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JPH0578817A |
PURPOSE: To obtain a Ti-Al intermetallic compound material excellent in oxidation resistance by provided the surface of a Ti-Al intermetallic compound having a specified compsn. consisting of Al and Ti with an Mo or W enriched layer havi...
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JPH0578815A |
PURPOSE: To provide the hardened member which consists of titanium or titanium alloy provided with a hardened layer having a sufficient thickness and good wear resistance. CONSTITUTION: This surface hardened member has a base material co...
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JPH0577019A |
PURPOSE: To provide a metallic mold centrifugal casting method for manufacturing a casting tube having excellent corrosion resistance on the outer surface. CONSTITUTION: In the casting method for executing the centrifugal casting to molt...
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JPH0578816A |
PURPOSE: To produce the high-concn. Si-contg. electric iron sheet having high characteristics and good surface characteristics at a good yield by heating the electric iron sheet after removal of a surface oxide to a specific temp. and su...
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JPH0570868A |
PURPOSE: To improve the corrosion resistance and heat conductivity of a fin for a heat exchanger by forming a diffusion layer of zinc on the surface of a copper alloy having a specified content of zirconium. CONSTITUTION: A copper-zircon...
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JPH0565623A |
PURPOSE: To provide a hot-dip galvanized steel sheet excellent in press formability and spot weldability. CONSTITUTION: A surface modified layer where one or more kinds among silicon(Si) oxide grains, aluminum(Al) oxide grains, and titan...
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JPH0565567A |
PURPOSE: To improve the corrosion resistance and thermal conductivity of a fin by forming a fin of a copper allay in which the cementating layer of zinc is formed on the surface and contg. specified amounts of tin and lead. CONSTITUTION:...
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JPH0565622A |
PURPOSE: To provide a surface hardening method of titanium or titanium alloy and a surface hardened member. CONSTITUTION: A coating layer of nickel or nickel alloy is formed on a base material composed of titanium or titanium alloy and m...
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JPH0559471A |
PURPOSE: To obtain a hydrogen storage alloy material which is stable to an atmosphere and is not poisoned by sticking a metal or alloy which is stable to the atmosphere to the surface of an LaNi5 type hydrogen storage alloy and allowing ...
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JPH0515785B2 |
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JPH0515765B2 |
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JPH0514787B2 |
Particles of a layer-forming agent containing at least one element for forming a surface layer of e.g. a carbide on the material to be treated are disposed in a furnace below and/or at the side of the material to be treated. A fluidizing...
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JPH0514786B2 |
A method and a bath agent for forming a carbide or diffusion layer on the surface of an article to be treated by immersing the article in a molten salt bath. The salt bath comprises borax, at least one oxide of a surface layer forming el...
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JPH0543958A |
PURPOSE: To produce titanium aluminide having high oxidation resistance at all times by forming a unique Al2O3 phase and making use of the adhesion mechanism (pigging) of an oxidized film. CONSTITUTION: Ti powder is mixed with Al powder ...
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JPH0544011A |
PURPOSE: To stably form a hard inorg. thin film having excellent wear resistance and high adhesive strength to the substrate. CONSTITUTION: When a thin film 6 of the nitride, oxide or carbide of a metal as an inorg. compd. is formed on t...
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JPH0543984A |
PURPOSE: To provide an oxidation resisting metal foil where an αAl2O3 whisker layer formed on the surface is dense and thick and has superior adhesive strength of γAl2O3 containing catalysts and which has superior oxidation resistance ...
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JPH0510421B2 |
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JPH0526229A |
PURPOSE: To provide a dynamic pressure fluid bearing having high reliability and polygonal scanner using this bearing by preventing corrosion of bearing members having grooves for generating dynamic pressure. CONSTITUTION: In a dynamic p...
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JPH055173A |
PURPOSE: To easily form a thick Cr diffusion layer having satisfactory corrosion resistance on the surface of a material to be treated without remarkably increasing treatment cost. CONSTITUTION: Carbon steel, low-alloy steel or other iro...
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JPH051367A |
PURPOSE: To obtain a copper alloy for electric and electronic equipment excellent in formability, corrosion resistance, heat resistance and contact resistance by applying Ni plating on the surface of a copper alloy, thereafter diffusing ...
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JPH051364A |
PURPOSE: To form a thermally sprayed film free of residual bubbles and excellent in adhesion by forming a film to be electrically heated on a base material capable of being electrically heated such as metal and cermet by thermal spraying...
