Class / Patent application number | Description | Number of patent applications / Date published |
420407000 |
Aluminum containing
| 36 |
420405000 |
Lanthanide containing
| 33 |
420403000 |
Silver containing
| 9 |
420411000 |
Zinc containing | 5 |
20090162242 | HEAT RESISTANT MAGNESIUM ALLOY AND PRODUCTION PROCESS THEREOF - Provided are a heat-resistant magnesium alloy which has at the same time both high strength and high ductility even under high temperature environment and is also inexpensive, and a production process of the heat-resistant magnesium alloy. The heat-resistant magnesium alloy includes, in relation to the total amount of the alloy, 1 to 3 at % of Zn, 1 to 3 at % of Y and 0.01 to 0.5 at % of Zr with the balance composed of Mg and inevitable impurities, wherein the composition ratio Zn/Y between Zn and Y falls within a range from 0.6 to 1.3, an a-Mg phase and an intermetallic compound Mg | 06-25-2009 |
20100061882 | MAGNESIUM ALLOY MATERIAL AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a magnesium alloy material which can be produced without the need of employing any specialized production facility or process and has excellent mechanical properties, particularly high elongation. Also disclosed is a process for producing the magnesium alloy material. The magnesium alloy material comprises a Mg—Gd—Zn alloy comprising 1 to 5 mass % of Zn and 5 to 15 mass % of Gd as essential ingredients, with the remainder being Mg and unavoidable impurities, wherein the Mg—Gd—Zn alloy has a long period stacking structure in its alloy structure and also has Mg | 03-11-2010 |
20130142689 | MAGNESIUM ALLOY SHEET MATERIAL - Disclosed is a magnesium alloy material having excellent tensile strength and favorable ductility. Therefore, the magnesium alloy sheet material formed by rolling a magnesium alloy having a long period stacking order phase crystallized at the time of casting includes in a case where a sheet-thickness traverse section of an alloy structure is observed at a substantially right angle to the longitudinal direction by a scanning electron microscope, a structure mainly composed of the long period stacking order phase, in which at least two or more αMg phases having thickness in the observed section of 0.5 μm or less are laminated in a layered manner with the sheet-shape long period stacking order phase. | 06-06-2013 |
20140093417 | MAGNESIUM-ZINC-STRONTIUM ALLOYS FOR MEDICAL IMPLANTS AND DEVICES - A medical implant and/or device, which includes a biodegradable and cytocompatible magnesium-zinc-strontium alloy is disclosed. The implant and/or device can include a biodegradable and cytocompatible magnesium-zinc-strontium (Mg—Zn—Sr) alloy having a weight percent composition of Zn and Sr as follows: 0.01≦Zn≦6 wt %, 0.01≦Sr≦3 wt %. A method for manufacturing an implant in the form of a biodegradable and cytocompatible magnesium-zinc-strontium alloy is disclosed, which includes melting the biodegradable and cytocompatible magnesium-zinc-strontium alloy in an inert environment and molding the biodegradable magnesium-zinc-strontium alloy in a semi-solid state. | 04-03-2014 |
20140271334 | BIODEGRADABLE MG BASED ALLOY AND IMPLANT - A biodegradable Mg-based alloy and implant are provided. The biodegradable Mg-based alloy is represented with a composition equation Mg | 09-18-2014 |
420414000 |
Zirconium containing | 1 |
20150329943 | METHODS FOR REDUCING IMPURITIES IN MAGNESIUM, PURIFIED MAGNESIUM, AND ZIRCONIUM METAL PRODUCTION METHODS - A method for reducing impurities in magnesium comprises: combining a zirconium-containing material with a molten low-impurity magnesium including no more than 1.0 weight percent of total impurities in a vessel to provide a mixture; holding the mixture in a molten state for a period of time sufficient to allow at least a portion of the zirconium-containing material to react with at least a portion of the impurities and form intermetallic compounds; and separating at least a portion of the molten magnesium in the mixture from at least a portion of the intermetallic compounds to provide a purified magnesium, wherein the purified magnesium includes an increased level of zirconium compared to the low-impurity magnesium, wherein the purified magnesium includes greater than 1000 ppm zirconium, and wherein the purified magnesium includes a reduced level of impurities other than zirconium compared to the low-impurity magnesium. A purified magnesium including at least 1000 ppm zirconium and methods for producing zirconium metal using magnesium reductant also are disclosed. | 11-19-2015 |
