0394036A
PURPOSE: To manufacture the heat-resistant material which is lightweight and excellent in high temp. strength by preparing a Zr3Al-base material contg. specified ratios of Al and one or more kinds among W, Fe and B and the balance Zr. CO...  
JPH0390535A
PURPOSE: To manufacture the Zr alloy member excellent in wear resistance and erosion resistance by forming the structure at least of a surface layer part in a Zr alloy member from the one of which ZrC is dispersed into a matrix. CONSTITU...  
JPH0347933A
PURPOSE: To provide the alloy having superior absorptivity even when used at ≤300°C and also excellent in crushability by adding specific amounts of Al and Nb and/or Ta to Zr. CONSTITUTION: This nonevaporation-type getter alloy has a ...  
JPH0336228A
PURPOSE: To manufacture a zirconium alloy having excellent corrosion resistance in a high temp-high pressure nuclear reactor by adding plural kinds of alloy elements having specified value of standard electrode potential, by the amt. exc...  
JPH0331438A
PURPOSE: To improve corrosion resistance and more particularly the corrosion resistance to nodular corrosion by adding a specific ratio of a vanadium element to a zircaloy-2 (Zry-2). CONSTITUTION: This Zr alloy is formed by adding 0.2 to...  
JPH039406B2
A level gauge for liquid helium suitable for use under a higher vapor pressure comprising a sensing element in the form of a ribbon wire made of superconductive alloys and a tube supporting the sensing element which tube is inserted into...  
JPH033917B2
A composite canning material for nuclear fuel elements comprises a can, e.g. of conventional zirconium alloy, with a metallurgically bonded inner lining of dilute zirconium niobium alloy, pref. a Zr/0.1-0.5 (esp. 0.2-0.4)% Nb alloy, the ...  
JPH031559B2
A vacuum insulated fluid transfer pipeline section and its method of manufacture are described. To maintain the vacuum, use is made of a non-evaporable getter material capable of the permanent sorption of active gases and the reversible ...  
JPH02271291A
PURPOSE: To improve external corrosion resistance and abrasion resistance by constituting a surface layer having a thickness of 10-25% of the entire thickness of a fuel coating wall with a zirconium base alloy containing, in a specified ...  
JPH0250968B2
Amorphous phases are prepared by heat treatment of intermetallic compounds of Zr-Al alloys in hydrogen-containing gas to absorb hydrogen.  
JPH02263943A
PURPOSE: To obtain the corrosion-resistant zirconium alloy having excellent corrosion resistance, particularly nodular corrosion resistance by specifying the compsn. constituted of Ni, Fe, Sn, O and Zr. CONSTITUTION: The corrosion-resist...  
JPH0247535B2
PURPOSE:To provide a hydrogen occluding alloy contg. Mg, Ca or the like besides Zr occluding a large amount of hydrogen and inexpensive and relatively active Mn as principal components, represented by a specified general formula, and hav...  
JPH02250947A
PURPOSE: To improve the nodular corrosion resistance of the zirconium alloy by irradiating the surface of a Zr-base alloy as a final manufactured article manufacture from a pure Zr sponge as raw material with corpuscular rays. CONSTITUTI...  
JPH0242893B2
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, an...  
JPH02232328A
PURPOSE: To manufacture an alloy for absorbing nitrogen oxide by incorporating specified amounts of Zr-base Laves phase intermetallic compounds into an alloy. CONSTITUTION: By weight, ≥10% Zr-base Laves phase intermetallic compounds su...  
JPH02228442A
PURPOSE: To manufacture the zirconium-series metallic material for hydrogen storage safely occluding and releasing hydrogen at high density by preparing a metallic material contg. specified ratios of Zr, V and Ni. CONSTITUTION: A zirconi...  
JPH02221345A
PURPOSE: To make a material lightweight, to provide superior heat resistance, and to secure the strength of a material at high temp. by adding specific amounts of Ti to a Zr3Al-base material. CONSTITUTION: A heat resisting material has a...  
JPH02209443A
PURPOSE: To effectively improve the deterioration of corrosion resistance in the Zr alloy caused by N by adding specified trace amt. of Ni to a Zr alloy contg. the elements for improving corrosion resistance such as Sn, Fe and Cr. CONSTI...  
JPH02209447A
PURPOSE: To obtain the hydrogen storage alloy having excellent characteristics by adding at least one kind among rare earth elements, misdh metal or V to a Zr-Mn-Co-Al series hydrogen storage alloy. CONSTITUTION: Metal A of at least one ...  
JPH0233988B2
Means for discriminating the corrosion susceptibility of alloys of zirconium in an environment of a water cooled, nuclear fission reactor.  
JPH02179837A
PURPOSE: To manufacture the alloy which is homogeneous and has good characteristics such as the amt. of hydrogen to be stored with good reproducibility by utilizing at least zircalloy as a starting material. CONSTITUTION: At least zircal...  
JPH02173235A
PURPOSE: To obtain a corrosion resisting zirconium alloy showing excellent corrosion resistance by specifying a composition consisting of Ta and/or Bi, at least one kind among Fe, Cr, Ni, and Nb, and Zr. CONSTITUTION: The alloy is a corr...  
JPH02159335A
PURPOSE: To obtain the pellet easy to activate at a low temp. by mixing Zr-base alloy powder having specific grain size with specific amt. of V-base alloy powder, pressurizing the mixture in the neighbourhood of the ordinary temp., subje...  
JPH02159336A
PURPOSE: To improve the nodular corrosion resistance of the title alloy in the environment of being brought into contact with high temp.-high pressure water or steam by adding small amounts of Ru, Rh, Pd, Pt and Au to a Zr alloy contg. s...  
JPH0224764B2
PURPOSE:To improve the resistance to poisoning by impure gas by coating the surfaces of particles of a hydrogen occluding alloy with thin films of Pd, Cu or Ni permeable selectively to only hydrogen. CONSTITUTION:The surfaces of particle...  
JPH02107740A
PURPOSE: To carry out the occlusion and release of hydrogen with initial activation treatment, the ease of operation in high-temp. region, and a slight pressure difference by substituting Co for a part of Mn in a ZrMn2 alloy having MgZn2...  
JPH0270034A
PURPOSE: To make it possible to produce a sponge having a shape approximate to its final shape directly from a metallic sponge without requiring an arc welding stage, by substantially not incorporating halide into the metallic sponge and...  
JPH01301830A
PURPOSE: To obtain a Zn alloy having excellent corrosion resistance in water and steam at high temp. and high pressure by incorporating one or more kinds of specific amounts of Nb, V, Mo, Ta and W into a Zn-Sn-Fe-Cn-Ni alloy or a Zn-Sn-F...  
JPH01298129A
PURPOSE: To facilitate the activating treatment of the title alloy and to extend the range of its utilization by adding Cu to a Zr-V-Fe alloy and specifying its compsn. CONSTITUTION: The gas absorbing alloy contains, by weight, 10-55% V,...  
JPH0151948B2
Cladding tubes for containing nuclear fuel material utilizing zirconium base alloys containing from 0.1 to 0.6 weight per cent tin; from 0.07 to 0.24 weight per cent iron; about 0.05 to 0.15 weight per cent chromium; and up to 0.05 weigh...  
JPH01252748A
PURPOSE: To effectively prevent the nodular corrosion in the title alloy by uniformly dispersing an Fe-contg. intermetallic compound to the whole structure of a Zr-based alloy. CONSTITUTION: An intermetallic compound contg. Fe and having...  

Matches 801 - 850 out of 1,086