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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/2001/058622A1 |
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/2001/057280A1 |
The present invention relates to a method for grain refining of steel. A grain refining alloy having a composition FeXY where X is one or more elements selected from the group consisting of Cr, Mn, Si, Ni, and Mo and where Y is one or mo...
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WO/2001/045879A1 |
The invention relates to foundry work in particular to the technology of centrifugal casting of blanks for producing rollers used in machines for continuous casting of blanks. The inventive method consists in casting a metal melt of mart...
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WO/2001/044529A1 |
A magnesium-based casting alloy having good salt-spray corrosion resistance and improved creep resistance, tensile yield strength and bolt-load retention, particularly at elevated temperatures of at least 150 °C, is provided. The invent...
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WO/2001/038593A1 |
The invention provides a cast iron alloy comprising 3.0 - 3.8 % carbon, 0.6 - 2.5 % silicon, 0.2 - 0.65 % manganese, 0.01 - 0.1 % tin, <0.025 % sulfur, 0.001 - 0.020 % magnesium, 0.1 - 1.2 % copper, 0.04 - 0.2 % chromium, and balance up ...
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WO/2001/036695A1 |
The invention relates to a metallurgy of light alloys in particular to methods for ultrasonic treatment of melts in a production of shaped castings from hypereutectic silumins of a piston group. The method consists of a degasification an...
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WO/2001/030519A1 |
A Mg alloy precision pressure molding method and a molding device therefor and a Mg alloy molding produced thereby which can eliminate such conventional technique-based defects in Mg alloy die casting that compact thin-walled parts free ...
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WO/2001/028713A2 |
The invention relates to a method according to which a metal (13) is re-shaped by a primary forming process. The aim of the invention is to improve such a method so that heat can be relatively easily added to the part and so that the add...
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WO/2001/026850A1 |
The invention relates to a method for the production of an item with a monocrystalline structure by directed crystallization. According to said method, a form (7) is placed in a heating chamber (2) which is then filled with a fused bath ...
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WO/2001/026843A1 |
A method of casting metal in a mould, the mould comprising a mould cavity and a gas expansion chamber in communication with the mould cavity, the gas expansion chamber containing an exothermic composition comprising a metal and an oxidis...
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WO/2001/027341A1 |
A reheating method involving the induction of thixotropic materials such as non ferrous metals in a pasty state, i.e. at a temperature where said material is in a semi-solid state for casting in a mould. The invention is characterized in...
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WO/2001/026424A1 |
The invention concerns a method for melting and solidifying an electric conductor sample, which consists in: melting the sample by induction using a high frequency alternating magnetic field; superposing on the alternating magnetic field...
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WO/2001/017714A1 |
The invention relates to a device for the pressure supported and/or vacuum supported casting of workpieces comprising a first pressure generating device (22), arranged in a smelting furnace (10) in which smelts are located (26) that gene...
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WO/2001/009403A1 |
The present invention relates to a high-temperature part (1) made of a nickel super-alloy having the following composition in wt %: 11-13 % of Cr; 3-5 % of W; 0.5-2.5 % of Mo; 3-5 % of Al; 3-5 % of Ti; 3-7 % of Ta; 1-5 % of Re; the balan...
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WO/2001/007185A1 |
The present invention relates to a method for the oriented-crystallisation production of a part having a monocrystalline structure, wherein said method involves placing a form (7) in a heating chamber (2), pouring a melt (8) into said fo...
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WO/2001/006023A1 |
A method and system are provided for preventing oxidation of an easily oxidizable, molten metal having a surface exposed to an oxygen-containing atmosphere. The method comprises placing a quantity of a solid metal fluoroborate salt (12) ...
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WO/2001/004367A1 |
A production method for a metal body, comprising (1) a step of keeping under a reduced pressure a metal material within a temperature range of normal temperature to less than a metal melting temperature in a sealed container to thereby d...
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WO/2000/078480A1 |
A multi-wall ceramic core assembly and method of making same wherein a plurality of individual thin wall, arcuate (e.g. airfoil shaped) core elements (C1, C2, C3) are formed in respective master dies to have close tolerance mating locati...
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WO/2000/076695A1 |
Method and apparatus for DS casting using a multi-stage thermal baffle (32, 34) disposed proximate a lower end of a casting furnace (11). The thermal baffle (32, 34) comprises a fixed primary baffle (32) having a primary aperture (32a) d...
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WO/2000/077868A1 |
A method of preparing a foil of an alloy of zinc with at least one additive metal that causes brittleness in zinc is provided, which comprises providing the alloy with a fine, equiaxed, noncolumnar grain microstructure in which secondary...
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WO/2000/066298A1 |
A casting apparatus (100), comprising: a heating chamber (102) having an open lower end defined by a periphery; a chill plate (122) having a peripheral region for supporting one or more casting molds thereon and being movable to move the...
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WO/2000/066297A1 |
A casting apparatus (100) includes a substantially stationary heating chamber (102) having an upper pouring opening (104) and a substantially open lower end; an outer cooling spool (112) disposed at a periphery of the open lower end of t...
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WO/2000/066296A1 |
To obtain a high-quality cast product of a cylinder head, a proper directivity to the cooling process of the molten metal after a pouring process by utilizing the shape of a cylinder head is discussed. In a process where molten metal is ...
