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Matches 601 - 650 out of 1,422

Document Document Title
JP2001073051A
To inexpensively produce the material for a fuel assembly of a water cooling type nuclear reactor executing operation of a high burn-up without causing the variation of product characteristics. This corrosion resistant zirconium base all...  
JP2001050160A
To simplify manufacturing processes and manufacture a getter cheaply and safely by hydrogenating zirconium or titanium having a specified purity, and smashing it, and furthermore, forming finely smashed powder, in an non- evaporated gett...  
JP2001040441A
To increase a proof stress (strength) and improve corrosion resistance, and improve a absorptivity for hydrogen and a dimensional stability. The alloy incorporates Fe, Cr, Sn, and Nb, further actively incorporates O. The compounding rati...  
JP2001027683A
To enable high anti-neutron damage and high anti-corrosion by making at least one of a cladding tube, a spacer and a channel box Zr-based alloy, and making the average crystal particle diameter a specific value or less.A fuel assembly is...  
JP2001004769A
To prevent the use of an alloy whose corrosion resistance is bad and from which an oxide film is exfoliated by a method wherein the corrosion resistance of the alloy is judged by using a correlation between a solid solubility constant as...  
JP2001003127A
To provide high elasticity, excellent cold plasticity and workability, and excellent corrosion resistance by incorporating specific percentages of Ti, Zr, Nb, and Ta and regulating the ratio of Zr to Ti by mass and the ratio of Nb to Ta ...  
JP2001003126A
To provide excellent biocompatibility required of a biomaterial to be implanted in a living body over a long period by incorporating specific percentages of Ti, Zr, Nb, and Ta and regulating the ratio of Zr to Ti by mass and the ratio of...  
JP2000517428A
(57) The guidance pipe for control rods (6) which consists of the zirconium alloy (ジルカロイ*2 and ジルカロイ*4) in a summary pressurized water reactor shows growth intense in the direction of an axis line by neutron irradiati...  
JP3136738B2
PURPOSE: To provide a manufacturing method for hydrogen storage alloy electrode having excellent electrode activity and utilization efficiency by causing nickel to adhere to a hydrogen storage alloy powder surface and sintering the resul...  
JP2000516108A
(57) A summary golf club (20) consists of a shaft (22) of a club, and a head (24) of a club. As for the shaft (22) or the head (24), the part is formed of the bulk solidification amorphous metal at least. Composition of a desirable bulk ...  
JP2000329720A
To accurately grasp usage limit by measuring a specific resistance value for an oxide film formed on the surface of a zirconium alloy and predicting the generation timing of the acceleration of corrosion rate. The judgment of the corrosi...  
JP2000329880A
To provide a determination method of corrosion resistance of a zirconium alloy used in a nuclear reactor, and a highly corrosion resistant zirconium alloy. In this determination method of corrosion resistance, iron or nickel in an interm...  
JP3094778B2  
JP3094235B2  
JP2000265252A
To impart remarkably high strength and toughness such as ductility by preparing an alloy consisting of specified ratios of Zr, Ni, Cu, Al, Au, Ag, or the like, and composed of a structure at least having an amorphous phase. An alloy repr...  
JP3092114B2  
JP3092262B2  
JP2000239068A
To obtain a material or parts significantly improved in the life of its portion exposed to plasma by making the total content of W, Mo, Fe, Ni, oxygen and carbon as impurities in at least one metal of Zr, Nb and Ta or an alloy thereof le...  
JP2000234156A
To increase the amorphousness forming performance of the alloy by controlling the content of oxygen therein to a specified range and allowing it to contain an amorphous phase by a specified volume ratio. This bulky amorphous alloy has an...  
JP3081173B2  
JP3082369B2  
JP2000219926A
To enable the reversibly repeated absorbing and discharging of hydrogen or hydrogen isotopes at high density under sufficiently low equilibrium pressure by specifying the compsn. composed of Zr, Ni and Co, moreover executing cooling at a...  
JP2000212663A
To provide a high corrosion resistance zirconium alloy combining uniform corrosion resistance and nodular corrosion resistance so as to correspond to the increase of the burnup of nuclear fuel and the prolongation of the residense time i...  
JP2000509098A
(57) in order to obtain the metal matrix composite (20) containing a summary reinforcing member, The piece of a reinforcing member (22) is distributed all over Melut of the amorphous metal under bulk solidification, and the mixture obtai...  
