Iron Containing Patents (Class 420/581)
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Patent number: 10767238Abstract: A ferrosilicon inoculant for gray cast iron containing between 0.1 to 10% by weight strontium, less than 0.35% by weight calcium, 1.5 to 10% by weight aluminum and 0.1 to 15% zirconium, The inoculant, method for producing the inoculant, method for inoculating the melt and a gray cast iron inoculated with the inoculant are covered.Type: GrantFiled: April 15, 2016Date of Patent: September 8, 2020Assignee: ELKEM ASAInventor: Matthew Liptak
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Patent number: 10612105Abstract: A ferrosilicon inoculant for gray cast iron containing between 0.1 to 10% by weight strontium, less than 0.35% by weight calcium, 1.5 to 10% by weight aluminum and 0.1 to 15% zirconium, The inoculant, method for producing the inoculant, method for inoculating the melt and a gray cast iron inoculated with the inoculant are covered.Type: GrantFiled: June 29, 2018Date of Patent: April 7, 2020Assignee: ELKEM ASAInventor: Matthew Liptak
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Patent number: 10553771Abstract: The present invention discloses a type of high figure of merit p-type FeNbHfSb thermoelectric material, whose composition is FeNb1-xHfxSb, wherein x=0.06˜0.2. The present invention also discloses the method to prepare these p-type FeNbHfSb thermoelectric materials. The ingots with nominal composition FeNb1-xHfxSb are prepared by levitation melting of stoichiometric amounts of Fe, Nb, Hf and Sb under an argon atmosphere. The obtained ingots are mechanically milled to get submicron-scale powders. The obtained powders are compacted by spark plasma sintering to obtain the final bulk p-type FeNbHfSb thermoelectric materials. The compositional elements of these p-type FeNbHfSb thermoelectric materials are abundant in the earth crust. The p-type thermoelectric materials also shows good high temperature stability and the preparation method are simple and high-yield. Therefore, the industrial production cost would be relatively cheap. The maximum zT value of the p-type thermoelectric materials is ˜1.Type: GrantFiled: July 16, 2015Date of Patent: February 4, 2020Assignee: ZHEJIANG UNIVERSITYInventors: Tiejun Zhu, Chenguang Fu, Xinbing Zhao
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Patent number: 10294549Abstract: A soft magnetic alloy is provided that consists essentially of 47 weight percent?Co?50 weight percent, 1 weight percent?V?3 weight percent, 0 weight percent?Ni?0.2 weight percent, 0.08 weight percent?Nb?0.12 weight percent, 0 weight percent?C?0.005 weight percent, 0 weight percent?Mn?0.1 weight percent, 0 weight percent?Si?0.1 weight percent, remainder Fe.Type: GrantFiled: June 29, 2012Date of Patent: May 21, 2019Assignee: VACUUMSCHMELZE GMBH & CO. KGInventors: Witold Pieper, Niklas Volbers, Joachim Gerster
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Patent number: 9324470Abstract: A structurally and compositionally disordered electrochemically active alloy material is provided with excellent capacity and cycle life, as well as superior high-rate dischargeability. The alloy employs a disordered A2B4+x(AB5) structure, wherein x is a number between 1 and 4. This crystal structure combined with a tailored amount of electrochemically active AB5 secondary phase material produces superior electrochemical properties.Type: GrantFiled: June 25, 2013Date of Patent: April 26, 2016Assignee: Ovonic Battery Company, Inc.Inventors: Kwo-hsiung Young, Taihei Ouchi
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Patent number: 9315883Abstract: A particle-reinforced high strength and low density steel with improved E-modulus and method for producing the steel.Type: GrantFiled: September 13, 2013Date of Patent: April 19, 2016Assignee: TATA STEEL NEDERLAND TECHNOLOGY BVInventors: Cheng Liu, Christian Theodorus Wilhelmus Lahaye
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Patent number: 9243304Abstract: A soft magnetic alloy is provided that consists essentially of 47 weight percent?Co?50 weight percent, 1 weight percent?V?3 weight percent, 0 weight percent?Ni?0.25 weight percent, 0 weight percent?C?0.007 weight percent, 0 weight percent?Mn?0.1 weight percent, 0 weight percent?Si?0.1 weight percent, at least one of niobium and tantalum in amounts of x weight percent of niobium, y weight percent of tantalum, remainder Fe. The alloy includes 0 weight percent?x<0.15 weight percent, 0 weight percent?y?0.3 weight percent and 0.14 weight percent?(y+2x)?0.3 weight percent. The soft magnetic alloy has been annealed at a temperature in the range of 730° C. to 880° C. for a time of 1 to 6 hours and comprises a yield strength in the range of 200 MPa to 450 MPa and a coercive field strength of 0.3 A/cm to 1.5 A/cm.Type: GrantFiled: June 29, 2012Date of Patent: January 26, 2016Assignee: VACUUMSCHMELZE GMBH & COMPANY KGInventors: Witold Pieper, Niklas Volbers, Joachim Gerster
