Refractory Metal Containing (ti, V, Cr, Zr, Nb, Mo, Hf, Ta, Or W) Patents (Class 423/297)
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Patent number: 10777806Abstract: An energy storage device including a first electrode comprising lithium, a second electrode comprising a metal diboride, an electrolyte disposed between the first electrode and the second electrode and providing a conductive pathway for lithium ions to move to and from the first electrode and the second electrode, and a separator within the electrolyte and between the first electrode and the second electrode. A method of forming an energy storage device including forming a first electrode to include lithium, forming a second electrode to include a metal diboride, disposing an electrolyte between the first electrode and the second electrode, the electrolyte providing a conductive pathway for lithium ions to move to and from the first electrode and the second electrode, and disposing a separator within the electrolyte and between the first electrode and the second electrode.Type: GrantFiled: March 29, 2018Date of Patent: September 15, 2020Assignees: Baker Hughes, a GE company, LLC, William Marsh Rice UniversityInventors: Zhou Zhou, Keiko Kato, Ganguli Babu, Valery N. Khabashesku, Pulickel M. Ajayan
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Patent number: 9822016Abstract: A method to recycle TiB2 articles, and in particular, a method to recycle a TiB2 feedstock including TiB2 articles and Ti-ore and/or Ti-slag by chlorination.Type: GrantFiled: November 4, 2015Date of Patent: November 21, 2017Assignee: Alcoa USA Corp.Inventors: Mark L. Weaver, Andrew L. Schnitgen, Robert A. DiMilia, Frankie A. Phelps, James C. McMillen
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Publication number: 20150140331Abstract: Embodiments of the present disclosure include metal boride nanoparticles, methods of making metal boride nanoparticles, methods of using metal boride nanoparticle, metal oxide nanoparticles, methods of making metal oxide nanoparticles, methods of using metal oxide nanoparticle, and the like.Type: ApplicationFiled: October 17, 2012Publication date: May 21, 2015Applicant: UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC.Inventor: University of Georgia Research Foundation, Inc.
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Patent number: 9017628Abstract: A method of preparing a nanomaterial comprising boron includes sonicating a boron trihalide and/or boron alkoxide in a hydrocarbon solvent with an alkali metal under an inert atmosphere to form a dark solid, and annealing the dark solid at a temperature sufficient to sublime alkali metal salt therein, thereby obtaining a boron nanomaterial. Reacting with a Group IVB metal produces a metal boride, and combining an alkali metal salt of a hydrocarbon with the boron trihalide prior to sonicating produces a carbonaceous boron material.Type: GrantFiled: November 25, 2013Date of Patent: April 28, 2015Assignee: The United States of America, as represented by the Secretary of the NavyInventor: Andrew P. Purdy
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Patent number: 8883371Abstract: Hydrogen storage materials are provided that may be capable of a hydrogenated state and dehydrogenated state. The hydrogen storage material comprises a plurality of hydrogen storage molecular units. Each hydrogen storage molecular unit comprises a transition metal bonded to one or more elements from period 2 of the periodic table, wherein the hydrogen storage material includes at least 6.5% molecular hydrogen by weight when in the hydrogenated state and is stable at temperatures below about 200° C. and at pressures of about 1 atm and below. The hydrogen storage materials may be used in conjunction with fuel cells in portable electronic devices.Type: GrantFiled: October 16, 2007Date of Patent: November 11, 2014Assignee: Motorola Mobility LLCInventors: Joydeep Bhattacharjee, Kota V. R. M. Murali
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Patent number: 8865301Abstract: A composition having nanoparticles of a refractory-metal boride and a carbonaceous matrix. The composition is not in the form of a powder. A composition comprising a metal component, boron, and an organic component. The metal component is nanoparticles or particles of a refractory metal or a refractory-metal compound capable of decomposing into refractory metal nanoparticles. The organic component is an organic compound having a char yield of at least 60% by weight or a thermoset made from the organic compound. A method of combining particles of a refractory metal or a refractory-metal compound capable of reacting or decomposing into refractory-metal nanoparticles, boron, and an organic compound having a char yield of at least 60% by weight to form a precursor mixture. A composition having nanoparticles of a refractory-metal boride that is not in the form of a powder.Type: GrantFiled: February 15, 2013Date of Patent: October 21, 2014Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Teddy M Keller, Andrew Saab, Matthew Laskoski, Syed B Qadri
