Magnesium Base Patents (Class 420/402)
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Patent number: 12121627Abstract: Embodiments of the present disclosure provide for structures including an alloy of calcium, strontium, and magnesium.Type: GrantFiled: September 27, 2022Date of Patent: October 22, 2024Assignee: University of Florida Research Foundation, Inc.Inventors: Michele Viola Manuel, Ida E. Svensson Berglund, Benjamin G. Keselowsky, Malisa Sarntinoranont, Harpreet Singh Brar, Hunter B. Henderson
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Patent number: 12053810Abstract: Processes for producing sheet metal products by machining a solid metal body with a cutting tool in a single step to continuously produce a continuous bulk form from material obtained from the solid metal body, and without performing a hot rolling operation thereon, cold rolling the continuous bulk form to produce a sheet metal product. The machining step is a large-strain machining process capable of being directly performed on an as-cast ingot or other solid body to produce a continuous intermediate product that can be directly cold rolled without any intervening hot rolling operation, and optionally without homogenization or annealing.Type: GrantFiled: November 12, 2019Date of Patent: August 6, 2024Assignee: Purdue Research FoundationInventors: Kevin Paul Trumble, Xiaolong Bai, Srinivasan Chandrasekar, James Mann
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Patent number: 11935974Abstract: Provided is a semiconductor material having improved oxidation resistance. The semiconductor material has a single crystal represented by the following composition formula: Mg2Sn·Zna??Composition formula: in which, a is a Zn content of from 0.05 to 1 at % relative to Mg2Sn.Type: GrantFiled: May 23, 2019Date of Patent: March 19, 2024Assignees: IBARAKI UNIVERSITY, JX METALS CORPORATIONInventors: Haruhiko Udono, Toshiaki Asahi
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Patent number: 11491257Abstract: Embodiments of the present disclosure provide for structures including an alloy of calcium, strontium, and magnesium.Type: GrantFiled: December 16, 2016Date of Patent: November 8, 2022Assignee: University of Florida Research Foundation, Inc.Inventors: Michele Viola Manuel, Ida E. Svensson Berglund, Benjamin G. Keselowsky, Malisa Sarntinoranont, Harpreet Singh Brar, Hunter B. Henderson
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Patent number: 11186899Abstract: A magnesium alloy including about 2 percent by weight to about 8 percent by weight zinc, about 0.1 percent by weight to about 3 percent by weight manganese, about 1 percent by weight to about 6 percent by weight tin, about 0.1 percent by weight to about 4 percent by weight yttrium, and balance magnesium and impurities.Type: GrantFiled: June 19, 2019Date of Patent: November 30, 2021Assignee: The Boeing CompanyInventors: Fusheng Pan, Dingfei Zhang, Guangshan Hu, Xia Shen, Jingren Dong, Sensen Chai, Daliang Yu, Fei Guo, Luyao Jiang
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Patent number: 10851443Abstract: A reinforced magnesium composite, and a method of producing thereof, wherein the reinforced magnesium composite comprises elemental magnesium particles, elemental nickel particles, and one or more ceramic particles with elemental nickel particles being dispersed within elemental magnesium particles without having intermetallic compounds therebetween. Various embodiments of the method of producing the reinforced magnesium composite are also provided.Type: GrantFiled: June 17, 2019Date of Patent: December 1, 2020Assignee: King Fahd University of Petroleum and MineralsInventors: Syed Fida Hassan, Nasser Al-Aqeeli, Nasirudeen Olalekan Ogunlakin
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Patent number: 10662508Abstract: Embodiments of the present disclosure include compositions that include magnesium and gadolinium or magnesium and one or more metals.Type: GrantFiled: July 20, 2017Date of Patent: May 26, 2020Assignee: University of Florida Research Foundation, Inc.Inventors: Michele Viola Manuel, Hunter B. Henderson, Kelly A. Jordan
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Patent number: 10477886Abstract: The present invention discloses a functional nutritional blend comprising Gynostemma pentaphyllum extract, Coleus forskohlii extract, Zingiber officinale extract and Piperine (Bioperine®), for increasing metabolic efficiency and inhibition of adipogenesis.Type: GrantFiled: February 21, 2019Date of Patent: November 19, 2019Assignee: SAMI LABS LIMITEDInventors: Muhammed Majeed, Kalyanam Nagabhushanam, Mitchell Chavez
