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7261141 |
Metal porous body manufacturing method
A process for producing a porous metal body, the process includes melting part of a starting metal material in succession while moving the material by a floating zone melting method under a gas...
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7210516 |
Casting apparatus and method therefor
A casting apparatus including a die that contains a molten metal that is poured via an opening section disposed above the die. The casting apparatus also includes a heater disposed above the die,...
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7201209 |
Method and apparatus for casting aluminum by casting mold
An aluminum casting process using a casting mold in which after the cavity ( 25 ) is filled with an inert gas, magnesium is introduced into the cavity to have a magnesium layer ( 58 a ) deposited...
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7073558 |
Production method for porous metal body
A process for producing a metal body comprises (1) a step of maintaining under reduced pressure a metal material within a temperature range of room temperature to a temperature lower than a melting...
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7025112 |
Pretreatment processing of metal-matrix carbide power for mold casting of products
A metal-matrix material in the form of a carbide powder together with a sodium fluoride flux is deposited as a charge within a crucible for induction heating thereof to a flux melting temperature...
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6953627 |
Method for the production of thin-walled steel components and components produced therefrom
A process for the production of thin walled parts of steel, wherein there are layers that are at least partly differently treatable relating to their strength and hardness qualities. This process...
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6935405 |
Sink compound laminate modeling process
A sink compound laminate molding process having a copper material in thickness of 0.1-0.8 mm placed at the bottom of the molding cavity with the bottom of the copper laminate fully bound to the...
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6848496 |
Casting method and casting apparatus
A casting apparatus for performing a casting while an oxide film formed on a surface of a molten metal is reduced by allowing the molten metal and a reducing compound to be contacted with each...
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6752197 |
Injector particularly for vacuum die-casting apparatus
An injector particularly for a vacuum die-casting apparatus, comprising an injector body provided with at least one first opening for injecting/aspirating a protective gas and at least one second...
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6746225 |
Rapid solidification processing system for producing molds, dies and related tooling
A system for the spray forming manufacturing of near-net-shape molds, dies and related toolings, wherein liquid material such as molten metal, metallic alloys, or polymers are atomized into fine...
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6640877 |
Investment casting with improved melt filling
Molten metallic material is cast into a mold that is made with a barrier to reduce gas permeability through a mold wall that forms on its innermost side a mold surface for contacting the molten...
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6561259 |
Method of melting titanium and other metals and alloys by plasma arc or electron beam
A method for hearthless processing of a solid metallic material consisting essentially of titanium or other metal or alloy thereof which includes providing a solid metal block having a processing...
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6517953 |
Metal matrix composite body having a surface of increased machinability and decreased abrasiveness
Often, metal matrix composites (MMC's) lack adequate machinability and possess excessive abrasiveness because hard ceramic materials, such as silicon carbide, are used as the reinforcement phase....
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6516862 |
Method of fabricating a mold-cast porous metal structure
A method of fabricating a porous metal structure of a molten liquid metal within a casting chamber to form a porous solid structure upon controlled chamber cooling and depressurization. The method...
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6500283 |
Method of improving environmental resistance of investment cast superalloy articles
A method for promoting the environmental resistance of nickel, iron and cobalt-base superalloys of the type alloyed to develop a protective oxide scale. The method entails a technique for removing...
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6478075 |
Die-casting method and die-castings obtained thereby
A die casting method and a casting that is obtained through use of the die casting method. The die casting method can solve problems such as air catching occurring at the time of injection into the...
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6427752 |
Casting systems and methods with auxiliary cooling onto a liquidus portion of a casting
A casting system with auxiliary cooling onto a liquidus portion of the casting can produce a metal casting that comprises a fine-grain, homogeneous microstructure. The microstructure is essentially...
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6399018 |
Powdered material rapid production tooling method and objects produced therefrom
Solid objects are made by means of a novel multi-step forming, debinding, sintering and infiltrating process, using a metal-ceramic composition. In this process, the mixture is held for a period of...
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6308766 |
Process for die-casting light-weight metals
A process for die-casting aluminum and aluminum alloys is such that the molten metal is introduced into a filling chamber and injected from the filling chamber into a mold cavity by a piston. The...
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6296043 |
Spraycast method and article
Spraycasting method involves directing an atomized metal or alloy spray at a collector disposed in a spray chamber and controlling temperature of the spray in flight in the spray chamber and of the...
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6269862 |
Mould lubricant
A method for preparing a mould lubricant for use in direct chill casting of reactive metals, including magnesium, magnesium alloys, aluminum, and aluminum alloys, proceeds through combining a...
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6261390 |
Process for nodulizing silicon in casting aluminum silicon alloys
A method for nodulizing silicon crystals in casting Aluminum-(8-12%)Silicon alloys is described. An initial alloy melt is refined by addition of a master alloy containing elements of titanium,...
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6253828 |
Method and casting device for precision casting
For the production of precision cast objects a gas change method is used. A melting crucible (1) and a casting mold (2) with at least partially porous walls are disposed in a gastight receptacle...
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6228187 |
Apparatus and methods for generating an artificial atmosphere for the heat treating of materials
An apparatus and method for generating artificial atmospheres in a furnace for the heat treating of materials. The furnace includes a substantially isolated chamber having a discharge receiving...
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6192969 |
Casting of high purity oxygen free copper
A method and apparatus are provided for making high purity and preferably oxygen free substantially void free and inclusion free copper castings such as billets from high purity copper. The...