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WO/2000/064614A1 |
A cover gas composition for protecting molten magnesium/magnesium alloy includes a fluorine containing inhibiting agent and a carrier gas. Each component of the composition has a Global Warming Potential (GWP) (referenced to the absolute...
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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/2000/048771A1 |
The invention concerns an appliance for moulding parts made of very reactive metal or mixture of metals, comprising, inside a vacuum chamber (15) a cold induction-heated crucible (1) whereof the base comprises a removable sectored plug (...
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WO/2000/045979A2 |
The invention consists of method and apparatus for casting metal articles in a mould set comprising an immovable mould half (7), a movable mould half (20) and pressing punches set (18 and 25) driven by separate hydraulic cylinders. The m...
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WO/2000/045978A1 |
The invention relates to a casting mould for manufacturing of a cooling element for a pyrometallurgical reactor, wherein the casting mould is at least partly cooled and lined with a material that can withstand high temperatures. The inve...
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WO/2000/043559A1 |
The invention concerns a eutectic or hypereutectic aluminium-silicon alloy product for thixotropic forming, comprising (by weight) 10 to 30 % silicon and optionally copper ($m(f) 10%), magnesium ($m(f) 3%), manganese ($m(f) 2%), iron ($m...
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WO/2000/043153A1 |
This surface treating method comprises the steps of greatly reducing the resin thickness of a substrate when a light-metal casting, such as an aluminum wheel casting (26), is to be coated with a dry-plated layer, pressurizing molten meta...
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WO/2000/038859A1 |
The present invention pertains to the field of applied physics and chemistry and may be used for controlling the crystallisation process of various materials from solutions or melts. The purpose of this invention is to increase the unive...
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WO/2000/037698A1 |
The present invention provides a possibility to evaluate cooling curves recorded in near-eutectic cast iron melts. The curves are evaluated by determining the net amount of heat generated in the melt in the centre of the sample to the me...
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WO/2000/037201A1 |
A die casting machine (18) includes a melting unit (24), a horizontal shot sleeve (30) in fluid communication with die cavity (36) for receiving molten titanium from the melting unit (24), and a plunger (40) sealing and moveable engageme...
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WO/2000/032331A1 |
A multi-wall ceramic core assembly and method of making same wherein a plurality of individual thin wall, arcuate (e.g. airfoil shaped) core elements (C1, C2, C3) are formed in respective master dies to have integral interlocking locatin...
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WO/2000/032833A1 |
A production method for bulk metallic glass which has a high ductility at a cold drawing ratio of at least 70%, better mechanical characteristics after cold drawing than as-cast one and high reliability, and which comprises the step of p...
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WO/2000/027567A1 |
A device for casting cast iron including a metal chill mould (100) having outer walls (206, 208, 210) and inner walls (212, 213, 220). The inner walls are in contact with a mould (300). The device further includes pressurising means (400...
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WO/2000/025959A1 |
The present invention contemplates a multi-airfoil vane segment (50) produced as a single crystal casting from a rhenium containing directionally solidified alloy. The single crystal casting containing grain boundary strengtheners.
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WO/2000/008218A1 |
A composite material having less than about 25 volume percent refractory particles in a metal matrix is concentrated to have about 37-45 volume percent refractory particles. The concentrating is preferably accomplished by heating the com...
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WO/2000/003051A1 |
A molten alloy capable of forming an amorphous alloy is subjected to solidification under a pressure of more than 1 atm. to form an alloy having no defect, and also the cooling rate during the solidification is controlled so as to disper...
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WO/2000/002686A1 |
A vehicle wheel mold (20) is vibrated during a casting process. The vibration reduces the solidification time needed to form a wheel casting while improving tensile strength of the wheel. A vibrator (21), operated by compressed air (23),...
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WO/2000/002687A1 |
A method of producing an amorphous alloy sheet not less than 1 mm thick and excellent in flexural strength and impact strength, comprising eliminating casting defects by pressure-solidifying molten alloy under a pressure exceeding one at...
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WO/1999/058272A1 |
A method for investment casting as well as apparatus for investment casting wherein a gas permeable ceramic investment mold (12) is disposed in a casting chamber (10) and filled with melt to be solidified via a mold melt inlet, such as f...
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WO/1999/049093A1 |
A steel material which is manufactured in a non-powder metallurgical way, comprising production of ingots or castings from a melt, consists of an alloy having the following chemical composition in weight-%: Carbon: 2.0-4.3 %, Silicon: 0....
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WO1999030857A9 |
Specialty metals and alloys are melted in a crucible (10) typically holding no more than about 100 lbs. of metal and disposed in a furnace (2) filled with an inert gas and subjected to a vacuum in the range of about 5 % to 32 % of atmosp...
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WO/1999/046072A1 |
A device for pressure or vacuum assisted casting, especially low pressure, counter pressure and/or vacuum casting, of workpieces, comprising a first pressure generating device (22) which regulates a predetermined pressure in a smelting f...
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WO/1999/044773A1 |
The invention relates to a method for casting a molten mass at a relatively low solidification rate, such as, in particular, gravity chill-cast methods, sand casting methods, low pressure casting methods or intermediate forms of these me...
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