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WO/2000/070190A1 |
The invention relates to a component (80) which can be subjected to hot steam and which has a metallic base body (81) to which a protective layer (82) is bonded by diffusion. Said protective layer (82) increases the base material's resis...
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WO/2000/065121A1 |
A chemical vapor deposition (CVD) system is provided for processing a substrate (110). The system (100) includes a heater muffle (115), a chamber (120) having an injector assembly (130) for introducing chemical vapor to process the subst...
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WO/2000/058531A1 |
A mask suitable for protecting a portion of a substrate surface against diffusion coating of the substrate with a metal, which mask comprises a ceramic material comprising silica and an inert refractory diluent and a metal or metal alloy...
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WO/2000/050663A1 |
The inner surface of a high temperature nickel chromium alloy product such as ethylene furnace tubes is cleaned with high temperature hydrogen to prepare the surface for the deposition, diffusion and modification of metals. A first layer...
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WO/2000/040520A1 |
A metal oxide ceramic material such as alumina or chromia which has been rendered electrically conductive through its thickness by the incorporation of silver into the material. The metal oxide ceramic material may be in the form of a la...
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WO/2000/034547A2 |
The invention relates to a method for coating hollow bodies in which a powder mixture is prepared that is comprised of a metal dispensing powder, of an inert charging powder, and of an activator powder consisting of a metal halogenide. T...
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WO/2000/028098A1 |
Apparatus (1) and process for treating particulate material or powder (33) of a size capable of being fluidized in a retort (31) mounted for rotation on a pair of end axles (18, 41). Retort (31) is mounted on a tilt frame (5) for tilting...
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WO/2000/003465A1 |
A spark plug and method of making same, wherein the spark plug includes an iridium alloy tip portion which may take the form of a rivet or a sphere. The tip portion is coated with platinum, annealed and then resistance welded to a nickel...
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WO/2000/000665A1 |
Corrosion resistant metal, either platinum or MCrAlY is bonded to a corrosion sensitive metal (11) such as nickel based superalloys by coating the surface with the corrosion resistant metal particles (14) held in a binder (13) and coveri...
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WO/1999/067438A1 |
The invention relates to a method for producing a plating for a metal component, e.g. the tip of a turbine blade, that is applied to the surface of said component. The inventive method involves a simple manufacturing technique and can be...
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WO/1999/063126A1 |
The invention relates to a method for producing an anticorrosive, oxidation-resistant layer that is applied on a component, whereby the method can be technically carried out in an easy and cost-effective manner and comprises the followin...
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WO/1999/062644A1 |
A device for uniformly applying paste, which applies a noble metal paste on the inner surfaces of parts such as electronic parts in a desired configuration. The device is constituted of a mount (10) for mounting thereto parts (2, 8) to b...
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WO/1999/055470A1 |
An improved method of applying a particulate material to a substrate broadly comprises the steps of: removing impurities from a surface of the substrate; forming a coating composition having a bonding material and at least one particulat...
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WO/1999/048158A1 |
The invention relates to a method and arrangement for producing thin metal chalcogenide layers, for example, for use as absorption or buffer layers in solar cells. The aim of the invention is to provide a method and an arrangement for ea...
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WO/1999/046417A1 |
In a silicon steel sheet exhibiting a low iron loss under high frequency wave, a surface layer of the steel sheet has an Si concentration higher than that of the central part thereof. A central part in thickness direction of the steel sh...
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WO/1999/043862A1 |
A corrosion resistant coating, e.g. a zinc coating, is applied to an article, e.g. an Nd-Fe-B magnet, by embedding the article in a mass of particles containing a sublimable corrosion-resistant material or a precursor thereof, and heatin...
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WO/1999/042633A1 |
The invention relates to a method for producing a slip layer which is resistant to corrosion and oxidation comprising the following steps: a) producing a slip material by mixing a binding agent solution with a starting powder containing ...
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WO/1999/025889A1 |
A valve seat which is made of an Fe-base sintered alloy and is excellent in wear resistance. The valve seat is made of an Fe-base sintered alloy having a texture constituted of a matrix of an alloy steel consisting of 0.5 to 2 wt.% of C,...
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WO/1999/020383A1 |
The invention concerns a composite powder, consisting of spherical grains of homogeneous composition, each grain comprising at least two chemically reactive solids; and the method for preparing said powder by atomisation and drying. Said...
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WO/1999/020808A1 |
The invention concerns a method for making a composite metal product by adding at least one substance to said product, which consists in using a metal product in the form of a continuous strip (1) moved in a vacuum chamber (2), applying ...
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WO/1999/018251A1 |
The invention relates to iron-chromium-aluminium metal foil which is resistant to high-temperature oxidation. Said metal foil is produced by hot-dip aluminizing an iron-chromium support band with an aluminium-silicon alloy. The foil has ...
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WO/1999/015716A1 |
A method of controlling the final coating thickness of a diffused alumnide coating on a metal substrate. The method includes: (a) depositing an alumina-doped platinum-silicon powder onto a metal substrate, (b) heating the coated substrat...
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WO/1999/006183A1 |
A method of manufacturing a porous electrode wire for electric discharge machining, comprising passing a wire rod comprising a first metal containing copper through a plating bath of a second metal having a vaporizing temperature lower t...
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WO/1999/001587A1 |
A method for preparing a protectively coated, apertured article to be recoated reduces the likelihood that the apertures will become constricted as a consequence of subsequent recoating. The invention, described in the context of a gas t...
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WO/1999/000336A1 |
A metallic alloy coating for enhancing the durability and corrosion resistance of objects includes cobalt and chromium. The coating preferably includes 20 to 80 weight percent cobalt, the balance chromium and incidental impurities. In on...
