Entries |
Document | Title | Date |
20080240976 | EXTRUSION PRODUCT MADE OF ALUMINUM/ALUMINUM ALLOY MATRIX COMPOSITE AND A PROCESS OF FORMING THE EXTRUSION PRODUCT - A process of an extrusion product made of matrix composite aluminum alloys has multiple steps. First, provide at least two different aluminum alloys. Select one of the aluminum alloys to be a core. Select the rest of the aluminum alloys to be at least one hollow covering and mounted around the core to form a billet. Heat the billet to become deformable. Then extrudes the billet to become the extrusion product with matrix composite aluminum alloys. Hence, the core and the covering can be securely bonded to each other. | 10-02-2008 |
20090004044 | METHOD AND APPARATUS FOR MANUFACTURING ALUMINUM ALLOY STRIP FOR LITHOGRAPHIC PRINTING PLATES - Disclosed is a method of manufacturing, by a continuous casting process, aluminum alloy strip for use in the production of supports for lithographic printing plates, comprising the step of passing an aluminum melt successively through a filtering means, a launder connected to the filtering means, a liquid level controlling means connected to the launder, and a melt feed nozzle connected to the liquid level controlling means, wherein the aluminum melt is obtained by melting an aluminum starting material, then adding to and melting in the molten aluminum starting material a titanium and boron-containing aluminum alloy, and the time t in seconds required for the aluminum melt to pass through the launder satisfies the following condition (1): | 01-01-2009 |
20090180919 | Aluminum composite composition and method - One aspect of the invention is a method for Incorporating Carbon homogeneously into aluminum materials. The first step is to apply a positive charge to molten aluminum. Next, a negative charge is applied to an organic compound. Under an inert atmosphere, the negatively charged organic compound is mixed with the positively charged molten aluminum while running electric current therethrough. An aluminum material with carbon homogeneously dispersed throughout is recovered. | 07-16-2009 |
20100143185 | Method for producing high strength aluminum alloy powder containing L12 intermetallic dispersoids - A method for producing high strength aluminum alloy powder containing L1 | 06-10-2010 |
20100166596 | METHOD FOR PROCESSING, IN PARTICULAR CASTING, A MATERIAL, CASTING MOULD FOR CARRYING OUT THE METHOD AND ARTICLES PRODUCED BY THE METHOD OR IN THE CASTING MOULD - The invention relates to a method for producing articles in moulds, the moulds themselves and articles produced by the method and/or in the moulds. | 07-01-2010 |
20110200481 | WATER-COLLAPSIBLE Al COMPOSITE MATERIAL, Al FILM AND Al POWDER CONSISTING OF THIS MATERIAL, AND METHODS FOR PREPARATION THEREOF, AS WELL AS COMPONENT MEMBERS FOR CONSTITUTING FILM-FORMING CHAMBERS AND METHOD FOR THE RECOVERY OF FILM-FORMING MATERIALS - In An Al composite material collapsible in the presence of moisture, the external surface of small pieces or powder constructed from a single or a plurality of crystalline grains of Al or an Al alloy is covered with a film of a low melting point metal or alloy selected from the group consisting of In, Sn, combinations of In and Sn, and alloys thereof. The content of the foregoing low melting point metal or alloy ranges from 0.1 to 20% by mass on the basis of the total mass of the composite material. A material obtained by adding a low melting point metal in an amount specified above to, for instance, Al and then fusing and melting the resulting mixture is quenched and solidified within a non-oxidizing atmosphere to thus form an Al composite material. An Al film, an Al spray-coated film and Al powder can be prepared from the foregoing Al composite material. A component member for a film-forming chamber is also provided, which is provided with a water-collapsible Al film on the surface thereof. Film-forming operations are continued over a long period of time using the component member for a film-forming chamber provided with the water-collapsible Al film and then film-forming materials can be recovered from the component member on which the film-forming materials are deposited in a substantial thickness. | 08-18-2011 |
20120014833 | FREE RADICAL INITIATOR COMPOSITIONS CONTAINING T-BUTYL HYDROPEROXIDE AND THEIR USE - A composition comprising (a) an epoxy resin; and (b) a hydroperoxide composition comprising a t-butyl hydroperoxide solution that contains no more than 7 weight percent water, and use of the compositions to prepare foundry shapes, the foundry shapes prepared by the process, the use of the foundry shapes to prepare cast metal articles, and the cast metal articles prepared by the process. | 01-19-2012 |
