Class / Patent application number | Description | Number of patent applications / Date published |
420407000 | Aluminum containing | 36 |
20090246070 | ALLOY WITH HIGH GLASS FORMING ABILITY AND ALLOY-PLATED METAL MATERIAL USING SAME - An alloy with a high glass forming ability characterized by containing a group of elements A with atomic radii of less than 0.145 nm of a total of 20 to 85 atm %, a group of elements B with atomic radii of 0.145 nm to less than 0.17 nm of a total of 10 to 79.7 atm %, and a group of elements C with atomic radii of 0.17 nm or more of a total of 0.3 to 15 atm %; when the elements with the greatest contents in the group of elements A, group of elements B, and group of elements C are respectively designated as the “element a”, “element b”, and “element c”, by the ratio of the content of the element a in the group of elements A (for example, Zn and/or Al), the ratio of the content of the element b in the group of elements B (for example, Mg), and the ratio of the content of the element c in the group of elements C (for example, Ca) all being 70 atm % or more; and by the liquid forming enthalpy between any two elements selected from the element a, element b, and element c being negative. | 10-01-2009 |
20110033333 | Al2Ca-Containing Magnesium-Based Composite Material - The present invention provides a magnesium-based composite material that can achieve excellent performance such as high tensile strength not only at ordinary temperature but also at high temperature. The magnesium-based composite material of the present invention is Al | 02-10-2011 |
20110070120 | MAGNESIUM MOTHER ALLOY, MANUFACTURING METHOD THEREOF, METAL ALLOY USING THE SAME, AND METHOD OF MANUFACTURING METAL ALLOY - Disclosed are a magnesium mother alloy, a manufacturing method thereof, a metal alloy using the same, and a method of manufacturing the metal alloy. In particular, there are provided a magnesium mother alloy with improved oxidation and ignition properties, and a manufacturing method thereof, and also provided a metal alloy with low cost that is suitable for design purposes using the magnesium mother alloy, and a method of manufacturing the metal alloy. The magnesium mother alloy includes a plurality of magnesium grains, and scandium dissolved in the magnesium grains, or a scandium compound crystallized at grain boundaries which are not inside but outside the magnesium grains. Also, the metal alloy suitable for design purposes is manufactured at low cost by adding the magnesium mother alloy containing scandium into a magnesium alloy or an aluminum alloy. | 03-24-2011 |
20110142710 | Ti PARTICLE-DISPERSED MAGNESIUM-BASED COMPOSITE MATERIAL, AND MANUFACTURING METHOD THEREOF - A Ti particle-dispersed magnesium-based composite material is a material having titanium particles uniformly dispersed in a magnesium matrix, and is characterized by having a titanium-aluminum compound layer at an interface between the magnesium alloy matrix and the titanium particles dispersed in the magnesium alloy matrix. | 06-16-2011 |
20110236250 | MAGNESIUM ALLOY FOR ROOM TEMPERATURE AND MANUFACTURING METHOD THEREOF - Provided is a magnesium alloy for room temperature, which is manufactured by adding CaO onto a surface of a molten magnesium alloy and exhausting the CaO through a reduction reaction of the CaO with the molten magnesium alloy. Resultantly, the magnesium alloy with CaO added has more improved room-temperature mechanical properties (tensile strength, yield strength, elongation) than magnesium alloys without using CaO. Furthermore, as the added amount of CaO increases, room-temperature mechanical properties (tensile strength, yield strength, elongation) increase as well. | 09-29-2011 |
20120282131 | MAGNESIUM ALLOY MATERIAL - A magnesium alloy material having excellent impact resistance is provided. The magnesium alloy material is composed of a magnesium alloy that contains more than 7.5% by mass of Al and has a Charpy impact value of 30 J/cm | 11-08-2012 |
20130236351 | ALUMINUM-MAGNESIUM ALLOY AND METHOD OF PRODUCING THE SAME - Provided are an extruded aluminum (Al)-magnesium (Mg) material and a method of producing the same. An Al—Mg master alloy having a first Mg content is provided. An Al—Mg alloy having a second Mg content less than the first Mg content is prepared by adding the Al—Mg master alloy into molten Al and then casting the molten Al. An extruded Al—Mg material is prepared by extruding the Al—Mg alloy. | 09-12-2013 |