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Patent number: 10370745Abstract: A magnesium alloy including about 2 percent by weight to about 8 percent by weight zinc, about 0.1 percent by weight to about 3 percent by weight manganese, about 1 percent by weight to about 6 percent by weight tin, about 0.1 percent by weight to about 4 percent by weight yttrium, and magnesium.Type: GrantFiled: August 1, 2014Date of Patent: August 6, 2019Assignee: The Boeing CompanyInventors: Fusheng Pan, Dingfei Zhang, Guangshan Hu, Xia Shen, Jingren Dong, Sensen Chai, Daliang Yu, Fei Guo, Luyao Jiang
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Patent number: 10047426Abstract: Disclosed are a magnesium (Mg) alloy and a manufacturing method thereof. The Mg alloy has a composition including, by weight, 4% to 10% of Sn, 0.05% to 1.0% of Ca, 0.1% to 2% of at least one element selected from the group including Y and Er, the balance of Mg, and the other unavoidable impurities. The Mg alloy includes an Mg2Sn phase having excellent thermal stability, and is capable of being heat treated at a temperature of 480° C. or more.Type: GrantFiled: February 1, 2013Date of Patent: August 14, 2018Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Young Min Kim, Ha Sik Kim, Bong Sun You, Chang Dong Yim, Sung Hyuk Park
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Patent number: 9724377Abstract: A supplement that produces an increased feeling of alertness and reduces anxiety, or produce a feeling of calmness is described. In an exemplary embodiment, the supplement is all natural, and contains no or essentially no synthesized chemical. The supplement or the therapeutic ingredients, such as the ingredients within a capsule, may only contain plant matter. The plant matter may include plant roots and leaves, for example. The supplement and more specifically the active ingredient of the supplement may include, piper methysticum (kava kava root), brahmi (bacopa), ashwagandha (winter cherry). These three ingredients may be the primary active or therapeutic ingredients and may be provided in an effective amount to produce a feeling of alert calmness.Type: GrantFiled: June 22, 2015Date of Patent: August 8, 2017Assignee: Slick Hunting Products LLCInventor: Shawn M Campbell
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Patent number: 9717770Abstract: The present disclosure provides mixtures of prenylated flavonoids, stilbenes, or both with flavans or curcuminoids or both capable of useful for promoting, managing or improving bone health, cartilage health or both, or for preventing or treating a bone disorder, cartilage disorder or both. Such a mixture of prenylated flavonoids, stilbenes, or both with flavans or curcuminoids or both can optionally be used in combination with other bone and cartilage management agents, such as calcium, magnesium, zinc, boron, vitamin D, vitamin K, glucosamine and/or chondroitin compounds, non-steroidal anti-inflammatory agents/analgesics, COX/LOX inhibiting agents, neuropathic pain relief agents, or the like.Type: GrantFiled: June 16, 2015Date of Patent: August 1, 2017Assignee: Unigen, Inc.Inventors: Lidia Alfaro Brownell, Min Chu, Mei-Feng Hong, Eu-Jin Hyun, Qi Jia, Ping Jiao, Hyun-Jin Kim, Mi-Ran Kim, Tae-Woo Kim, Young-Chul Lee, Jeong-Bum Nam, Mesfin Yimam
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Patent number: 9603728Abstract: A bioerodible endoprosthesis includes a bioerodible magnesium alloy. The bioerodible magnesium alloy has a microstructure including equiaxed Mg-rich solid solution-phase grains having an average grain diameter of less than or equal to 5 microns and second-phase precipitates in grain boundaries between the equiaxed Mg-rich solid solution-phase grains. The beta-phase precipitates have an average longest dimension of 0.5 micron or less. The microstructure can be produced by one or more equal-channel high-strain processes.Type: GrantFiled: February 12, 2014Date of Patent: March 28, 2017Assignee: Boston Scientific SciMed, Inc.Inventors: Jonathan S. Stinson, Dennis A. Boismier, Jacob Drew Edick, Torsten Scheuermann, Louis Toth, Jan Webber, Charles Deng
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Patent number: 9526752Abstract: A composition of cannabinoids, odorous volatile compounds, and emu oil for topical application, and a method for cannabinoid transdermal delivery wherein said composition effects increased delivery of cannabidinol to targeted areas in the hypodermis for therapeutic treatment therein whereby inflammation and other symptomology is alleviated and convalescence assisted.Type: GrantFiled: August 2, 2015Date of Patent: December 27, 2016Inventors: Gary Allen Lowe, Vickie Lowe
