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JPH03267359A |
PURPOSE: To produce heat resisting treated parts improved in heat resistance and oxidation resistance by forming a vapor deposited film of B and Hf on the surface of Ni-base parts to be treated, alloying this vapor deposited film by mean...
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JPH0372708B2 |
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JPH0372707B2 |
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JPH03257152A |
PURPOSE: To obtain a thin sheet of a hardly workable high permeability Fe-Si-Al alloy with high productivity by rolling a deformable steel sheet contg. specified amts. of Si and acid-sol. Al to a thin shape, carrying out Al-Si plating an...
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JPH0371507B2 |
A zirconium-base alloy structural member, wherein at least one element selected from phosphours, vanadium, niobium, tantalum, arsenic, antimony, bismuth, sulfur, chromium, molybdenum, tungsten, selenium, tellurium and polonium is distrib...
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JPH03249168A |
PURPOSE: To easily improve the heat resistance of undermentioned parts at a low cost by embedding Ti alloy parts in which activation treatment is previously applied to the surface in a powder mixture of pure Al and Al2O3 in a specific ra...
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JPH03243758A |
PURPOSE: To produce a radiator fin material improved in working precision by providing a coating layer of zinc material to the surface of a base material composed of copper alloy, exerting diffusion treatment by heating, performing rolli...
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JPH03240941A |
PURPOSE: To improve the corrosion resistance on the surface of a carbon steel by subjecting the surface of the carbon steel to decarburizing treatment, diffusing Cr or Cr and V into the decarburizing layer and forming a Cr enriched layer...
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JPH0365435B2 |
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JPH0362788B2 |
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JPH03219065A |
PURPOSE: To improve oxidation resistance and wear resistance and to lighten the weight by providing an Al pack cementation layer in which thickness, hardness, and Al concentration are specified, respectively, at least to the surface of t...
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JPH03219064A |
PURPOSE: To improve heat resisting reliability by plating the surface of a phosphor bronze substrate with Ni to specific thickness, allowing Ni to diffuse into the substrate, and then providing a metallic layer on the above. CONSTITUTION...
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JPH0358827B2 |
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JPH0357184B2 |
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JPH0355553B2 |
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JPH0355545B2 |
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JPH0352531B2 |
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JPH0346542B2 |
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JPH03138350A |
PURPOSE: To improve the surface characteristics of the surface hardness, etc., of a steel object by forming a diffused layer contg. a specific ratio of Si on the surface of the steel object in a normal state at a specific temp. by using ...
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JPH0336899B2 |
Methods are provided for forming protective diffusion layers on nickel, cobalt and iron base alloy parts comprising the steps of depositing a coating of a platinum group metal on the surface of the part to be protected and forming a diff...
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JPH0336900B2 |
Methods are provided for forming protective diffusion layers on nickel, cobalt and iron base alloy parts comprising the formation of a diffusion layer of platinum, chromium and aluminum on said surfaces either by deposition of platinum a...
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JPH03122265A |
PURPOSE: To prevent the occurrence of pitting with certainty by exerting chromizing treatment, removing a powdery penetrant, and then neutralizing and washing the remaining penetrant within 24hr. CONSTITUTION: After chromizing treatment ...
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JPH03100160A |
PURPOSE: To prevent the oxidation wear at a high temp. and to obtain the perforated body strong to thermal impact by impregnating an inorg. polysilazane soln. into the manihold of molybdenum pipes and heating the manihold to convert the ...
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JPH0375353A |
PURPOSE: To form a thin Al layer on the surface of a thin stainless steel sheet by bringing respective tips of a wire brush having fine Al parts at the tips into contact with the surface of a thin stainless steel sheet and causing fricti...
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JPH0371522A |
PURPOSE: To improve arc resistance and to drastically reduce the consumption of a material by applying heat treatment to an Ag-Li alloy, so as to form a layer rich in Li or oxide Li by thermal diffusion, on a surface layer of the Ag-Li a...
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JPH0355711A |
PURPOSE: To obtain a terminal, connector of excellent conductivity and of high tensile strength by providing a Zn diffusion penetrant layer that has a predetermined diffusion penetration layer thickness on the surface of the matrix compo...
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JPH0349113A |
PURPOSE: To improve workability and critical current density by using a bronze material formed by the semi-coagulation processing method. CONSTITUTION: An Nb or Nb alloy raw material and a bronze material of a Cu-Sn alloy formed by the s...