20130315778 | ROLLED MAGNESIUM ALLOY MATERIAL, MAGNESIUM ALLOY STRUCTURAL MEMBER, AND METHOD FOR PRODUCING ROLLED MAGNESIUM ALLOY MATERIAL - Provided are a rolled Mg alloy material whose mechanical properties are locally different in a width direction, a Mg alloy structural member produced by plastically working the rolled Mg alloy material, and a method for producing the rolled Mg alloy material. The method for producing a rolled Mg alloy material includes rolling a Mg alloy material with a reduction roll. The reduction roll has three or more regions in the width direction. The temperature is controlled in each of the regions so that a difference between a maximum temperature and a minimum temperature exceeds 10° C. in the width direction of a surface of the reduction roll. The rolled state in the width direction is varied by varying a difference in temperature over the width direction of the reduction roll. As a result, it is possible to produce a rolled Mg alloy material whose mechanical properties are locally different in the width direction. | 11-28-2013 |
20140205489 | NON-HEAT TREATED MAGNESIUM ALLOY SHEET WITH EXCELLENT FORMABILITY AT ROOM TEMPERATURE IN WHICH SEGREATION IS MINIMIZED - Disclosed herein is a non-heat treatable magnesium alloy sheet, including: 1˜3 wt % of aluminum (Al); 0.5˜3 wt % of tin (Sn); and a balance of magnesium, wherein the maximum deviation of average Vickers hardness (Hv) thereof, caused by center segregation and inverse segregation, is 10 Hv or less. | 07-24-2014 |
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 |
20160138147 | METHOD OF MANUFACTURING A METAL MATRIX COMPOSITE COMPONENT BY USE OF A REINFORCEMENT PREFORM - The present invention relates to a method of manufacturing a metal matrix composite component ( | 05-19-2016 |
420408000 | Zinc containing | 22 |
20080279715 | Method For Producing Magnesium Alloy Plate And Magnesium Alloy Plate - The present invention provides a method for producing a magnesium alloy sheet capable of producing a magnesium alloy sheet having excellent plastic workability such as press workability. The method of the present invention includes rolling a magnesium alloy blank with a reduction roll. The rolling includes controlled rolling performed under the following conditions (1) and (2) wherein M (% by mass) is the Al content in a magnesium alloy constituting the blank:
| 11-13-2008 |
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 |
20110076178 | Mg-BASED ALLOY - An Mg-base alloy shows that an Mg-base alloy, which is added Zn and Al to magnesium, has a composition represented by (100-a-b) wt % Mg-a wt % Al-b wt % Zn, and satisfying 0.5≦b/a. The alloy can reduce yield anisotropy, which is a serious problem for the wrought magnesium alloy, while maintaining a high strength property. The alloy is produced by additive elements, such as Zn and Al, which are easily obtained in place of rare earth elements. | 03-31-2011 |
20110091349 | METHOD FOR PRODUCING MAGNESIUM ALLOY PLATE AND MAGNESIUM ALLOY PLATE - The present invention provides a method for producing a magnesium alloy sheet capable of producing a magnesium alloy sheet having excellent plastic workability such as press workability. The method of the present invention includes rolling a magnesium alloy blank with a reduction roll. The rolling includes controlled rolling performed under the following conditions (1) and (2) wherein M (% by mass) is the Al content in a magnesium alloy constituting the blank:
| 04-21-2011 |
20130039805 | MAGNESIUM ALLOY - A magnesium alloy which contains magnesium as a main component and other elements added has a microstructure in which grains surrounded by high angle grain boundaries consist of subgrains and fine particles are dispersed into the subgrains. | 02-14-2013 |
420409000 | Manganese containing | 17 |
20090060776 | CASE MADE OF MAGNESIUM ALLOY - The present invention provides a high-quality magnesium alloy case having a complex shape in which formability is ensured by specifying the composition of the magnesium alloy and setting the amount of internal impurities to an appropriate value or below, and the present invention is a magnesium alloy case comprising a superplastica body formed by the superplastic forming of a magnesium alloy sheet material, which is containing 1.0 to 10.0 mass % of aluminum, 0.5 to 3.0 mass % of zinc, and 0.1 to 0.8 mass % of manganese as a part of added alloy elements and has an oxygen concentration of 300 mass ppm or less, and the case having a structure being inhibited in cavity formation during the superplastic forming, and in accordance with the present invention, it is possible to manufacture and provide a magnesium alloy case having a complex shape through superplastic forming by accurately regulating the composition and impurities content of the magnesium alloy sheet material. The magnesium alloy case in accordance with the present invention can be actively applied, for example, to cases of household electronic products. | 03-05-2009 |
