| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 164550100 | Incorporating addition or chemically reactive agent to metal casting material | 24 |
| 20100032122 | Cladding ingot to prevent hot-tearing - A method of casting an ingot of a metal having a susceptibility to hot-tearing while avoiding such hot tearing. The method involves co-casting a cladding metal on a surface of a metal core ingot as the ingot is being cast in a DC casting procedure. The cladding layer preferably contacts the core ingot at a position on the ingot surface where the metal of the ingot is incompletely solid, e.g. at a temperature between its solidus temperature and liquidus temperatures. The metal of the core ingot and the metal of the cladding layer are the same and, if they contain grain refiners, the are present in an amount of 0.005% by weight of the metal or less. | 02-11-2010 |
| 20100230066 | DEVICE AND METHOD FOR LOW-PRESSURE CASTING OF METAL MELTS - A device and a method for the low-pressure casting of metal melts, comprising a casting furnace ( | 09-16-2010 |
| 20110056645 | METHOD OF MANUFACTURING MASSIVE MIXTURE OF ALUMINUM NITRIDE AND ALUMINUM - A method of manufacturing a massive mixture of aluminum nitride and aluminum includes a first heat treatment process of manufacturing the massive mixture of aluminum nitride and aluminum by heating aluminum powder ( | 03-10-2011 |
| 20110284179 | METHODS OF FORMING AT LEAST A PORTION OF EARTH-BORING TOOLS - Methods of forming at least a portion of an earth-boring tool include providing particulate matter comprising a hard material in a mold cavity, melting a metal and the hard material to form a molten composition comprising a eutectic or near-eutectic composition of the metal and the hard material, casting the molten composition to form the at least a portion of an earth-boring tool within the mold cavity, and adjusting a stoichiometry of at least one hard material phase of the at least a portion of the earth-boring tool. Methods of forming a roller cone of an earth-boring rotary drill bit comprise forming a molten composition, casting the molten composition within a mold cavity, solidifying the molten composition to form the roller cone, and converting an eta-phase region within the roller cone to at least one of WC and W | 11-24-2011 |
| 20120097355 | APPARATUS AND METHOD FOR FEEDING INOCULANTS INTO A FLOW OF MOLTEN METAL AND AUTOMATIC MOLTEN METAL POURING MACHINE - Disclosed are an inoculant feeding method and apparatus, wherein a desired amount of inoculants can be fed into a molten metal poured into a mold by an automatic molten metal pouring machine, and an automatic molten metal pouring machine using the apparatus. An inoculant feeding apparatus ( | 04-26-2012 |
| 20120298322 | POUR LADLE FOR MOLTEN METAL - A casting apparatus and a method of forming a casting using the casting apparatus is disclosed, the casting apparatus comprising a ladle having a hollow interior adapted to receive a molten material therein; a nozzle in fluid communication with the hollow interior, the nozzle having a first portion disposed outside of the ladle and a second portion disposed within the hollow interio; an additive feeder in fluid communication with the hollow interior of the ladle; and a gas conduit in fluid communication with the hollow interior of the ladle. | 11-29-2012 |
| 20140053999 | MULTI-COMPONENT COMPOSITION METAL INJECTION MOLDING - A method of metal injection molding on a plastics injection molding machine having a heated barrel with an increasing temperature gradient is disclosed. The method comprises the steps of providing a metal alloy feedstock including a first metal alloy with a first melting point and a second metal alloy with a second melting point that is higher than the first melting point, the first metal alloy and the second metal alloy providing a gradient in composition of solids to liquids paralleling the temperature gradient of the heated barrel, feeding the first metal alloy and the second metal alloy into the plastics injection molding machine, heating the first metal alloy and the second metal alloy within the plastics injection molding machine to about 500-700° F./260-372° C.; and forming an equilibrium of about 5% to about 30% solids to liquids between the first metal alloy and second metal alloy within the heated barrel. | 02-27-2014 |
| 20150306662 | SPREADING DEVICE FOR BULK MATERIAL ON A CIRCULAR SURFACE AND METHOD FOR OPERATING THE SAME - A spreading device ( | 10-29-2015 |
| 20150314367 | METHOD OF PRODUCING SILICON-CONTAINING ALUMINUM ALLOY INGOT - Provided is a method of producing a silicon-containing aluminum ingot capable of preventing filter clogging that requires suspension of casting, suppressing aluminum loss, and reducing a content rate of phosphorus as an impurity in the obtained silicon-containing aluminum alloy ingot. The production method of the present invention includes a water-rinsing step for subjecting a silicon mass containing phosphorus as an impurity to a water-rinsing treatment, a molten metal formation step for obtaining molten metal by introducing, into a melting furnace, an alloy material including at least the silicon mass obtained through the water-rinsing step and an aluminum material and and melting the alloy material, and a casting step for obtaining a silicon-containing aluminum alloy ingot by casting the obtained molten metal. | 11-05-2015 |