20120014834 | METHOD AND APPARATUS FOR MANUFACTURING ALUMINUM ALLOY STRIP FOR LITHOGRAPHIC PRINTING PLATES - An apparatus for manufacturing aluminum alloy strip for a lithographic printing plate supports includes a filter, a launder connected to the filter, a liquid level controller connected to the launder, and a melt feed nozzle connected to the liquid level controller. The liquid level controller includes a step to trap settled particles within an aluminum melt which forms the alloy strip. The launder has a length L (m) which satisfies the condition | 01-19-2012 |
20120183436 | METHOD OF PRODUCING ALUMINUM STRUCTURE AND ALUMINUM STRUCTURE - Provided is a method of producing an aluminum structure using a porous resin molded body having a three-dimensional network structure, with which it is possible to form an aluminum structure having a low oxide content in the surface of aluminum (i.e., having an oxide film with a small thickness), and in particular, it is possible to obtain an aluminum porous body that has a large area. The method includes a step of preparing an aluminum-coated resin molded body in which an aluminum layer is formed, directly or with another layer therebetween, on a surface of a resin molded body composed of urethane, and a step of decomposing the resin molded body by bringing the aluminum-coated resin molded body into contact with concentrated nitric acid with a concentration of 62% or more. | 07-19-2012 |
20120195788 | Aluminum Alloy Free from Aluminum Carbide - An aluminum alloy for producing an aluminum strip for lithographic print plate carriers, a method for producing an aluminum alloy for lithographic print plate carriers, in which, during the production of the aluminum alloy, after the electrolysis of the aluminum oxide, the liquid aluminum, up to the casting of the aluminum alloy, is supplied to a plurality of purification steps, as well as an aluminum strip for lithographic print plate carriers and a corresponding use of the aluminum strip for lithographic print plate carriers include a carbide content of less than 10 ppm, and preferably less than 1 ppm. As a result, the aluminum alloy, the method for producing the aluminum alloy, the aluminum strip, and corresponding use of the aluminum strip for lithographic print plate carriers described herein allow for the use of virtually gas-tight coatings. | 08-02-2012 |
20120237395 | MANUFACTURING METHOD OF MAKING ALUMINUM ALLOY SEMI-FINISHED PRODUCT WITH IMPROVED MICROPOROSITY - The invention relates to a manufacturing method for making an unwrought semi-finished product having at mid thickness a density of micropores of size greater than 90 μm less than 50% and preferably less than 20% of the density of micropores of size greater than 90 μm obtained by a method according to prior art. The method according to the invention comprises in particular an ultrasound treatment step for the molten metal bath in a furnace and/or a vessel using an immersed device comprising at least one ultrasound transmitter. The semi-finished products obtained according to the method of the invention are particularly advantageous for manufacturing by rolling sheets designed for the aircraft industry to produce spars, ribs, upper and lower wing skins and for manufacturing by extrusion sections designed for the aircraft industry to produce stiffeners. | 09-20-2012 |
20120301351 | PRETREATMENT PROCESS FOR ALUMINUM AND HIGH ETCH CLEANER USED THEREIN - A high etch cleaner for aluminum and aluminum alloy substrates that leads to enhanced corrosion protective performance of a variety of anti-corrosion pretreatments. The cleaner comprises low levels of silicate of from 0 to 250 ppm, 50 to 500 ppm of at least one chelator, and has a pH of from 11.0 to 13.5. The cleaner may be used to etch from 0.5 to 4.0 grams per meter squared from substrates. Substrates treated with the cleaner and then coated with a variety of anti-corrosion pretreatments and outer coatings show enhanced corrosion resistance compared to substrates cleaned with standard cleaners that have low etch rates, high silicate levels and no chelating agents followed by anti-corrosion pretreatments and outer coatings. | 11-29-2012 |
20120328470 | MASTER ALLOY PRODUCTION FOR GLASSY ALUMINUM-BASED ALLOYS - Apparatus is provided for forming aluminum alloy ingots in a sealed chamber having a source of inert gas using a crucible positioned inside the chamber for melting aluminum alloy powder. The crucible has a solid top and a source of inert gas therein. An outlet in the crucible is positioned to draw molten alloy from the crucible at a point proximate the lowest point in the crucible. A tundish adapted to control the flow of molten alloy from the crucible on a path to at least one ingot mold out of the sealed chamber | 12-27-2012 |