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Publication number: 20140272116Abstract: The invention relates to titanium diboride granules comprising aggregates of titanium diboride primary particles, wherein the titanium diboride granules have a rounded shape and are fracture-resistant. The invention further relates to a method for producing these titanium diboride granules, the use thereof for covering graphite cathodes in electrolytic cells in Al fused-salt electrolysis or for repairing holes in cathode bases of electrolytic cells and also a method for repairing holes in cathode bases of electrolytic cells.Type: ApplicationFiled: August 2, 2012Publication date: September 18, 2014Applicant: ESK CERAMICS GMBH & CO. KGInventors: Martin Engler, Georg Victor
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Publication number: 20140147364Abstract: A method of preparing a nanomaterial comprising boron includes sonicating a boron trihalide and/or boron alkoxide in a hydrocarbon solvent with an alkali metal under an inert atmosphere to form a dark solid, and annealing the dark solid at a temperature sufficient to sublime alkali metal salt therein, thereby obtaining a boron nanomaterial. Reacting with a Group IVB metal produces a metal boride, and combining an alkali metal salt of a hydrocarbon with the boron trihalide prior to sonicating produces a carbonaceous boron material.Type: ApplicationFiled: November 25, 2013Publication date: May 29, 2014Inventor: Andrew P. Purdy
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Publication number: 20140134090Abstract: The invention provides a preparation process of transition metal boride, comprising the following steps: A) aluminum is put in a reactor, inert gas is fed into the reactor after evacuation, the reactor is heated up to 700 to 800° C. and then added with dry potassium fluoborate or sodium fluoborate, monomer boron and cryolite are generated by rapid stirring and reaction for 4 to 6 hours, and the molten liquid at the upper layer is sucked out and the monomer boron is obtained by means of separation; and B) the obtained monomer boron is added with transition metal for reaction at the temperature from 1800 to 2200° C. in order to generate corresponding transition metal boride.Type: ApplicationFiled: January 22, 2014Publication date: May 15, 2014Applicant: SHENZHEN SUNXING LIGHT ALLOYS MATERIALS CO.,LTDInventors: Xuemin CHEN, Jun YANG, Zhihong LI, Weiping WU
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Patent number: 8709368Abstract: The invention provides a preparation process of transition metal boride, comprising the following steps: A) aluminum is put in a reactor, inert gas is fed into the reactor after evacuation, the reactor is heated up to 700 to 800° C. and then added with dry potassium fluoborate or sodium fluoborate, monomer boron and cryolite are generated by rapid stirring and reaction for 4 to 6 hours, and the molten liquid at the upper layer is sucked out and the monomer boron is obtained by means of separation; and B) the obtained monomer boron is added with transition metal for reaction at the temperature from 1800 to 2200° C. in order to generate corresponding transition metal boride.Type: GrantFiled: December 9, 2012Date of Patent: April 29, 2014Assignee: Shenzhen Sunxing Light Alloys Materials Co., Ltd.Inventors: Xuemin Chen, Jun Yang, Zhihong Li, Weiping Wu
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Patent number: 8691343Abstract: Composite structures having a reinforced material interjoined with a substrate and methods of creating a composite material interjoined with a substrate. In some embodiments the composite structure may be a line or a spot or formed by reinforced material interjoined with the substrate. The methods typically include disposing a precursor material comprising titanium diboride and/or titanium monoboride on at least a portion of the substrate and heating the precursor material and the at least a portion of the substrate in the presence of an oxidation preventative until at least a portion of the precursor material forms reinforced material interjoined with the substrate. The precursor material may be disposed on the substrate as a sheet or a tape or a slurry or a paste. Localized surface heating may be used to heat the precursor material. The reinforced material typically comprises a titanium boron compound, such as titanium monoboride, and preferably comprises ?-titanium.Type: GrantFiled: May 16, 2008Date of Patent: April 8, 2014Assignee: Babcock & Wilcox Technical Services Y-12, LLCInventors: Roland D Seals, Edward B Ripley, Russell L Hallman
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Publication number: 20140062295Abstract: Disclosed is a lamp comprising a ceramic discharge vessel (3) with end parts (34) and with electrodes (4) which are connected to a respective external contact via a respective feedthrough (20). Each feedthrough is sealed with a sealing part (40) thereof by a sealing compound (10) in the end part. The discharge vessel gastightly encloses a discharge space into which said two electrodes extend from the end part and which contains an ionizable filling. The sealing compound comprises at least one first component chosen from the group consisting of ruthenium (Ru), iridium (Ir), osmium (Os) and rhenium (Re), and comprises at least one second component chosen from the group consisting of silicium (Si), boron (B), phosphor (P). Thus, a halide resistant lamp vessel is obtained exhibiting excellent lifetime characteristics and long lifetimes.Type: ApplicationFiled: April 27, 2012Publication date: March 6, 2014Applicant: KONINKLIJKE PHILIPS N.V.Inventors: Cornelis Johannes Maria Denissen, Martinus Joseph Maria Kessels, Ton Reinier Mulderij
