Mechanical Blending Patents (Class 419/32)
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Patent number: 11180847Abstract: Certain embodiments of the present disclosure relate to coated articles and methods of coating articles. In one embodiment, a coated article comprises an article adapted for use in a processing chamber, and a coating formed on exterior and interior surfaces of the article. In one embodiment, the coating comprises a rare earth metal-containing ceramic, and the coating is substantially uniform, conformal, and porosity-free.Type: GrantFiled: December 6, 2018Date of Patent: November 23, 2021Assignee: Applied Materials, Inc.Inventors: Xiaowei Wu, Jennifer Y. Sun, Michael R. Rice
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Patent number: 10478895Abstract: A high-quality porous aluminum sintered compact, which can be produced efficiently at a low cost; has an excellent dimensional accuracy with a low shrinkage ratio during sintering; and has sufficient strength, and a method of producing the porous aluminum sintered compact are provided. The porous aluminum sintered compact is the porous aluminum sintered compact that includes aluminum substrates sintered each other. The junction, in which the aluminum substrates are bonded each other, includes the Ti—Al compound and the eutectic element compound capable of eutectic reaction with Al. It is preferable that the pillar-shaped protrusions projecting toward the outside are formed on outer surfaces of the aluminum substrates, and the pillar-shaped protrusions include the junction.Type: GrantFiled: May 18, 2015Date of Patent: November 19, 2019Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Ji-Bin Yang, Koichi Kita, Toshihiko Saiwai, Koji Hoshino, Jun Katoh
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Patent number: 10040123Abstract: In one aspect, methods of milling carbide are described herein. A method of milling carbide comprises placing a particulate composition comprising carbide in a vessel containing milling media and placing an additive in the vessel, the additive undergoing evaporation or sublimation to provide a non-oxidative atmosphere in the vessel. The carbide particles are comminuted with the milling media in the non-oxidative atmosphere.Type: GrantFiled: May 7, 2014Date of Patent: August 7, 2018Assignee: Kennametal India LimitedInventors: Raghavan Rengarajan, Gopalrao Sivaraman, Ramesh Sathyanarayan Rao, Alam Rukhsar, Jagannath Vaishali
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Patent number: 10040121Abstract: A method for forming an interconnect of a solid oxide fuel cell includes the following steps. First of all, a powder mixture substantially including equal to or more than 90 wt % chromium powder, with the balance being iron powder and inevitable impurities, is provided. Then the powder mixture is pressurized by a pressing process with a pressure equal to or over 8 mt/cm2 to form a green interconnect with a density being equal to or over 90% of the theoretical density. Next the green interconnect is sintered by a sintering process to form an interconnect body. Finally, a protection process is performed on at least one surface of the interconnect body to form an interconnect.Type: GrantFiled: May 11, 2010Date of Patent: August 7, 2018Assignee: Porite Taiwan Co., Ltd.Inventors: Wei-Hsun Hsu, Chi-Hsun Ho, Huei-Long Lee, Dyi-Nan Shong, Shun-Fa Chen, Tsung-Lin Yeh, Chiu-Lung Chu
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Patent number: 9796022Abstract: The invention provides a pollution-free reuse method for iron-based grinding waste, involving the technology of recycling economy, with special reference to the metallurgical industry, iron-based grinding waste green recycling technology. The present invention of the iron grinding waste recycling and reuse methods includes degreasing, heat treatment, sieving, matching, and obtains iron-based alloyed powders, which can be used in SHS lined steel pipe, powder metallurgy structural component, magnetic grinding, thermal spray. More than 95% iron-based alloyed powders can be recycled from wide source of iron-based grinding waste. The invention has the advantage of low cost, no secondary pollution and wide application.Type: GrantFiled: August 16, 2012Date of Patent: October 24, 2017Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Shengen Zhang, Bo Liu, Jianjun Tian, Dean Pan, Bin Li
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Patent number: 9791394Abstract: Provided in one embodiment is a method of identifying a stable phase of an ordering binary alloy system comprising a solute element and a solvent element, the method comprising: determining at least three thermodynamic parameters associated with grain boundary segregation, phase separation, and intermetallic compound formation of the ordering binary alloy system; and identifying the stable phase of the ordering binary alloy system based on the first thermodynamic parameter, the second thermodynamic parameter and the third thermodynamic parameter by comparing the first thermodynamic parameter, the second thermodynamic parameter and the third thermodynamic parameter with a predetermined set of respective thermodynamic parameters to identify the stable phase; wherein the stable phase is one of a stable nanocrystalline phase, a metastable nanocrystalline phase, and a non-nanocrystalline phase.Type: GrantFiled: May 20, 2014Date of Patent: October 17, 2017Assignee: Massachusetts Institute of TechnologyInventors: Heather A. Murdoch, Christopher A. Schuh
