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JP3571052B2 |
A product and a method for manufacturing the product include a metallic basic body with at least one longitudinal duct disposed therein and with a number of transverse ducts branching off from the longitudinal duct. A covering layer lies...
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JP3567488B2 |
In manufacturing a corrosion-resistant metallic porous member having high Cr content by diffusion process in which the material is heat-treated, a plurality of heat cycles are used to achieve uniform Cr content in the thickness direction...
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JP2004250792A |
To provide a method for strengthening the grain boundaries of an article (1) made from a Ni based superalloy while the article (1) is in the solid state and containing at least one grain boundary.A surface diffusion process is applied to...
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JP3551749B2 |
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JP2004216413A |
To provide a sleeve for die-casting which has both the merits of conventional steel materials and ceramic materials and is excellent in wear resistance, erosion resistance, and toughness.The sleeve for the die-casting is characterized in...
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JP2004176178A |
To provide an aluminum pipe having sufficient pitching corrosion resistance, which can be easily manufactured at a low cost.An inlet pipe 6 and an outlet pipe 7 for a condenser are formed of an alloy containing, by mass, 0.9-1.5% Mn and ...
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JP3538664B2 |
To improve the wettability at the time of bonding in the case an In series material is used by arranging a Cu series material contg. Ti, Cu and a third metal on the surface of a Ti series material, executing heating to a specified temp. ...
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JP3536924B2 |
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JP3523415B2 |
To produce a ferrous alloy member composed of a base material of an Fe-Cr base stainless steel and an Al-Fe diffused layer provided on the base material and having high hardness and wear resistance. This ferrous alloy member is composed ...
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JP3522724B2 |
To provide a technique to prevent a defect that an affected part when a Ni base single crystal alloy or a Ni base unidirectional solidified alloy receives plastic processing strain is recrystallized to deteriorate high temperature streng...
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JP2004115914A |
To provide a coating having heat resistance and corrosion resistance in the atmosphere.The method for coating a nickel alloy in which zinc is diffused, comprises the step of forming a nickel or nickel-alloy layer 14 on a substrate 12, th...
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JP2004107709A |
To enhance the pitching-resistant strength by performing carburizing, carbo-nitriding or nitriding after diffusion coating of alloy elements to improve the a temper-softening resistance and seizure resistance from a surface of a gear usi...
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JP2004100034A |
To provide a copper infiltrated iron powder product of improved mechanical properties, such as elongation percentage and tensile strength.It is a manufacturing method of the copper infiltrated iron powder metal product, and a process con...
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JP2004090086A |
To solve such problems that in the case foreign matter exists on the surface of a chaplet held between a core and a mold, melting point is lowered and fusion with molten metal is increased and also, leakage can be restrained but the fore...
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JP2004083994A |
To provide a raw material for a piston ring, of which only the surface required to be nitrided as a piston ring, can be nitrided without needing cutting or grinding processes, or a step of removing a nitrided layer or a plated part by ch...
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JP2004076157A |
To provide a method for forming an overlay coating on a substrate by cold-spraying MCrAlX alloy particles.A gas-dynamical thermal spraying method of the MCrAlX alloy particles is composed of a step of preparing a supersonic gas flow entr...
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JP3500266B2 |
To obtain a stock having high durability to the corrosion and erosion damage, e.g. of equipment used in a semiconductor manufacturing process, particularly a dry process, by forming an aluminum diffusion layer on the part in the vicinity...
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JP3499888B2 |
PURPOSE: To provide a superalloy article having a nickel based superalloy substrate contg. TCP-phase forming elements such as rhenium, chromium, tantalum and tungsten. CONSTITUTION: In this substrate 24, a carbide precipitate-contg. regi...
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JP3497483B2 |
To prolong the life of corrosion resistance by forming a coating and covering as thick films and to form the coating and covering layers which are excellent in an adhesion property even if the film thickness is increased. Austenitic stai...
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JP3493815B2 |
PURPOSE: To improve operability and to reduce kinds of required raw materials by allowing powdery NH4Cl to contact with pure Cr grains, heating them in an inert gas atmosphere to generate Cr containing gas and allowing the generated gas ...
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JP2004017155A |
To provide a member for aluminum molten metal, which has excellent errosion resistance, and which can be used for the portion to which a shock is applied, and which can easily be machined.A test piece 1 is processed by the surface treatm...
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JP2004018972A |
To provide a safe, easy process for forming a high-temperature corrosion-resistant surface of an incinerator wherein a silicon dioxide coated film can sufficiently exert its effect by preventing decrease in workability of a material to b...
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JP2004501278A |
There is provided a surface alloyed component which comprises a base alloy with a diffusion barrier layer enriched in silicon and chromium being provided adjacent thereto. An enrichment pool layer is created adjacent the diffusion barrie...
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JP3463481B2 |
To produce a surface hardened Fe-Al series alloy having a surface hardened layer excellent in rigidity and toughness, furthermore excellent in wear resistance and moreover having tight adhesion. A surface layer of an Al alloy contg., by ...
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JP3458220B2 |
PURPOSE: To produce an oxidation resistant molybdenum material having stable oxidation resistance even under a service environment where heating is applied up to high temp. in an atmosphere containing oxygen and water vapor and further l...
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JP3454583B2 |
PURPOSE: To provide a cutting tool material excellent in surface hardness without the interface existing by submerging a surface-roughened edge part in an organic metallic solution, and then applying heat treatment to the cutting tool ma...