JP2000178700A
To enhance the amorphous formability in the alloy and to improve its corrosion resistance as well by allowing it to have a specified compsn. composed of Zr; Al and/or Ga; (Ni, Co, Fe) Cu; Nb.This alloy is expressed by the general formula...  
JP3057074B2  
JP2000169921A
To obtain an alloy material having a large hydrogen storage capacity and excellent in shape retention by mixing a Zr-V alloy powder contg. Zr of a specified ratio with inevitable impurities and Ni powder contg. inevitable impurities in a...  
JP2000144288A
To obtain a hydrogen storage alloy exhibiting improved capacitance by forming a base alloy consisting of specific percentages of Ti, Zr, V, Ni, and Cr. This hydrogen storage alloy consists of a disordered electrochemical hydrogen storage...  
JP2000144380A
To easily manufacture a super corrosion-resisting alloy composed of amorphous or nano-crystalline alloy having super corrosion resistance capable of resisting even concentrated acids by the use of an inexpensive base material of sputteri...  
JP2000129378A
To provide an amorphous Zr alloy of practical use, combining high strength with high toughness. This amorphous Zr alloy has a composition represented by formula Zr-Ala-Nib-Cuc-Md [wherein M is one or ≥2 elements selected from the group...  
JP2000102845A
To provide a method for manufacturing a bar-like and hollow pipe-like product having various cross sectional shapes with a molten metal of amorphous alloy material continuously at high energy efficiency and low cost.In a first step cooli...  
JP2000105289A
To restrain uniform white corrosion to allow safe use for a long period, by regulating average crystal grain sizes of a zirconium alloy and the thicknesses of an outer surface layer, in the outer surface layer in the vicinity of an welde...  
JP2000096178A
To provide an alloy improved in hydrogen releasing performance by converting a hydrogen storage alloy having V base phases into composite phases.Two phases of the V base phase and the Zr base phase composed of V, Ti, Zr and M (at least o...  
JP3003862B2  
JP2000026930A
To obtain an alloy suitable for the cladding of a nuclear fuel element by allowing it to have a specified compsn. contg. Bi, Nb, and the balance Zr. The compsn. of an alloy is composed of, by weight, 3 to 6% Bi, 0.5 to 3% Nb, and the bal...  
JP2000026929A
To obtain an alloy suitable for the cladding of a nuclear fuel element by allowing it to have a specified compsn. contg. Bi, Sn, Nb, and the balance Zr. The compsn. of an alloy is composed of, by weight, 1.5 to 6% Bi, 1 to 4% Sn, 0.5 to ...  
JP2000500531A
(-- 57) summary -- the multi-ingredient hydrogen absorption material resulting from remarkable small micro crystallite size as shown in the graph in the hydrogen absorption site (10-/cc defective site) in which high-density use is possib...  
JP2000001790A
To prevent deactivation of a hydrogen occlusion body by water. This composite hydrogen occlusion body is produced by coating a hydrogen occlusion material with a hydrophobic ceramic coating film. The hydrogen occlusion material is a powd...  
JP2988493B2  
JPH11339790A
To provide a metal-oxide/hydrogen storage battery improving electric activation of a hydrogen storage alloy and suppressing elution of the ingredient. This storage battery is provided with a negative electrode 4 including hydrogen storag...  
JPH11333034A
To manufacture an amorphous alloy plate suitable for a golf glub head material easily in a short time. A water-cooled type copper made mold 10 composed of an elevatable upper mold 12 and a fixed lower mold 16 is used. An over-cooling liq...  
JP1999324915A5  
JPH11324915A
To highly purify the gas atmosphere in a working zone in a physical vapor deposition process. This getter system is formed of one or plural practically flat surface getter devices 26, 26' to be inserted into a working zone, and the gette...  
JPH11323454A
To provide a relatively easy method for producing an amorphous molding with less thermal influence and to provide a method for capable of easily producing a molding with complicated surface properties, a hollow molding or the like. A mol...  
JP2980425B2  
JP2977599B2  
JP2977606B2  
JP2975036B2
A getter material which efficiently sorbs gases at low pressure but, when a system failure cau'ses high pressures of hydrogen and oxygen of air to be present, does not increase its temperture to that which would cause explosive ignition ...  
JP2971564B2  
JP2971122B2  

Matches 601 - 650 out of 1,422