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JPH04217304A |
PURPOSE: To offer a permanent magnet, whose corrosion resistance is improved as it is excellent in magnetic property, and its manufacture, in an Nd-Fe-B sintered magnet. CONSTITUTION: The title magnet is obtained by burying a molded item...
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JPH04214604A |
PURPOSE: To offer a permanent magnet, which is superior in magnetic characteristics and moreover, whose corrosion resistance is improved, and the manufacturing method of the magnet using an Nd-Fe-B sintered magnet. CONSTITUTION: An Nd-Fe...
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JPH0447038B2 |
A process for surface-treating copper products, for example, a copper foil to be used for a copper-clad laminate, is provided, which process comrpises electrolytically depositing a binary alloy consisting of 95 to 20% by weight of zinc a...
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JPH0447028B2 |
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JPH0447031B2 |
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JPH0447029B2 |
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JPH0447030B2 |
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JPH0445579B2 |
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JPH04202725A |
PURPOSE: To manufacture a sheet material or wire rod contg. an intermetallic compound by laminating sheets of specified different metals or executing laminating into the shape of a tube, heating the laminate and executing clad rolling or...
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JPH04193966A |
PURPOSE: To form a film excellent in rust proofing effect and having metallic luster on the surface of cast iron parts with tight adhesion by removing molding sand on the surface and graphite in cast iron parts, thereafter applying hot-d...
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JPH04189375A |
PURPOSE: To improve corrosion resistance by thermal spraying a different metal, such as copper, titanium, nickel, stainless steel, or chromium, or the alloy thereof, onto the surface of a blank material made of a metal, such as aluminum,...
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JPH04187795A |
PURPOSE:To perform Zn diffusion treatment of a Zn coated Al alloy in a short time and to form a sacrificially corroding Zn layer by forming a Zn coating film on the surface of an Al-Mg alloy contg. specified amts. of Mg and Li and/or Be ...
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JPH04187741A |
PURPOSE: To obtain a steel sheet for a can excellent in corrosion resistance and rusting resistance by rolling a continuously cast slab having a specified compsn., thereafter applying Ni plating thereto, subjecting it to continuous annea...
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JPH04171102A |
PURPOSE: To maintain the cutting performance of a cutting tool and improve its life under severe condition by forming a hard diffusion layer composed of a compound carbide having Ti and Nb as main component on the basic surface of a tita...
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JPH0435038B2 |
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JPH04163326A |
PURPOSE: To obtain a flange rotor having excellent abrasion resistance by forming a cemented chromium layer having a specific chromium carbide layer as the outermost layer on the surface of a carbon steel or a low-alloy steel. CONSTITUTI...
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JPH04160126A |
PURPOSE: To produce a thin plate product of TiAl intermetallic compd. without melting and casting processes by subjecting a composite laminated plate with controlled plate thickness ratio of Ti thin plate and Al thin plate to diffusion t...
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JPH04158908A |
PURPOSE: To obtain a seamless steel tube of duplex stainless steel excellent in the outside surface quality of tube without rolling flaw that is harmful to productivity and cost by rolling by Mannesmann process for making tube using a ro...
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JPH04157106A |
PURPOSE: To manufacture the above sintered body having the surface layer excellent in high temp. corrosion resistance at the time of sintering by embedding Ni-containing metal powder green compact into mixed powder containing Al powder a...
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JPH0430459B2 |
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JPH0430466B2 |
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JPH0430460B2 |
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JPH0430467B2 |
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JPH0430458B2 |
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JPH0430469B2 |
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JPH04143264A |
PURPOSE: To increase the strength and hardness of the surface layer of Ti at a low cost and to make it possible to obtain a specular surface by polishing by adding a β-stabilizing element, an α-stabilizing element or a neutral element ...
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JPH04131386A |
PURPOSE: To improve the durability of adhesion and to render high corrosion resistance by plating a Zn plating layer formed on the surface of a steel sheet with Al and then forming an alloy plating layer having high concn. of Al in the s...
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JPH04131365A |
PURPOSE: To offer a method of reforming a surface of molybdenum molded body excellent in durability at a low process cost by applying a diffusing agent containing a metal element powder as the essential agent, buffer, activator and soln....