20090068053 | HIGH STRENGTH AND HIGH DUCTILITY MAGNESIUM ALLOY AND ITS PREPARATION METHOD - The present invention relates to a high strength and high ductility magnesium alloy and its preparation method. The magnesium alloy in the present invention contains 3˜9 wt % of aluminum, 3.5˜9 wt % of zinc, 0.15˜1 wt % of manganese, 0.01˜2 wt % of antimony, and balanced magnesium. The alloy may further comprise 0˜2 wt. % of one element selected from the group consisting of mischmetal, calcium, and silicon. The room temperature mechanical properties of the T6 heat-treated typical alloy in the present invention are as following: Ultimate Tensile Strength of more than or equal to 270 Mpa, Yield Tensile Strength of more than or equal to 140 Mpa, Elongation of more than or equal to 6%, Brinell hardness of more than or equal to 70, Impact Energy of more than or equal to 12 J. Some of the alloys in the present invention not only possess superior room temperature mechanical properties, but also have very good high temperature mechanical properties. The main alloying elements are easily obtainable and the preparation cost is low enough to meet the demands of large-scale production. The alloy according to the present invention was applicable for most of the casting processes, such as permanent casting, sand casting, die casting, and squeeze casting. | 03-12-2009 |
20090104070 | MAGNESIUM ALLOY - The invention relates to the development of a corrosion-resistant magnesium secondary alloy. In the field of magnesium metallurgy, no secondary alloys have existed so far such as they exist in the case of other metals such as aluminium, for example. Magnesium alloys are corrosion-resistant if the copper, nickel and iron contents are very low. Recycling of old scrap metal with the aim of again producing structural parts has therefore not been possible up till now since too much copper and nickel are contained in this scrap metal According to the invention, this problem is solved by a new magnesium secondary alloy having been developed which, in spite of higher contents of copper, nickel, iron and silicon, possesses the same corrosion properties as pure magnesium alloys. | 04-23-2009 |
20090196787 | MAGNESIUM ALLOY - An improved, castable, magnesium-based alloy having good creep resistance, good corrosion resistance, with improved tensile strength and elongation; methods for preparing the alloys; methods for preparing articles from the alloys; and articles, machines, and other devices comprising the same. | 08-06-2009 |
20090269237 | HIGH-STRENGTH NON-COMBUSTIBLE MAGNESIUM ALLOY - The high-strength non-combustible magnesium alloy is obtained by adding at least one supplementary additive selected from among carbon (C), molybdenum (Mo), niobium (Nb), silicon (Si), tungsten (W), alumina (Al | 10-29-2009 |
20100047109 | METHOD OF PRODUCING A MAGNESIUM-ALLOY MATERIAL - The invention offers (a) a method of producing a magnesium-alloy material, the method being capable of obtaining a magnesium-alloy material having high strength, (b) a magnesium-alloy material having excellent strength, and (c) a magnesium-alloy wire having high strength. A molten magnesium alloy is supplied to a continuous casting apparatus provided with a movable casting mold to produce a cast material. The cast material is supplied to between at least one pair of rolls to perform an area-reducing operation (a rolling operation). The rolling operation is performed such that pressure is applied to the cast material using the rolls from at least three directions in the cross section of the cast material. A magnesium-alloy material obtained through the above-described production method has a fine crystal structure and is excellent in plastic processibility. | 02-25-2010 |
20100061881 | METHOD FOR PRODUCTION OF MAGNESIUM ALLOY MOLDING-PROCESSED ARTICLE, AND MAGNESIUM ALLOY MOLDING-PROCESSED ARTICLE - Disclosed is a method for producing a magnesium alloy press-formed body at a high degree of forming and at a low cost. Also disclosed is a magnesium alloy press-formed body having an aesthetic surface, which is produced by the method. The method comprises the steps of applying an organic resin capable of imparting formability (e.g. a water-soluble urethane resin, a water-soluble polyester resin, a water-soluble acrylic resin, a water-soluble epoxy resin, or an organic resin produced by modification of any one of these resins), or an organic resin which is prepared by mixing any one of these resins with a silane coupling agent, colloidal silica, a lubricant, a metal alkoxide or the like by coating onto the surface of a magnesium alloy material, press-forming the organic resin-coated magnesium alloy material into a desired shape, and removing the organic resin using a resin removing liquid. | 03-11-2010 |