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JPH05804B2 |
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JPH04371386A |
PURPOSE: To provide the method to prevent softening of a welding heat-affected zone of heat resistant structural steel due to welding and increase safety and reliability of a structure. CONSTITUTION: A diffusion element source is arrange...
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JPH04323359A |
PURPOSE: To obtain a surface-treating fluidized-bed type furnace for forming plural surface-treating beds in the same furnace. CONSTITUTION: This surface-treating fluidized-bed type furnace is provided with a reaction vessel 1, fluidizin...
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JPH04318160A |
PURPOSE: To obtain both a metallic foil excellent in oxidation resistance and having ≤100μm thickness at low cost and a producing method thereof. CONSTITUTION: An oxidation-resistant metallic foil is a rolled metallic foil made of ste...
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JPH0468386B2 |
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JPH0468385B2 |
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JPH04308072A |
PURPOSE: To form a fine aluminide layer at a low cost by diffusion coating with Al powder. CONSTITUTION: An Al diffusion coating agent is composed of 5-15wt.% Al powder, Cr powder in 1-2 weight ratio to the Al powder, 0.1-5wt.% ammonium ...
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JPH04301065A |
PURPOSE: To form a metallic coated layer on a substrate of a metal, ceramics or the like by an equipment easily capable of setting and easily operatable, on the surface of a substrate of a metal, by rotating a brush made of a wire of a m...
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JPH04301066A |
PURPOSE: To offer a die for working. CONSTITUTION: In a die 1 in which a forming blank 3 is formed on a base part 2, the base part 2 is constituted of titanium or a titanium allay, and the inside face of the forming blank 3 to be brought...
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JPH0465899B2 |
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JPH0465901B2 |
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JPH0465900B2 |
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JPH0465898B2 |
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JPH0465902B2 |
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JPH04293765A |
PURPOSE: To provide titanium carbide coated parts having superior corrosion and wear resistances and usable over a long period of time. CONSTITUTION: Ti is allowed to penetrate into the surface layer 6C of iron as the base material of pa...
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JPH04292862A |
PURPOSE: To form high concentration Sn layer on a plate base surface at a low cost, by applying suspension of Sn powder to the surface of the plate base, surface composed of Pb alloy including no Sb, or by dipping the plate base into the...
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JPH0463151B2 |
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JPH0463152B2 |
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JPH04280981A |
PURPOSE: To offer a material excellent in Cl corrosion resistance at a high temp. CONSTITUTION: An Al coating layer with ≥50μm thickness is formed on the surface of an Fe alloy base metal contg. ≥1.0wt.% Al. An Fe-Al alloy layer exc...
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JPH04280955A |
PURPOSE: To offer a method for modifying the surface of a chromizing steel improved in corrosion resistance by forming the surface layer of a chromizing steel into a dense and smooth one and modifying chromium carbide into a stabe single...
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JPH0459389B2 |
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JPH04254575A |
PURPOSE: To obtain a metal member having a high m.p., high surface hardness and an easily rendered desired shape. CONSTITUTION: A metal substrate having a high m.p. such as a tungsten or molybdenum substrate is worked into a prescribed s...
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JPH0453587B2 |
Pyrophorically activated metals are suitable catalysts for electrolyzing water and for other reactions in which nickel or platinum are catalysts. Pyrophoricity can be eliminated without destroying the catalytic effects. Protective coveri...
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JPH04228528A |
PURPOSE: To stably produce a galvannealed steel plate, in which a galvannealed layer is uniformly formed in the width direction, by passing a fusion 2n plating steel plate in a variable frequency induction coil assembly. CONSTITUTION: A ...
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JPH0450383B2 |
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JPH04224608A |
PURPOSE: To offer a method for obtaining magnetic alloy powder contg. rare earth metals excellent in magnetic properties by using a reduction diffusing method. CONSTITUTION: A mixture of metallic Ca powder, rare earth oxide powder and me...
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JPH04221006A |
PURPOSE: To provide a rare-earth metal-Fe-B-based metallic alloy powder high in magnetic orientation. CONSTITUTION: A stress of ≥1kg/cm2 is applied to the mixture consisting of a metallic Ca powder, a rare-earth oxide powder and a meta...
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JPH04221005A |
PURPOSE: To provide a magnetic alloy powder contg. a rare-earth metal and excellent in magnetic characteristic by using reductive diffusion. CONSTITUTION: The mixture of a metallic Ca powder, a rare-earth oxide powder and a metallic raw ...
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JPH04218658A |
PURPOSE: To offer a method for wear resisting treatment by which the titanium or titanium alloy to be treated is provided with good adhesion and excellent durability, it is made hard to be subjected to thermal deformation by heating at t...
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