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Patent number: 9017603Abstract: Magnesium-based hydrogen storage alloys with addition of transition and rare earth elements were produced by conventional induction melting and by rapid solidification. The magnesium based-alloys of this invention posses reversible hydrogen storage capacities ranging from 3 to over 6 wt. %, and excellent performance on the hydrogen absorption and desorption kinetics.Type: GrantFiled: June 6, 2007Date of Patent: April 28, 2015Assignee: COPPE/UFRJ—Coordenacao dos Programmas de Pos Graduacao de Enganharla da Universidade Federal do Rio de JaneiroInventors: Paulo Emílio Valadão De Miranda, Glória Isabel Duarte Poveda, Luiz Alberto da Cunha Bustamante
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Publication number: 20150099135Abstract: Electrodes employing as active material magnesium nanoparticles synthesized by a novel route are provided. The nanoparticle synthesis is facile and reproducible, and provides magnesium nanoparticles of very small dimension and high purity for a wide range of metals. The electrodes utilizing these nanoparticles thus may have superior capability. Magnesium ion electrochemical cells employing said electrodes are also provided.Type: ApplicationFiled: July 10, 2014Publication date: April 9, 2015Inventors: Rana Mohtadi, Michael Paul Rowe, Ryan Daniel Desautels
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Publication number: 20150083285Abstract: A magnesium alloy of the present invention has the chemical composition that contains 0.02 mol % or more and less than 0.1 mol % of at least one element selected from yttrium, scandium, and lanthanoid rare earth elements, and magnesium and unavoidable impurities accounting for the remainder. A magnesium alloy member of the present invention is produced by hot plastic working of the magnesium alloy in a temperature range of 200° C. to 550° C., followed by an isothermal heat treatment performed in a temperature range of 300° C. to 600° C. The magnesium alloy is preferred for use in applications such as in automobiles, railcars, and aerospace flying objects. The magnesium alloy and the magnesium alloy member can overcome the yielding stress anisotropy problem, and are less vulnerable to the rising price of rare earth elements.Type: ApplicationFiled: May 28, 2013Publication date: March 26, 2015Inventors: Hidetoshi Somekawa, Yoshiaki Osawa, Toshiji Mukai, Alok Singh, Kota Washio, Akira Kato
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Publication number: 20150086413Abstract: Magnesium alloys comprising a long period stacking order (LPSO) phase having an 14H-i or an 18R-i structure are provided. The alloys comprise magnesium as a majority element, a first alloying element that is larger than magnesium and a second alloying element that is smaller than magnesium. The first alloying elements include non-rare earth elements.Type: ApplicationFiled: September 25, 2014Publication date: March 26, 2015Inventors: Christopher M. Wolverton, James E. Saal
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Publication number: 20150064483Abstract: A method of depositing a film of a metal having a volatilization temperature higher than 350° C., as well as, a composite material including the same are disclosed. The method can include providing the source material in a vacuum deposition processing chamber, and providing a substrate in the vacuum deposition processing chamber. The substrate can be spaced apart from, but in fluid communication with, the source material, and also maintained at a substrate temperature that is lower than the volatilization temperature. The method can also include reducing an internal pressure of the vacuum deposition processing chamber to a pressure between 0.1 and 14,000 pascals; volatilizing the source material into a volatilized metal by heating the source material to a first temperature that is higher than the volatilization temperature; and transporting the volatilized metal to the substrate using a heated carrier gas, whereby the volatilized metal deposits on the substrate and forms the metal film.Type: ApplicationFiled: September 3, 2014Publication date: March 5, 2015Inventors: Mark E. Thompson, Francisco F. Navarro
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Publication number: 20150064053Abstract: A pseudoelastic magnesium alloy contains magnesium as the main component thereof, and at least one element selected from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, wherein the pseudoelastic magnesium alloy has a unidirectional crystal structure.Type: ApplicationFiled: September 2, 2014Publication date: March 5, 2015Inventors: Kota Washio, Seiji Miura
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Publication number: 20150017057Abstract: 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. The heated rolled sheet RS is passed between rollers 21 to give bending to the rolled sheet RS. The giving of a strain is performed such that the strain-given sheet has a half peak width of 0.20 deg or more and 0.59 deg or less in a (0004) diffraction peak in monochromatic X-ray diffraction. The alloy sheet exhibits high plastic deformability by forming continuous recrystallization during warm plastic forming through the use of the remaining strain.Type: ApplicationFiled: August 4, 2014Publication date: January 15, 2015Inventors: Ryuichi INOUE, Nozomu KAWABE, Nobuyuki MORI, Masatada NUMANO, Junichi MATSUMOTO, Motonori NAKAMURA, Masayuki NISHIZAWA, Atsushi KIMURA, Yukihiro OISHI
