Patents Examined by Anthony Liang
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Patent number: 9604267Abstract: There are provided a method for producing a magnesium alloy sheet having good press formability and a magnesium alloy coil stock obtained by coiling the magnesium alloy sheet. After a raw material sheet 1 composed of a magnesium alloy is preheated to 280° C. or less, the heated raw material sheet 1 is rolled with a reduction roll 3 and the obtained long rolled sheet is coiled. The surface temperature of the reduction roll 3 is set to be 230° C. or more and 290° C. or less. The preheating, rolling, and coiling are repeatedly performed in a continuous manner. By setting both the temperatures of the raw material sheet 1 and reduction roll 3 to be certain temperatures, the rolling property of the raw material sheet can be improved and the raw material sheet can be properly rolled in a continuous manner. In addition, a variation in temperature in the width direction of the reduction roll can be suppressed and uniform rolling can be performed, resulting in the production of a long magnesium alloy sheet.Type: GrantFiled: November 15, 2010Date of Patent: March 28, 2017Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Nobuyuki Mori, Yukihiro Oishi
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Patent number: 9598774Abstract: Briefly, in one embodiment, a method is disclosed. The method includes introducing a powder feedstock into a cold-spray apparatus, and operating the cold-spray apparatus to deposit the feedstock. The feedstock includes particles including nickel-base alloy having a thermally altered microstructure.Type: GrantFiled: December 16, 2011Date of Patent: March 21, 2017Assignee: General Electric CorporationInventors: Leonardo Ajdelsztajn, Timothy Hanlon
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Patent number: 9586285Abstract: There is provided a selective laser sintering method capable of reducing the trouble in chipping or breakage of the machining tool and the like. The manufacturing method according to an embodiment of the present invention is a method for manufacturing a three-dimensional shaped object by repetition of a powder-layer forming and a solidified-layer forming, the repetition including the steps of (i) forming a solidified layer by irradiating a predetermined portion of a powder layer with a light beam, thereby allowing a sintering of the powder in the predetermined portion or a melting and subsequent solidification thereof, and (ii) forming another solidified layer by newly forming a powder layer on the resulting solidified layer, followed by the irradiation of a predetermined portion of the powder layer with the light beam.Type: GrantFiled: July 9, 2014Date of Patent: March 7, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Satoshi Abe, Masataka Takenami, Isamu Matsumoto
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Patent number: 9589732Abstract: This method for producing porous sintered aluminum includes: mixing aluminum powder with a sintering aid powder containing a sintering aid element to obtain a raw aluminum mixed powder; forming the raw aluminum mixed powder into a formed object prior to sintering having pores; and heating the formed object prior to sintering in a non-oxidizing atmosphere to produce porous sintered aluminum, wherein the sintering aid element is titanium, and when a temperature at which the raw aluminum mixed powder starts to melt is expressed as Tm (° C.), then a temperature T (° C.) of the heating fulfills Tm-10 (° C.)?T?685 (° C.).Type: GrantFiled: March 30, 2010Date of Patent: March 7, 2017Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Koji Hoshino, Ji-bin Yang, Kenji Orito, Shinichi Ohmori
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Patent number: 9579724Abstract: A method for producing neodymium-iron-boron rare earth permanent magnetic materials mainly comprises processes of: alloy smelting, coarsely pulverization, milling, magnetic compaction, sintering, machining, vacuum heat treatment, and etc. Magnetic performance of permanent magnetic devices is increased by improving technologies of hydrogen pulverization, milling by jet mill, and vacuum heat treatment, in such a manner that usage amount of rare earth is decreased. The present invention is applicable in producing rare earth permanent magnetic materials having high performance.Type: GrantFiled: September 29, 2013Date of Patent: February 28, 2017Assignee: China North Magnetic & Electronic Technology Co., LTD.Inventor: Haotian Sun