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Patent number: 9227243Abstract: A method of making a selectively corrodible article is disclosed. The method includes forming a powder comprising a plurality of metallic powder particles, each metallic powder particle comprising a nanoscale metallic coating layer disposed on a particle core. The method also includes forming a powder compact of the powder particles, wherein the powder particles are substantially elongated in a predetermined direction to form substantially elongated powder particles. In one embodiment, forming the powder compact includes compacting the powder particles into a billet, and forming the billet to provide the powder compact of the powder particles, wherein the powder particles are substantially elongated in a predetermined direction to form substantially elongated powder particles.Type: GrantFiled: July 29, 2011Date of Patent: January 5, 2016Assignee: Baker Hughes IncorporatedInventor: Zhiyue Xu
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Patent number: 9211586Abstract: A non-faceted nanoparticle reinforced metal matrix composite having increased ductility, while maintaining strength. In particular, a non-faceted nanoparticle reinforced metal matrix composite is provided comprised of spherical or ellipsoidal shaped (non-faceted) nanoparticles comprising one or more of boron carbide, titanium diboride, silicon nitride, alumina and boron nitride, and a nanostructured matrix composite comprised of one or more metals and/or metal alloys. In addition, a method of manufacturing such a non-faceted nanoparticle reinforced metal matrix composite is provided.Type: GrantFiled: February 24, 2012Date of Patent: December 15, 2015Assignee: The United States of America as Represented by the Secretary of the ArmyInventors: Enrique J. Lavernia, Julie M. Schoenung, Yizhang Zhou, Zhihui Zhang, Ying Li, Troy Topping, Rustin Vogt, Deepak Kapoor, Joseph Paras, Christopher Haines
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Patent number: 8999229Abstract: Disclosed herein is a sintered composition comprising iron; about 0.05 to about 1 wt % molybdenum; about 3 to about 4.5 wt % silicon; about 0.05 to about 0.5 wt % chromium; about 0.011 to about 0.015 wt % magnesium; all weight percents being based on the total weight of the composition; the composition being devoid of carbon except for trace amounts; and wherein the composition is sintered. Disclosed herein too is a method comprising blending a powdered composition that comprises iron; about 0.05 to about 1 wt % molybdenum; about 3 to about 4.5 wt % silicon; about 0.05 to about 0.5 wt % chromium; about 0.011 to about 0.015 wt % magnesium; all weight percents being based on the total weight of the composition; the composition being devoid of carbon except for trace amounts; compacting and sintering the composition.Type: GrantFiled: November 11, 2011Date of Patent: April 7, 2015Assignee: Alpha Sintered Metals, Inc.Inventors: Thomas J. Cornelio, Leonid I. Frayman, Thomas E. Haberberger
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Patent number: 8932516Abstract: It is an objective of the present invention to provide an aluminum porous body which is formed of a pure aluminum and/or aluminum alloy base material and has excellent sinterability and high dimensional accuracy without employing metal stamping. There is provided an aluminum porous body having a relative density of from 5 to 80% with respect to the theoretical density of pure aluminum, in which the aluminum porous body contains 50 mass % or more of aluminum (Al) and from 0.001 to 5 mass % of at least one selected from chlorine (Cl), sodium (Na), potassium (K), fluorine (F), and barium (Ba). It is preferred that the aluminum porous body further contains from 0.1 to 20 mass % of at least one selected from carbon (C), silicon carbide (SiC), iron (II) oxide (FeO), iron (III) oxide (Fe2O3), and iron (II,III) oxide (Fe3O4).Type: GrantFiled: April 1, 2011Date of Patent: January 13, 2015Assignee: Hitachi, Ltd.Inventors: Masami Taguchi, Kazutaka Okamoto, Akio Hamaoka, Kouji Sasaki
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Patent number: 8920533Abstract: A powder metal mixture is disclosed that provides improved mechanical properties for parts made from powder metal, such as cam caps. The powder metal mixture, upon sintering, forms an S phase intermetallic in the Al—Cu—Mg alloy system. The S phase is present in a concentration that results in an enhanced response to cold work strengthening of the powder metal part. Further, by minor adjustments to certain alloy elements, such as tin, the tensile properties of the resultant part may be adjusted.Type: GrantFiled: October 6, 2009Date of Patent: December 30, 2014Assignee: GKN Sinter Metals, LLCInventors: Donald Paul Bishop, Christopher D. Boland, Richard L. Hexemer, Jr., Ian W. Donaldson
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Patent number: 8889065Abstract: An improved sintered material and product. A nanometer size reinforcement powder is mixed with a micron size titanium or titanium alloy powder. After the reinforcement powder is generally uniformly dispersed, the powder mixture is compacted and sintered, causing the nano reinforcement to react with the titanium or titanium alloy, producing a composite material containing nano and micron size precipitates that are uniformly distributed throughout the material.Type: GrantFiled: September 14, 2006Date of Patent: November 18, 2014Assignee: IAP Research, Inc.Inventors: Bhanumathi Chelluri, Edward Arlen Knoth, Edward John Schumaker, Ryan D. Evans, James. L. Maloney, III
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Patent number: 8871143Abstract: Hardened amalgams formed from copper mixed with liquid gallium or liquid gallium-indium alloys are used to fabricate sputter targets comprised of copper, gallium and indium (CIG) and targets of selenides of copper, gallium and indium (CIGS). Amalgam hardening occurs by formation of intermetallic compounds at or near ambient temperature as a result of reaction between liquid metals and solid metals in powder form.Type: GrantFiled: December 20, 2012Date of Patent: October 28, 2014Inventor: Leonard Nanis