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Publication number: 20150136195Abstract: The present invention provides a thermoelectric conversion material that is a material comprising elements less poisonous than Te and has a Seebeck coefficient comparable to BiTe. The present invention is a full-Heusler alloy that is represented by the composition formula Fe2+?Ti1+ySi1+z and has ?, y, and z allowing the material to fall within the region surrounded by (Fe, Ti, Si)=(50, 37, 13), (50, 14, 36), (45, 30, 25), (39.5, 25, 35.5), (54, 21, 25), and (55.5, 25, 19.5) by at % in an Fe—Ti—Si ternary alloy phase diagram.Type: ApplicationFiled: November 19, 2014Publication date: May 21, 2015Inventors: Akinori NISHIDE, Jyun HAYAKAWA, Shin YABUCHI, Yosuke KUROSAKI, Naoto FUKATANI
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Publication number: 20140286821Abstract: Alloys including iron, nickel, manganese, aluminum and chromium are disclosed. The alloys have high strength and ductility. The alloys are prepared from readily available transition metals, and can be used in applications where properties similar to steel are necessary or advantageous.Type: ApplicationFiled: March 21, 2014Publication date: September 25, 2014Applicant: The Trustees of Dartmouth CollegeInventors: Ian Baker, Fanling Meng, Jingwen Qiu
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Publication number: 20140251506Abstract: A method of making a single crystal comprises heating a material comprising magnetic anisotropy to a temperature T sufficient to form a melt of the material. A magnetic field of at least about 1 Tesla is applied to the melt at the temperature T, where a magnetic free energy difference ?Gm between different crystallographic axes is greater than a thermal energy kT. While applying the magnetic field, the melt is cooled at a rate of about 30° C./min or higher, and the melt solidifies to form a single crystal of the material.Type: ApplicationFiled: March 8, 2013Publication date: September 11, 2014Inventor: UT-Battelle, LLC
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Publication number: 20140227550Abstract: A ternary magnetic braze alloy and method for applying the braze alloy in areas having limited access. The magnetic braze alloy is a nickel-based braze alloy from the perminvar region of the Ni, Fe, Co phase diagram. The braze alloy includes, by weight percent 8-45% Fe, 0-78% Co, 2.0-4.0% of an element selected from the group consisting of B and Si and combinations thereof, and the balance Ni. The nickel-based braze alloy is characterized by a brazing temperature in the range of 1850-2100° F. The nickel-based braze alloy is magnetic below its Curie temperature.Type: ApplicationFiled: February 12, 2013Publication date: August 14, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Yan CUI, Dechao LIN, Srikanth Chandrudu KOTTILINGAM, Brian Lee TOLLISON
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Publication number: 20140134040Abstract: Provided are raw material alloy flakes for a rare earth sintered magnet and a method for producing the same. The alloy flakes have a roll-cooled face, and (1) contain at least one R selected from rare earth metal elements including Y, B, and the balance M including iron, at a particular ratio; (2) as observed in a micrograph at a magnification of 100× of its roll-cooled face, have not less than 5 crystals each of which is a dendrite grown radially from a point of crystal nucleation, and crosses a line segment corresponding to 880 ?m; and (3) as observed in a micrograph at a magnification of 200× of its section taken generally perpendicularly to its roll-cooled face, have an average distance between R-rich phases of not less than 1 ?m and less than 10 ?m.Type: ApplicationFiled: July 30, 2012Publication date: May 15, 2014Applicant: SANTOKU CORPORATIONInventors: Shinya Tabata, Kazumasa Shitani, Takuya Onimura
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Publication number: 20140120248Abstract: [Problem] To provide a method for producing a sintered R-T-B based magnet which can get a heavy rare-earth element RH diffused efficiently inside a sintered R-T-B based magnet body. [Solution] This method for producing a sintered R-T-B based magnet includes the steps of: providing a sintered R-T-B based magnet body (where R is a rare-earth element and T is a transition metal element which is mostly comprised of Fe); providing an RH diffusion source which is an alloy comprising: 0.Type: ApplicationFiled: June 25, 2012Publication date: May 1, 2014Applicant: HITACHI METALS, LTD.Inventor: Futoshi Kuniyoshi