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Publication number: 20150011749Abstract: Metal-accumulating plants for preparing compositions including a metal catalyst derived from the plants. The composition is substantially devoid of organic matter. Also, carrying out chemical reactions with the compositions prepared from metal-accumulating plants.Type: ApplicationFiled: March 5, 2013Publication date: January 8, 2015Applicants: UNIVERSITE MONTPELLIER 2 SCIENCES ET TECHNIQUES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Claude Grison, Vincent Escande
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Patent number: 8906293Abstract: 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.Type: GrantFiled: October 2, 2008Date of Patent: December 9, 2014Assignee: National Institute for Materials ScienceInventors: Toshiji Mukai, Hidetoshi Somekawa, Tadanobu Inoue, Alok Singh
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Patent number: 8840736Abstract: An endoprosthesis, in particular an intraluminal endoprosthesis such as a stent, includes a carrier structure, which includes at least one component containing a magnesium alloy of the following composition: Magnesium: between about 60.0 and about 88.0% by weight Rare earth metals: between about 2.0 and about 30.0% by weight Yttrium: between about 2.0% and about 20.0% by weight Zirconium: between about 0.5% and about 5.0% by weight Balance: between 0 and about 10.0% by weight wherein the alloy components add up to 100% by weight.Type: GrantFiled: September 7, 2005Date of Patent: September 23, 2014Assignee: Biotronik VI Patent AGInventors: Claus Harder, Marc Kuttler, Bodo Gerold
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Publication number: 20140271333Abstract: 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.Type: ApplicationFiled: May 27, 2014Publication date: September 18, 2014Applicant: Korea Institute of Industrial TechnologyInventors: Shea Kwang Kim, Jung Ho Seo, In Kyum Kim
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Publication number: 20140238192Abstract: A magnesium-based alloy powder is made of a magnesium-based alloy that contains 0.2 mass % to 5 mass % of calcium, wherein the magnesium-based alloy powder has an average particle diameter of 100 ?m to 1,500 ?m, wherein the magnesium-based alloy powder has a particle average aspect ratio of 0.5 to 1, wherein the magnesium-based alloy powder has an apparent density of 0.2 g/cm3 to 1.2 g/cm3, and wherein the mean value of hardness variation index values obtained by dividing the difference of the maximum value and the minimum value of micro Vickers hardnesses taken at 10 measurement points in a particle cross section by the maximum value is 0.3 or less.Type: ApplicationFiled: February 27, 2014Publication date: August 28, 2014Applicant: Seiko Epson CorporationInventors: Isamu Otsuka, Hiroyoshi Otaka
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Patent number: 8808423Abstract: 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.Type: GrantFiled: March 18, 2011Date of Patent: August 19, 2014Assignee: Korea Institute of Industrial TechnologyInventors: Shae K. Kim, Jung-Ho Seo
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Publication number: 20140225042Abstract: A flexible conductive material and a cable using the same, being resistant to one million times or more of dynamic driving and particularly suitable for wiring robots or automobiles. An average crystal grain size of crystal grains 20 forming a metal texture of a base material is 2 ?m or less, in which the crystal grains 20 being 1 ?tm or less are included at least 20% or more in a cross sectional ratio. Also, it is preferable to include 0.1 mass % to 20 mass % of nanoparticles 22.Type: ApplicationFiled: June 27, 2012Publication date: August 14, 2014Applicants: DYDEN CORPORATION, NAT'L UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY, FUKUOKA PREFECTURAL GOVERNMENTInventors: Hiroyuki In, Fumiyo Annou, Daisuke Matsunaga, Hiromoto Kitahara, Shinji Ando, Masayuki Tsushida, Toshifumi Ogawa
