Patent application number | Description | Published |
20100254848 | MAGNESIUM ALLOY PLATE - The invention offers a magnesium alloy sheet having excellent warm plastic formability, a production method thereof, and a formed body produced by performing warm plastic forming on this sheet. The magnesium alloy sheet is produced by giving a predetermined strain to a rolled sheet RS that is not subjected to a heat treatment aiming at recrystallization. The sheet is not subjected to the foregoing heat treatment even after the giving of a strain. The strain is given through the process described below. A rolled sheet RS is heated in a heating furnace | 10-07-2010 |
20110003139 | MAGNESIUM ALLOY SHEET MATERIAL - The invention offers a magnesium alloy sheet material having excellent plastic processibility and rigidity and a magnesium alloy formed body having excellent rigidity. The sheet material has magnesium alloy that forms the matrix containing hard particles. The region from the surface of the sheet material to a position away from the surface by 40% of the thickness of the sheet material is defined as the surface region, and the remaining region as the center region. Hard particles existing in the center region have a maximum diameter of more than 20 μm and less than 50 μm, and hard particles existing in the surface region have a maximum diameter of 20 μm or less. Because the hard particles existing at the surface side are fine particles, they are less likely to become the starting point of cracking or another defect at the time of plastic processing. Because the hard particles existing in the center region are coarse, they can increase the rigidity of the sheet material. | 01-06-2011 |
20110097573 | MAGNESIUM ALLOY STRUCTURAL MEMBER - The invention offers a magnesium alloy structural member having a high metallic texture. The magnesium alloy structural member is provided with a base material made of magnesium alloy and a covering layer formed on the base material. The base material is provided, in at least one part of its surface, with a surface-processed portion that is subjected to a fine asperity-forming processing so as to obtain a metallic texture. The covering layer is transparent. The structural member can effectively increase the metallic texture by having the surface-processed portion. Because the structural member is provided with the covering layer, it has excellent corrosion resistance. Because the covering layer is transparent, the metallic texture in the surface-processed portion is readily sensed. The asperity-forming processing is performed through hairline finish, diamond cut finish, and the like. | 04-28-2011 |
20110162426 | MAGNESIUM ALLOY SHEET - The invention offers a magnesium alloy sheet having excellent warm plastic formability, a production method thereof, and a formed body produced by performing warm plastic forming on this sheet. The magnesium alloy sheet is produced by giving a predetermined strain to a rolled sheet RS that is not subjected to a heat treatment aiming at recrystallization. The sheet is not subjected to the foregoing heat treatment even after the giving of a strain. The strain is given through the process described below. A rolled sheet RS is heated in a heating furnace | 07-07-2011 |
20110268986 | MAGNESIUM ALLOY MEMBER AND METHOD FOR PRODUCING SAME - The method of producing a magnesium alloy joined part has the following steps: a joining step of joining a reinforcing material made of metal to a plate material made of magnesium alloy without allowing an organic material to remain at the joined portion and a plastic-working step of performing plastic working on the plate material to which the reinforcing material is joined. A desirable means of joining the reinforcing material to the plate material can be to use an inorganic adhesive. Because the magnesium alloy joined part is formed by a structure in which the reinforcing material is joined to the plate material, in comparison with the case where the reinforcing material is formed by machining or the like, the magnesium alloy structural member can be obtained with high production efficiency. | 11-03-2011 |