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Patent number: 8641996Abstract: A cyclic preparation method including the following steps: a) boric acid or boric anhydride is added with hydrofluoric acid and then with potassium sulfate for reaction to generate potassium fluoborate; titanium-iron concentrate is added with hydrofluoric acid and then with potassium sulfate for reaction to generate potassium fluotitanate; B) the potassium fluoborate is mixed with the potassium fluotitanate, and the mixture reacts with aluminum to generate titanium boride and potassium cryolite; C) the potassium cryolite is sucked out and then fed into a rotary reaction kettle together with concentrated sulfuric acid, hydrogen fluoride gas as well as potassium sulfate and potassium aluminum sulfate are generated by reaction in the rotary reaction kettle, and the hydrogen fluoride gas is collected and then dissolved in water to obtain hydrofluoric acid aqueous solution; and D) the obtained hydrofluoric acid aqueous solution and potassium sulfate aqueous solution are recycled.Type: GrantFiled: December 9, 2012Date of Patent: February 4, 2014Assignee: Shenzhen Sunxing Light Alloys Materials Co., Ltd.Inventors: Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang, Zhi Zhou
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Patent number: 8637161Abstract: A coated article is provided. A coated article includes a composite substrate made from carbon fiber and zirconium diboride. A chromium layer is deposited on the substrate. A chromium diffusing layer is formed between the substrate and the chromium layer. A chromium-nitrogen layer is deposited on the chromium layer. A iridium layer is deposited on the chromium-nitrogen layer opposite to the chromium layer, wherein the chromium-nitrogen layer includes a first chromium-nitrogen layer and a second chromium-nitrogen layer. The first chromium-nitrogen layer abuts the chromium layer. The second chromium-nitrogen layer abuts the iridium layer. The atomic nitrogen content in the first chromium-nitrogen layer gradually increases with the thickness of the first chromium-nitrogen layer. The atomic nitrogen content in the second chromium-nitrogen layer gradually decreases with the thickness of the second chromium-nitrogen layer.Type: GrantFiled: August 10, 2011Date of Patent: January 28, 2014Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd, Hon Hai Precision Industry Co., Ltd.Inventors: Hsin-Pei Chang, Wen-Rong Chen, Huann-Wu Chiang, Cheng-Shi Chen, Cong Li
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Patent number: 8585995Abstract: A high purity ZrB2 powder having a purity of 99.9 wt % or higher excluding C and gas components, and a manufacturing method of such high purity ZrB2 powder, including the steps of: subjecting a Zr sponge raw material to electron beam melting and casting to prepare an ingot having a purity of 99.9 wt % or higher; cutting the ingot into a cut powder and hydrogenating the cut powder into ZrH2; pulverizing and dehydrogenating the resultant product into a Zr powder and oxidizing the Zr powder at a high temperature in an oxygen atmosphere into a ZrO2 fine powder; and mixing the ZrO2 fine powder with B having a purity of 99.9 wt % or higher so as to reduce ZrO2 and obtain a ZrB2 powder having a purity of 99.9 wt % or higher. Purity of the ZrB2 powder for use in sintering is made to be 99.Type: GrantFiled: September 5, 2005Date of Patent: November 19, 2013Assignee: JX Nippon Mining & Metals CorporationInventors: Yuichiro Shindo, Kouichi Takemoto
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Publication number: 20130302645Abstract: An article includes a microscale composite material having a matrix with titanium boride particles configured to form an insert in a metallic mass being comprised of material other than a consolidated titanium-based metallic composition having titanium particles.Type: ApplicationFiled: July 25, 2013Publication date: November 14, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Andrew Philip WOODFIELD, Eric Allen OTT, Clifford Earl SHAMBLEN
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Patent number: 8574526Abstract: A cyclic preparation method for producing titanium boride from intermediate feedstock sodium-based titanium-boron-fluorine salt mixture and producing sodium cryolite as byproduct, which comprises the steps: a) boric acid or boric anhydride is added with hydrofluoric acid and then with sodium carbonate solution for concentration and crystallization to generate sodium fluoborate; titanium-iron concentrate is added with hydrofluoric acid and then with sodium carbonate and sodium hydroxide to obtain sodium fluotitanate; B) the sodium fluoborate is mixed with the sodium fluotitanate, and the mixture reacts with aluminum to generate titanium boride and sodium cryolite; C) the sodium cryolite is sucked out and then fed into a rotary reaction kettle together with concentrated sulfuric acid, hydrogen fluoride gas as well as sodium sulfate and sodium aluminum sulfate are generated by reaction in the rotary reaction kettle, and the hydrogen fluoride gas is collected and then dissolved in water to obtain hydrofluoric aciType: GrantFiled: December 8, 2012Date of Patent: November 5, 2013Assignee: Shenzhen Sunxing Light Alloys Materials Co., Ltd.Inventors: Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang, Zhi Zhou