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Publication number: 20140212324Abstract: Provided by the present invention are a fine crystallite high-function metal alloy member, a method for manufacturing the same, and a business development method thereof, in which a crystallite of a metal alloy including a high-purity metal alloy whose crystal lattice is a face-centered cubic lattice, a body-centered cubic lattice, or a close-packed hexagonal lattice is made fine with the size in the level of nanometers (10?9 m to 10?6 m) and micrometers (10?6 m to 10?3 m), and the form thereof is adjusted, thereby remedying drawbacks thereof and enhancing various characteristics without losing superior characteristics owned by the alloy.Type: ApplicationFiled: April 10, 2012Publication date: July 31, 2014Applicant: THREE-O CO., LTD.Inventor: Kazuo Ogasa
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Patent number: 8784579Abstract: A process of grain refining magnesium metal or magnesium based alloy including the step of a) providing a melt of the magnesium metal or magnesium based alloy, said melt including a grain refining agent in an amount effective to induce grain refinement of said magnesium or magnesium based alloy upon solidification, wherein the grain refining agent is vanadium metal, where said grain refinement comprises a reduction in average grain size of at least 50% (percent) as compared with the average grain size without addition of said grain refining agent.Type: GrantFiled: April 20, 2009Date of Patent: July 22, 2014Inventor: Joka Buha
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Publication number: 20140200652Abstract: The production of microstructured surfaces in magnesium alloys, containing zinc as the major alloying element, in particular in absorbable implants such as stents, wherein microstructures in sizes of up to 5 ?m (micrometers) are generated on a magnesium alloy base body of the absorbable implant, for example of the absorbable stent, by way of optionally combined, pickling and electrochemical micropolishing processes, and allow better adhesion of a polymer coating (including higher break resistance) and higher corrosion resistance. The microstructured surface is produced out of the bulk material and exhibits no delamination from the base material during the mechanical deformation of the implant.Type: ApplicationFiled: January 2, 2014Publication date: July 17, 2014Applicant: BIOTRONIK AGInventors: Ullrich Bayer, Monika Badendieck, Susanne Peters, Thomas Drobek, Okechukwu Anopuo
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Publication number: 20140186207Abstract: 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.Type: ApplicationFiled: June 22, 2012Publication date: July 3, 2014Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Dong Hyun Bae, Hun Kang
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Publication number: 20140154341Abstract: Disclosed herein is a non-toxic, bioresorbable, magnesium based alloy for use in production of implants. Specifically exemplified herein are alloy embodiments useful for orthopedic implants. Also disclosed are alloy materials that incorporate magnesium, calcium and strontium.Type: ApplicationFiled: July 2, 2011Publication date: June 5, 2014Applicant: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.Inventors: Michele Viola Manuel, Harpreet Singh Brar, Ida Svensson Berglund, Benjamin George Keselowsky, Malisa Sarntinoranont
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Publication number: 20140147331Abstract: 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 ?p (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) ?p>?f (where ?f 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.Type: ApplicationFiled: June 19, 2012Publication date: May 29, 2014Inventor: Hiromi Miura
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Patent number: 8734855Abstract: The present invention provides compositions that contain magnesium and threonate, or a threonate precursor molecule, formulated for extended or modified release to provide physiological concentrations over a desired time period. The extended release or modified release form is particularly useful in providing Mg to a subject while avoiding adverse side effects such as diarrhea.Type: GrantFiled: January 8, 2013Date of Patent: May 27, 2014Assignee: Magceutics, Inc.Inventors: Guosong Liu, Fei Mao
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Publication number: 20140134038Abstract: Provided are resin-based and metal-based anti-thermally-expansive members each having small thermal expansion. More specifically, provided are an anti-thermally-expansive resin and an anti-thermally-expansive metal, each including a resin or a metal having a positive linear expansion coefficient at 20° C. and a solid particle dispersed in the resin or metal, in which the solid particle includes at least an oxide represented by the following general formula (1): (Bi1-xMx)NiO3 (1), where M represents at least one metal selected from the group consisting of La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, and In; and x represents a numerical value of 0.02?x?0.15.Type: ApplicationFiled: January 10, 2014Publication date: May 15, 2014Applicants: KYOTO UNIVERSITY, CANON KABUSHIKI KAISHAInventors: Makoto Kubota, Kaoru Miura, Hisato Yabuta, Yoshihiko Matsumura, Yuichi Shimakawa, Masaki Azuma
