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WO/2001/062418A1 |
Casting systems and methods form a hollows metal casting, in which the hollows metal casting comprises a fine-grain, homogeneous microstructure. The microstructure is essentially oxide- and sulfide-free, segregation defect free, and esse...
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WO/2001/062992A1 |
Nucleated casting systems and methods comprise form castings under reduced pressure. The casting system forms a casting comprising a liquidus portion that receives the refined liquid metal and a solidified portion, the casting further co...
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WO/2001/062417A1 |
A casting system comprises an off-center incoming source (300) of refined liquid metal that is provided to a casting (145) being formed by the casting system. The casting comprising a liquidus portion (148) that receives the refined liqu...
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WO/2001/062419A1 |
A casting system and method for producing a metal casting is provided. The metal casting can comprise a fine-grain, homogeneous microstructure that is essentially oxide- and sulfide-free, segregation defect free, and essentially free of ...
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WO/2001/061060A1 |
The invention relates to a method for producing hollow moulded bodies (48) from metal - especially from steels and Ni and Co base alloys according to an electroslag melting or casting method - using a short, electroconductive, water-cool...
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WO/2001/059168A1 |
The present invention is directed to an iron, aluminum, chromium, carbon alloy and a method of producing the same, wherein the alloy has good room temperature ductility, excellent high temperature oxidation resistance and ductility. The ...
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WO/2001/058622A1 |
The invention relates to a method for producing essentially segregation-free and especially freckle-free casting moulds from metal, especially high-alloy steels as well as Ni and Co base alloys having great dimensions, according to an el...
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WO/2001/057283A1 |
A casting system (3) with auxiliary cooling onto a liquidus portion (148) of the casting (145) comprises an electroslag refining system (1) as a source of liquid metal; a nucleated casting system (2); and at least one cooling system (500...
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WO/2000/075386A1 |
The invention relates to a method and to a device required for carrying out said method for the continuous production of electroslag-casted or remelted billets or ingots from metal, especially from steels and Ni and Co base alloys in a w...
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WO/2000/071759A2 |
In one aspect, the invention encompasses a method of forming a steel. A metallic glass is formed and at least a portion of the glass is converted to a crystalline steel material having a nanocrystalline scale grain size. In another aspec...
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WO/2000/056482A1 |
A method and apparatus are provided for making high purity and preferably oxygen free substantially void free and inclusion free copper castings, useful to make sputtering targets. The method comprises melting high purity copper in a cov...
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WO/2000/051761A1 |
A system for producing cast components from molten metal. One form of the present system includes a system for the precision pouring of molten metal (108) within a casting mold (80). The precision pouring system is driven by a pressure d...
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WO/2000/050177A1 |
A process for producing a metallic tool, mould, die or other body of significant thickness or a coating, the process comprising directing a spray (3, 4) comprising molten metallic droplets carried by a propelling gas toward an object sur...
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WO/2000/045980A1 |
Metal casting apparatus (10) comprises a tungsten inert gas (TIG) hand torch (12), a graphite crucible (14) and a graphite mould (16). Energised by a high frequency alternating current by supply (30), the torch (12) produces a pulsating ...
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WO/2000/007757A1 |
A composite material is rapidly melted by furnishing a pre-wetted composite material in the form of granules (20), placing the granules into an induction heater (34), and powering the induction heater to melt the metal matrix portion of ...
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WO/1999/005330A1 |
The invention concerns metallothermal process and continuous drawing of a metal product consisting of at least one metal, comprising: a step for melting the metal in a first cold crucible (1) heated by induction where the reduction of sa...
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WO/1998/056523A1 |
A process and an apparatus for producing metallic glass which are capable of producing a bulk amorphous alloy of desired shape, in particular, a bulk amorphous alloy of desired final shape are provided. In the present invention, the molt...
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WO/1998/045071A1 |
The invention relates to a gas exchange method used for producing precision casting objects. A melting pot (1) and a casting mold (2) with at least partially porous walls are placed in a gas-tight container (5). The casting mold (2) with...
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WO/1997/049837A1 |
A method and apparatus for the electroslag refining of metal, the method includes providing a refining vessel to contain an electroslag refining layer floating on a layer of molten refined metal. The refining vessel representing an upper...
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WO/1997/047415A1 |
Spray atomization of molten metal (30) and/or intermetallic matrix composites reinforced with ceramic particles (46) is practiced by atomizing the matrix into micron sized droplets and depositing the semisolid droplets in a bulk depositi...
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WO/1997/039455A1 |
A process for making a cladding for a nuclear fuel rod is disclosed which includes the following steps. First, at least two layers of zirconium-based metals are spray-deposited on a generally cylindrical substrate in a manner that provid...
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WO/1997/035678A2 |
A method of manufacturing hollow objects of complex shapes with elaborated internal cavities and channels in order to reduce the weight and/or for highly effective cooling systems, for example gas turbine blades, powerful laser optic sys...
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WO/1997/021510A1 |
An apparatus (10) for casting metal ingots comprises a series of ingot moulds (12) mounted along an endless conveyor (11) which is arranged to be driven around spaced-apart rotatable members (15) and (17). A molten metal supplying device...
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WO/1997/018074A1 |
Large metallic shells (35), suitable for use as molds, are fabricated by plasma or arc spraying using a thermal spray gun (22) to spray molten metal onto a matrix (10) to deposit a shell metal layer (37) with a cavity (35). The completed...
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WO/1997/009459A1 |
A process is disclosed for manufacturing thin-walled pipes made of a heat- and wear-resistant aluminium-based material. A thick-walled pipe is spray-compacted in a hypereutectic AlSi material, optionally overaged by an annealing process ...