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Patent number: 8697284Abstract: A negative electrode material is provided for lithium ion batteries offering a high capacity and a long cycle life. It is an alloy material consisting essentially of Si, Al, M1, and M2 wherein M1 is a transition metal, and M2 is a metal element of Groups 4 and 5, and having an Si—Al-M1-M2 alloy phase constituting fine crystal grains and an Si phase precipitating along crystal grain boundaries to form a network.Type: GrantFiled: November 13, 2012Date of Patent: April 15, 2014Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Naofumi Shinya, Takehisa Minowa
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Publication number: 20140065485Abstract: A complex alloy of at least three phases comprising a composite alloy composed of an Si single phase and an Si—Al-M alloy phase, and an L phase offers a negative electrode material. M is an element selected from transition metals and metals of Groups 4 and 5, and L is In, Sn, Sb, Pb or Mg. The negative electrode material provides a lithium ion battery with a high capacity and long life. The material itself is highly conductive and increases the energy density per volume of a lithium ion battery.Type: ApplicationFiled: September 5, 2013Publication date: March 6, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Naofumi Shinya, Takehisa Minowa
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Publication number: 20140010701Abstract: Alloys based on titanium aluminides, such as ? (TiAl) which may be made through the use of casting or powder metallurgical processes and heat treatments. The alloys contain titanium, 38 to 46 atom % aluminum, and 5 to 10 atom % niobium, and they contain composite lamella structures with B19 phase and ? phase there in a volume ratio of the B19 phase to ? phase 0.05:1 and 20:1.Type: ApplicationFiled: June 28, 2013Publication date: January 9, 2014Applicant: GKSS-Forschungszentrum Geesthacht GmbHInventors: Fritz Appel, Jonathan Paul, Michael Oehring
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Publication number: 20130302649Abstract: [Problem to be Solved] To realize a spintronics device with high performance, it is an object of the present invention to provide a Co2Fe-based Heusler alloy having a spin polarization larger than 0.65, and a high performance spintronics devices using the same. [Solution] A Co2Fe(GaxGe1-x) Heusler alloy shows a spin polarization higher than 0.65 by a PCAR method in a region of 0.25<x<0.60 and it has a Curie temperature as high as 1288K. A CPP-GMR device that uses the Co2Fe(GaxGe1-x) Heusler alloy as an electrode exhibits the world's highest MR ratio, an STO device exhibits high output, and an NLSV device exhibits a high spin signal.Type: ApplicationFiled: July 3, 2013Publication date: November 14, 2013Inventors: Yukiko Takahashi, Srinivasan Ananthakrishnan, Varaprasad Bollapragada, Rajanikanth Ammanabrolu, Jaivardhan Sinha, Masamitsu Hayashi, Takao Furubayashi, Shinya Kasai, Shigeyuki Hirayama, Seiji Mitani, Kazuhiro Hono
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Publication number: 20130265127Abstract: Provided are a soft magnetic alloy powder, a compact made from the soft magnetic alloy powder, a powder magnetic core including the compact, and a magnetic element including the powder magnetic core. The soft magnetic alloy powder contains Fe—Ni-based particles containing 38% to 48% by mass Ni, 1.0% to 15% by mass Co, and 1.2% to 10% by mass Si relative to the total mass of Fe, Ni, Co, and Si, the remainder being Fe. The Fe—Ni-based particles have an average size of more than 1 ?m to less than 10 ?m.Type: ApplicationFiled: November 28, 2012Publication date: October 10, 2013Applicant: TDK CORPORATIONInventor: TDK CORPORATION
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Publication number: 20130122368Abstract: A negative electrode material is provided for lithium ion batteries offering a high capacity and a long cycle life. It is an alloy material consisting essentially of Si, Al, M1, and M2 wherein M1 is a transition metal, and M2 is a metal element of Groups 4 and 5, and having an Si—Al-M1?M2 alloy phase constituting fine crystal grains and an Si phase precipitating along crystal grain boundaries to form a network.Type: ApplicationFiled: November 13, 2012Publication date: May 16, 2013Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventor: Shin-Etsu Chemical Co., Ltd.