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Publication number: 20140127069Abstract: Disclosed is a method of manufacturing a metal matrix composite in which oxide nanoparticles are dispersed. Metal matrix composite powders in which oxide nanoparticles are dispersed are prepared. Gibbs free energy of the oxide nanoparticles is greater than that of an oxide of a metal matrix. A bulk processed material is manufactured from the composite powders through hot forming or a cast material is manufactured by inputting the composite powder into a molten base metal and then rapidly stirring a resultant mixture. The bulk processed material or the cast material is heat-treated so that atoms of the metal matrix and atoms of the oxide nanoparticles mutually diffuse. Oxygen atoms originating from the oxide nanoparticles are diffused and dispersed in the metal matrix.Type: ApplicationFiled: June 26, 2012Publication date: May 8, 2014Applicant: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Dong Hyun Bae, Jae Hyuck Shin, HyunJoo Choi, Hun Kang
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Patent number: 8636853Abstract: An Mg alloy provided with high strength and high ductility by matching the strength and ductility in tensile deformation and compressive deformation at the same levels is provided. The Mg alloy of the present invention is characterized by having a chemical composition consisting of Y: 0.1 to 1.5 at % and a balance of Mg and unavoidable impurities and having a microstructure with high Y regions with Y concentrations higher than an average Y concentration distributed at nanometer order sizes and intervals. The present invention further provides an Mg alloy characterized by having a chemical composition consisting of Y: more than 0.1 at % and a valance of Mg and unavoidable impurities, having a microstructure with high Y regions with Y concentrations higher than an average Y concentration distributed at nanometer order sizes and intervals and having an average recrystallized grain size within the range satisfying the following formula 1: ?0.87c+1.10<log d<1.14c+1.Type: GrantFiled: March 26, 2008Date of Patent: January 28, 2014Assignees: Toyota Jidosha Kabushiki Kaisha, National Institute for Materials ScienceInventors: Tetsuya Shoji, Akira Kato, Toshiji Mukai, Hidetoshi Somekawa
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Publication number: 20140017113Abstract: 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.Type: ApplicationFiled: January 6, 2012Publication date: January 16, 2014Applicant: PURDUE RESEARCH FOUNDATIONInventors: Srinivasan Chandrasekar, Kevin Trumble, Wilfredo Moscoso, Mert Efe, Dinakar Sagapuram, Christopher J. Saldana, James Bradley Mann, Walter Dale Compton
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Publication number: 20130315778Abstract: 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.Type: ApplicationFiled: February 13, 2012Publication date: November 28, 2013Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Yukihiro Oishi, Nobuyuki Mori, Ryuichi Inoue, Masaaki Fujii, Masahiko Ito, Nozomu Kawabe
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Publication number: 20130294988Abstract: A sorption apparatus for gas purification consists of a vertical flow column with gas tight walls, inlet and outlet filters, and a disintegrator producing reactive powder in the medium of the gas to be purified at ambient temperature, i.e. without forced heating or cooling. A process of sorption purification of gas flow using the sorption apparatus, where the reactive powder is produced as needed by mechanical milling of a monolithic ingot structure in the medium of the gas to be purified and a reactive sorption material. The composition of the sorption material corresponds to an eutectic on the basis of a reactive metal Me or an intermetallic compound MenM with a relatively low melting point, where M is the second metal and n 2:1, wherein the sorption material is obtained according to the above process.Type: ApplicationFiled: December 11, 2011Publication date: November 7, 2013Inventor: Konstantin Chuntonov
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Publication number: 20130209308Abstract: A method of making a nanoscale metallic powder is disclosed. The method includes providing a base material comprising a metallic compound, wherein the base material is configured for chemical reduction by a reductant to form a metallic material. The method also includes forming a powder of the base material, the powder comprising a plurality of powder particles, the powder particles having an average particle size that is less than about 1 micron. The method further includes disposing the powder particles into a reactor together with the reductant under an environmental condition that promotes the chemical reduction of the base material and formation of a plurality of particles of the metallic material.Type: ApplicationFiled: February 15, 2012Publication date: August 15, 2013Applicant: Baker Hughes IncorporatedInventors: Oleg A. Mazyar, Michael H. Johnson, David Ernest Rodrigues