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Patent number: 8557208Abstract: One embodiment of the present disclosure provides a method of making a ceramic material that contains boron and a metal. A metal source, an oxidizer, a boron source, and a fuel source are combined. These reactants are then heated at, or to, a temperature sufficient to initiate a combustion reaction. The combustion reaction produces a ceramic material that includes boron and the metal. The present disclosure also provides materials formed by the disclosed method, as well as methods and systems using such materials.Type: GrantFiled: May 26, 2009Date of Patent: October 15, 2013Assignee: Board of Regents of the Nevada System of Higher Education, on behalf of the University of Nevada, RenoInventors: Olivia A. Graeve, Raghunath Kanakala, Gabriel Rojas-George
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Patent number: 8518287Abstract: A dichalcogenide thermoelectric material having a very low thermal conductivity in comparison with a conventional metal or semiconductor is described. The dichalcogenide thermoelectric material has a structure of Formula 1 below: RX2-aYa??Formula 1 wherein R is a rare earth or transition metal magnetic element, X and Y are each independently an element selected from the group consisting of S, Se, Te, P, As, Sb, Bi, C, Si, Ge, Sn, B, Al, Ga, In, and a combination thereof, and 0?a<2.Type: GrantFiled: April 3, 2009Date of Patent: August 27, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-soo Rhyee, Sang-mock Lee
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Publication number: 20130196133Abstract: A composition having nanoparticles of a refractory-metal boride and a carbonaceous matrix. The composition is not in the form of a powder. A composition comprising a metal component, boron, and an organic component. The metal component is nanoparticles or particles of a refractory metal or a refractory-metal compound capable of decomposing into refractory metal nanoparticles. The organic component is an organic compound having a char yield of at least 60% by weight or a thermoset made from the organic compound. A method of combining particles of a refractory metal or a refractory-metal compound capable of reacting or decomposing into refractory-metal nanoparticles, boron, and an organic compound having a char yield of at least 60% by weight to form a precursor mixture. A composition having nanoparticles of a refractory-metal boride that is not in the form of a powder.Type: ApplicationFiled: February 15, 2013Publication date: August 1, 2013Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Teddy M. Keller, Andrew Saab, Matthew Laskoski, Syed B. Qadri
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Patent number: 8449845Abstract: In light of the recent analytical technology demanded of fast and accurate measurement of high purity materials, a zirconium crucible is provided for melting an analytical sample and is capable of inhibiting the inclusion of impurities from the crucible by using a high-purity crucible, improving the durability of high-purity zirconium as an expensive crucible material, and increasing the number of times that the zirconium crucible can be used. With this zirconium crucible used for melting an analytical sample in the pretreatment of the analytical sample, the purity excluding gas components is 3N or higher, and the content of carbon as a gas component is 100 mass ppm or less.Type: GrantFiled: August 8, 2008Date of Patent: May 28, 2013Assignee: JX Nippon Mining & Metals CorporationInventors: Yuichiro Shindo, Masahiro Sakaguchi, Mitsuru Yamaguchi
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Patent number: 8449855Abstract: The invention is related to a boride of a metal of transition group four of the periodic table of the elements, wherein at least 40 wt. % of the particles have a grain size of more than 106 ?m, determined by sieve analysis according to ASTM B 214, and these particles consist of grown, monocrystalline grains. The invention also relates to a cermet, wettable powder and a surface coating which contain the boride. The invention further relates to a process to prepare the boride. The invention additionally relates to a process to prepare a cermet or a wettable powder.Type: GrantFiled: February 18, 2011Date of Patent: May 28, 2013Assignee: H.C. Starck GmbH & Co. KGInventors: Frank Schrumpf, Wolfgang Kiliani, Stefan Frässle, Thomas Schmidt
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Publication number: 20130095022Abstract: The invention provides a preparation process of transition metal boride, comprising the following steps: A) aluminum is put in a reactor, inert gas is fed into the reactor after evacuation, the reactor is heated up to 700 to 800° C. and then added with dry potassium fluoborate or sodium fluoborate, monomer boron and cryolite are generated by rapid stirring and reaction for 4 to 6 hours, and the molten liquid at the upper layer is sucked out and the monomer boron is obtained by means of separation; and B) the obtained monomer boron is added with transition metal for reaction at the temperature from 1800 to 2200° C. in order to generate corresponding transition metal boride.Type: ApplicationFiled: December 9, 2012Publication date: April 18, 2013Applicant: SHENZHEN SUNXING LIGHT ALLOYS MATERIALS CO.,LTDInventor: Shenzhen Sunxing Light Alloys Materials Co., Ltd.