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JP2003282962A |
To provide a method for manufacturing a thermoelectric material in which a pure β phase having a small composition deviation is formed on a substrate as compared with a sputtering method using an alloy target of Fe and Si or a conventio...
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JP2003269190A |
To provide a repairing method of a turbine engine part.This repairing method of the turbine engine part such as a vane and a blade having air foil comprises to remove an oxide deposit from respective parts of a part indicating damage by ...
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JP3446051B2 |
To prevent the generation of pickup caused by the formation of silica by suppressing the formation of silica in a siliconizing zone. A steel sheet contg. <4wt.% Si is subjected to siliconizing treatment in a nonoxidizing gaseous atmosphe...
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JP3447563B2 |
To lessen distortion due to heat shock while enhancing oxidation resistance and abrasion resistance by providing an Al diffused permeation layer having specified most surface Al concentration and thickness on the surface by calorizing. T...
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JP3446577B2 |
To provide a powder feeding device for laser clad capable of improving the quality of a product by stably feeding the powder for laser clad. This powder feeding device 10 for laser clad provided with a powder hopper 30 to store the powde...
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JP3446152B2 |
PURPOSE: To provide a precious metal accessory having a new type of colored film in purple or black. CONSTITUTION: 1) On a precious metal accessory main body, a colored film comprising a colored film of purple or black comprising gold-al...
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JP3441108B2 |
PURPOSE: To provide the decoration having a relief pattern on a surface and to provide the method to easily form the relief pattern on the surface of the decoration. CONSTITUTION: After forming prescribed pattern part by a Ti coating fil...
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JP2003226954A |
To provide an ultra-sharp cutting tool material in which a hard layer is provided onto the surface of a base material made of steel and which has high corrosion resistance, rigidity, toughness and wear resistance and is capable of high-p...
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JP3431474B2 |
To realize a method by which a protective coating syneigistically having the useful effects of chromium, an active element and addition of a noble metal to β-NiAl phase in common is obtained, the directional sticking technique is not us...
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JP3426987B2 |
To obtain a coating member suitable for a member used in high temp. corrosive environments and severe wear environments caused by splash particles by applying chromium carbide coating on the surface of a base material and thereafter exec...
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JP3423574B2 |
To provide a corrosion resistance treatment method for a fused carbonate fuel cell separator, having the capability of preventing thermal deformation and holding a corrosion resistance function over a long term even in high temperature c...
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JP2003170262A |
To provide a die cast machine member which shows a high anti-weld loss to a molten metal of aluminum or magnesium and also outstanding adhesive properties to a matrix and further, is almost free from a defect in a surface coating layer.A...
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JP3417042B2 |
PURPOSE: To produce electronic parts having fine high electric power resistant Al alloy electrodes which permit RIE without residues and corrosion, have high electric power resistance and do not require a special SMTRIE device. CONSTITUT...
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JP2003147405A |
To provide alloy steel powder for an iron sintering material from which a sintering material having satisfactory specific pressure fatigue properties can economically be obtained.In the alloy steel powder for an iron sintering heat treat...
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JP3408929B2 |
To produce a copper base alloy low in the coefficient of friction in the surface, furthermore having the surface excellent in wear resistance and suitable for connectors, electric automobile charging sockets or the like and to provide a ...
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JP2003129217A |
To provide a wear-resistant surface treatment process that can stand high-temperature fluid generated through combustion at a temperature further higher than that in conventional high alloy coating films.In the wear-resistant surface tre...
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JP3403521B2 |
PURPOSE: To produce a modified composite sprayed coating film having resistance to the peeling and breakage of sprayed coatings film and having excellent heat resistance and impact resistance in a surface coating film formed into a molte...
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JP2003119496A |
To obtain a cleanser composition which has excellent cleansing, foaming and oil-separating properties.This cleanser composition comprising (A) at least one material selected from the group consisting of a polyoxyethylene adduct or polyox...
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JP2003514985A |
In a method of producing on the surface of a component which consists of a titanium alloy or an intermetallic phase on the basis of titanium, a protective layer (according to the formula Ti5,0-xAgx+yAl3,0-yO2), a mixture of Ti powder and...
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JP3395647B2 |
To provide a method for producing a silicon steel sheet using a siliconizing method capable of obtaining desired magnetic properties without complicating a furnace structure and deteriorating the quality. Siliconizing treatment by which ...
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JP2003105447A |
To provide a continuous silicon immersion treatment furnace which can execute efficient silicon immersion treatment in high yield by stably supporting and sending a steel sheet in a furnace.The continuous silicon immersion treatment furn...
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JP3394254B2 |
PCT No. PCT/US93/04507 Sec. 371 Date Jul. 6, 1994 Sec. 102(e) Date Jul. 6, 1994 PCT Filed May 18, 1993 PCT Pub. No. WO93/23247 PCT Pub. Date Nov. 25, 1993A silicon-enriched aluminide coating for a superalloy article has a composite micro...
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JP3390776B2 |
PURPOSE: To obtain a modified surface excellent in hardness, wear resistance or the like by forming an enriched layer of aluminum remaining no brrittle compounds on the surface of a steel and executing nitriding treatment. CONSTITUTION: ...
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JP2003082451A |
To provide a thermal radiation material whose surface temperature can be held to be high, and which has excellent corrosion resistance as well.In a food broiler 1, bars 12 are hung over supporting members 11 on both sides, and basted eel...
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