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Patent number: 8858675Abstract: A powder metallurgical combination is provided comprising an iron-based powder A comprising core particles of iron to which core particles nickel is diffusion alloyed and wherein said nickel diffusion alloyed to said core particles comprises 4-7% (preferably 4.5-6%) by weight of said iron-based powder A, and a powder B substantially consisting of particles of pure iron. Further a method is provided for preparing a powder metallurgical combination.Type: GrantFiled: July 10, 2008Date of Patent: October 14, 2014Assignee: Hoganas AB (Publ)Inventor: Mats Larsson
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Publication number: 20140295199Abstract: A composite metal surface that looks metallic, but permits effective transmission of an electromagnetic field. The composite metal surface can be integrated into various electronic equipment, such as telephones, remote controls, battery doors, keyboards, mice, game controllers, cameras, laptops, inductive power supplies, and essentially any other electronic equipment. The composite metal surface can also be integrated into non-electrically conductive heat sinks, high permeability shielding, and polished metal non-electrically conductive surfaces.Type: ApplicationFiled: October 12, 2012Publication date: October 2, 2014Applicant: Access Business Group International LLCInventors: David W. Baarman, Benjamin C. Moes, Neil W. Kuyvenhoven, Joshua K. Schwannecke, Roy M. Taylor, Jr., Kaitlyn J. Turner, Robert Wolford, Matthew J. Norconk, Ryan D. Schamper
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Publication number: 20140286810Abstract: A method of making a degradable alloy includes adding one or more alloying products to an aluminum or aluminum alloy melt; dissolving the alloying products in the aluminum or aluminum alloy melt, thereby forming a degradable alloy melt; and solidifying the degradable alloy melt to form the degradable alloy. A method for manufacturing a product made of a degradable alloy includes adding one or more alloying products to an aluminum or aluminum alloy melt in a mould; dissolving the one or more alloying products in the aluminum or aluminum alloy melt to form a degradable alloy melt; and solidifying the degradable alloy melt to form the product. A method for manufacturing a product made of a degradable alloy includes placing powders of a base metal or a base alloy and powders of one or more alloying products in a mould; and pressing and sintering the powders to form the product.Type: ApplicationFiled: June 4, 2014Publication date: September 25, 2014Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventor: Manuel Marya
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Patent number: 8834785Abstract: A method for producing a metal article according to one embodiment may involve the steps of: Providing a composite metal powder including a substantially homogeneous dispersion of molybdenum and molybdenum disulfide sub-particles that are fused together to form individual particles of the composite metal powder; and compressing the molybdenum/molybdenum disulfide composite metal powder under sufficient pressure to cause the mixture to behave as a nearly solid mass.Type: GrantFiled: July 11, 2011Date of Patent: September 16, 2014Assignee: Climax Engineered Materials, LLCInventors: Matthew C. Shaw, Carl V. Cox, Yakov Epshteyn
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Publication number: 20140248174Abstract: A sintered alloy includes, in percentage by mass, Cr: 10.37 to 39.73, Ni: 5.10 to 24.89, Si: 0.14 to 2.52, Cu: 1.0 to 10.0, P: 0.1 to 1.5, C: 0.18 to 3.20 and the balance of Fe plus unavoidable impurities; a phase A containing precipitated metallic carbide with an average particle diameter of 10 to 50 ?m; and a phase B containing precipitated metallic carbide with an average particle diameter of 10 ?m or less, wherein the phase A is randomly dispersed in the phase B and the average particle diameter DA of the precipitated metallic carbide in the phase A is larger than the average particle diameter DB of the precipitated metallic carbide of the phase B.Type: ApplicationFiled: March 3, 2014Publication date: September 4, 2014Inventors: Daisuke FUKAE, Hideaki KAWATA
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Patent number: 8821786Abstract: A method of forming an oxide-dispersion strengthened alloy and a method for forming an oxide-alloy powder where the oxide-nanoparticles are evenly distributed throughout the powder. The method is comprised of the steps of forming an oxide-nanoparticles colloid, mixing the oxide-nanoparticles colloid with alloy-microparticles forming an oxide-alloy colloid, drying the oxide-alloy colloid solution to form an oxide-alloy powder, applying pressure to the oxide-alloy powder, and heating the oxide-alloy powder to a sintering temperature. The oxide-nanoparticles are sized to be between 1-10 nanometers in diameter. The ratio of oxide-nanoparticles to alloy-microparticles should be 1-5% by weight. Heating of the oxide-alloy powder can use a spark plasma sintering process.Type: GrantFiled: December 15, 2010Date of Patent: September 2, 2014Assignee: SDCmaterials, Inc.Inventor: Maximilian A. Biberger