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Publication number: 20130209309Abstract: 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.Type: ApplicationFiled: August 29, 2011Publication date: August 15, 2013Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Young Seon Lee, Yong Nam Kwon, Seong Hoon Kang, Kwang Seok Lee, Dae Yong Kim, Ji Hoon Kim, Sang Woo Kim
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Publication number: 20130195711Abstract: A high-strength magnesium alloy wire rod suitable for products in which at least one of bending stress and twisting stress primarily acts is provided. The wire rod has required elongation and 0.2% proof stress, whereby strength and formability are superior, and has higher strength in the vicinity of the surface. In the wire rod, the surface portion has the highest hardness in a cross section of the wire rod, the highest hardness is 170 HV or more, and the inner portion has a 0.2% proof stress of 550 MPa or more and an elongation of 5% or more.Type: ApplicationFiled: October 14, 2011Publication date: August 1, 2013Applicant: NHK SPRING CO., LTD.Inventors: Yuji Araoka, Tohru Shiraishi, Yoshiki Ono
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Patent number: 8425835Abstract: An endoprosthesis includes a carrier structure which contains a metallic material. The metallic material contains a magnesium alloy of the following composition: magnesium: >90%, yttrium: 3.7%-5.5%, rare earths: 1.5%-4.4% and balance: <1%.Type: GrantFiled: November 11, 2003Date of Patent: April 23, 2013Assignee: Biotronik VI Patent AGInventors: Claus Harder, Bodo Gerold, Heinz Mueller, Bernd Heublein
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Patent number: 8377473Abstract: The present invention provides compositions that contain magnesium and threonate, or a threonate precursor molecule, formulated for extended or modified release to provide physiological concentrations over a desired time period. The extended release or modified release form is particularly useful in providing Mg to a subject while avoiding adverse side effects such as diarrhea.Type: GrantFiled: July 1, 2010Date of Patent: February 19, 2013Assignee: Magceutics, Inc.Inventors: Guosong Liu, Fei Mao
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Publication number: 20130017118Abstract: 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.Type: ApplicationFiled: March 15, 2011Publication date: January 17, 2013Applicant: Gangnung-Wonju National University Industry Academy Cooperation GroupInventors: Hyo-Tae Jeong, Byung-Hak Choe
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Patent number: 8333924Abstract: Provided is a high-strength and high-toughness magnesium alloy which has practical level of both the strength and the toughness for expanded applications of the magnesium alloys, and is a method for manufacturing thereof. The high-strength and high-toughness magnesium alloy of the present invention contains: a atom % in total of at least one metal of Cu, Ni, and Co; and b atom % in total of at least one element selected from the group consisting of Y, Dy, Er, Ho, Gd, Tb, and Tm, while a and b satisfying the following formulae (1) to (3), 0.2?a?10??(1) 0.2?b?10??(2) 2/3a?2/3<b.Type: GrantFiled: March 20, 2007Date of Patent: December 18, 2012Assignees: National University Corporation Kumamoto University, Chiba UniversityInventors: Yoshihito Kawamura, Michiaki Yamasaki, Takaomi Itoi, Mitsuji Hirohashi
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Publication number: 20120288398Abstract: 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.Type: ApplicationFiled: April 30, 2012Publication date: November 15, 2012Applicant: Institute of Metal Research, Chinese Academy of SciencesInventors: Rongshi Chen, Di Wu, Enhou Han, Wei Ke
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Publication number: 20120270059Abstract: Disclosed herein is a connection means 58 made from metal, and in particular Al, Mg, Cu or Ti, or an alloy comprising one or more thereof. The connection means 58 is made from a compound material of said metal reinforced by nanoparticles, in particular CNT, wherein the reinforced metal has a microstructure comprising metal crystallites at least partly separated by said nanoparticles.Type: ApplicationFiled: January 28, 2010Publication date: October 25, 2012Inventors: Henning Zoz, Michael Dvorak, Horst Adams