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Publication number: 20130087251Abstract: A thermoelectric alloy material and thermoelectric element are provided, wherein the thermoelectric alloy material includes a Half-Heusler (HH) composition as matrix. The thermoelectric alloy material is represented by following formula (I): (Zra1Hfb1)x(Fec1Cod1)y(Sbe1Snf1)z ??(I) In the formula (I), 0<a1<1, 0<b1<1, 0<c1<1, 0<d1<1, 0<e1<1, 0<f1<1, a1+b1=1, c1+d1=1, e1+f1=1, c1?f1, and 0.25?x, y, z?0.35.Type: ApplicationFiled: June 6, 2012Publication date: April 11, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yion-Ni Liu, Chia-Cheng Hsu, Chia-Chang Shih, Ruoh-Huey Uang
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Publication number: 20130032137Abstract: The present invention regards a metal composition suitable for originating a joint (22) by means of welding with a borosilicate glass for a solar collector (10). The composition, expressed in weight percentage, comprises the following alloy elements Table 1 and it is such that 45.5?(Ni+Co)?46.5, and that (Ti+Ta+Zr)?4×C, the remaining part being made up of iron, apart from the inevitable impurities. The invention also regards: a metal ring (20) made of the metal composition described above and suitable for originating a metal-glass joint by means of welding; the metal-glass joint thus obtained; and the tubular solar collector (10) thus obtained.Type: ApplicationFiled: April 11, 2011Publication date: February 7, 2013Applicant: ARCHIMEDE SOLAR ENERGY SRLInventors: Federico Ruffini, Claudio Raggi, Stefano Fortunati, Learco Cagiola, Antonio De Luca
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Publication number: 20130000797Abstract: A soft magnetic alloy is provided that consists essentially of 47 weight percent?Co?50 weight percent, 1 weight percent?V?3 weight percent, 0 weight percent?Ni?0.25 weight percent, 0 weight percent?C?0.007 weight percent, 0 weight percent?Mn?0.1 weight percent, 0 weight percent?Si?0.1 weight percent, at least one of niobium and tantalum in amounts of x weight percent of niobium, y weight percent of tantalum, remainder Fe. The alloy includes 0 weight percent?x<0.15 weight percent, 0 weight percent?y?0.3 weight percent and 0.14 weight percent?(y+2x)?0.3 weight percent. The soft magnetic alloy has been annealed at a temperature in the range of 730° C. to 880° C. for a time of 1 to 6 hours and comprises a yield strength in the range of 200 MPa to 450 MPa and a coercive field strength of 0.3 A/cm to 1.5 A/cm.Type: ApplicationFiled: June 29, 2012Publication date: January 3, 2013Applicant: Vacuumschmelze GmbH & Co. KGInventors: Witold PIEPER, Niklas VOLBERS, Joachim GERSTER
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Publication number: 20120321508Abstract: The present invention relates to a process for the production of ductile iron comprising the sequential steps of:—(i) treating liquid iron with an initialiser comprising an effective amount of a group IIa metal other than Mg, (ii) at a predetermined time after step (i), treating the liquid iron with a magnesium containing nodulariser, (iii) treating the liquid iron with a eutectic graphite nucleation-inducing inoculant, and (iv) casting the iron. The invention allows for the variability of oxygen content in the base iron to be processed such that the mechanical properties of components cast from the processed iron are independent of the original oxygen content of the base iron.Type: ApplicationFiled: July 16, 2012Publication date: December 20, 2012Applicant: Foseco International LimitedInventor: Emmanuel Berthelet
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Publication number: 20120263621Abstract: The present disclosure relates to an iron based alloy composition that may include iron present in the range of 45 to 70 atomic percent, nickel present in the range of 10 to 30 atomic percent, cobalt present in the range of 0 to 15 atomic percent, boron present in the range of 7 to 25 atomic percent, carbon present in the range of 0 to 6 atomic percent, and silicon present in the range of 0 to 2 atomic percent, wherein the alloy composition exhibits an elastic strain of greater than 0.5% and a tensile strength of greater than 1 GPa.Type: ApplicationFiled: June 25, 2012Publication date: October 18, 2012Applicant: THE NANOSTEEL COMPANY, INC.Inventors: Daniel James BRANAGAN, Brian E. MEACHAM, Alla V. SERGUEEVA
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Publication number: 20120189486Abstract: Semi-finished products for the production of devices containing thermoelastic materials with improved reliability and reproducibility are described. The semi-finished products are based on an alloy of Ni—Ti plus elements X and/or Y. The nickel amount is comprised between 40 and 52 atom %, X is comprised between 0.1 and 1 atom %, Y is comprised between 1 and 10 atom % and the balance is titanium. The one or more additional elements X are chosen from Al, Ta, Hf, Si, Ca, Ce, La, Re, Nb, V, W, Y, Zr, Mo, and B. The one or more additional elements Y are chosen from Al, Ag, Au, Co, Cr, Fe, Mn, Mo, Nb, Pd, Pt, Ta and W.Type: ApplicationFiled: March 30, 2012Publication date: July 26, 2012Applicant: SAES SMART MATERIALSInventors: Francis E. SCZERZENIE, Graeme William PAUL