Entries |
Document | Title | Date |
20080317621 | Process for Producing Mg Alloy - An object of the present invention is to obtain an ingot containing homogeneous ingredients with suppressing ingredient segregation of Y in the melt-production of an Mg alloy containing Y. | 12-25-2008 |
20090123325 | Magnesium Alloys For Hydrogen Storage - A method of producing a hydrogen storage material including the steps of: forming a magnesium-nickel melt having up to 50 wt % nickel; adding up to 2 wt % of a refining element to the melt under a non-oxidising atmosphere, the refining element having an atomic radius within the range of 1-1.65 times the atomic radius of magnesium, such as at least one element selected from the group consisting of Zr, Na, K, Ba, Ca, Sr, La, Y, Yb, Rb and Cs; and solidifying the melt to produce the hydrogen storage material. | 05-14-2009 |
20090136379 | MANUFACTURING METHOD FOR WIDE-RANGE FINE-GRAINED MAGNESIUM ALLOY THIN-SHEET MATERIAL - A manufacturing method for wide-range fine-grained magnesium alloy thin-sheet material is disclosed. The method includes an extrusion process and a rolling process. By the plastic deformation feature of the two processes, the wide-range fine-grained magnesium alloy thin-sheet material that satisfies the requirement of cases of 3C products with thickness of less than 1 mm is produced. Thus the method overcomes shortcomings of a conventional method that produces the material by a plurality passes of processes. Therefore, the manufacturing cost is reduced and the method is able to be applied to various industries. | 05-28-2009 |
20090220373 | CuMg.sub.2-y Li.sub.x ALLOY FOR HYDROGEN STORAGE - The present invention refers to the ability of a metallic alloy to store hydrogen. Particularly, the present invention refers to the ability of an alloy, with hexagonal structure, to store, in reversible way, high amounts of hydrogen at temperatures and pressures that make an industrial applicability feasible. The present invention is applicable, e.g. for hydrogen storage—hydrogen fuel cells—with great applicability in the automobile industry. | 09-03-2009 |
20100068089 | Method for manufacturing composite metal alloy and method for manufacturing article from composite metal - A method for manufacturing a composite metal alloy from a carbon nanomaterial and a metal material is disclosed. The carbon nanomaterial and the metal material are mixed, and a mixture is obtained. Afterwards, the mixture is dissolved. In the dissolving step, the carbon nanomaterial moves through the melt while adhering to the metal material. | 03-18-2010 |
20100209285 | MAGNESIUM ALLOY FOR CASTING AND MAGNESIUM-ALLOY CAST PRODUCT - A magnesium alloy for casting according to the present invention is characterized in that, when the entirety is taken as 100% by mass, it includes copper (Cu) in an amount of from 1% by mass or more to 5% by mass or less, calcium (Ca) in an amount of from 0.1% by mass or more to 5% by mass or less, tin (Sn) in an amount of from 0.1 or more to 3 or less by mass ratio with respect to the Ca (Sn/Ca); and the balance comprising magnesium (Mg) and inevitable impurities. | 08-19-2010 |
20100233017 | PRODUCTION OF MAGNESIUM METAL - A process of producing magnesium metal includes providing magnesium carbonate, and reacting the magnesium carbonate to produce a magnesium-containing compound and carbon dioxide. The magnesium-containing compound is reacted to produce magnesium metal. The carbon dioxide is used as a reactant in a second process. In another embodiment of the process, a magnesium silicate is reacted with a caustic material to produce magnesium hydroxide. The magnesium hydroxide is reacted with a source of carbon dioxide to produce magnesium carbonate. The magnesium carbonate is reacted to produce a magnesium-containing compound and carbon dioxide. The magnesium-containing compound is reacted to produce magnesium metal. The invention also relates to the magnesium metal produced by the processes described herein. | 09-16-2010 |