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6167944 |
Ingot mould system
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)...
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6129135 |
Fabrication of metal-matrix compositions
A predetermined quantity of a metal-matrix composite material is injected to a heating crucible along an angular infeed direction toward a location therein at which a vortex is formed by the blade...
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6129134 |
Synthesis of metal matrix composite
Reinforcing particles within a flux are dispersed through a metal matrix osited into a crucible purged of air by infeed of argon gas during heating of the matrix to a melted state for completing...
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6125914 |
Method for making a composite part with magnesium matrix by infiltration casting
A mold having a supply tube in a lower portion and in which has been placed a fibrous preform, is placed in a container. A crucible filled with magnesium blocks is placed under the mold. The...
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6114052 |
Ingot plate made of thermoelectric material, rectangular bar cut from the ingot plate, and process of fabricating the ingot plate
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6070644 |
Investment casting using pressure cap sealable on gas permeable investment mold
A gas permeable ceramic investment mold is disposed in a casting chamber and filled with melt to be solidified via a mold melt inlet, such as for example a mold pour cup adapted to receive the melt...
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5913353 |
Process for casting light metals
A process for casting light metals. The process includes preheating ingots of the light metal in a protective atmosphere before being introduced into a melting furnace wherein the molten metal is...
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5875832 |
Method and apparatus for continuous casting using a rotating cylinder
The apparatus includes a cylinder for holding molten material and a plurality of molds each having a plurality of cavities for receiving molten material. As the cylinder is rotated by a driving...
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5787960 |
Method of making metal matrix composites
A preform of reinforcement material is infiltrated with fusible metal without preceding vacuum treatment of the preform through gas pressure application solely. The infiltrated preform is allowed...
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5787959 |
Gas-assisted molding of thixotropic semi-solid metal alloy
High strength to weight ratio, improved dimensional and surface quality hollow metal moldings are formed by injecting thixotropic, semi-solid metal billets as a "short shot" into a mold cavity;...
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5752562 |
Process for casting molten metal
A bath of molten metal is provided, from which a flow is removed. The flow circulates through an unheated conduit to a selected location remote from the bath, and then back to the bath. A depending...
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5752307 |
Method for applying a hard cutting edge to a replaceable bit for a circular saw
A replaceable bit for a circular saw is provided with a cutting portion of hard metal alloy by machining off the original cutting portion, supporting the remaining base metal portion such that a...
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5722033 |
Fabrication methods for metal matrix composites
A method of extruding a boron carbide-aluminum alloy metal matrix composite includes heating the ingots of the composite to temperatures of about 570° C., holding the ingots at about 570° C. to...
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5669433 |
Method for creating a free-form metal three-dimensional article using a layer-by-layer deposition of a molten metal
A method for the accurate formation of a three-dimensional article comprises providing a supply of substantially uniform size droplets of a desired material wherein each droplet has a positive or...
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5636680 |
Method and device for terminating the casting process after non-gravity casting of moulds, especially green-sand moulds, particularly with easily oxidable metals or metal alloys
After casting a mould (1) through a bottom inlet (2) with liquid metal (4) under pressure through a mouthpiece (5) of a casting device, the inlet (2) is closed by a closing element (8) being...
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5626692 |
Method of making an aluminum-base metal matrix composite
The invention provides an aluminum-base composite material. The aluminum-base material contains a uniform distribution of carbide particles and lubricating phase particles such as carbon or...
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5626179 |
Process for manufacture of castings of reactive metals
In the production of castings from a melt of a reactive metal selected from the group consisting of titanium, titanium alloys, and titanium-based alloys, a reusable casting mold (20) is used; the...
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5553656 |
Method of directionally cooling using a fluid pressure induced thermal gradient
The present invention is a method of cooling. The method comprises the steps of positioning material in a liquid state within a chamber. Then, there is the step of providing pressurized fluid about...
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5540271 |
Low vapor point material casting apparatus and method
The apparatus comprises a vessel having an interior. A mold is disposed within the interior of the vessel. A casting material is contained in the interior of the vessel. The apparatus also...
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5505246 |
Permanent mold or die casting of titanium-aluminum alloys
Method and apparatus are provided for casting titanium-aluminum alloys including generally 10 weight % or more Al in a reusable metallic mold or die in a manner that retards or avoids build-up of a...
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5404929 |
Casting of high oxygen-affinity metals and their alloys
A process for casting high oxygen affinity metals or metal alloys such as titanium through use of an induction furnace while preventing the pick up of contaminating gas by the metals or metal...
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5372177 |
Method and apparatus for removing wax from casting mold
A method and an apparatus are provided which allows the safe and inexpensive extinguishing and cooling of flaming wax emanating from an investment casting flash fire dewaxing furnace. Investment...
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5371937 |
Method for producing a composite material
A method of making a composite material in which a porous preform is produced by spray casting. An appropriate metal or alloy is caused to infiltrate the interconnected pores. This may be...
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5348071 |
Top fill casting
The apparatus for casting comprises a pressure vessel and a device for pressurizing the vessel. The pressurizing device is in fluidic connection with the vessel. The apparatus is also comprised of...
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5335711 |
Process and apparatus for metal casting
Cast components having reduced porosity levels are produced by pouring a molten metal into a mould which is in a first chamber, and withdrawing the filled mould into a second chamber. The second...
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