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Patent number: 8802004Abstract: The invention relates to components which are produced or processed by powder metallurgy, and to processes for producing components of this type. The components produced by powder metallurgy are intended both to have porous regions and to provide fluid-tight properties, and it should also be possible to produce them at correspondingly low cost and suitably flexibly. For this purpose, a component of this type has at least one porous region, which is formed from an intermetallic phase or solid solutions. However, it may also have a corresponding surface coating. Moreover, in a component of this type there is at least one areal fluid-tight region which is formed from a meta or metal alloy of the corresponding intermetallic phase or solid solution.Type: GrantFiled: December 5, 2007Date of Patent: August 12, 2014Assignees: Alantum Corporation, Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung E.V.Inventors: Dirk Naumann, Thomas Weissgarber, Alexander Bohm
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Patent number: 8795586Abstract: A sinter of stable quality is produced by molding a powder for powder metallurgy. This process includes successively conducting the following steps: charging a powder and a solid lubricant into a mold compact formation in which the powder charged into the mold is compacted; releasing the compact from the mold; and the powder for powder metallurgy is charged again into the mold after the release step. The temperature of the mold is set at a value in the range of from the boiling point of water to the melting point of the solid lubricant. The compact can be continuously formed without causing, e.g., a failure in the feeding of the powder for powder metallurgy. The sinter obtained by sintering the compact is almost even in strength and density.Type: GrantFiled: November 14, 2005Date of Patent: August 5, 2014Assignee: Diamet CorporationInventors: Kinya Kawase, Takashi Nakai
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Patent number: 8795585Abstract: There is provided cryogenic milled nanophase copper alloys and methods of making the alloys. The alloys are fine grained having grains in the size range from about 2 to about 100 nanometers, and greater. The nanophase alloys possess desirable physical properties stemming from the fine grain size, such as potentially high strength. Some embodiments of the cryogenic milled copper alloys may also be tailored for ductility, toughness, fracture resistance, corrosion resistance, fatigue resistance and other physical properties by balancing the alloy composition. In addition, embodiments of the alloys generally do not require extensive or expensive post-cryogenic milling processing.Type: GrantFiled: December 21, 2006Date of Patent: August 5, 2014Assignee: The Boeing CompanyInventors: Barun Majumdar, James D. Cotton, Clifford C. Bampton
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Patent number: 8784728Abstract: There is provided cryogenic milled copper alloys and methods of making the alloys. The alloys are fine grained and possess desirable physical properties stemming from the fine grain size. Embodiments include desirable physical properties, such as potentially high strength. Some embodiments of the cryogenic milled copper alloys may also be tailored for ductility, toughness, fracture resistance, corrosion resistance, fatigue resistance and other physical properties by balancing the alloy composition. In addition, embodiments of the alloys generally do not require extensive or expensive post-cryogenic milling processing.Type: GrantFiled: December 5, 2006Date of Patent: July 22, 2014Assignee: The Boeing CompanyInventors: Clifford C. Bampton, James D. Cotton, Barun Majumdar
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Publication number: 20140197911Abstract: There are provided a rare-earth permanent magnet and a manufacturing method of a rare-earth permanent magnet capable of improving magnetic properties by optimizing magnetic field orientation. In the method, magnet material is milled into magnet powder. Next, the magnet powder and a binder are mixed to obtain a mixture 12. The thus prepared mixture 12 is then formed into a long-sheet-like shape on a supporting base 13 by hot-melt molding so as to obtain a green sheet 14. The thus formed green sheet 14 is heated to soften and a magnetic field is applied to the heated green sheet 14 for magnetic field orientation. The green sheet 14 subjected to the magnetic field orientation is sintered and thereby a permanent magnet 1 is obtained.Type: ApplicationFiled: March 8, 2013Publication date: July 17, 2014Applicant: NITTO DENKO CORPORATIONInventors: Takashi Ozaki, Katsuya Kume, Toshiaki Okuno, Izumi Ozeki, Tomohiro Omure, Keisuke Taihaku, Takashi Yamamoto
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Patent number: 8758476Abstract: Provided are a method of producing mixed powder comprising noble metal powder and oxide powder, wherein powder of ammonium chloride salt of noble metal and oxide powder are mixed, the mixed powder is subsequently roasted, and ammonium chloride is desorbed by the roasting process in order to obtain mixed powder comprising noble metal powder and oxide powder, and mixed powder comprising noble metal powder and oxide powder, wherein chlorine is less than 1000 ppm, nitrogen is less than 1000 ppm, 90% or more of the grain size of the noble metal powder is 20 ?m or less, and 90% or more of the grain size of the oxide powder is 12 ?m or less. Redundant processes in the production of noble metal powder are eliminated, and processes are omitted so that the inclusion of chlorine contained in the royal water and nitrogen responsible for hydrazine reduction reaction is eliminated as much as possible.Type: GrantFiled: August 18, 2009Date of Patent: June 24, 2014Assignee: JX Nippon Mining & Metals CorporationInventors: Atsutoshi Arakawa, Kazuyuki Satoh, Atsushi Sato
