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WO/2009/004090A1 |
The present invention relates to a process for casting cast parts G from a vermicular or spheroidal graphite-forming iron casting melt, in which process the iron casting melt is poured into a casting mould 1, which comprises at least one...
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WO/2009/000143A1 |
An aluminum alloy vacuum pouring device includes a high pressure chamber (3). Several pouring openings(17,18, 14,43) are positioned on the top of the high pressure chamber (3). Cylinders (16, 15) are mounted on one side of a pair of pour...
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WO/2008/133184A1 |
[PROBLEMS] To provide a method of casting that simultaneously attains shortening of cycle time and enhancement of casting product quality. [MEANS FOR SOLVING PROBLEMS] Pressure for raising the surface of molten metal from position P0 to ...
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WO/2008/116327A1 |
The invention relates to a core for die casting molds, in particular salt cores or sand cores, and the use thereof for die casting. The salt cores form a desired die mold or set of die molds in order to slow down the cooling of the cast ...
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WO/2008/116643A1 |
The invention relates, on the one hand, to a mold (4) for the production of a casting (1) by means of casting, wherein the mold (4) is made substantially of fired, ceramic material and has a hollow space with a hollow space contour, whic...
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WO/2008/099673A1 |
Disclosed is a high-rigidity high-damping-capacity cast iron characterized by consisting of C and Si having a carbon equivalent represented by the formula (1) below of 3.30-3.95%, 0.25-1.0% of Mn, not more than 0.04% of P, not more than ...
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WO/2008/088361A2 |
A method and an apparatus are provided for electromagnetic stirring during a continuous casting process, especially for casting a billet and bloom of medium and high carbon steels. The method and apparatus provide a higher surface qualit...
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WO/2008/085077A1 |
The invention relates to prosthetic dentistry for casting crowns, bridges, dental prostheses etc and to the jewelry industry for casting thin and irregular shaped articles. The inventive method consists in melting a metal in a vacuum mod...
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WO/2008/085134A1 |
The present invention relates to magnetically permeable alloys, and articles formed by liquid forging of such alloys. More particularly, the invention relates to a liquid forgeable magnetically permeable Al alloy having at least one allo...
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WO/2008/085136A1 |
The present invention relates to articles formed by liquid forging, particularly to articles having through holes filled with a molten metal. More particularly, it relates to an article having high aspect ratio cavities wherein said cavi...
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WO/2008/079049A2 |
The invention relates to metallurgy, in particular to methods for processing molten alloys of different materials, including metal alloys, with the view to obtaining alloys exhibiting predetermined properties. The inventive method for pr...
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WO/2008/061453A1 |
A casting billet of vacuum fine equiaxed grain structure has an ingot mould, wherein the ingot mould is a water cooled crystallizer which has an inner mould plate, a water cooled jacket and a cooling bottom plate. The inner mould plate i...
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WO/2008/056785A1 |
An alloy which comprises 15 to 25% by mass of copper and at least 60% by mass of manganese and additionally contains at least one of 0 to 7% by mass of nickel, 0 to 5% by mass of iron and 0 to 5% by mass of aluminum with the balance opti...
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WO/2008/050798A1 |
A casting apparatus of simple structure that realizes enhancements of workability and operability. The casting apparatus comprises infrared lamp (1) for emitting of infrared rays; reflecting mirror (2) for focusing the infrared rays from...
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WO/2008/042396A1 |
A process for electromagnetic (EM) energy-induced solid to liquid phase transitions in metals is disclosed. The method utilizes coherent EM fields to transform solid materials such as silicon and aluminum without significant detectable h...
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WO/2008/031745A1 |
The invention proposes a method for producing castings (2) from lightweight metal by the diecasting process, wherein the casting (2) is specifically cooled with a coolant at regions that are sensitive to stress immediately after the die ...
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WO/2008/028455A1 |
In the case of a single-part expendable casting mould for cast metal parts (4) that is made of a set moulding material, which encloses a mould cavity and has embedded in it at least one metallic cooling channel (6), which carries a cooli...