20120111484 | MAGNESIUM ALLOY JOINED PART AND PRODUCTION METHOD THEREOF - The method of producing a magnesium alloy joined part has the following steps: a joining step of joining a reinforcing material made of metal to a plate material made of magnesium alloy without allowing an organic material to remain at the joined portion and a plastic-working step of performing plastic working on the plate material to which the reinforcing material is joined. A desirable means of joining the reinforcing material to the plate material can be to use an inorganic adhesive. Because the magnesium alloy joined part is formed by a structure in which the reinforcing material is joined to the plate material, in comparison with the case where the reinforcing material is formed by machining or the like, the magnesium alloy structural member can be obtained with high production efficiency. | 05-10-2012 |
20120128997 | COIL MATERIAL AND METHOD FOR MANUFACTURING THE SAME - A coil material capable of contributing to an improvement of the productivity of a high-strength magnesium alloy sheet and a method for manufacturing the coil material are provided. Regarding the method for manufacturing a coil material through coiling of a sheet material formed from a metal into the shape of a cylinder, so as to produce the coil material, the sheet material is a cast material of a magnesium alloy discharged from a continuous casting machine and the thickness t (mm) thereof is 7 mm or less. The sheet material | 05-24-2012 |
20120301668 | COMPOSITE STRUCTURAL MEMBER - There is provided a composite structural member having high rigidity even at a small thickness, the composite structural member being easily attachable to a target object. A composite structural member | 11-29-2012 |
20130104619 | PRESS WORKING METHOD | 05-02-2013 |
20140308157 | MAGNESIUM ALLOY MATERIAL - A magnesium alloy material having high corrosion resistance is provided. The magnesium alloy material contains a magnesium alloy containing 7.3% to 16% by mass Al, wherein a region having an Al content of 0.8x % by mass or more and 1.2x % by mass or less occupies 50% by area or more, a region having an Al content of 1.4x % by mass or more occupies 17.5% by area or less, wherein x % by mass denotes the Al content of the entire magnesium alloy material, and there is substantially no region having an Al content of 4.2% by mass or less. The magnesium alloy material has small variations in Al concentration and includes a few regions having a very low Al content, thereby effectively preventing and retarding local corrosion. Thus, the magnesium alloy material has higher corrosion resistance than die-cast components having the same Al content. | 10-16-2014 |
Patent application number | Description | Published |
20080311423 | Producing Method for Magnesium Alloy Material - The invention is to provide a magnesium alloy material such as a magnesium alloy cast material or a magnesium alloy rolled material, excellent in mechanical characteristics and surface precision, a producing method capable of stably producing such material, a magnesium alloy formed article utilizing the rolled material, and a producing method therefor. | 12-18-2008 |
20090000759 | CASTING NOZZLE - A casting nozzle for supplying a molten alloy liquid of aluminum alloy or magnesium alloy to a movable mold for continuous casting from a tundish, in which the molten alloy liquid is stored. The casting nozzle is fixed to the tundish. The casting nozzle tip arranged on the movable mold side is made of a highly heat-conductive material having a heat conductivity of 0.2 W/mK or more, and a highly elastic material having an elastic modulus of 5000 MPa or more, etc. By making the tip of the casting nozzle with a material having superior thermal conductivity, the irregularity in solidification of the molten alloy liquid is decreased and thereby the surface quality of a cast alloy is improved. The nozzle tip is formed with a material having high elasticity and superior elastic deformability, whereby the interstice between the movable mold and the tip of outer peripheral edge of the nozzle is narrowed, and accordingly a cast alloy having superior surface quality can be obtained. | 01-01-2009 |
20090020567 | Casting Nozzle - A casting nozzle suited to manufacture a casting material of pure magnesium or magnesium alloy is provided. A nozzle | 01-22-2009 |
20110012500 | SPARK PLUG FOR INTERNAL COMBUSTION ENGINE - A spark plug comprising: a cylindrical metal shell; a cylindrical insulator provided in an inner hole of said metal shell; a center electrode provided in a leading end side inner hole of said insulator; and a ground electrode having one end bonded to a leading end side of said metal shell and having another end face forming a spark discharge gap with said center electrode, wherein said ground electrode comprises an electrode material containing from 0.5 to 1.5 wt. % of Si, from 0.5 to 1.5 wt. % of Al, from 0.02 to 1.0 wt. % of at least one of Ti, V, Zr, Nb and Hf, from 0.03 to 0.09 wt. % of C and 95.5 wt. % or more of Ni, and having a specific resistance at 20° C. of 25 tincm or less. | 01-20-2011 |
