Patents Assigned to THYSSENKRUPP VDM GMBH
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Publication number: 20130078136Abstract: Nickel-based alloy consisting of (in % by mass) Si 0.8-2.0%, Al 0.001-0.1%, Fe 0.01-0.2%, C 0.001-0.10%, N 0.0005-0.10%, Mg 0.0001-0.08%, O 0.0001-0.010%, Mn max. 0.10%, Cr max. 0.10%, Cu max. 0.50%, S max. 0.008%, balance Ni and the usual production-related impurities.Type: ApplicationFiled: June 8, 2011Publication date: March 28, 2013Applicant: THYSSENKRUPP VDM GMBHInventor: Heike Hattendorf
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Publication number: 20130011295Abstract: A nickel-chromium-cobalt-molybdenum alloy includes (in weight %) Cr 21-23%, Fe 0.05-1.5%, C 0.05-0.08%, Mn?0.5%, Si?0.25%, Co 11-13%, Cu?0.15%, Mo 8.0-10.0%, Ti 0.3-0.5%, Al 0.8-1.3%, P<0.012%, S<0.008%, B>0.002-<0.006%, Nb>0-1%, N?0.015%, Mg?0.025%, Ca?0.01%, V 0.005-0.6%, optionally W in contents between 0.02-max. 2%, Ni rest as well as smelting-related impurities, in the form of tubes, sheets, wire, bars, strips or forgings, wherein the alloy satisfies the following formula: X3=5?50, wherein X ? ? 3 = 100 * X ? ? 1 X ? ? 2 and X1=C+5N and X2=0.5Ti+Nb+0.5V.Type: ApplicationFiled: March 15, 2011Publication date: January 10, 2013Applicant: THYSSENKRUPP VDM GMBHInventors: Jutta Kloewer, Juergen Tewes, Ralf-Udo Husemann
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Publication number: 20120145285Abstract: The invention relates to a method for producing a component, made of an iron-chromium alloy that precipitates Laves phases and/or particles containing Fe and/or particles containing Cr and/or particles containing Si and/or carbides, by subjecting a semi-finished product made of the alloy to a thermomechanical treatment, wherein in a first step, the alloy is solution heat treated at temperatures?the solution heat treatment temperature and is subsequently quenched in stationary protective gas or air, moving (blown) protective gas or air, or water. In a second step, a mechanical forming of the semi-finished product in a range from 0.05 to 99% is performed, and in a subsequent step, Laves phases Fe2(M, Si) or Fe7(M, Si)6 and/or particles containing Fe and/or particles containing Cr and/or particles containing Si and/or carbides are precipitated in a specific and finely distributed manner in that the component produced from the formed semi-finished product is brought to an application temperature between 550° C.Type: ApplicationFiled: August 18, 2010Publication date: June 14, 2012Applicant: THYSSENKRUPP VDM GMBHInventors: Heike Hattendorf, Osman Ibas
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Publication number: 20120114520Abstract: A nickel-molybdenum-iron alloy with high corrosion resistance with respect to reducing media at high temperatures, consisting of (in % by mass): 61 to 63% nickel, 24 to 26% molybdenum, 10 to 14% iron, 0.20 to 0.40% niobium, 0.1 to 0.3% aluminum, 0.01 to 1.0% chromium, 0.1 to 1.0% manganese, at most 0.5% copper, at most 0.01% carbon, at most 0.1% silicon, at most 0.02% phosphorus, at most 0.01% sulphur, at most 1.0% cobalt, and further smelting-related impurities.Type: ApplicationFiled: July 19, 2010Publication date: May 10, 2012Applicant: THYSSENKRUPP VDM GMBHInventors: Rainer Behrens, Helena Alves
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Publication number: 20120034484Abstract: Metal foil for the catalytic production of hydrogen, having the following chemical composition (in % by weight): C 0.001 to 0.5%; S max. 0.008%; N 0.1 to 0.3%; Cr 24 to 28%; Ni 30 to 33%; Mn 1.0 to 2.0%; Si 0.005 to 0.2%; Mo 6.0 to 7.5%; Ti max. 0.05%; Nb max. 0.05%; Cu 0.8 to 2.0%; P max. 0.025%; AI max. 0.2%; Cer composition metal 0.01 to 0.1%; W max. 0.5%; Co max. 0.5%; B 0.001 to 0.05%; the remainder being Fe and production-related impurities.Type: ApplicationFiled: April 29, 2010Publication date: February 9, 2012Applicant: THYSSENKRUPP VDM GMBHInventor: Rainer Behrens
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Publication number: 20110171490Abstract: A method for producing composite metal semi-finished products wherein an electrode composed of a second metal or a second metal alloy is introduced into a main body designed as a crucible and composed of a first metal or a first metal alloy, and the electrode is fused off inside the main body while current is supplied, such that the first metal or the first metal alloy of the main body is melted over a defined cross-section, wherein the two metals or the two metal alloys after solidification thereof form a slag-free mixed zone composed of the two metals or the two metal alloys.Type: ApplicationFiled: July 11, 2009Publication date: July 14, 2011Applicant: ThyssenKrupp VDM GmbHInventors: Cihangir Demirci, Jutta Kloewer