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Publication number: 20140154127Abstract: There are provided a sputtering target material for a soft-magnetic film layer with a high saturation magnetic flux density and high amorphous properties and a method for producing the sputtering target material. The target material is made of an alloy comprising one or more of Zr, Hf, Nb, Ta and B in an amount satisfying 5 at %?(Zr+Hf+Nb+Ta)+B/2?10 at % and having 7 at % or less of B; 0 to 5 at % in total of Al and Cr; and the balance being Co and Fe in an amount satisfying 0.20?Fe/(Fe+Co)?0.65 (at % ratio) with unavoidable impurities.Type: ApplicationFiled: February 7, 2014Publication date: June 5, 2014Applicant: Sanyo Special Steel Co., Ltd.Inventors: Toshiyuki Sawada, Akihiko Yanagitani
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Publication number: 20140147750Abstract: An anode active material, a lithium battery including the anode active material, and a method of preparing the anode active material are provided. The anode active material includes an alloy containing silicon (Si), titanium (Ti) and nickel (Ni) elements, wherein the alloy includes a Si phase and an alloy phase, and a peak intensity ratio (I(111)/I(220)) of Si(111) to Si(220) plane in a X-ray diffraction spectrum of the Si phase is from about 1.0 to about 1.5.Type: ApplicationFiled: March 14, 2013Publication date: May 29, 2014Applicant: SAMSUNG SDI CO., LTD.Inventors: Jae-Hyuk Kim, Young-Ugk Kim, Seung-Uk Kwon, Soon-Sung Suh, Hee-Young Chu, Duk-Hyoung Yoon, Chang-Ui Jeong, Yo-Han Park, Yury Matulevich
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Publication number: 20140145808Abstract: There are provided a rare-earth permanent magnet and a manufacturing method of a rare-earth permanent magnet capable of preventing deterioration of magnet properties. In the method, magnet material is milled into magnet powder. Next, a mixture 12 is prepared by mixing the magnet powder and a binder, and the mixture 12 is formed into a sheet-like shape to obtain a green sheet 14. Thereafter, magnetic field orientation is performed to the green sheet 14, which is then held for several hours in a non-oxidizing atmosphere at a pressure higher than normal atmospheric pressure, at 200 through 900 degrees Celsius for calcination. Thereafter, the calcined green sheet 14 is sintered at a sintering temperature. Thereby a permanent magnet 1 is manufactured.Type: ApplicationFiled: March 8, 2013Publication date: May 29, 2014Applicant: NITTO Denko CorporationInventors: Katsuya Kume, Toshiaki Okuno, Izumi Ozeki, Tomohiro Omure, Takashi Ozaki, Keisuke Taihaku, Takashi Yamamoto
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Publication number: 20140140881Abstract: The present invention relates to a method 931 for producing a solid element, which comprises the thermoelectrically active material beta-Zn4Sb3. The method utilizes that is possible to directly synthesize and press pellets of Zn4Sb3 starting from powders of Zn and Sb, by mixing 930 powders of Zn and Sb so as to obtain a mixed powder comprising elemental zinc and elemental antimony, placing 932 the mixed powder in a container and simultaneously applying 936 a pulsed current, such as to heat up the powders, and applying 938 a pressure such as to compact the powder mix. The gist of the invention might be seen as exploiting the basic insight, that the cumbersome and time- and energy consuming steps of synthesis and pressing of Zn and Sb, so as to achieve a solid element comprising Zn4Sb3, can be combined into a single step where the synthesis and pressing is effected simultaneously.Type: ApplicationFiled: July 16, 2012Publication date: May 22, 2014Applicant: AARHUS UNIVERSITETInventors: Bo Brummerstedt Iversen, Mogens Christensen, Hao Yin
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Patent number: 8728340Abstract: The method of manufacturing the thermoelectric material including a plurality of phases that are phase-separated from a supersaturated solid solution includes: a process of performing a mechanical alloying treatment to a starting raw material that is prepared with a composition deviated from a composition range existing in an equilibrium state of a compound to generate the supersaturated solid solution; and a process of performing phase separation into the plurality of phases and solidification by heating and pressing the supersaturated solid solution, or by further performing a heat treatment according to the circumstances.Type: GrantFiled: March 27, 2012Date of Patent: May 20, 2014Assignees: Japan Science and Technology Agency, California Institute of TechnologyInventors: Teruyuki Ikeda, G. Jeffrey Snyder
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Publication number: 20140124563Abstract: A friction stir welding (FSW) tool tip is described. The tool tip comprises a pin portion and a body portion that meet to form a shoulder. The tool tip has a graduated change in composition along its length. In some embodiments, the alloy composition near the end of the pin differs from the alloy composition of the body by at least 0.5% by wt of at least one element. A method of manufacturing a FSW tool tip having a gradual compositional change is also described.Type: ApplicationFiled: November 5, 2012Publication date: May 8, 2014Inventors: Chris Obaditch, Glenn J. Grant
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Brazing product comprising a mixture of brazing flux and filler metal, and production method thereof
Patent number: 8696829Abstract: A brazing product includes a compacted solid and rigid material formed of a brazing flux and a filler metal as a mixture, which has mechanical strength sufficient to make it extrudable under a press with a flux mass proportion from 3 to 20%. The invention also provides a method for manufacturing a brazing product by mixing particles of filler metal and brazing powder in order to form metal particles coated with the flux, and compacting filler metal particles coated with the brazing flux.Type: GrantFiled: November 16, 2009Date of Patent: April 15, 2014Assignee: FP SoudageInventors: Philippe Schmitt, Boris Bosi -