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Publication number: 20130095020Abstract: A cyclic preparation method for producing titanium boride from intermediate feedstock sodium-based titanium-boron-fluorine salt mixture and producing sodium cryolite as byproduct, which comprises the steps: a) boric acid or boric anhydride is added with hydrofluoric acid and then with sodium carbonate solution for concentration and crystallization to generate sodium fluoborate; titanium-iron concentrate is added with hydrofluoric acid and then with sodium carbonate and sodium hydroxide to obtain sodium fluotitanate; B) the sodium fluoborate is mixed with the sodium fluotitanate, and the mixture reacts with aluminum to generate titanium boride and sodium cryolite; C) the sodium cryolite is sucked out and then fed into a rotary reaction kettle together with concentrated sulfuric acid, hydrogen fluoride gas as well as sodium sulfate and sodium aluminum sulfate are generated by reaction in the rotary reaction kettle, and the hydrogen fluoride gas is collected and then dissolved in water to obtain hydrofluoric aciType: ApplicationFiled: December 8, 2012Publication date: April 18, 2013Applicant: SHENZHEN SUNXING LIGHT ALLOYS MATERIALS CO.,LTDInventor: Shenzhen Sunxing Light Alloys Materials Co.,Ltd
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Publication number: 20130095021Abstract: A cyclic preparation method including the following steps: a) boric acid or boric anhydride is added with hydrofluoric acid and then with potassium sulfate for reaction to generate potassium fluoborate; titanium-iron concentrate is added with hydrofluoric acid and then with potassium sulfate for reaction to generate potassium fluotitanate; B) the potassium fluoborate is mixed with the potassium fluotitanate, and the mixture reacts with aluminum to generate titanium boride and potassium cryolite; C) the potassium cryolite is sucked out and then fed into a rotary reaction kettle together with concentrated sulfuric acid, hydrogen fluoride gas as well as potassium sulfate and potassium aluminum sulfate are generated by reaction in the rotary reaction kettle, and the hydrogen fluoride gas is collected and then dissolved in water to obtain hydrofluoric acid aqueous solution; and D) the obtained hydrofluoric acid aqueous solution and potassium sulfate aqueous solution are recycled.Type: ApplicationFiled: December 9, 2012Publication date: April 18, 2013Applicant: SHENZHEN SUNXING LIGHT ALLOYS MATERIALS CO.,LTDInventor: Shenzhen Sunxing Light Alloys Materials Co., Ltd.
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Publication number: 20130004401Abstract: The disclosure provides a device and method used to produce a tubular structure made of a refractory metal compound. In particular, the disclosure provides a device and method used to produce a tubular structure made of a refractory metal compound by reacting a green tubular structure made of a refractory metal with at least one reactive gas.Type: ApplicationFiled: June 28, 2011Publication date: January 3, 2013Applicant: NITRIDE SOLUTIONS INC.Inventor: Jason Schmitt
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Patent number: 8343449Abstract: The disclosure provides a device and method used to produce a tubular structure made of a refractory metal compound. In particular, the disclosure provides a device and method used to produce a tubular structure made of a refractory metal compound by reacting a green tubular structure made of a refractory metal with at least one reactive gas.Type: GrantFiled: June 28, 2011Date of Patent: January 1, 2013Assignee: Nitride Solutions, Inc.Inventor: Jason Schmitt
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Publication number: 20120315207Abstract: Methods for the synthesis of metal borides. Metal boride compounds synthesized by those methods are also disclosed.Type: ApplicationFiled: April 23, 2012Publication date: December 13, 2012Applicants: UCHICAGO ARGONNE, LLC, BOARD OF TRUSTEES OF SOUTHERN ILLINOIS UNIVERSITYInventors: Rasit Koc, Jennifer R. Mawdsley, John David Carter
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Publication number: 20120295783Abstract: Methods of converting shaped templates into shaped metal-containing components, allowing for the production of freestanding, porous metal-containing replicas whose shapes and microstructures are derived from a shaped template, and partially or fully converting the shaped templates to produce metal-containing coatings on an underlying shaped template are described herein. Such coatings and replicas can be applied in a variety of fields including, but not limited to, catalysis, energy storage and conversion, and various structural or refractory materials and structural or refractory composite materials.Type: ApplicationFiled: February 1, 2011Publication date: November 22, 2012Applicant: Georgia Tech Research CorporationInventors: David W. Lipke, Kenneth H. Sandhage
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Publication number: 20120276750Abstract: A method and apparatus are presented for reducing halide-based contamination within deposited titanium-based thin films. Halide adsorbing materials are utilized within the deposition chamber to remove halides, such as chlorine and chlorides, during the deposition process so that contamination of the titanium-based film is minimized. A method for regenerating the halide adsorbing material is also provided.Type: ApplicationFiled: July 3, 2012Publication date: November 1, 2012Applicant: MICRON TECHNOLOGY, INC.Inventors: Garo J. Derderian, Cem Basceri, Donald L. Westmoreland