20110236251 | MAGENSIUM-BASED ALLOY FOR HIGH TEMPERATURE AND MANUFACTURING METHOD THEREOF - Provided is a manufacturing method of a magnesium-based alloy for high temperature. The manufacturing method includes melting a magnesium (Mg) or magnesium alloy into a liquid phase, adding calcium oxide (CaO) 1.4 times the weight of a final calcium (Ca) target composition onto a surface of a melt in which the magnesium or the magnesium alloy is melted, forming a targeted amount of Ca in the magnesium or magnesium alloy through a reduction reaction between the melt and the added CaO. Specifically, the amount of Ca formed is in the range of 0.8 wt % to 2.4 wt %, and a final composition of the Mg alloy includes 6.0-8.0 wt % of aluminum (Al), 0.1-0.3 wt % of manganese (Mn), 0.2-0.3 wt % of strontium (Sr), less than 0.04 wt of zinc (Zn), less than 0.9 wt of tin (Sn), and a balance being Mg. | 09-29-2011 |
20120070331 | MAGNESIUM ALLOY AND METHOD FOR MAKING THE SAME - Magnesium-based alloys having good mechanical properties, such as mechanical strength, ductility, and castability, and methods of making the magnesium alloys are disclosed. The magnesium alloys comprise 8.7 to 11.8 wt % aluminum, 0.63 to 1.93 wt % zinc, 0.1 to 0.5 wt % manganese, 0.5 to 1.5 wt % rare earth elements, and a remainder of said magnesium alloy being composed of magnesium and unavoidable impurities. | 03-22-2012 |
20120156087 | RECYCLED MAGNESIUM ALLOY, PROCESS FOR PRODUCING THE SAME, AND MAGNESIUM ALLOY - This invention aims to provide a recycled magnesium alloy having a good corrosion resistance and a process for producing the same. The process of the present invention comprises an adjusting step of adjusting composition of molten metal of a magnesium alloy so as to comprise, by mass: Al: 5 to 10%, Zn: not less than 1% and not less than three times of Cu content (%), Mn: 0.1 to 1.5% and the remainder: Mg and impurities with or without one or more reforming elements. While the upper limit of the Al content is restricted to a low level, the Zn content is increased in accordance with the Cu content. Therefore, the recycled magnesium alloy produced by this process can effectively suppress corrosion caused by Cu, which is one of corrosion-causing elements. | 06-21-2012 |
20130183193 | NON-FLAMMABLE MAGNESIUM ALLOY WITH EXCELLENT MECHANICAL PROPERTIES, AND PREPARATION METHOD THEREOF - A magnesium alloy that has excellent ignition resistance and is excellent in both strength and ductility. The magnesium alloy includes, by weight, 1.0% or greater but less than 7.0% of Al, 0.05% to 2.0% of Ca, 0.05% to 2.0% of Y, greater than 0% but not greater than 6.0% of Zn, and the balance of Mg, and the other unavoidable impurities. The total content of the Ca and the Y is equal to or greater than 0.1% but less than 2.5% of the total weight of the magnesium alloy. The Mg alloy forms a dense composite oxide layer that acts as a protective film. Thus the Mg alloy has very excellent oxidation resistance and ignition resistance, can be melted, cast and machined in the air or a common inert atmosphere (Ar or N | 07-18-2013 |
20130280121 | MAGNESIUM ALLOY WITH EXCELLENT IGNITION RESISTANCE AND MECHANICAL PROPERTIES, AND METHOD OF MANUFACTURING THE SAME - A magnesium alloy that forms a stable protective film on the surface of molten metal, having excellent ignition resistance restricting natural ignition of a chip thereof as well as having excellent strength and ductility, so that the Mg alloy can be melted and cast in the air or a common inert atmosphere. The magnesium alloy includes, by weight, 7.0% or greater but less than 11% of Al, 0.05% to 2.0% of Ca, 0.05% to 2.0% of Y, greater than 0% but not greater than 6.0% of Zn, and the balance of Mg, and the other unavoidable impurities. The total content of the Ca and the Y is equal to or greater than 0.1% but less than 2.5% of the total weight of the magnesium alloy. | 10-24-2013 |
20140271332 | Method of Manufacturing Cold-rolled Magnesium Alloy Sheet for Improving Formability and Cold-rolled Magnesium Alloy Sheet Having Improved Formability Manufactured thereby - A method of manufacturing a cold-rolled magnesium alloy sheet for improving formability, including, (a) preparing a composite sheet which is composed of a main sheet made of magnesium alloy and a restrainer made of steel and functioning to suppress transverse plastic deformation (plastic deformation in a transverse direction) of the main sheet during a rolling process, (b) performing a cold-rolling of the composite sheet, and (c) separating the cold-rolled magnesium alloy sheet from the cold-rolled composite sheet obtained from (b). The magnesium alloy sheets manufactured by the invention has improved formability at an ambient temperature, and thus can be usefully applied to extensive industrial fields such as automobiles and aircrafts. | 09-18-2014 |