| 20160083812 | PHYSICAL PROPERTY IMPROVEMENT OF IRON CASTINGS USING CARBON NANOMATERIALS - A method is provided for fabricating iron castings for metallic components. The method for fabricating the iron castings may include forming a molten solution by melting carbon and iron and combining carbon nanomaterials with the molten solution. A first portion of the carbon nanomaterials combined with the molten solution may be dispersed therein. The method may also include cooling the molten solution to solidify at least a portion of the carbon thereof to fabricate the iron castings. The first portion of the carbon nanomaterials may be dispersed in the iron castings. | 03-24-2016 |
| 164560100 | To scavenge | 3 |
| 20100294452 | Method of Producing Ductile Iron - The present invention relates to a process for the production of ductile iron comprising the sequential steps of:—(i) treating liquid iron with an initialiser comprising an effective amount of a group Ha metal other than Mg, (ii) at a predetermined time after step (i), treating the liquid iron with a magnesium containing nodulariser, (iii) treating the liquid iron with a eutectic graphite nucleation-inducing inoculant, and (iv) casting the iron. The invention allows for the variability of oxygen content in the base iron to be processed such that the mechanical properties of components cast from the processed iron are independent of the original oxygen content of the base iron. | 11-25-2010 |
| 20100307709 | REFINEMENT OF STEEL - A cast low carbon steel formed by a method of forming and refining molten silicon-bearing steel by addition of a calcium-containing silicon additive. Determine when the amount of calcium in the calcium-containing silicon additive is more or less than the amount of calcium desired in the finished steel. When it is more than the amount of calcium desired in the finished steel, add the amount of calcium-containing silicon additive corresponding to the excess calcium early during steel deoxidation or in refining to combine with oxygen, sulfur and other impurities in refining, and add the calcium-containing silicon additive containing the total amount of calcium desired in the finished steel after the desulfurization of the molten steel and before casting. When the amount of calcium in the calcium-containing silicon additive does not provide the total amount of calcium desired in the finished steel, add an additional amount of calcium after desulfurization of the molten steel and before casting to the molten steel during refining. | 12-09-2010 |
| 20130056167 | METHOD FOR CONTROLLING EXTREMELY LOW TI IN EXTRA LOW CARBON ALSI-KILLED STEEL - The present invention provides a method for controlling extremely low Ti in extra low carbon AlSi-killed steel, the weight percentage of the chemical composition of the extra low carbon AlSi-killed steel comprising: C≦0.005%, Si: 0.1-3.4%, Mn: 0.1-0.5%, P≦0.2%, S≦0.002%, Al: 0-1.2%, N≦0.005%, Ti≦0.0015 and a balance substantially being Fe and inevitable impurities; the liquid steel having said chemical composition is obtained by hot metal preprocessing, smelting, retained RH smelting and ingoting, wherein the top ladle slag is modified, and calcium-aluminum based modifier of 0.6-1.7 kg/t steel are added, so as to ensure a controlling demand that when refined RH decarburization is over, the content of T.Fe in top ladle slag composition ≧5%, the content of Al | 03-07-2013 |
| 164570100 | Adding metal-containing material | 11 |
| 20090145568 | Process of Manufacturing Power Tool Component - A method of making a wear and fatigue resistant component of a power tool (e.g., a clutch) includes providing a quantity of base steel and a quantity of alloying elements to be added to the base steel to form a desired alloyed grade of steel. The base steel and alloying elements are combined and melted to produce a molten alloyed steel (e.g., SAE 9310 or AISI M2). The molten alloyed steel is cast using a near-net-shape investment casting process to form a component of a power tool. An edge of the component is pre-radiused. and the component is case hardened after the edge of the component has been pre-radiused. In one implementation, the component is a clutch that has a lifespan of at least twice a lifespan of a second clutch that has not been pre-radiused prior to case hardening. | 06-11-2009 |
| 20090183848 | Process for Production of Compacted Graphite Iron - A process for production of compacted graphite iron using in-mould addition of a magnesium alloy is disclosed. The process is characterised by a step of pre-treating the base iron in a ladle or in a furnace with an alloy containing cerium and performing a structure forming treatment in a reaction chamber in the mould using an alloy containing magnesium and lanthanum. | 07-23-2009 |