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Publication number: 20120244057Abstract: The present disclosure is directed towards methods of making titanium diboride products in various sizes. An aspect of the method provides (a) selecting a target average particle size for a target titanium diboride product; (b) selecting at least one processing variable from the group consisting of: an amount of sulfur, an inert gas flow rate, a soak time, and a reaction temperature; (c) selecting a condition of the processing variable based upon the target average particle size; and (d) producing an actual titanium diboride product having an actual average particle size using the at least one processing variable, wherein due to the at least one processing variable, the actual average particle size corresponds to the target average particle size.Type: ApplicationFiled: June 6, 2012Publication date: September 27, 2012Applicant: ALCOA INC.Inventor: James C. McMillen
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Publication number: 20120231159Abstract: A method of producing a reactive powder includes providing a bulk structure of reactive material comprising a first reactant and a second reactant, the bulk structure having a preselected average spacing between the first and the second reactants; and mechanically processing the bulk structure of reactive material to produce a plurality of particles from the bulk structure such that each of the plurality of particles comprises the first and second reactants having an average spacing that is substantially equal to the preselected average spacing of the bulk structure of reactive material. The first and second materials of the plurality of particles react with each other in an exothermic reaction upon being exposed to a threshold energy to initiate the exothermic reaction and remain substantially stable without reacting with each other prior to being exposed to the threshold energy.Type: ApplicationFiled: October 25, 2010Publication date: September 13, 2012Applicant: The Johns Hopkins UniversityInventors: Timothy P. Weihs, Adam Stover
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Publication number: 20120177556Abstract: One embodiment of the present disclosure provides a method of making a ceramic material that contains boron and a metal. A metal source, an oxidizer, a boron source, and a fuel source are combined. These reactants are then heated at, or to, a temperature sufficient to initiate a combustion reaction. The combustion reaction produces a ceramic material that includes boron and the metal. The present disclosure also provides materials formed by the disclosed method, as well as methods and systems using such materials.Type: ApplicationFiled: May 26, 2009Publication date: July 12, 2012Inventors: Olivia A. Graeve, Raghunath Kanakala, Gabriel Rojas-George
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Patent number: 8216536Abstract: The present disclosure is directed towards methods of making titanium diboride products in various sizes. An aspect of the method provides (a) selecting a target average particle size for a target titanium diboride product; (b) selecting at least one processing variable from the group consisting of: an amount of sulfur, an inert gas flow rate, a soak time, and a reaction temperature; (c) selecting a condition of the processing variable based upon the target average particle size; and (d) producing an actual titanium diboride product having an actual average particle size using the at least one processing variable, wherein due to the at least one processing variable, the actual average particle size corresponds to the target average particle size.Type: GrantFiled: October 29, 2010Date of Patent: July 10, 2012Assignee: Alcoa Inc.Inventor: James C. McMillen
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Patent number: 8142749Abstract: Additions of substitutional transition metal elements are made to improve the densifiability of titanium diboride while eliminating or minimizing the presence of deleterious grain boundary phases in the resultant bulk titanium diboride articles.Type: GrantFiled: October 4, 2009Date of Patent: March 27, 2012Assignee: Kennametal Inc.Inventors: Sean E. Landwehr, Russell L. Yeckley
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Publication number: 20120034141Abstract: The present disclosure generally relates to Vanadium Boride nanoparticle synthesis. In some examples, a method is described that includes fluorine based Vanadium Boride nanoparticle synthesis. In some examples, the method includes providing Vanadium Boride battery waste products, treating the battery waste products to treat precursors for fluoridation, heating the precursors for fluoridation to form VF3 and BH3 and heating the VF3 and BH3 to form VB2 nanorods in a liquid mixture, wherein the method is performed at less than approximately 700° C.Type: ApplicationFiled: August 6, 2010Publication date: February 9, 2012Applicant: Empire Technology Development LLCInventor: Ezekiel Kruglick
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Patent number: 8028541Abstract: Disclosed is a method of producing a barium-titanium-based ferroelectric glass using a containerless solidification process, such as an electrostatic levitation process or a gas levitation process, which comprises the steps of levitating a sample 1 of a barium-titanium-based compound by a levitating force of compressed air, heating the sample up to a temperature greater than its melting point (1330° C.) by about 100° C. to allow the sample to be molten, and, after maintaining the molten state for a given time period (at least several second), quenching the sample from a given temperature range (1400 to 1000° C.) at a cooling rate of about 103 K/sec, so as to allow the sample to be solidified while inhibiting nucleation and mixing of impurities from a container. The present invention makes it possible to provide a glass exhibiting an unprecedented, extremely large permittivity.Type: GrantFiled: March 8, 2006Date of Patent: October 4, 2011Assignee: Japan Aerospace Exploration AgencyInventors: Kentei Yono, Takehiko Ishikawa, Yasutomo Arai, Shinichi Yoda