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 |
20110236249 | MAGNESIUM-BASED ALLOY WITH SUPERIOR FLUIDITY AND HOT-TEARING RESISTANCE AND MANUFACTURING METHOD THEREOF - Provided are a magnesium-based alloy and a manufacturing method thereof. In the method, a magnesium alloy is melted into liquid phase, and an alkaline earth metal oxide is added into a molten magnesium alloy. The alkaline earth metal oxide is exhausted through surface reduction reaction between the melt and the alkaline earth metal oxide. Alkaline earth metal produced by the exhaustion reacts with Mg and/or other alloying elements in the magnesium alloy so that an intermetallic compound is formed. The magnesium prepared by the method is excellent in fluidity and hot-tearing resistance. To this end, the alkaline earth metal oxide added is CaO, and the added amount of CaO is 1.4 to 1.7 times the target weight of Ca to be contained in the final Mg alloy. | 09-29-2011 |
20120195786 | PRODUCTION OF SPHEROIDAL METAL PARTICLES - An apparatus and method for producing spheroidal metal particles having high size and shape uniformity from a melt from a highly reactive metal melt, with the following steps: melting the metal starting material under a hermetic seal; transporting the metal melt in a closed granulating tube from the melting furnace to at least one melt outlet; discharging the metal from the metal outlet via a rotary plate in the form of discrete drops to a melt stream which disintegrates into drops by the time it strikes the rotary plate; conducting a shielding gas flow into the region of the melt exiting from the melt outlet, collecting the melt on the rotary plate in the form of discrete melt drop, solidifying the melt drops into granule particles by contact with the colder surface of the rotary plate, and conducting the granule particles off the rotary plate for packaging/further processing. | 08-02-2012 |
20120288398 | COLD-ROLLING METHOD FOR A WROUGHT MG ALLOY WITH WEAK/NON-BASAL TEXTURE AND A COLD ROLLED SHEET - The present invention relates to a cold-rolling method for cold-rolling a wrought Mg alloy with a weak or non-basal texture as well as a cold-rolled sheet, the method comprising the steps of: pre-treating a billet of the wrought Mg alloy with a weak or non-basal texture, and then cold rolling it; wherein the weak or non-basal texture plane of said billet is selected as a rolling plane, and the rolling direction is parallel to the rolling plane; and said billet is cold rolled at room temperature to a sheet or foil with a thickness of 0.1 to 100 mm, wherein single-pass or multi-pass rolling is used, and the cold rolling is followed by an annealing at 200 to 400° C. for 10 min to 48 h. | 11-15-2012 |
20130017118 | ASYMMETRIC ROLLING DEVICE, ASYMMETRIC ROLLING METHOD AND ROLLED MATERIAL MANUFACTURED USING SAMEAANM Jeong; Hyo-TaeAACI GangneungAACO KRAAGP Jeong; Hyo-Tae Gangneung KRAANM Choe; Byung-HakAACI GangneungAACO KRAAGP Choe; Byung-Hak Gangneung KR - An asymmetric rolling method for rolling a rolling material by using at least one pair of working rolls comprises rolls rotating at the same linear velocity and having different diameters. An asymmetric rolling apparatus may comprise a first roll contacting a first surface of a rolling material, a second roll having a diameter different from that of the first roll and contacting a second surface of the rolling material opposite to the first surface, and a power providing unit for providing power to each of the first and second rolls to adjust a ratio between angular velocities of the first and second rolls. | 01-17-2013 |