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JPH0339461A |
PURPOSE: To improve corrosion resistance and heat transfer efficiency by applying chromizing treatment to the internal surface and/or external surface of a steel tube by using a penetrant in which the weight ratio of Cr powder to V powde...
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JPH0312142B2 |
PURPOSE:To produce ferritic stainless steel foil coated with alumina whiskers by mechanically plating the surface of ferritic stainless steel foil hardly contg. Al with Al to form an Al layer, thermally diffusing the Al layer into the oi...
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JPH0317825A |
PURPOSE: To obtain the disk substrate made of titanium having excellent C-axis orientability by subjecting a stock obtd. by forming aluminum layers on a titanium sheet to a diffusion heat treatment for ≥30 minutes at ≥300°C and ≤6...
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JPH0313558A |
PURPOSE: To form an Ni plating film free from blister of plating and having superior adhesive strength by forming an Ni (alloy) plating film on a metallized layer on a substrate and then applying the prescribed heating treatment to the a...
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JPH036360A |
PURPOSE: To manufacture the surface treated titanium sheet having good wettability and easily executable of brazing in the air by applying specified coating weight of Ni coating onto a titanium material as a hot rolled sheet or that as c...
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JPH02305975A |
PURPOSE: To develop plated steel which has excellent corrosion resistance in the highly corrosive conditions by forming the plated layer of Zn-Mg alloy on the surface of steel and thereafter heating it and forming the plated film of both...
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JPH0260041B2 |
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JPH0258333B2 |
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JPH0258348B2 |
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JPH02282464A |
PURPOSE: To form an Ni2Al3 layer on the surface of a ferrous base material and to obtain a sliding member reduced in coefficient of friction and having superior sliding characteristics by forming an Ni plating layer and an aluminizing la...
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JPH02282466A |
PURPOSE: To improve the wear resistance of the surface of a cemented carbide tool by ion-diffusing W-Co mixed oxide or Ti-Mo or Ti-Mo-Co oxide and phosphate over the polished surface of a tool made of superalloy or cermet. CONSTITUTION: ...
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JPH02282465A |
PURPOSE: To form an Ni2Al3 layer on the surface of a ferrous base material and to obtain a sliding member reduced in friction coefficient and having superior sliding characteristics by forming an Ni plating layer and an aluminizing layer...
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JPH0253520B2 |
A substrate such as a single crystal gas turbine blade is given a protective coating by composite electrodeposition of a metal matrix M1 containing particles of CrAlM2, where M1 is Ni or Co or Fe and M2 is Y, Si, Ti, or a rare earth elem...
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JPH0252365B2 |
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JPH02274866A |
PURPOSE: To improve a painting adhesive property and the corrosion resistance after painting together with corrosion resistance by applying a Cr coating layer on the steel sheet, further, applying an Ni (alloy) coating thereon, and then ...
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JPH02274865A |
PURPOSE: To continuously form a surface-treating layer such as a carbide layer by magnetically removing a magnetized alloy with the layer forming capacity decreased and adding a nonmagnetized alloy into a fluidized-bed furnace. CONSTITUT...
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JPH02268827A |
PURPOSE: To facilitate the control of an atom concn. and separation of an element or an isotope by packing a condensable material consisting of ≥2 elements in a vessel capable of being rotated at high speed and rotating the vessel unde...
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JPH02267284A |
PURPOSE: To easily produce a large-sized cutting tool having excellent hardness and wear resistance by providing an intermediate layer consisting of a metal carbide and metal nitride by a diffusion method on the surface of a base materia...
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JPH0247605B2 |
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JPH0247538B2 |
Ferrous metal or titanium or aluminum is coated with a mixture of phosphoric acid, chromic acid and magnesium salts of these acids, as well as with aluminum flakes, or coated with a mixture of aluminum flakes and magnesium chromate or di...
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JPH02256503A |
PURPOSE: To improve adhesion and durability by coating Cu and Zn on the surface of a particular bead wire in turn, specifying the Cu and Zn content and the plating sticking quantity of brazen plating, and changing the Cu content within f...
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JPH0246312B2 |
A substrate for printed circuitry to which surface mountable components may be attached is formed by the successive steps of forming a laminate consisting of a layer of an alloy (50) (such as an alloy consisting of 42% nickel and 58% iro...
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JPH0245283B2 |
PURPOSE:To obtain a superconductive tape of high current density and high stability by a method wherein an unprocessed superconductive compound tape is divided into two or more by cutting along its longitudinal direction and treated by a...
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