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Publication number: 20120171515Abstract: An coated article includes a substrate; and a coating deposited on the substrate, wherein the coating is a titanium layer mixed with a first element and a second element, M is at least one element selected from a group consisting of iron, cobalt, nickel, copper, niobium, hafnium and tantalum; R is at least one element selected from a group consisting of scandium, yttrium and lanthanide.Type: ApplicationFiled: June 27, 2011Publication date: July 5, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.Inventors: HSIN-PEI CHANG, WEN-RONG CHEN, HUANN-WU CHIANG, CHENG-SHI CHEN, SHUN-MAO LIN
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Publication number: 20120070333Abstract: In a hydrogen-storage alloy which is a high-entropy alloy having a molecular formula of CouFevMnwTixVyZrz, the hydrogen-storage alloy is an alloy free from rare-earth elements and having a stable single C14 Laves phase structure. The hydrogen-storage alloy has a high capacity of absorbing and releasing hydrogen under ambient temperature and pressure and a high hydrogen-storage capacity at room temperature, so that the hydrogen-storage alloy can be used extensively in the fields of hydrogen storage, heat storage, heat pump, hydrogen purification, isotope separation, secondary battery and fuel cell without producing harmful polluted gases, and the hydrogen-storage alloy has high potential for the development of a green energy source.Type: ApplicationFiled: November 3, 2010Publication date: March 22, 2012Applicant: National Tsing Hua UniversityInventor: SWE-KAI CHEN
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Publication number: 20120058004Abstract: Providing a metal mold repair method and a metal mold repair paste agent which are capable of repairing cracks with simple work. A repair paste agent containing components that become an alloy is directly applied to a surface of a metal mold having a crack so as to cover the crack part, subsequently a surface of the repair paste agent is coated with an oxidation inhibitor and the repair paste agent is made to penetrate the inside of the crack by heating and becomes an alloy, thereby filling up the crack.Type: ApplicationFiled: March 3, 2011Publication date: March 8, 2012Inventors: Michiharu HASEGAWA, Noriyuki Miyazaki, Masafumi Nakamura, Naoji Yamamoto, Kazuo Ueda
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Publication number: 20110293463Abstract: An alloy composition comprising iron present in the range of 49 atomic percent (at %) to 65 at %, nickel present in the range of 10.0 at % to 16.5 at %, cobalt optionally present in the range of 0.1 at % to 12 at %, boron present in the range of 12.5 at % to 16.5 at %, silicon optionally present in the range of 0.1 at % to 8.0 at %, carbon optionally present in the range of 2 at % to 5 at %, chromium optionally present in the range of 2.5 at % to 13.35 at %, and niobium optionally present in the range of 1.5 at % to 2.5 at %, wherein the alloy composition exhibits spinodal glass matrix microconstituents when cooled at a rate in the range of 103K/s to 104K/s and develops a number of shear bands per linear meter in the range of greater than 1.1×102 m?1 to 107 m?1 upon application of a tensile force applied at a rate of 0.001 s?1.Type: ApplicationFiled: May 27, 2011Publication date: December 1, 2011Inventors: Daniel James BRANAGAN, Brian E. MEACHAM, Jason K. WALLESER, Jikou ZHOU, Alla V. SERGUEEVA
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Publication number: 20110286877Abstract: A process of using a molybdenum-containing binder alloy powder to produce a sintered hard metal based on a tungsten carbide includes providing a molybdenum-containing binder alloy powder with a FSSS value as determined in accordance with an ASTM B 330 standard of from 0.5 to 3 ?m and comprising from 0.1 to 10% by weight of a molybdenum in at least one of an alloyed form and a prealloyed form, less than 60% by weight of an iron, up to 60% by weight of a cobalt, and from 10 to 60% by weight of a nickel. The molybdenum-containing binder alloy powder is incorporated into a hard metal. The hard metal is sintered so as to provide the liquid-phase-sintered hard metal based on a tungsten carbide.Type: ApplicationFiled: October 2, 2009Publication date: November 24, 2011Inventor: Benno Gries
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Publication number: 20110277568Abstract: Semi-finished products for the production of devices containing thermoelastic materials with improved reliability and reproducibility are described. The semi-finished products are based on an alloy of Ni—Ti plus elements X and/or Y. The nickel amount is comprised between 40 and 52 atom %, X is comprised between 0.1 and 1 atom %, Y is comprised between 1 and 10 atom % and the balance is titanium. The one or more additional elements X are chosen from Al, Ta, Hf, Si, Ca, Ce, La, Re, Nb, V, W, Y, Zr, Mo, and B. The one or more additional elements Y are chosen from Al, Ag, Au, Co, Cr, Fe, Mn, Mo, Nb, Pd, Pt, Ta and W.Type: ApplicationFiled: October 28, 2010Publication date: November 17, 2011Applicant: SAES SMART MATERIALSInventors: Francis E. Sczerzenie, Graeme William Paul