20110033332 | PRODUCING METHOD FOR MAGNESIUM ALLOY MATERIAL - A magnesium alloy material such as a magnesium alloy cast material or a magnesium alloy rolled material, excellent in mechanical characteristics and surface precision, a producing method capable of stably producing such material, a magnesium alloy formed article utilizing the rolled material, and a producing method therefor. The magnesium material includes a melting step of melting a magnesium alloy in a melting furnace to obtain a molten metal, a transfer step of transferring the molten metal from the melting furnace to a molten metal reservoir, and a casting step of supplying a movable mold with the molten metal from the molten metal reservoir, through a pouring gate, and solidifying the molten metal to continuously produce a cast material. Parts are formed by a low-oxygen material having an oxygen content of 20 mass % or less. The cast material is given a thickness of from 0.1 to 10 mm. | 02-10-2011 |
20110165431 | PRESSED PRODUCT - The invention offers a pressed product (F) produced by press-forming a metal plate ( | 07-07-2011 |
20110203706 | FORMED PRODUCT OF MAGNESIUM ALLOY AND MAGNESIUM ALLOY SHEET - A formed product of a magnesium alloy having excellent impact resistance and a magnesium alloy sheet suitable as a material for the formed product are provided. The formed product is produced by press-forming a magnesium alloy sheet having an Al content of 7% by mass to 12% by mass and has a flat portion that is not subjected to drawing deformation. In a metal texture in a cross section of the flat portion in the thickness direction, the number of coarse intermetallic compound (Mg | 08-25-2011 |
20110217514 | MAGNESIUM ALLOY MEMBER AND METHOD OF MANUFACTURING THE SAME - There is provided a magnesium alloy member having mechanical properties and corrosion resistance and a method of manufacturing the magnesium alloy member. | 09-08-2011 |
20110229733 | MAGNESIUM ALLOY JOINED PART - A plurality of magnesium alloy parts are joined to one another through an inorganic joining layer (an reinforcing material | 09-22-2011 |
20110318603 | MAGNESIUM ALLOY MEMBER - A magnesium alloy structural member includes a base material composed of a magnesium alloy having an aluminum content of 4.5% by mass to 11% by mass, in which the base material has a pair of first and second surfaces, the first surface and the second surface being opposite each other, in which when a distance between the first surface and the second surface is defined as a thickness and when surface area regions are defined as regions extending from the first and second surfaces to positions 20 μm from the respective first and second surfaces in the thickness direction, in at least both the surface area regions, 10 or more fine precipitates are present in any 20 μm×20 μm subregion of each of the surface area regions, each of the fine precipitates containing both Mg and Al and having a greatest dimension of 0.5 μm to 3 μm. Because at least each of the surface area regions is composed of a microscopic texture in which fine precipitates are dispersed, the magnesium alloy structural member has excellent corrosion resistance without anticorrosion treatment and can be used for housings and so forth. | 12-29-2011 |
20130089457 | COMPOSITE MATERIAL, PART FOR CONTINUOUS CASTING, CONTINUOUS CASTING NOZZLE, CONTINUOUS CASTING METHOD, CAST MATERIAL, AND MAGNESIUM ALLOY CAST COIL MATERIAL - Provided is a composite material suitable for forming a part for continuous casting capable of producing cast materials of excellent surface quality for a long period of time and with which a molten metal is inhibited from flowing into a gap between a nozzle and a moving mold. | 04-11-2013 |
20150017057 | MAGNESIUM ALLOY SHEET - The invention offers a magnesium alloy sheet having excellent warm plastic formability, a production method thereof, and a formed body produced by performing warm plastic forming on this sheet. The magnesium alloy sheet is produced by giving a predetermined strain to a rolled sheet RS that is not subjected to a heat treatment aiming at recrystallization. The sheet is not subjected to the foregoing heat treatment even after the giving of a strain. The strain is given through the process described below. A rolled sheet RS is heated in a heating furnace | 01-15-2015 |