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Patent number: 9574258Abstract: An aluminum-alloy sheet includes 0.10 to 0.40 mass % of Si, 0.35 to 0.80 mass % of Fe, 0.10 to 0.35 mass % of Cu, 0.20 to 0.80 mass % of Mn, and 1.5 to 2.5 mass % of Mg, the balance being Al and unavoidable impurities, wherein a content ratio (Si/Fe) of the Si to the Fe is 0.75 or less, the area fraction of Mg2Si intermetallic compound grains having a maximum length of 1 ?m or more is 0.10% or more in a region of a section of the aluminum-alloy sheet, the region being a central region in the thickness direction of the aluminum-alloy sheet, and the aluminum-alloy sheet has a proof stress of 225 to 270 N/mm2 after having been baked at 270° C. for 20 seconds.Type: GrantFiled: February 23, 2012Date of Patent: February 21, 2017Assignee: Kobe Steel, Ltd.Inventors: Yuji Inoue, Yasuhiro Aruga, Katsushi Matsumoto, Kiyohito Tsuruda, Kazuharu Masada
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Patent number: 9574254Abstract: A hot rolled steel sheet has a chemical composition including, by mass %, C: 0.060% to 0.120%; Si: 0.10% to 0.70%; Mn: 1.00% to 1.80%; P: 0.10% or less; S: 0.010% or less; Al: 0.01% to 0.10%; N: 0.010% or less; Nb: 0.010% to 0.100%, wherein Nb is contained so that content of solute Nb is 5% or more relative to the total Nb content; the balance being Fe and incidental impurities. The hot rolled steel sheet has a microstructure containing ferrite of not more than 15 ?m in average crystal grain diameter by a volume fraction of not less than 75%, the balance being low-temperature-induced phases. The hot rolled steel sheet can be suitably utilized for manufacturing a cold rolled steel sheet or hot-dip galvanized steel sheet having a tensile strength of 590 MPa or more, excellent in material homogeneity and capable of giving excellent cold rolling property.Type: GrantFiled: September 27, 2012Date of Patent: February 21, 2017Inventors: Katsutoshi Takashima, Yuki Toji, Kohei Hasegawa, Shinya Yamaguchi
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Patent number: 9551050Abstract: An aluminum alloy including additions of scandium, zirconium, erbium and, optionally, silicon.Type: GrantFiled: February 29, 2012Date of Patent: January 24, 2017Assignees: The Boeing Company, Ford Global Technologies, LLC, Northwestern UniversityInventors: Christopher S. Huskamp, Christopher Booth-Morrison, David C. Dunand, David N. Seidman, James M. Boileau, Bita Ghaffari
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Patent number: 9552911Abstract: An alloy composition is composed essentially of Hf2-XZrXCo11BY, wherein 0<X<2 and 0<Y?1.5. Moreover, an alloy composition is composed essentially of ferromagnetic Hf2-XZrXCo11BY, wherein 0?X<2 and 0<Y?1.5, and has a nanoscale crystalline structure comprising at least one non-equilibrium phase. The alloys can be melt-spun with in-situ and/or ex-situ annealing to produce the nanoscale crystalline structure.Type: GrantFiled: October 2, 2013Date of Patent: January 24, 2017Assignee: UT-Battelle, LLCInventors: Michael Alan McGuire, Orlando Rios, Nirmal Jeevi Ghimire
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Patent number: 9528181Abstract: Provided are a sputtering target which has excellent machinability and is capable of forming a compound film that mainly contains Cu and Ga and a method for producing the sputtering target. The sputtering target of the present invention has a component composition that contains 20 to 40 at % of Ga, 0.1 to 3 at % of Sb, and the balance composed of Cu and unavoidable impurities. A method for producing the sputtering target includes a step of producing a starting material powder that is obtained by pulverizing at least Cu, Ga and Sb as simple substances or an alloy that contains two or more of these elements; and a step of subjecting the starting material powder to hot processing in a vacuum, in an inert atmosphere or in a reducing atmosphere, wherein Ga is contained in the starting material powder in the form of a Cu—Ga alloy or in the form of a Ga—Sb alloy.Type: GrantFiled: April 20, 2012Date of Patent: December 27, 2016Assignees: MITSUBISHI MATERIALS CORPORATION, SOLAR FRONTIER K.K.Inventors: Shoubin Zhang, Masahiro Shoji
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Patent number: 9469887Abstract: A process for producing a weldable titanium or titanium alloy wire characterized in that full consolidation of the wire is achieved via solid-state processing entailing compaction, extrusion, and rolling, whereby melting of the constituent titanium sponge particles does not occur.Type: GrantFiled: October 21, 2010Date of Patent: October 18, 2016Assignee: NORSK TITANIUM ASInventor: Kevin Dring