Patent number: 8679400Abstract: An iron-based sintered sliding material includes: a sintered structure which contains 10-50 wt. % copper and 1-15 wt. % carbon and has been formed by sintering a powder mixture obtained by mixing at least one of an Fe—Cu alloy powder containing copper in an amount which is the solid solubility or larger and is 5-50 wt. %, excluding 50 wt. %, and an Fe—Cu—C alloy powder containing copper in an amount which is the solid solubility or larger and is 5-50 wt. %, excluding 50 wt. %, and containing carbon in an amount of 0-5 wt. %, excluding 0 wt. %, with a graphite powder and at least one of a copper powder and a copper alloy powder; and graphite particles dispersed in the sintered sliding material in an amount of 1-14 wt. % or 3-50 vol. %.Type: GrantFiled: March 6, 2012Date of Patent: March 25, 2014Assignee: Komatsu LtdInventor: Takemori Takayama
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Publication number: 20140079583Abstract: Disclosed herein are titanium-tungsten alloys and composites wherein the tungsten comprises 0.5% to 40% by weight of the alloy. Also disclosed is a method of making such alloys and composites using powders of tungsten less then 3 ?m in size, such as 1 ?m or less. Also disclosed is a method of making the titanium alloy by powder metallurgy, and products made from such alloys or billets that may be cast, forged, or extruded. These methods of production can be used to make titanium alloys comprising other slow-diffusing beta stabilizers, such as but not limited to V, Nb, Mo, and Ta.Type: ApplicationFiled: March 26, 2013Publication date: March 20, 2014Applicant: Dynamet Technology, Inc.Inventors: Stanley Abkowitz, Susan M. Abkowitz, Harvey Fisher, Patricia J. Schwartz
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Patent number: 8628599Abstract: Thermal stability of cryomilled Al+1% diamantane was investigated in the temperature range of 423 to 773K. Diamantane is a nanosized hydrocarbon molecule with a 14 carbon atom diamond cubic framework that is terminated by hydrogen atoms. Following the cryomilling of the Al powders and diamantane cages, the average grain size characterized using transmission electron microscopy (TEM) and X-ray diffraction (XRD). The as-cryomilled grain sized was found to be of the order of 22 nm, essentially the same as that for Al cryomilled without diamantane. To determine thermal stability, the powders were sealed in glass tubes in an Ar atmosphere to avoid oxidation and contamination and annealed at different temperatures between 423 and 773K for different holding times. Following these treatments, the grain size of cryomilled Al+1% diamantane was consistently less than that for cryomilled Al by about a factor of two.Type: GrantFiled: September 4, 2008Date of Patent: January 14, 2014Assignee: The Regents of the University of CaliforniaInventors: James C. Earthman, Farghalli A. Mohamed, Rahul K. Mishra, Indranil Roy
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Publication number: 20140010699Abstract: Embodiments of a magnesium (Mg) alloy and method for producing the same are disclosed. One such embodiment, among others, is a method for producing a magnesium (Mg) alloy, comprising the steps of: (a) producing a Mg powder aggregate by mixing Mg powder and at least one strengthening agent, the strengthening agent selected from: a carbon, a metal, and a combination thereof; (b) agglomerating the aggregate; and (c) sintering the agglomerated aggregate to produce the Mg alloy. Preferably, although not necessarily, steps (a) and (b) are performed using a ball mill. Moreover, the strengthening agent may be, for example but not limited to, carbon nanotubes, copper, tin, titanium, or silicon carbide. The resulting Mg alloy comprises nano-scale crystalline and/or micro-scale crystalline lattice structures and a yield strength that is at least as high as steel, exhibiting a yield strength that is about 320 MPa to 500 MPa.Type: ApplicationFiled: June 21, 2013Publication date: January 9, 2014Inventors: Mark Horstemeyer, Paul Wang
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Publication number: 20130323109Abstract: A method for producing a bonded rare-earth magnet according to an embodiment of the present invention includes the steps of: providing a rapidly solidified rare-earth magnet alloy powder; providing a solution in which a resin that is in solid phase at an ordinary temperature is dissolved in an organic solvent; mulling the rapidly solidified rare-earth magnet alloy powder and the solution together and vaporizing the organic solvent, thereby making a bonded rare-earth magnet compound in which magnet powder particles that form the rapidly solidified rare-earth magnet alloy powder are coated with the resin; making a compressed compact by compressing the bonded rare-earth magnet compound under a pressure of 1000 MPa to 2500 MPa; and thermally treating the compressed compact. If the rapidly solidified rare-earth magnet alloy powder to be mulled is 100 mass %, the solution includes 0.4 mass % to 1.0 mass % of the resin and 1.2 mass % to 20 mass % of the organic solvent.Type: ApplicationFiled: February 27, 2012Publication date: December 5, 2013Applicant: HITACHI METALS, LTD.Inventors: Kazuhiro Takayama, Toshio Miyoshi