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Publication number: 20110212330Abstract: The invention is related to a boride of a metal of transition group four of the periodic table of the elements, wherein at least 40 wt. % of the particles have a grain size of more than 106 ?m, determined by sieve analysis according to ASTM B 214, and these particles consist of grown, monocrystalline grains. The invention also relates to a cermet, wettable powder and a surface coating which contain the boride. The invention further relates to a process to prepare the boride. The invention additionally relates to a process to prepare a cermet or a wettable powder.Type: ApplicationFiled: February 18, 2011Publication date: September 1, 2011Applicant: H. C. Starck GmbH & Co. KGInventors: Frank Schrumpf, Wolfgang Kiliani, Stefan Frässle, Thomas Schmidt
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Publication number: 20110104033Abstract: The present disclosure is directed towards methods of making titanium diboride products in various sizes. An aspect of the method provides (a) selecting a target average particle size for a target titanium diboride product; (b) selecting at least one processing variable from the group consisting of: an amount of sulfur, an inert gas flow rate, a soak time, and a reaction temperature; (c) selecting a condition of the processing variable based upon the target average particle size; and (d) producing an actual titanium diboride product having an actual average particle size using the at least one processing variable, wherein due to the at least one processing variable, the actual average particle size corresponds to the target average particle size.Type: ApplicationFiled: October 29, 2010Publication date: May 5, 2011Applicant: ALCOA INC.Inventor: James C. McMillen
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Patent number: 7927518Abstract: The invention relates to a metal boride precursor mixture comprising a metal oxide and a boric oxide combined in such a manner so as to produce intimately linked clusters wherein the boric oxide is found within the metal oxide. Furthermore, the invention discloses a carbon composite material made with the metal boride precursor mixture and a carbonaceous component. Finally, the invention also teaches the process for preparing the metal boride precursor mixture comprising steps of providing a metal oxide and a boron oxide, mechanically mixing the metal oxide and the boron oxide at a temperature that liquefies the boron oxide and may impregnate the metal oxide to produce an intimately linked cluster of metal oxide and boric oxide.Type: GrantFiled: November 1, 2007Date of Patent: April 19, 2011Assignee: Alcan International LimitedInventors: Martin Dionne, Jean-Paul Robert Huni
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Patent number: 7854912Abstract: The crystal structure of three compositions of matter has been determined to be iso-structural with FeB ortho-rhombic (space group Pnma). The crystalline structures are: Ti0.5Ta0.5B, Zr0.5Ta0.5B and Hf0.5Ta0.5B. A process for preparing ceramics is disclosed. Molded ceramics including the compositions of matter are useful for applications such as rocket nozzles, leading edges on hypersonic missiles, engine parts and other applications requiring a structural component to operate at temperatures of 1600° C. to 2400° C.Type: GrantFiled: March 21, 2008Date of Patent: December 21, 2010Assignee: The United States of America as represented by the Secretary of the NavyInventors: Inna G. Talmy, James A. Zaykoski, Adrienne H. Smith
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Patent number: 7851417Abstract: A process to prepare a stable solution of a borozirconate complex is disclosed and use of the solution in oil field applications such as hydraulic fracturing and plugging of permeable zones. The process comprises contacting zirconium complex with alkanolamine, then glycerol and water, then with a boron compound. The solution is particularly suitable for use in a cross-linking composition in hydraulic fracturing and plugging of permeable zones of subterranean formations at temperatures of 275° F. (135° C.) and higher in the formation.Type: GrantFiled: December 11, 2007Date of Patent: December 14, 2010Assignee: E.I. du Pont de Nemours and CompanyInventor: Donald Edward Putzig
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Publication number: 20100176339Abstract: An article of jewelry can include a main body can comprise or consist essentially of a titanium boride. The main body can be a titanium boride such as titanium monoboride, titanium diboride, ternary boride, or quaternary boride. Additionally, a method of forming an article of jewelry having a titanium boride microstructure can include forming a powder precursor of a predetermined shape corresponding to a desired jewelry shape, growing titanium boride microstructure from the powder precursor to form a titanium boride main body, recovering the titanium boride main body, and finishing the recovered titanium boride main body into the jewelry shape.Type: ApplicationFiled: January 12, 2009Publication date: July 15, 2010Inventor: K.S. Ravi Chandran
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Patent number: 7732384Abstract: A process is provided to prepare solid borozirconate and solid borotitanate cross-linkers, which comprises contacting zirconium or titanium complex with alkanolamine at particular mole ratios of boron, zirconium or titanium and alkanolamine. Use of the cross-linkers in compositions for oil field applications such as hydraulic fracturing and plugging of permeable zones are also disclosed.Type: GrantFiled: December 21, 2007Date of Patent: June 8, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Donald Edward Putzig, Peter Jernakoff