20130121873 | METHOD FOR PRODUCING ALUMINUM STRUCTURE AND ALUMINUM STRUCTURE - An object is to provide a method for producing an aluminum structure using a porous resin body having a three-dimensional network structure, with which an aluminum structure having a low impurity content can be formed, and in particular, a porous aluminum body having a large area can be obtained. | 05-16-2013 |
20130129563 | AEOSOL SYNTHESIS OF FACETED ALUMINUM NANOCRYSTALS - Low temperature gas-phase methods for the preparation of faceted aluminum crystals are disclosed. | 05-23-2013 |
20130156633 | ALUMINUM COMPOSITE AND METHOD OF MAKING SAME - The present invention includes a method of making aluminum composite compositions and to an aluminum composite composition for creating a heat-treatable material that is harder, tougher, and lighter per volume than standard aluminum. | 06-20-2013 |
20130216425 | ALUMINUM ALLOY MATERIAL AND METHOD OF MANUFACTURING ALUMINUM ALLOY BACKBOARD - The present invention discloses an aluminum alloy material, which is made of raw material of aluminum alloy. The raw material of aluminum alloy consists of the following constituents by percentage of weight: graphene: 0.1%˜1%, carbon nano tube: 1%˜5%, the rest being Al. The aluminum alloy material of the present invention has a good performance of heat dissipation, the thermal conductivity is higher than 200 W/m. Meanwhile, the present invention further provides a method of manufacturing aluminum alloy backboard, in which method, the raw material of aluminum alloy is heated and melted in a heating furnace, afterwards, the raw material of aluminum alloy after melting is formed into an aluminum alloy backboard by die-casting, in this way, the utilization rate of material is increased and the manufacturing cost of the backboard is reduced. | 08-22-2013 |
20140037493 | CASTING ALUMINUM ALLOY WITH DISPERSED CNT AND METHOD FOR PRODUCING THE SAME - The present disclosure provides a casting aluminum alloy with dispersed carbon nanotubes (CNT), which is molded by charging an oxide-coated CNT in the range of 1 to 5 vol % into a molten Al—Ti—B-based alloy, and stirring the resulting mixture. The aluminum alloy has enhanced elasticity by forming a TiB | 02-06-2014 |
20140037494 | METHOD OF PREPARING ALUMINUM MATRIX COMPOSITES AND ALUMINUM MATRIX COMPOSITES PREPARED BY USING THE SAME - A method of stably preparing an aluminum composite with excellent mechanical properties while the temperature of molten aluminum is maintained at 950° C. or less, includes mixing aluminum powder, a source material for titanium, a source material for a nonmetallic element that is able to be combined with titanium to form a compound, and an active material to prepare a precursor; adding the precursor to molten aluminum; and casting the molten aluminum. | 02-06-2014 |
20140219860 | Process for Producing Formed Parts - A process for producing formed parts made of an aluminum alloy, including the steps of exposing the aluminum alloy to high shearing forces in a mixing and kneading machine, feeding the liquid aluminum alloy to the working space at one end of the housing and, at the other end of the housing, removing from the working space the liquid aluminum alloy now formed as a partially solid aluminum alloy with a predefined solids content, and processing the partially solid aluminum alloy with the predefined solids content into formed parts, wherein the solids content of the aluminum alloy in the working space is set to the predefined solids content by cooling and heating the working space in a targeted manner. The mixing and kneading machine includes a housing with a working space, a worm shaft including kneading blades and axial passage openings, and kneading projections. | 08-07-2014 |
20140271341 | METHODS FOR CASTING AGAINST GRAVITY - Methods of manufacturing castings are described. The method can include heating a ceramic mold comprising a gate inlet, and melting a metallic composition. The method can also include presenting the ceramic mold to a casting station such that the gate inlet is in fluid communication with the molten metallic composition, and casting against gravity the molten metallic composition into the heated mold through the gate inlet. Furthermore, the method can include rotating the mold to position with the gate inlet in an upward direction while the metallic composition is at least partially molten within the mold, and quenching the molten metallic composition in a liquid quench medium to solidify the molten metallic composition within the mold. | 09-18-2014 |