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Publication number: 20110182766Abstract: A first multi phase niobium silicide alloy composition consists essentially of: from 15 to 24 at % of Si; from 0 to 25 at % of one or more sp outer electron configuration element which is not Si; from 1 to 26 at % of one or more sd outer electron configuration element which is not Nb; and a balance of Nb, interstitials and impurities. This alloy may be used to increase the creep resistance of an article, for example a gas turbine engine blade. A second multi phase niobium silicide alloy composition consists essentially of: from 1 to 24 at % of Si; from 0 to 34 at % of one or more sp outer electron configuration element which is not Si; from 19.5 to 48.5 at % of one or more sd outer electron configuration element which is not Nb or Cr; from 0.5 to 9 at % Cr; and a balance of Nb, interstitials and impurities. This alloy may be used to increase the creep resistance and/or to increase the oxidation resistance of an article, for example a gas turbine engine blade.Type: ApplicationFiled: June 17, 2009Publication date: July 28, 2011Inventor: Panos Tsakiropoulos
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Publication number: 20110123383Abstract: A metal powder for use in a metal laser-sintering wherein a three-dimensional shaped object is produced by irradiating a powder layer of the metal powder with a light beam to form a sintered layer and thereby laminating the sintered layers. The metal powder of the present invention is characterized in that it comprises an iron-based powder and at least one kind of powder selected from the group consisting of a nickel powder, a nickel-based alloy powder, a copper powder, a copper-based alloy powder and a graphite powder; and the iron-based powder has been annealed. In such metal powder, the iron-based powder is in a softened state due to the annealing treatment thereof. Accordingly, the use of the metal powder in a metal laser-sintering process makes it possible to reduce a machining resistance attributable to the residual metal powder adherent to the surface of the shaped object, which leads to an achievement of an extended lifetime of a machining tool.Type: ApplicationFiled: August 23, 2007Publication date: May 26, 2011Applicant: PANASONIC ELECTRIC WORKS CO., LTD.Inventors: Isao Fuwa, Satoshi Abe
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Publication number: 20110045985Abstract: A superconductor which comprises a new compound composition substituting for perovskite copper oxides. The superconductor is characterized by comprising a compound which is represented by the chemical formula A(TM)2Pn2 [wherein A is at least one member selected from the elements in Group 1, the elements in Group 2, or the elements in Group 3 (Sc, Y, and the rare-earth metal elements); TM is at least one member selected from the transition metal elements Fe, Ru, Os, Ni, Pd, or Pt; and Pn is at least one member selected from the elements in Group 15 (pnicogen elements)] and which has an infinite-layer crystal structure comprising (TM)Pn layers alternating with metal layers of the element (A).Type: ApplicationFiled: February 20, 2009Publication date: February 24, 2011Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Hideo Hosono, Hiroshi Yanagi, Toshio Kamiya, Satoru Matsuishi, Sungwng Kim, Seok Gyu Yoon, Hidenori Hiramatsu, Masahiro Hirano, Yoichi Kamihara, Takatoshi Nomura
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Publication number: 20110041967Abstract: Alloys, formed by a eutectic transformation of the type Fe25-35 Ni15-25 Mn30-40 Al10-20 MO-5, are disclosed. M is selected from chromium, molybdenum, carbon and combinations thereof. The alloys have high strength and ductility. The alloys are prepared from readily available transition metals, and can be used in applications where properties similar to steel are necessary or advantageous.Type: ApplicationFiled: February 13, 2009Publication date: February 24, 2011Applicant: THE TRUSTEES OF DARTMOUTH COLLEGEInventors: Ian Baker, Yifeng Liao
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Publication number: 20100316523Abstract: A powder for a sintered valve sheet made of an iron-based alloy is provided, which has excellent compactibility and abrasion resistance and from which a carbide that may abrade a counterpart is not precipitated. A powder is provided, wherein a molten steel, in which carbon is controlled to be less than 0.1% by mass to avoid precipitation of a carbide, 0.5 to 8.5% by mass of Si, 10 to 25% by mass of Ni, 5 to 20% by mass of Mo, and 5 to 20% by mass of Co are contained, and a remainder includes Fe and incidental impurities, is rapidly cooled by a conventional technique such as a gas atomization method, a water atomization method, or a centrifugal force atomization method, so that a supersaturated solid solution of the alloy elements consisting mainly of austenite, which is effective in softening the powder, is formed. Since the powder has low hardness, the compactibility is excellent at the time of compression molding.Type: ApplicationFiled: February 19, 2009Publication date: December 16, 2010Applicant: MITSUBISHI STELL MFG. CO., LTD.Inventors: Hideo Ueno, Yuji Soda, Hironori Hideshima