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JPH0425650B2 |
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JPH0424422B2 |
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JPH0424423B2 |
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JPH04120261A |
PURPOSE: To offer a Ti alloy having high toughness and high strength by controlling the strength of the inner mother part to the requirement as a structural material and forming the surface part of a β-phase containing different amt. of...
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JPH04116151A |
PURPOSE: To obtain Ti (alloy) having a wear resistant layer excellent in durability and adhesion by subjecting Ti (alloy) in which Al is attached to the surface to heating under prescribed conditions and forming an intermetallic compound...
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JPH04103753A |
PURPOSE: To apply wear resistance treatment excellent in durability and adhesive strength to a titanium alloy by allowing copper to adhere to a titanium alloy, exerting heating in vacuum at specific temp., and forming an intermetallic co...
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JPH0475803A |
PURPOSE: To increase the strength of a cutting edge and to improve tipping resistance and wear resistance by covering a base substance, where a beta- removing layer is formed on the surface of specified cemented carbide. with TiC as an i...
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JPH0472091A |
PURPOSE:To stably produce a surface-treated steel sheet for a two-piece can having superior corrosion resistance after coating at a low cost by successively subjecting a cold rolled steel sheet to lower Cr plating, upper Ni plating, anne...
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JPH0462820A |
PURPOSE: To achieve an improved etching property, a large electrostatic capacity, improved electrical characteristics, and an improved strength by forming a specific composition for allowing an aluminum foil for electrode of an electroly...
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JPH0448066A |
PURPOSE: To form a copper film excellent in adhesive strength in a short time independently of the kind of a substrate by forming an oxide film on the surface of a clean substrate, forming copper-containing oxide layer onto this surface,...
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JPH048504B2 |
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JPH0432551A |
PURPOSE: To improve ductility, toughness, and salt resistance under an alkaline environment by coating a steel material with an Fe-base Al solid solution layer in which the amount of solid-solution Al is specified. CONSTITUTION: After ho...
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JPH045749B2 |
An improved method of chromizing the surface of a ferritic boiler component. An aqueous coating composition is applied to the surface to be chromized, which includes at least 10% by weight of chromium, at least 12% by weight alumina, a b...
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JPH0426753A |
PURPOSE: To easily produce a steel material excellent in salt resistance in concrete by coating the steel material with a mixed layer of Ni-Ti intermetallic compound and metallic Ti. CONSTITUTION: A fine metal powder consisting of Ni pow...
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JPH0426751A |
PURPOSE: To produce a stainless steel having high hardness and high corrosion resistance by applying Cr pack cementation to the surface of an austenitic stainless steel and then forming a surface film consisting of two phase of carbide a...
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JPH0421758A |
PURPOSE: To improve the wear resistance of a Ti alloy by applying a liquid mixture composed of fine powder of Co and synthetic resin soln. on the surface of the Ti alloy and subjecting the alloy to high-temp. heating in a vacuum to diffu...
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JPH042788A |
PURPOSE: To improve the corrosion resistance of a plated steel sheet by forming a specified amt. of a Ti-Zn alloy plating layer so that the concn. of Ti in the upper part is made high and gradually reduced toward the lower part. CONSTITU...
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JPH042784A |
PURPOSE: To improve the chemical convertibility and corrosion resistance of a Ti-Zn plated steel sheet by reducing the amt. of Ti in the upper plating layer of the plated steel sheet and increasing the amt. of Ti in the lower plating lay...
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JPH042789A |
PURPOSE: To improve the corrosion resistance and adhesion of a Zn-Ti alloy plated steel sheet after coating and the suitability to phosphating by heating the plated steel sheet and thermally diffusing Fe into the plating layer. CONSTITUT...
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JPH03274255A |
PURPOSE: To conveniently form a thick hardened layer on the surface of a Ti material by applying a hardening agent obtained by mixing the powders of Cr, Mn, Fe, Co and Ni and a resin soln. on the surface of Ti and heating the material to...
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JPH03271355A |
PURPOSE: To obtain a Ti-Al alloy material excellent in oxidation resistance by providing an Al pack cementation layer to the surface of a base material composed of Ti-Al alloy and further forming a pure Al film of specific thickness on t...
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JPH03271358A |
PURPOSE: To easily produce a clad plate of carbon steel and Al having high joining strength at a low cost by laminating a heated and degreased carbon steel sheet on the polished and surface-roughned joining surface of Al and joining the ...
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