20140294664 | METHOD FOR CASTING - A system and a method for casting under pressure pivots an upper casting mold half out of a horizontal position into an approximately vertical position, in such a manner that the inside surface of the casting mold half can be treated in work-facilitating and time-saving manner, preferably by a person. | 10-02-2014 |
20140308160 | METHOD FOR PROCESSING, IN PARTICULAR CASTING, A MATERIAL, CASTING MOLD FOR CARRYING OUT THE METHOD AND ARTICLES PRODUCED BY THE METHOD OR IN THE CASTING MOLD - A method for producing articles in a mold includes bringing a material into a free-flowing state, introducing the material into the mold via a bottom-casting principle, and solidifying being carried out according to a top-casting principle. The material, viewed in a flow direction of the material, is first introduced into a pouring basin of a runner, then flows through the runner, thereafter through a storage space that is located upstream from a cavity and that is arranged underneath the cavity, and from there into the cavity. Thereafter the mold including the sub-parts of the mold is pivoted so that the storage space takes over the function of a feeder or riser. | 10-16-2014 |
20150078959 | PROCESS AND APPARATUS FOR MINIMIZING THE POTENTIAL FOR EXPLOSIONS IN THE DIRECT CHILL CASTING OF ALUMINUM LITHIUM ALLOYS - Steam exhaust ports are located around a perimeter of a direct chill casting pit, at various locations from below the top of the pit to the pit bottom to rapidly remove steam from the casting pit with addition of dry excess air. Gas introduction ports are also located around a perimeter of the casting pit and configured to introduce an inert gas into the casting pit interior. | 03-19-2015 |
20150132180 | PROCESS AND APPARATUS FOR DIRECT CHILL CASTING - A process in direct chill casting wherein molten metal is introduced into a casting mold and cooled by impingement of a liquid coolant on solidifying metal in a casting pit including a movable platen and an occurrence of a bleed-out or run-out is detected the process including exhausting generated gas from the casting pit; and introducing an inert gas into the casting pit, the inert gas having a density less than a density of air; reducing any flow of the liquid coolant. | 05-14-2015 |
20150139852 | PROCESS AND APPARATUS FOR DIRECT CHILL CASTING - A system comprising at least one furnace including a melt containing vessel; an intermediate casting product station coupled to the at least one furnace and operable to receive a molten metal from the at least one furnace, the intermediate casting product station including a casting pit, at least one moveable platen disposed in the casting pit, an array of exhaust ports about at least a top periphery of the casting pit, and an array of gas introduction ports about at least the top periphery of the casting pit; and an inert gas source operable to supply an inert gas to the array of gas introduction ports. | 05-21-2015 |
20150292070 | NANOCARBON-REINFORCED ALUMINIUM COMPOSITE MATERIALS AND METHOD FOR MANUFACTURING THE SAME - A nanocarbon-reinforced aluminum composite material and a method of manufacturing the same are provided. The method of manufacturing a nanocarbon-reinforced aluminum composite material is characterized in that composite powder, in which ceramic-coated nanocarbon is surrounded by metal powder, is added to molten aluminum and then casting the molten aluminum with the added composite powder. | 10-15-2015 |
20150336168 | NON-CONTACTING MOLTEN METAL FLOW CONTROL - Systems and methods are disclosed for using magnetic fields (e.g., changing magnetic fields) to control metal flow conditions during casting (e.g., casting of an ingot, billet, or slab). The magnetic fields can be introduced using rotating permanent magnets or electromagnets. The magnetic fields can be used to induce movement of the molten metal in a desired direction, such as in a rotating pattern around the surface of the molten sump. The magnetic fields can be used to induce metal flow conditions in the molten sump to increase homogeneity in the molten sump and resultant ingot. | 11-26-2015 |
20150336170 | MIXING EDUCTOR NOZZLE AND FLOW CONTROL DEVICE - Techniques are disclosed for reducing macrosegregation in cast metals. Techniques include providing an eductor nozzle capable of increasing mixing in the fluid region of an ingot being cast. Techniques also include providing a non-contacting flow control device to mix and/or apply pressure to the molten metal that is being introduced to the mold cavity. The non-contacting flow control device can be permanent magnet or electromagnet based. Techniques additionally can include actively cooling and mixing the molten metal before introducing the molten metal to the mold cavity. | 11-26-2015 |