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Patent number: 7645902Abstract: A method of dehydrogenating an amine-borane using an acid-catalyzed reaction. The method generates hydrogen and produces a solid polymeric [R1R2B—NR3R4]n product. The method of dehydrogenating amine-boranes may be used to generate H2 for portable power sources.Type: GrantFiled: June 22, 2006Date of Patent: January 12, 2010Assignee: Los Alamos National Security, LLCInventors: Frances Helen Stephens, Ralph Thomas Baker
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Publication number: 20090282949Abstract: Composite structures having a reinforced material interjoined with a substrate and methods of creating a composite material interjoined with a substrate. In some embodiments the composite structure may be a line or a spot or formed by reinforced material interjoined with the substrate. The methods typically include disposing a precursor material comprising titanium diboride and/or titanium monoboride on at least a portion of the substrate and heating the precursor material and the at least a portion of the substrate in the presence of an oxidation preventative until at least a portion of the precursor material forms reinforced material interjoined with the substrate. The precursor material may be disposed on the substrate as a sheet or a tape or a slurry or a paste. Localized surface heating may be used to heat the precursor material. The reinforced material typically comprises a titanium boron compound, such as titanium monoboride, and preferably comprises ?-titanium.Type: ApplicationFiled: May 16, 2008Publication date: November 19, 2009Applicant: BABCOCK & WILCOX TECHNICAL SERVICES Y-12, LLCInventors: Roland D. Seals, Edward B. Ripley, Russell L. Hallman
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Patent number: 7544837Abstract: A method of dehydrogenating an amine-borane having the formula R1H2N—BH2R2 using base metal catalyst. The method generates hydrogen and produces at least one of a [R1HN—BHR2]m oligomer and a [R1N—BR2]n oligomer. The method of dehydrogenating amine-boranes may be used to generate H2 for portable power sources, such as, but not limited to, fuel cells.Type: GrantFiled: October 30, 2006Date of Patent: June 9, 2009Assignee: Los Alamos National Security, LLCInventors: Johanna Marie Blacquiere, Richard Jeffrey Keaton, Ralph Thomas Baker
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Patent number: 7541013Abstract: The present invention relates to a method for manufacturing a transition metal boride powder. The method for manufacturing a transition metal boride powder includes: i) manufacturing a mixed powder by mixing a transition metal halogenide powder and an alkali metal borohydride powder; ii) charging the mixed powder and a plurality of balls into a reaction vessel; iii) charging an inert gas into the reaction vessel and sealing the reaction vessel; iv) high energy ball milling the mixed powder and manufacturing a composite powder containing a transition metal boride and an alkali metal halogenide; v) washing the composite powder in water, dissolving the alkali metal halogenide in the water and filtering the transition metal borides; and vi) drying the filtered transition metal boride and collecting the transition metal boride powder.Type: GrantFiled: March 21, 2008Date of Patent: June 2, 2009Assignee: Korea Institute of Science and TechnologyInventors: Jae-Hyeok Shim, Ji-Woo Kim, Young-Whan Cho
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Publication number: 20090098423Abstract: Hydrogen storage materials are provided that may be capable of a hydrogenated state and dehydrogenated state. The hydrogen storage material comprises a plurality of hydrogen storage molecular units. Each hydrogen storage molecular unit comprises a transition metal bonded to one or more elements from period 2 of the periodic table, wherein the hydrogen storage material includes at least 6.5% molecular hydrogen by weight when in the hydrogenated state and is stable at temperatures below about 200° C. and at pressures of about 1 atm and below. The hydrogen storage materials may be used in conjunction with fuel cells in portable electronic devices.Type: ApplicationFiled: October 16, 2007Publication date: April 16, 2009Applicant: MOTOROLA, INC.Inventors: Joydeep Bhattacharjee, Kota V.R. M. Murali
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Patent number: 7501081Abstract: A nanostructured monolithic titanium boride (TiB) material and methods of forming such a material are disclosed and described. This material has a room-temperature four-point flexural strength about three times that of commercially available titanium diboride (TiB2). The achievement of nanostructured internal microstructural arrangement having a network of interconnected titanium monoboride whiskers affords a very high strength to this material above some of the best ceramic materials available in the market. The material contains a small amount of titanium and a densifier, but it is largely made of TiB phase with substantially no TiB2. The nanostructured monolithic titanium boride material can be formed by high temperature processing of a powder precursor having carefully selected weight and size distributions of titanium powder, titanium diboride powder, and densifier powder.Type: GrantFiled: January 25, 2007Date of Patent: March 10, 2009Assignee: University of Utah Research FoundationInventor: K. S. Ravi Chandran