| 20100319872 | MANUFACTURING METHOD FOR COMPOSITE ALLOY BONDING WIRE - A manufacturing method for a composite alloy bonding wire is provided. A primary material of Au and Ag is melted in a vacuum melting furnace, and then a secondary metal material of Pd is added into the vacuum melting furnace and is co-melted with the primary material to obtain a Au-Ag-Pd alloy solution. The obtained Au-Ag-Pd alloy solution is drawn to obtain a Au-Ag-Pd alloy wire. The Au-Ag-Pd alloy wire is then drawn to obtain a Au-Ag-Pd alloy bonding wire with a predetermined diameter. | 12-23-2010 |
| 20110030911 | LOW-CARBON STEEL SLAB PRODUCING METHOD - A low-carbon steel slab producing method includes: adding Ti to a molten steel decarbonized to have a carbon concentration of 0.05 mass % or less, and subsequently adding at least one of La and Ce to adjust a constitution, and producing a smelted molten steel; and pouring the smelted molten steel into a casting mold via a tundish; wherein at least one of La and Ce in a total amount of 0.2 to 1.2 times an increased amount of oxygen in the smelted molten steel during contained in the tundish is added to the smelted molten steel in the tundish, so as to obtain a steel slab having inclusions which contain oxides of Ti and at least one of La and Ce as chief components, and so as to make a composition of each of the inclusions have a mass ratio of 0.1 to 0.7, in terms of (La | 02-10-2011 |
| 20110094699 | CAST SLAB OF NON-ORIENTED ELECTRICAL STEEL AND MANUFACTURING METHOD THEREOF - There is produced a molten steel containing, in mass %, Si: not less than 0.1% nor more than 7.0%, Mn: 0.1% or more, Al: not less than 0.2% nor more than 5.0%, Cr: not less than 0.1% nor more than 10%, and the like, and a balance composed of Fe and inevitable impurities. To the molten steel, REM: not less than 0.0005% nor more than 0.03% is added. The molten steel to which REM has been added is casted. A cast slab of non-oriented electrical steel is manufactured as above. | 04-28-2011 |
| 20120090803 | PROCESS FOR PRODUCTON OF COMPACTED GRAPHITE IRON - A process for production of compacted graphite iron using in-mould addition of a magnesium alloy is disclosed. The process is characterised by a step of pre-treating the base iron in a ladle or in a furnace with an alloy containing cerium and performing a structure forming treatment in a reaction chamber in the mould using an alloy containing magnesium and lanthanum. | 04-19-2012 |
| 20130112362 | METHOD FOR MANUFACTURING DESULFURIZING AGENT - The present invention relates to a desulfurizing agent of improved oxidation resistance, ignition resistance and productivity, and a method for manufacturing the desulfurizing agent. The desulfurizing agent may include a plurality of magnesium-aluminum alloy grains with grain boundaries, and a compound of one selected from consisting of magnesium and aluminum and one selected from consisting of alkaline metal and alkaline earth metal, the compound exists in the grain boundaries and is not inside but outside of the magnesium-aluminum alloy grains. | 05-09-2013 |
| 20140374049 | Systems and Methods for Producing a Hardwearing Alloy Material - Described herein are systems and methods for producing a hardwearing or wear-resistant material. In one aspect, a first group of materials comprising zirconium dioxide (ZrO | 12-25-2014 |
| 20150041095 | ALUMINUM-ZIRCONIUM-TITANIUM-CARBON GRAIN REFINER FOR MAGNESIUM AND MAGNESIUM ALLOYS AND METHOD FOR PRODUCING THE SAME - The present invention pertains to the field of metal alloy, and discloses an aluminum-zirconium-titanium-carbon grain refiner for magnesium and magnesium alloys, having a chemical composition of: 0.01%˜10% Zr, 0.01%˜10% Ti, 0.01%˜0.3% C, and Al in balance, based on weight percentage. Also, the present invention discloses the method for preparing the grain refiner. The grain refiner according to the present invention is an Al—Zr—Ti—C intermediate alloy having great nucleation ability and in turn excellent grain refining performance for magnesium and magnesium alloys, and is industrially applicable in the casting and rolling of magnesium and magnesium alloy profiles, enabling the wide use of magnesium in industries. | 02-12-2015 |
| 20160053347 | METHOD FOR PRODUCING ZINC ALLOY - Provided is a method for producing a zinc alloy capable of obtaining a Zn—Si alloy having a uniform composition. Metal Zn is melted in a crucible ( | 02-25-2016 |
| 164580100 | To produce casting having nonhomogenous composition | 1 |
| 20090314448 | Method for production of metal material - A method for producing a metal material involves applying, to the surface of the ZAS alloy, an agent comprising a solvent and, dispersed therein, a material containing Cu such as Cu powder and a Cu—Mn alloy powder and preferably, dispersed or dissolved therein, a reducing agent capable of reducing an oxide film present on the surface of the ZAS alloy, and heating the ZAS alloy having the agent applied thereon, to thereby diffuse Cu into the alloy. The metal material comprises a Zn—Al—Sn based alloy (ZAS alloy) and Cu diffused in the alloy, wherein Cu is diffused into the inside of the alloy to a depth from the surface of 0.5 mm or more, the concentration of Cu decreases from the surface of the ZAS alloy towards the inside thereof, and there is present no specific interface between Cu and the ZAS alloy. | 12-24-2009 |