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Publication number: 20130298730Abstract: A composite soft magnetic material having low magnetostriction and high magnetic flux density contains: pure iron-based composite soft magnetic powder particles that are subjected to an insulating treatment by a Mg-containing insulating film or a phosphate film; and Fe—Si alloy powder particles including 11%-16% by mass of Si. A ratio of an amount of the Fe—Si alloy powder particles to a total amount is in a range of 10%-60% by mass. A method for producing the composite soft magnetic material comprises the steps of: mixing a pure iron-based composite soft magnetic powder, and the Fe—Si alloy powder in such a manner that a ratio of the Fe—Si alloy powder to a total amount is in a range of 10%-60%; subjecting a resultant mixture to compression molding; and subjecting a resultant molded body to a baking treatment in a non-oxidizing atmosphere.Type: ApplicationFiled: February 22, 2012Publication date: November 14, 2013Applicants: DIAMET CORPORATION, MITSUBISHI MATERIALS CORPORATIONInventors: Hiroaki Ikeda, Hiroshi Tanaka, Kazunori Igarashi
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Publication number: 20130264894Abstract: An amorphous magnetic component for use in a high-power, high-speed electric motor, in which amorphous metal materials are powdered, compressed, and molded, to be easily molded into magnetic components of a complex shape, and crystalline metal powder of excellent soft magnetic properties is added to the amorphous alloy powder, to promote improvement of a magnetic permeability and improvement of a packing density at the time of compression molding. A method of manufacturing the amorphous magnetic component; includes the steps of: pulverizing ribbons or strips of amorphous alloys to obtain plate-shaped amorphous alloy powder; classifying the amorphous alloy powder, and mixing the amorphous alloy powder with spherical soft magnetic powder, in order to improve magnetic permeability and packing density, to obtain mixed powder; mixing the mixed powder with a binder, to be molded into a shape of the magnetic components; and sintering the molded magnetic components to implement magnetic properties.Type: ApplicationFiled: May 31, 2013Publication date: October 10, 2013Applicant: AMOTECH CO., LTD.Inventor: Byoung Soo KIM
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Publication number: 20130243638Abstract: A magnetic material is provided, the magnetic material including a powder composite material sintered from at least one magnetizable alloy powder of a high energy density, and fibers admixed with the powder composite. The fibers may be aligned in one direction to improve at least one of high-melting, high-modulus and high-strength material properties.Type: ApplicationFiled: May 9, 2013Publication date: September 19, 2013Applicant: KSB AktiengesellschaftInventor: Dirk Ingmar Uhlenhaut
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Patent number: 8523976Abstract: The present invention relates to a metal powder mixture that is suitable for producing sintered bodies. The powder mixture is suitable as a binder for hard metals and contains: a) at least one prealloyed powder selected from the group of iron/nickel, iron/cobalt, iron/nickel/cobalt and nickel/cobalt; b) at least one element powder selected from the group of iron, nickel and cobalt or a prealloyed powder selected from the group consisting of iron/nickel, iron/cobalt, iron/nickel/cobalt and nickel/cobalt which is different from component a). The invention also relates to a cemented hard material which uses the inventive powder mixture and a hard material powder, wherein the overall composition of the components a) and b) together contains not more than 90% by weight of cobalt and not more than 70% by weight of nickel and the iron content.Type: GrantFiled: September 21, 2007Date of Patent: September 3, 2013Assignee: H.C. Starck GmbHInventors: Benno Gries, Leo Prakash
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Patent number: 8524148Abstract: A method of making a medical device which is at least partially bio-erodible and which exhibits controlled elution of therapeutic agent.Type: GrantFiled: November 27, 2006Date of Patent: September 3, 2013Assignee: Abbott LaboratoriesInventors: Sanjay Shrivastava, John Toner, Sandra Burke, Keith Cromack, Peter Tarcha, Donald Verlee, Ho-Wah Hui
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Publication number: 20130164165Abstract: Disclosed is a method of forming a multi-element thermoelectric alloy. A plurality of binary alloys and milling balls are put in a milling pot to perform a ball-milling process to obtain a multi-element thermoelectric alloy powders. The milling balls have a diameter of 1 mm to 10 mm. The milling balls and the binary alloys have a weight ratio of 1:1 to 50:1. The rotation rate of the ball-milling process is of 200 rpm to 1000 rpm. The ball-milling process is processed for 4 hours to 12 hours.Type: ApplicationFiled: March 29, 2012Publication date: June 27, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chien-Hsuan Yeh, Ya-Wen Chou, Chia-Hung Kuo
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Publication number: 20130149185Abstract: A method for producing a Fe—Co based target material for forming a soft magnetic thin-film comprising the steps of: preparing a first raw-material powder having an Fe:Co weight ratio ranging from 8:2 to 7:3 and a second raw-material powder having an Fe—Co weight ratio ranging from 2:8 to 0:10; mixing the first raw-material powder and the second raw-material powder together to obtain a powder mixture having an Fe:Co weight ratio ranging from 8:2 to 2:8; and applying a pressure of not less than 100 MPa to the powder mixture at a temperature ranging from 1073 to 1473 K for consolidation. At least one additional element selected from the group consisting of Nb, Zr, Ta and Hf is added to either one or both of the first and second raw-material powders in a total amount of 3 to 15 atom % with respect to the total amount of the powder mixture.Type: ApplicationFiled: February 11, 2013Publication date: June 13, 2013Applicant: SANYO SPECIAL STEEL CO., LTD.Inventor: SANYO SPECIAL STEEL CO., LTD.