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WO/1997/009457A1 |
A process is disclosed for manufacturing thin-walled pipes made of a heat- and wear-resistant aluminium-based material. A billet or tube blank made of a hypereutectic AlSi material is produced, optionally overaged by an annealing process...
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WO/1997/009458A1 |
A process is disclosed for manufacturing thin-walled pipes made of a heat- and wear-resistant aluminium-based material. A billet or tube blank made of a hypereutectic AlSi material is produced, optionally overaged by an annealing process...
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WO/1997/009143A1 |
A method and apparatus for the accurate formation of a free-form three-dimensional article (38) comprises providing a supply of substantially uniform size droplets (36) of a desired material wherein each droplet has a positive or negativ...
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WO/1997/009142A1 |
A method and apparatus for the formation of a three-dimensional article (60) by forming uniform droplets of like charge. The supply (12) of droplets (36) is focused into a narrow stream by passing through an alignment means (30). The dro...
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WO/1997/009141A1 |
A method and apparatus for the accurate formation of a three-dimensional article. A three-dimensional article (38) is formed by suppling droplets (36) of a material with a uniform size and charge. The supply of droplets is focused into a...
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WO/1997/003775A1 |
A method of producing a silicon based alloy is described which comprises melting a silicon alloy containing greater than 50 wt.% silicon and preferably including aluminium. The melted alloy is then inert gas atomized to produce powder or...
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WO/1996/036744A1 |
The invention relates to a process for producing metallic composite materials in which a material with different properties is applied to at least one side of a parent bar. According to the invention, the parent bar is taken through a me...
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WO/1996/029443A1 |
The invention concerns a method of coating a base with a plasma-sprayed layer with a spray powder contained in the molten state in the plasma. In the proposed process, the powder is introduced via powder feed ducts in the vicinity of the...
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WO/1996/027464A1 |
The invention concerns a process and a device for the continuous production of sheet metal strips, in particular of steel. A mother strip (1) with a metallically pure surface is drawn through a metal melt bath (14) and the resulting coat...
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WO/1996/008210A1 |
The invention concerns an arc melting and casting device (10) having a housing which comprises a melting chamber (14) and a casting chamber (16). The melting chamber (14) is disposed above the casting chamber (16) and is connected theret...
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WO/1995/027088A1 |
Disclosed is a practical aluminum-based alloy containing 1 to 99 weight percent beryllium and improved methods for the investment casting of net shape aluminum-beryllium alloy parts. The figure presents a current aluminum-beryllium phase...
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WO/1995/027089A1 |
Disclosed is a practical aluminum based alloy containing 1 to 99 weight percent beryllium, and improved methods of semi-solid processing of aluminum alloys containing beryllium. The present methods avoid molten beryllium, agitation of mo...
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WO/1995/019859A1 |
Metallic articles (21) having heat transfer channels are produced by solidification of molten metallic material (3, 4, 6) about preformed channel defining means (5) such that a solidified metallic deposit having heat transfer channels is...
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WO/1995/009709A1 |
A method of freeze-manufacturing articles involves continual freezing of a fused material on a mandrel (2) as the contact zone of said fused material is moved. The mandrel (2) is introduced into a heat chamber (5) in which pressure is re...
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WO/1994/028821A1 |
The invention refers to the field of equipment for dental use and specifically regards vacuum caster (1) comprising a static chamber (5) into which metal crucibles (15) having differing diameters can be inserted. The caster (1) further c...
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WO/1994/029050A2 |
The invention relates to a process and devices for casting components in metal alloys on the tilt casting principle in which a quantity of melt metered for casting is spread over a large gate cross section without turbulence from a melt ...
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WO/1994/029048A1 |
The invention relates to a process for making a semi-finished product in the form of thin metal bars and a device for implementing the process. In order to be sure of maintaining a required maximum sheet-metal gauge tolerance of 2 % it i...
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WO/1994/026942A1 |
A method of making an engineering ferrous metal product comprising performing an electroslag remelting operation on a consumable electrode element comprising engineering ferrous metal and in which an ingredient, additional to said consum...
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WO/1994/018352A1 |
A molten metal gas-atomizing spray-depositing apparatus has an atomizer which employs a pressurized gas flow for atomizing a stream of molten metal into a spray pattern of metal particles being initially hotter than the solidus temperatu...
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WO/1994/014560A1 |
Method for hardfacing of parts of the edges of a chainsaw guide bar, where the chain is guided by a groove, where a wear-resistant alloy is applied in a molten state to parts of the edges (12, 13) of a guide bar blank and solidified in n...
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WO/1994/011541A1 |
A method of making an engineering ferrous metal comprising the steps of adding to liquid engineering ferrous metal solid alloy carbide particles and thereafter permitting the ferrous metal to solidify. The alloy carbide particles are coa...
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WO/1994/004298A1 |
A high differential pressure casting method for metals of low specific gravity having an excellent non-oxidized casting surface. A high differential ultrafine casting method for metals of low specific gravity, consisting of the steps of ...
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WO/1994/004299A1 |
A method of non-oxidation casting an active metal oxide, capable of preventing the deterioration and hardening, which occur due to the oxidation of a casting, of the outer surface thereof. A method of non-oxidation casting an active meta...
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WO/1993/023187A1 |
A stream (6) of superheated molten metal is deposited from a container (9), in a consolidated form by means of a pouring nozzle or separated into drops by a gaseous medium, at a casting point (5) on the inner surface of a wound strip or ...
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WO/1993/004804A1 |
The invention relates to a method of forming a metal article from a volume of molten metal which comprises inserting at least an inlet tube (11) of a hollow body (10) of refractory material comprising said inlet tube and a communicating ...
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