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WO/1998/049356A1 |
Valve metal articles such as wire, sheet or powder having a second metal, preferably in a peripheral margin, prepared by coating the valve metal with a salt solution of the metal additive and heat treating in the presence of an oxygen ge...
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WO/1998/042888A1 |
To advantageously solve the problems of the drop of productivity, contamination of an alloy film due to the use of a different kind of metals, cost increase by the use of a different kind of a coating process, etc., a film of an MCrAlX a...
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WO/1998/041346A1 |
A powder mixture suitable for use in providing a corrosion resistant coating on metal surface by thermal diffusion coating process. The powder mixture comprises a base metal powder and 0.1-5 mas.% of an additive consisting of at least on...
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WO/1998/038349A1 |
Antibacterial hardwares other than silver products having antibacterial properties equivalent to those of the silver products can be produced efficiently and economically by dispersing silver atoms at a concentration of 0.5 to 10,000 ppm...
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WO/1998/027245A1 |
The invention relates to a method among others for manufacturing parts with a reinforced working surface that consists in spraying a metallic base with a ceramic material according to a gaseous thermal deposition method. This method furt...
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WO/1998/024943A1 |
The invention relates to an article of manufacture comprising: a substrate composed of a superalloy containing chromium and a base element selected from the group consisting of iron, cobalt, and nickel; and an enrichment layer containg c...
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WO/1998/020182A1 |
A method of forming an aluminum-silicon diffusion coating on a surface of an alloy product utilizes a pack mixture containing by weight 1 % to 5 % aluminum, 0.5 % to 5 % silicon, 0.25 % to 3 % ammonium halide activator and the balance an...
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WO/1998/018978A1 |
A method for diffusion coating workpieces of ferrous base metals such as carbon steel and cast iron includes the step of weighing and mixing the following components, in powdered form: Chromium 40-50 wt.%, Ferrochromium 25-37 wt.%, Tanta...
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WO/1998/011269A1 |
A method of diffusion coating a surface of an alloy product containing at least 5 wt.% iron with a chromium-silicon coating uses a dual activator containing a fluoride salt and a chloride salt, at least one of those salts particularly be...
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WO/1998/007894A1 |
A piston shoe (10) of an axial piston pump or motor is crimped to an annular piston head (42) and has a flat shoe wear surface (12) that contacts a cam plate (22). A back flange (14) of the shoe (10) also wears against an auxiliary cam p...
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WO/1998/007806A1 |
The inner surface of ethylene furnace tubes is diffusion coated with a sufficient amount of chromium or chromium and silicon to form a first coating having a thickness of at least two mils. This coating is then cleaned, neutralized, and ...
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WO/1997/041275A1 |
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 said diffusion barri...
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WO/1997/032054A1 |
The invention concerns a device and method for preparing and/or coating the surfaces of hollow construction elements which have at least two openings linking their outside and inside surfaces. First, at least two reactant-gas mixtures (I...
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WO/1997/018176A1 |
A number of porous substrates (10) are arranged alternately in contact with layers (12) forming metal-based composition sources. Each layer includes a major phase consisting of the metal-based composition and a minor phase capable of for...
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WO/1997/017479A1 |
A method of hardening surfaces of a titanium-base material, wherein titanium-aluminum alloy powder or aluminum oxide powder is brought into contact with the surface of a titanium-base material and aluminum is diffused into the surface of...
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WO/1997/007255A1 |
A method of protecting carbon and low-alloy steels from high temperature hydrogen attack. A carbon or low-alloy steel portion of a reactor system that is to be contacted with high pressure hydrogen at elevated temperatures is provided wi...
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WO/1997/007256A1 |
A method of heat treating a sintered body having an exposed surface which has the steps of: providing a sintered body comprised of a hard carbide and a binder, the binder being present in the sintered body at a first binder level and the...
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WO/1997/005299A1 |
A product (2) has a metallic base body (4) with at least one inner longitudinal channel (6) and a plurality of transverse channels (8) that branch out from the longitudinal channel (6). A coating layer (10) lies on the outside of the bas...
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WO/1996/036749A1 |
The process comprises the coating and heat diffusion of an Sn-based alloy on a Cu-based core so as to obtain a composite material comprised of a Cu-based core, an external surface formed of a Sn-based alloy and an intermediary layer comp...
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WO/1996/034122A1 |
A substrate material to be coated with either a nitride, carbide, or oxide contains a small percent of a specific reactive element, like titanium, which forms very stable nitrides, carbides, or oxides. The material also contains larger p...
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WO/1996/033293A1 |
The present invention relates to a process for modifying a surface of polymer, metal and ceramic which comprises irradiating ion particles with energy, from a predetermined distance (irradiation distance), on said surface, while blowing ...
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WO/1996/017969A2 |
The invention relates to a method and equipment for growing a thin film onto a substrate, in which method a substrate placed in a reaction space (1) is subjected to alternately repeated surface reactions of at least two vapor-phase react...
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WO/1996/013622A1 |
A method of improving the oxidation resistance of a platinum modified aluminide coating formed on a nickel base superalloy substrate, comprises providing a platinum layer on the substrate, heating the substrate in a coating retort to a t...
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WO/1996/005332A2 |
The invention concerns a surface coated material. The interface between the substrate and the coating is not sharp. It is diffused; the coating contains the elements of the substrate and the substrate contains the elements of the coating...
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WO/1995/030779A1 |
Higher oxidation resistance and high-temperature life result when from 0.01 to 0.30 weight percent of an additive selected from the group consisting of zirconium, yttrium, and mixtures thereof is present in a nickel-base superalloy subst...
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