20130209309 | MAGNESIUM ALLOY SHEET HAVING IMPROVED FORMABILITY AT ROOM TEMPERATURE, AND METHOD FOR MANUFACTURING SAME - Provided are a magnesium alloy sheet having improved formability at room temperature and a method for manufacturing same. According to one embodiment of the present invention, the method for manufacturing the magnesium alloy sheets having improved formability at room temperature is characterized by comprising a first pretreatment step of applying residual compression stress to the surface the magnesium alloy raw material. | 08-15-2013 |
20140017113 | LARGE STRAIN EXTRUSION MACHINING PROCESSES AND BULK FORMS PRODUCED THEREFROM - Processes by which bulk forms can be produced in a single continuous operation, as opposed to multi-stage deformation processes that involve a series of separate and discrete deformation operations or stages. Such processes generally entail deforming a solid body using a large-strain extrusion machining technique and deformation conditions that obtain a predetermined crystallographic texture in the continuous bulk form that differs from the crystallographic texture of the solid body. | 01-16-2014 |
20140147331 | METHOD FOR PRODUCING HIGH-STRENGTH MAGNESIUM ALLOY MATERIAL AND MAGNESIUM ALLOY ROD - A method for producing a high-strength magnesium alloy material includes (a) a step of preparing a magnesium alloy workpiece having a top face and a side face; and (b) a step of applying a compressive load σp (MPa) from the top face side of the workpiece and performing a uniaxial forging process on the workpiece. Step (b) is performed while suppressing deformation of the workpiece widening outward and under conditions including (i) σp>σf (where σf is the compressive breaking stress (MPa) of the workpiece); (ii) a plastic deformation rate is less than or equal to 10%, and (iii) a strain rate is less than or equal to 0.1/sec. | 05-29-2014 |
20140186207 | ALLOY MATERIAL IN WHICH ARE DISPERSED OXYGEN ATOMS AND A METAL ELEMENT OF OXIDE-PARTICLES, AND PRODUCTION METHOD FOR SAME - According to one embodiment of the present invention, a cast alloy material is provided. The cast alloy material includes a matrix metal and an alloy element, wherein oxide particles in a nanometer scale are decomposed in the matrix metal, so that a new phase including a metal element that is a component of the oxide particles and the alloy element forms a band or network structure, wherein the metal element and the alloy element have a relationship of a negative heat of mixing, and wherein oxygen atoms formed by decomposition of the oxide particles are dispersed in the matrix metal and do not form an oxide with the matrix metal. | 07-03-2014 |
20150292065 | MAGNESIUM MATERIAL AND METHOD OF MANUFACTURING THE SAME - There is provided a Mg—N-A based magnesium material (A is a metal or non-metal element configuring a nitride, N: nitrogen originating from the nitride). The magnesium material includes a spherical Mg—N-A eutectic phase and nitrogen atoms are dispersed in a magnesium matrix, whereby mechanical and ignition properties of the magnesium material are improved, as compared to a magnesium material or pure magnesium material in which the nitrogen atoms are not included and only the metal or non-metal element is included. | 10-15-2015 |
20150298208 | MANUFACTURING DEVICE FOR CAST BAR AND TUBE AND METAL MATERIALS OBTAINED BY THE DEVICE - A manufacturing device for a cast bar and tube includes a molten metal furnace for holding a dissolved casting material, a hollow tube having a penetrating part of molten metal for penetrating molten metal, a depressurization device for reducing the pressure, a connection member for connecting the hollow tube to the depressurization device, and an open/close type valve member installed on the connection member. The penetrating part of molten metal is depressurized by switching the valve member to the closed state to reduce the pressure in the side of the depressurization device from the valve member using the depressurization device and inserting an opening of the hollow tube into the molten metal furnace as well as by switching the valve member to the open state. | 10-22-2015 |