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Patent number: 7842639Abstract: A hydrogenation catalyst including a base material coated with a catalytic metal is made using mechanical milling techniques. The hydrogenation catalysts are used as an excellent catalyst for the dehalogenation of contaminated compounds and the remediation of other industrial compounds. Preferably, the hydrogenation catalyst is a bimetallic particle including zero-valent metal particles coated with a catalytic material. The mechanical milling technique is simpler and cheaper than previously used methods for producing hydrogenation catalysts.Type: GrantFiled: May 17, 2007Date of Patent: November 30, 2010Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Jacqueline W. Quinn, Christian A. Clausen, Cherie L. Geiger, Brian S. Aitken
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Patent number: 7815850Abstract: Biphasic alloys, formed through a spinodal decomposition process, are disclosed. The alloys have improved strength and hardness, over single phase alloys, due to coherency strain between the phases. They are prepared from readily available transition metals, and they can be used to make large, high-strength parts, for example, of types that cannot be made by extrusion, forging or cold working techniques.Type: GrantFiled: September 7, 2006Date of Patent: October 19, 2010Assignee: The Trustees of Dartmouth CollegeInventors: Ian Baker, Markus Wolfgang Wittmann, James Anthony Hanna
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Publication number: 20100230010Abstract: Disclosed are a thin strip of an amorphous alloy having excellent workability, a nanocrystalline soft magnetic alloy which can stably provide good magnetic properties, and a magnetic core using the nanocrystalline soft magnetic alloy. The thin strip of an amorphous alloy is characterized in that the thin strip is formed of an alloy having a composition represented by Fe10-a-b-c-dMaSibBcCud (atomic %), wherein 0?a?10, 0?b?20, 4?c?20, 0.1?d?3, and 9?a+b+c?35, and containing unavoidable impurities, and, in the composition, M represents at least one element selected from Ti, V, Zr, Nb, Mo, Hf, Ta, and W, a Cu segregated part is present, on the surface side of the thin strip of the amorphous alloy, in which Cu is segregated at a higher concentration than the Cu concentration in the outermost surface part of the thin strip of the amorphous alloy, and the highest Cu concentration in the Cu segregated part is not more than 4 atomic %.Type: ApplicationFiled: March 30, 2009Publication date: September 16, 2010Inventors: Yoshihito Yoshizawa, Motoki Ohta
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Publication number: 20100209284Abstract: A soft magnetic alloy for perpendicular magnetic recording medium excellent n saturation magnetic flux density, amorphousness and atmospheric corrosion resistance. The alloy is an Fe-Co based alloy and comprises Fe in an amount satisfying 0.25 to 0.65 of Fe/(Fe+Co) ratio, which is an atomic ratio of Fe and Fe+Co; Zr+Hf in an amount of 6 to 100 at %; Na+Ta in an amount of 0 to 2 at %; Al and/or Cr in an amount of 0 to 5 at %; and the balance Co and unavoidable impurities. A part of Zr and/or Hf can be replaced by B, provided that the amount of B to replace Zr and/or Hf is double in at % of the total amount of Zr and Hf to be replaced and that the total amount of Zr and Hf after replacement is 4 at % or more.Type: ApplicationFiled: May 1, 2008Publication date: August 19, 2010Applicant: SANYO SPECIAL STEEL CO., LTD.Inventors: Toshiyuki Sawada, Akihiko Yanagitani
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Patent number: 7776259Abstract: A high strength and creep resistant soft magnetic Fe—Co alloy includes, in weight %, Fe and Co such that the difference between the Fe and Co is at least 2%, at least 35% Co, and 2.5%?(V+Mo+Nb), wherein 0.4%?Mo and/or 0.4%?Nb. This alloy can further include B, C, W, Ni, Ti, Cr, Mn and/or Al. A vanadium-free high strength soft magnetic Fe—Co alloy includes in weight %, Fe and Co such that the difference between the Fe and Co is at least 2%, and at least 15% Co, the alloy further satisfying (0.1%?Nb and 0.1%?W) or 0.25%?Mn. This alloy can further include B, C, Ni, Ti, Cr and/or Al.Type: GrantFiled: August 9, 2005Date of Patent: August 17, 2010Assignee: Philip Morris USA Inc.Inventors: Seetharama C. Deevi, Rangaraj S. Sundar
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Publication number: 20100197202Abstract: The present disclosure relates to a wire and a method of forming a wire including an iron based glass forming alloy including iron present in the range of 43.0 to 68.0 atomic percent, boron present in the range of 12.0 to 19.0 atomic percent, nickel present in the range of 15.0 to 17.0 atomic percent, cobalt present in the range of 2.0 to 21.0 atomic percent, optionally carbon present in the range of 0.1 to 6.0 atomic percent and optionally silicon present in the range of 0.4 to 4.0 atomic percent, wherein said wire has a thickness of 140 ?m or less and wherein said wire includes spinodal glass matrix microconstituents. The wire may be used in abrading a substrate.Type: ApplicationFiled: February 3, 2010Publication date: August 5, 2010Applicant: THE NANOSTEEL COMPANY, INC.Inventors: Daniel James BRANAGAN, David PARATORE
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Publication number: 20100172790Abstract: The invention relates to an iron-nickel-chromium-silicon alloy comprising (in wt.-%) 19 to 34% or 42 to 87% nickel, 12 to 26% chromium, 0.75 to 2.5% silicon, and additives of 0.05% to 1% Al, 0.01 to 1% Mn, 0.01 to 0.26% lanthanum, 0.0005 to 0.05% magnesium, 0.04 to 0.14% carbon, 0.02 to 0.14% nitrogen, and further comprising 0.0005 to 0.07% Ca, 0.002 to 0.020% P, a maximum of 0.01% sulfur, a maximum of 0.Type: ApplicationFiled: December 23, 2009Publication date: July 8, 2010Inventors: Heike HATTENDORF, Juergen Webelsiep