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WO/2008/026728A1 |
A metallic silicon produced by purifying molten crude metallic silicon through unidirectional solidification, which metallic silicon has a purity of 3N to 6N and an average crystal grain diameter of 1 mm or greater. The process for produ...
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WO/2008/024425A2 |
Method and apparatus for flowing molten metal substantially vertically into a mold by means of a feeder tube while concurrently impeding the flow of oxides that collect at the perimeter of the head of the feeder tube. This reduces inclus...
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WO/2008/018967A2 |
Method of making a sputtering target includes the steps of melting a metallic target material, controlling the temperature of the melted target material in a manner that the melted target material has almost no superheat, introducing the...
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WO/2008/010809A1 |
A melt of metal is cooled to below liquidus but well above solidus to form nuclei dispersed through out the melt. A pump is positioned in the melt and is rotated by a shaft and motor arrangement. A bubbler is positioned to receive melt f...
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WO/2007/124344A2 |
Disclosed is an apparatus and method for verifying the treatment of molten metal wherein a sensing device (100) detects in situ response resulting from the treatment of the molten metal The in situ response is compared to a pre-set limit...
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WO/2007/119404A1 |
Disclosed is a Ni-base superalloy having a chemical composition consisting of 3.0-5.0 wt% of Cr, 5.0-10.0 wt% of Co, 0.5-3.0 wt% of Mo, 8.0-10.0 wt% of W, 5.0-8.0 wt% of Ta, not more than 3.0 wt% of Nb, 4.5-6.0 wt% of Al, 0.1-2.0 wt% of ...
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WO/2007/110930A1 |
A process for producing a seamless pipe characterized by including a continuous casting step in which a round billet is cast in which the whole region in a central part having a diameter of at least 60 mm in the cross section is constitu...
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WO/2007/097657A1 |
The invention relates to metallurgical production, more specifically to melt amorphising methods. The amorphous state of a substance is characterised by an ideal atomic-structural and chemical homogeneity thereof. Amorphous alloys are ex...
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WO/2007/095719A1 |
Disclosed is a metallic-molding-material runner system that includes a collection of branches. The collection of branches is configured to substantially equilibrate flow of a metallic-molding material from a molding system into a mold.
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WO/2007/079789A1 |
Disclosed is a method for producing silicon that is suitable for solar purposes. Said method comprises the following steps: silicon is fused; and the melt is frozen in a directed manner, a crystallization front that has the shape of at l...
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WO/2007/065651A1 |
The aim of the invention is to be able to produce directly cast GGV and GGG melts in a single-stage process, simultaneously determine the physical and mechanical parameters such as the strength index and the pipe index by means of a ther...
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WO/2007/063637A1 |
A high-quality polycrystalline bulk semiconductor having a large crystal grain size is produced by the casting method in which growth is regulated so as to proceed in the same plane direction, i.e., the {110} plane or {112} plane. The pr...
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WO/2007/051434A1 |
The method of manufacture of metal castings according to the present invention consists in filling the cavity of the casting mould at an atmospheric pressure within 60 to 180 seconds, subjecting subsequently the casting to an after-press...
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WO/2007/045038A1 |
A steel product with a high austenite grain coarsening temperature having less than 0.4% carbon, less than 0.06% aluminium, less than 0.01% titanium, less than 0.01% niobium, and less than 0.02% vanadium by weight, and having fine oxide ...
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WO/2007/032125A1 |
A feeder head heating device capable of efficiently heating a feeder head. The feeder head heating device (1) has an electrically conductive sleeve (2) and a pair of electrodes (21, 22) attached to one end and the other end, respectively...
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WO/2007/032126A1 |
A feeder head heating device with enhanced durability. The feeder head heating device (1) has an electrically conductive sleeve (2) and a pair of electrodes (21, 22) attached to the sleeve (2). A voltage is applied between the pair of el...
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WO/2007/018241A1 |
An electromagnetic agitator includes a vessel (2) for containing a conductive material in a molten state such as a molten metal (1), an axial direction shift magnetic field generation coil (3) for generating magnetic lines of force (15) ...