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Patent number: 9463508Abstract: A method for manufacturing a component having at least one internal cavity includes the step of providing a core element of metallic material that includes at least one cavity having a first opening covered by a cover element with a first and second side. A form partially surrounds the core element and cover element. The form is filled with metallic filling material and heated in a heating chamber that is pressurized with gas for a predetermined time period at a predetermined temperature and a predetermined isostatic pressure, so that a metallurgical bond is achieved between the core element, cover element and metallic filling material. The core element is arranged such that, after filling the form with metallic filling material, the second side of the cover element is covered with metallic filling material so that the cavity during heating is pressurized to the predetermined isostatic pressure.Type: GrantFiled: November 9, 2011Date of Patent: October 11, 2016Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Tomas Berglund, Rickard Sandberg
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Patent number: 9457422Abstract: A heat resistant alloy member that maintains the creep strength and improves the fatigue characteristics is provided. The heat resistant alloy member according to the present invention includes a recrystallized structure layer including finer grains on the surface of the member than those inside of the member. The recrystallized structure layer is formed by forming a stirred layer by giving processing strain to the surface of the member using a friction stir processing, and applying recrystallization heat treatment to the stirred layer for recrystallization.Type: GrantFiled: June 21, 2012Date of Patent: October 4, 2016Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Hironori Kamoshida, Shinya Imano, Takehiko Yoshida, Seunghwan Park
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Patent number: 9447485Abstract: The present invention provides a structural material having excellent hardness (strength) characteristics. The present invention provides an Ni3(Si, Ti)-based intermetallic compound characterized by containing from 25 to 500 ppm by weight of B with respect to a weight of an intermetallic compound having a composition of 100% by atom in total consisting of from 10.0 to 12.0% by atom of Si, 1.5% by atom or more but less than 7.5% by atom of Ti, more than 2.0% by atom but 8.0% by atom or less of Ta and a balance made up of Ni excepting impurities, and by having a microstructure composed of an L12 phase or a microstructure composed of an L12 phase and a second phase dispersion containing Ni and Ta.Type: GrantFiled: September 14, 2010Date of Patent: September 20, 2016Assignee: OSAKA PREFECTURE UNIVERSITY PUBLIC CORPORATIONInventors: Yasuyuki Kaneno, Takayuki Takasugi
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Patent number: 9422994Abstract: A cast-iron friction member is manufactured by: performing a nitrocarburizing treatment on a cast workpiece at a treatment temperature of 500° C. to 600° C. to thus form a nitrogen compound layer on a surface of the workpiece; and exposing the workpiece to an atmosphere when a temperature becomes 400° C. to 480° C. after the nitrocarburizing treatment so as to cool the workpiece to a room temperature while keeping a contact state with oxygen to thus form an iron oxide layer including Fe3O4 on a surface of the nitrogen compound layer.Type: GrantFiled: August 29, 2013Date of Patent: August 23, 2016Assignee: AKEBONO BRAKE INDUSTRY CO., LTD.Inventors: Yoshiyuki Sugai, Katsuji Seki, Takuya Takada
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Patent number: 9299983Abstract: The invention discloses a novel method to prepare the Ni(Sn, Sb)3 skutterudite compound. Skutterudite compounds are thermoelectric materials, which can transform heat into electric energy. Besides, the Ni(Sn, Sb)3 compound is also an anode material of Li ion battery. The solid state diffusion method is used to prepare the Ni(Sn1-x, Sbx)3 compound. Compared to traditional physical or chemical processes, the method disclosed in the invention is simpler and operates at a lower temperature. By the method according to the invention, the composition of the Ni(Sn, Sb)3 compound can be adjusted to fulfill variety requirements for different applications. It is noteworthy that the invention can prepare ternary compounds. In comparison with the frequently used binary compounds such as Ni3Sn4 or Cu6Sn5, the invention can produce materials with better performance.Type: GrantFiled: December 23, 2011Date of Patent: March 29, 2016Assignee: CHUNG YUAN CHRISTIAN UNIVERSITYInventors: Chih-chi Chen, Yue-ting Chen