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Patent number: 7744702Abstract: A soft magnetic alloy powder containing Fe—Ni-based crystal particles is provided as one capable of adequately reducing core loss of a powder magnetic core and achieving satisfactory magnetic characteristics at an effective operating temperature of an element. The present invention provides a soft magnetic alloy powder containing Fe—Ni-based crystal particles containing 45 to 55 mass % Fe and 45 to 55 mass % Ni, relative to a total mass of Fe and Ni, and containing 1 to 12 mass % Co and 1.2 to 6.5 mass % Si, relative to a total mass of Fe, Ni, Co, and Si.Type: GrantFiled: October 19, 2007Date of Patent: June 29, 2010Assignee: TDK CorporationInventors: Hiroshi Tomita, Hideharu Moro, Kesaharu Takatoh, Koyu Enda
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Publication number: 20100111747Abstract: The present disclosure relates to a glass forming alloy. The glass forming alloy may include 43.0 atomic percent to 68.0 atomic percent iron, 10.0 atomic percent to 19.0 atomic percent boron, 13.0 atomic percent to 17.0 atomic percent nickel, 2.5 atomic percent to 21.0 atomic percent cobalt, optionally 0.1 atomic percent to 6.0 atomic percent carbon, and optionally 0.3 atomic percent to 3.5 atomic percent silicon. Furthermore, the glass forming alloy includes between 5% to 95% by volume one or more spinodal glass matrix microconstituents which include one or more semi-crystalline or crystalline phases at a length scale less than 50 nm in a glass matrix. In addition, the glass forming alloy is capable of blunting shear bands through localized deformation induced changes under tension.Type: ApplicationFiled: November 4, 2009Publication date: May 6, 2010Applicant: The NanoSteel Company, Inc.Inventors: Daniel James BRANAGAN, Brian E. MEACHAM, Jikou ZHOU, Alla V. SERGUEEVA
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Publication number: 20100092329Abstract: The present disclosure relates to an iron based alloy composition that may include iron present in the range of 45 to 70 atomic percent, nickel present in the range of 10 to 30 atomic percent, cobalt present in the range of 0 to 15 atomic percent, boron present in the range of 7 to 25 atomic percent, carbon present in the range of 0 to 6 atomic percent, and silicon present in the range of 0 to 2 atomic percent, wherein the alloy composition exhibits an elastic strain of greater than 0.5% and a tensile strength of greater than 1 GPa.Type: ApplicationFiled: August 25, 2009Publication date: April 15, 2010Applicant: THE NANOSTEEL COMPANY, INC.Inventors: Daniel James BRANAGAN, Brian E. MEACHAM, Alla V. SERGUEEVA
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Publication number: 20100087911Abstract: The invention relates to an implant with a base body composed entirely or in parts of a biocorrodible manganese alloy.Type: ApplicationFiled: September 30, 2009Publication date: April 8, 2010Inventor: Dr. Heinz Mueller
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Publication number: 20090308102Abstract: A method of forming a jewelry article comprises the steps of (a) providing a powder mixture comprising tungsten and one or more of: titanium carbide, chromium carbide, nickel, molybdenum, vanadium carbide and iron, (b) placing the powder mixture in a mold and (c) applying sufficient pressure and temperature to the powder mixture to form a solid jewelry article.Type: ApplicationFiled: June 18, 2008Publication date: December 17, 2009Inventor: Glenn Miller
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Publication number: 20090263266Abstract: An improved amorphous aluminum alloy having high strength, ductility, corrosion resistance and fracture toughness is disclosed. The alloy has an amorphous phase and a coherent L12 phase. The alloy has nickel, cerium, at least one of scandium, erbium, thulium, ytterbium, and lutetium; and at least one of gadolinium, yttrium, zirconium, titanium, hafnium, niobium and iron. The volume fraction of the amorphous phase ranges from about 50 percent to about 95 percent and the volume fraction of the coherent L12 phase ranges from about 5 percent to about 50 percent.Type: ApplicationFiled: April 18, 2008Publication date: October 22, 2009Applicant: United Technologies CorporationInventor: Awadh B. Pandey
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Patent number: 7582171Abstract: A high-strength, soft-magnetic iron-cobalt-vanadium alloy selection is proposed, consisting of 35.0?Co?55.0% by weight, 0.75?V?2.5% by weight, O?Ta+2×Nb?0.8% by weight, 0.3<Zr?1.5% by weight, remainder Fe and melting-related and/or incidental impurities. This zirconium-containing alloy selection has excellent mechanical properties, in particular a very high yield strength, high inductances and particularly low coercive forces. It is eminently suitable for use as a material for magnetic bearings used in the aircraft industry.Type: GrantFiled: May 7, 2004Date of Patent: September 1, 2009Assignee: Vacuumschmelze GmbH & Co. KGInventors: Joachim Gerster, Johannes Tenbrink