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Publication number: 20110056589Abstract: Disclosed is an iron-nickel alloy having the following composition, in % by mass: C 0.05 to 0.5%, Cr 0.2 to 2.0%, Ni 33 to 42%, Mn<0.1%, Si<0.1%, Mo 1.5 to 4.0%, Nb 0.01 to 0.5%, Al 0.1 to 0.8%, Mg 0.001 to 0.01%, V max. 0.1%, W 0.1 to 1.5%, Co max. 2.0%, the remainder Fe, and production-related impurities.Type: ApplicationFiled: April 29, 2009Publication date: March 10, 2011Applicant: THYSSENKRUPP VDM GMBHInventors: Bernd De Boer, Bodo Gehrmann
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Publication number: 20100092749Abstract: Use of an iron-chromium-aluminum alloy with long service life and minor changes in heat resistance as a foil for heating elements, the foil having a thickness ranging from 0.020 to 0.300 ?m. The alloy contains (in percentages by weight) 4.5-6.5% Al and 16-24% Cr, to which are added 0.05-0.7% Si, 0.001-0.5% Mn, 0.02-0.1% Y, 0.02-0.1% Zr, 0.02-0.1% Hf, 0.003-0.020% C, maximum 0.03% N, maximum 0.01% S and maximum 0.5% Cu, the remainder being iron and the usual impurities resulting from the melting process.Type: ApplicationFiled: January 15, 2008Publication date: April 15, 2010Applicant: THYSSENKRUPP VDM GMBHInventors: Heike Hattendorf, Janine Lindemann, Rainer Rueffert
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Publication number: 20100086433Abstract: The invention relates to a solid-solution strengthened iron-nickel alloy with a high level of ductility and an expansion coefficient <5×10?6/K in the temperature range between room temperature and ?200° C. Said alloy consists of (in wt. %): between 0.005 and 0.05% of C; <0.02% of S; between 1 and 2% of Cr; between 35 and 38% of Ni; between 0.3 and 1.5% of Mn; <0.5% of Si; between 1.0 and 3.5% of ? Mo+W; between 0.2 and 1.0% of Ti; between 0.2 and 1.0% of Nb; <0.02% of P; and between 1.0 and 4.0% of Co; Fe constituting the remainder, in addition to production-related impurities.Type: ApplicationFiled: October 20, 2007Publication date: April 8, 2010Applicant: THYSSENKRUPP VDM GMBHInventors: Bernd Hoberg, Bernd De Boer
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Publication number: 20100059145Abstract: The invention relates to a metal foil having (in weight %) Ni 74-90%, W 10-26%, and Al and/or Mg and/or B contents of Al >0-max. 0.02%, Mg >0-max. 0.025%, B>0-max. 0.005%.Type: ApplicationFiled: April 14, 2008Publication date: March 11, 2010Applicants: THYSSENKRUPP VDM GMBH, ZENERGY POWER GMBHInventors: Heike Hattendorf, Bodo Gehrmann, Michael Baecker, Joerg Eickemeyer
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Publication number: 20070041862Abstract: An iron chromium aluminum alloy having a long service life and comprising (in % by mass) 4 to 8% Al and 16 to 24% Cr and additions of 0.05 to 1% Si, 0.001 to 0.5% Mn, 0.02 to 0.2% Y, 0.1 to 0.3% Zr and/or 0.02 to 0.2% Hf, 0.003 to 0.05% C, 0.0002 to 0.05% Mg, 0.0002 to 0.05% Ca, max. 0.04% N, max. 0.04% P, max. 0.01% S, max. 0.5% Cu and the usual impurities resulting from the melting process, the rest being iron.Type: ApplicationFiled: October 30, 2006Publication date: February 22, 2007Applicant: Thyssenkrupp VDM GmbhInventors: Heike Hattendorf, Angelika Kolb-Telieps
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Publication number: 20050067067Abstract: A method for producing iron-nickel alloy strip for tensioned shadow masks for use in flat monitors and screens, includes the steps of forming an alloy having a composition, in mass %, of 35-38% Ni, 0.4-0.8% Mo, 0.1-0.3% Cr, 0.08-0.12% C, up to 1% Mn, up to 1% Si, up to 1% Nb, with the balance to total 100% being Fe and impurities; cold rolling the alloy composition to a predetermined final thickness to form a strip; and annealing the cold-rolled strip at predetermined temperatures over a range wherein a coercive field strength (Hc) of the alloy strip first decreases to a minimum value and then remains substantially constant as annealing temperature is increased; such that the annealed strip has a coercive field strength<100 A/m and a creep strain<0.1% at conditions of 460° C., and a load of 138 mPa, for 1 hour.Type: ApplicationFiled: August 2, 2002Publication date: March 31, 2005Applicant: Thyssenkrupp VDM GmbHInventors: Bodo Gehrmann, Janine Lindemann