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WO/2007/014916A1 |
The invention deals with the field of materials sciences and relates to a process as can be used for example for the production of shaped articles from metallic glasses. The object of the present invention is to provide a process and an ...
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WO/2007/007498A1 |
[PROBLEMS] To provide: a process for producing high-purity hafnium from a hafnium sponge reduced in zirconium content as a raw material, the high-purity hafnium being reduced in the contents of Fe, Cr, and Ni impurities, contents of Ca, ...
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WO/2007/001392A2 |
This invention discloses a method, using pure niobium as a transient liquid reactive braze material, for fabrication of cellular or honeycomb structures, wire space-frames or other sparse builtup structures or discrete articles using Nit...
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WO/2006/129355A1 |
This invention provides a Zn-Al alloy, which is excellent in static deformability, as well as in dynamic deformability, and can be applied to a large structure, and a process useful for producing the Zn-Al alloy. The Zn-Al alloy comprise...
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WO/2006/126371A1 |
A polycrystalline silicon substrate wherein within a region of about 3 mm diameter (&phgr ) including a point at which minority carrier life time (&tgr ) exhibits a minimum value on the substrate surface, subgrains (SG) manifested throug...
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WO/2006/110974A1 |
A method is described for priming an in-line molten metal filtration unit having a porous ceramic or refractory filter mounted substantially horizontally in a filter box. This filter box has an inlet for molten metal and an outlet for mo...
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WO/2006/110567A2 |
An apparatus and process are provided for casting liquid metals into molds in a castingfurnace comprising a controlled environment melt chamber and a mold lock chamber. A mold is supplied to the controlled environment melt chamber for a ...
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WO/2006/104059A1 |
A Co-free Ni base superalloy comprising 1.0 to 10 wt.% Cr, 0.1 to 3.5 wt.% Mo, 7.5 to 10 wt.% W, 4.0 to 8 wt.% Al, ≤12 wt.% at least one of Ta, Nb and Ti, 0 to 2.0 wt.% Hf, 0.1 to 5.0 wt.% Re and the balance of Ni and unavoidable impur...
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WO/2006/098382A1 |
Segregation is prevented in casting, e.g., a magnesium alloy containing additive elements or the like having a large specific-gravity difference to thereby obtain a cast of satisfactory quality. A casting mold (1) containing a metal melt...
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WO/2006/085875A1 |
An apparatus 2 and method for mixing, agitating and transporting a slurry of molten or semi-solid metal or metal-matrix composite material including a casing 1 for containment of the slurry. An electrical conductor means 10 applies to th...
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WO/2006/067991A1 |
A method for producing a ductile cast iron product, wherein the cast iron product contains sulfur in an amount of 0.009 to 0.015 wt % and magnesium in an amount of 0.035 to 0.050 wt %, and wherein a dried sand is used for a mold. The met...
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WO/2006/062482A1 |
A method of producing a liquid-solid metal composition (8), comprising the steps of charging a vessel (2) with a molten metal or alloy (3), charging the vessel (2) with a solid metal or alloy (6), stirring the molten metal or alloy (3) u...
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WO/2006/053838A2 |
Thick-walled parts made by means of a casting method often exhibit, in those thick zones, the worst mechanical properties since the solidification speed in said zones is reduced relative to the thin-walled zone and frequently induces the...
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WO/2006/045589A1 |
The invention relates to a method for serially producing a piston, in which a casting melt is filled into a multipiece casting mold and at least one feeder via a delivery zone. According to the invention, the opening of the end of the fe...
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WO/2006/025881A2 |
A system and method for thermal management of a die is disclosed wherein cooling of the die is controlled by controlling coolant flow to switch between laminar flow and turbulent flow as desired.
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WO/2006/016624A1 |
A copper alloy, which has a chemical composition, in mass %, that Cu: 69 to 88 %, Si: 2 to 5 %, Zr: 0.0005 to 0.04 %, P: 0.01 to 0.25 %, and the balance: Zn, wherein with respect to [a] mass % representing the content of the element a, t...
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