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Patent number: 8440100Abstract: A ternary hydrogen storage system having a constant stoichiometric molar ratio of LiNH2:MgH2:LiBH4 of 2:1:1. It was found that the incorporation of MgH2 particles of approximately 10 nm to 20 nm exhibit a lower initial hydrogen release temperature of 150° C. Furthermore, it is observed that the particle size of LiBNH quaternary hydride has a significant effect on the hydrogen sorption concentration with an optimum size of 28 nm. The as-synthesized hydrides exhibit two main hydrogen release temperatures, one around 160° C. and the other around 300° C., with the main hydrogen release temperature reduced from 310° C. to 270° C., while hydrogen is first reversibly released at temperatures as low as 150° C. with a total hydrogen capacity of 6 wt. % to 8 wt. %. Detailed thermal, capacity, structural and microstructural properties have been demonstrated and correlated with the activation energies of these materials.Type: GrantFiled: March 16, 2012Date of Patent: May 14, 2013Assignee: University of South FloridaInventors: Sesha S. Srinivasan, Michael U. Niemann, D. Yogi Goswami, Elias K. Stefanakos
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Patent number: 8409498Abstract: A sputter target material which is of a sintered material, wherein the sputter target material consists of 0.5 to 50 atomic % in total of at least one metal element (M) selected from the group of Ti, Zr, V, Nb and Cr, and the balance of Mo and unavoidable impurities, and has a microstructure seen at a perpendicular cross section to a sputtering surface, in which microstructure oxide particles exist near a boundary of each island of the metal element (M), and wherein the maximum area of the island, which is defined by connecting the oxide particles with linear lines so as to form a closed zone, is not more than 1.0 mm2.Type: GrantFiled: June 5, 2009Date of Patent: April 2, 2013Assignee: Hitachi Metals, Ltd.Inventors: Keisuke Inoue, Tsuyoshi Fukui, Shigeru Taniguchi, Norio Uemura, Katsunori Iwasaki, Kazuya Saitoh
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Patent number: 8390122Abstract: Methods are generally provided for forming a conductive oxide layer on a substrate. In one particular embodiment, the method can include sputtering a transparent conductive oxide layer (e.g., including cadmium stannate) on a substrate from a target in a sputtering atmosphere comprising cadmium. The transparent conductive oxide layer can be sputtered at a sputtering temperature greater of about 100° C. to about 600° C. Methods are also generally provided for manufacturing a cadmium telluride based thin film photovoltaic device.Type: GrantFiled: September 19, 2011Date of Patent: March 5, 2013Assignee: Primestar Solar, Inc.Inventor: Scott Daniel Feldman-Peabody
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Publication number: 20130039796Abstract: A master alloy used to produce the steel part and a process for producing a sinter hardened steel part from the master alloy are described. The powdered master alloy having a composition of iron, about 1 to less than 5 weight % C, about 3 to less than 15 weight % Mn, and about 3 to less than 15 weight % Cr, wherein the master alloy comprises a microstructure composed of a solid solution of the alloying elements and carbon, the microstructure comprising at least 10 volume % austenite and the remainder as iron compounds. The process comprises: preparing the master alloy, mixing the master alloy with a steel powder to produce a mixture wherein the weight % of the master alloy is from 5 to 35 weight % of the mixture, compacting the mixture into a shape of a part and sintering the mixture to produce the steel part, and controlling the cooling rate after sintering to produce sinter hardening. The master alloy powder can also be used as a sinter hardening enhancer when mixed with low-alloy steel powders.Type: ApplicationFiled: February 15, 2011Publication date: February 14, 2013Inventors: Gilles L'Esperance, Ian Bailon-Poujol, Denis Christopherson, JR.
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Patent number: 8366994Abstract: A method for manufacturing a cobalt (Co) alloy-based ceramic composite sputtering target is provided. A cobalt ingot and a chromium (Cr) ingot are melted in vacuum and then nebulized to form a cobalt-chromium (CoCr) alloy powder. Additionally, a ceramic powder and a platinum powder are wetly mixed to form a platinum-ceramic (Pt-ceramic) slurry, in which the ceramic powder is applied onto the platinum powder's surface uniformly. Next, the CoCr alloy powder and the Pt-ceramic slurry are wetly mixed to form a CoCrPt-ceramic slurry. Thereafter, the CoCrPt-ceramic slurry is dried, molded and compressed to form the cobalt alloy-based ceramic composite sputtering target. The resulted cobalt alloy-based ceramic composite sputtering target, which has a fine and dense structure, uniform composition and lower magnetic permeability, is beneficial to a magnetron sputter deposition process, as well as a film sputtering process used in the magnetic recording industry.Type: GrantFiled: November 4, 2010Date of Patent: February 5, 2013Assignee: China Steel CorporationInventors: Rong-Zhi Chen, Chun-Hao Chiu, Jui-Tung Chang, Deng-Far Hsu, Chih-Huang Lai
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Patent number: 8359743Abstract: A valve sealant fitting includes a spring coupling unit having an internal screw thread for coupling unit assembly below the ball installation groove of the sealant body, the internal screw thread having a hexagonal groove for preventing a downward separation of the coil spring, allowing a fluid to flow and facilitating fastening and releasing of the screw, and having an external screw thread at an outer circumference of the spring coupling unit, and outer sealing O-rings disposed in O-ring installation grooves formed on respective upper and lower positions of the valve coupling taper screw part formed on the outer lower side of the sealant body.Type: GrantFiled: February 27, 2009Date of Patent: January 29, 2013Inventors: Do A Kim, Seong Cheol Han