20140271333 | MAGNESIUM MOTHER ALLOY AND METAL ALLOY - Disclosed are a magnesium mother alloy, a manufacturing method thereof, a metal alloy using the same, and a method of manufacturing the metal alloy. In particular, there are provided a magnesium mother alloy with improved oxidation and ignition properties, and a manufacturing method thereof, and also provided a metal alloy with low cost that is suitable for design purposes using the magnesium mother alloy, and a method of manufacturing the metal alloy. The magnesium mother alloy includes a plurality of magnesium grains, and scandium dissolved in the magnesium grains, or a scandium compound crystallized at grain boundaries which are not inside but outside the magnesium grains. Also, the metal alloy suitable for design purposes is manufactured at low cost by adding the magnesium mother alloy containing scandium into a magnesium alloy or an aluminum alloy. | 09-18-2014 |
20140348696 | METHOD FOR IMPROVING MOULDABILITY OF MAGNESIUM-ALLOY SHEET MATERIAL, AND MAGNESIUM-ALLOY SHEET MATERIAL PRODUCED THEREBY - A method for increasing formability of magnesium alloy sheet and the magnesium alloy sheet prepared by the same are provided, in which the method includes the following steps: forming {10-12} twins in magnesium alloy sheet (step 1); and annealing the magnesium alloy sheet of step 1 (step 2). The present invention also provides the magnesium alloy sheet containing {10-12} twins prepared by the method. Accordingly, the room temperature formability and the warm formability are increased by forming {10-12} twins through deformation on the magnesium alloy sheet and subsequently performing annealing, because it is possible to artificially form {10-12} twins without increasing dislocations in the magnesium alloy sheet and accommodate the deformation generated during the forming via annihilation of the twins. | 11-27-2014 |
20150299838 | Galvanically-Active In Situ Formed Particles for Controlled Rate Dissolving Tools - A castable, moldable, and/or extrudable structure using a metallic primary alloy. One or more additives are added to the metallic primary alloy so that in situ galvanically-active reinforcement particles are formed in the melt or on cooling from the melt. The composite contain an optimal composition and morphology to achieve a specific galvanic corrosion rate in the entire composite. The in situ formed galvanically-active particles can be used to enhance mechanical properties of the composite, such as ductility and/or tensile strength. The final casting can also be enhanced by heat treatment, as well as deformation processing such as extrusion, forging, or rolling, to further improve the strength of the final composite over the as-cast material. | 10-22-2015 |
20160153075 | MAGNESIUM ALLOY | 06-02-2016 |
420410000 | Manganese containing | 3 |
20100254849 | MAGNESIUM ALLOY - An object of the invention is to provide a magnesium alloy having high strength and sufficient formability. A magnesium alloy mainly contains magnesium and has high tensile strength and high compression strength. The crystal grain structure of the alloy has a high angle grain boundary, and the inside of the crystal grain surrounded by the high angle grain boundary is composed of subgrains. | 10-07-2010 |
20110176955 | HEAT-RESISTANT MAGNESIUM ALLOY - A heat-resistant magnesium alloy according to the present invention has Mg as the major component, includes Al, Ca and Mg, and has a metallic structure that comprises Mg crystalline grains and grain-boundary crystallized substances being crystallized out in a grain boundary between the Mg crystalline particles. The grain-boundary crystallized substances comprise a mixed crystal phase of a Laves-phase compound with a type-“C14” crystalline structure, and another Laves-phase compound with a type-“C36” crystalline structure. Moreover, a relative angle between a normal vector to the hexagonal-system basal plane of the Mg crystalline grains and another normal vector to the hexagonal-system basal plane of the grain-boundary crystallized substances is from 88 deg. to 92 deg. at an interface between the Mg crystalline grains and the grain-boundary crystallized substances at least. The present magnesium alloy exhibits high mechanical characteristics in high-temperature atmospheres, because it has the metallic structure in which a basal-plane slip is much less likely to occur than ever before, and because the basal-plane slip is less likely to occur even at high temperatures. | 07-21-2011 |
20140050608 | METHODS FOR REDUCING IMPURITIES IN MAGNESIUM, PURIFIED MAGNESIUM, AND ZIRCONIUM METAL PRODUCTION - 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 including greater than 1000 ppm zirconium. A purified magnesium including at least 1000 ppm zirconium and methods for producing zirconium metal using magnesium reductant also are disclosed. | 02-20-2014 |