Zirconium Containing Patents (Class 420/125)
  • Patent number: 9354283
    Abstract: According to embodiments of the present invention, a sensor is provided. The sensor includes a substrate, a beam suspended from the substrate, and a plurality of conductive lines arranged on the beam, wherein the beam is adapted to be displaced in response to a current flowing through the plurality of conductive lines, and a magnetic field interacting with the beam, and wherein the sensor is configured to determine a property of the magnetic field based on the displacement of the beam. According to further embodiments of the present invention, a method of controlling a sensor is also provided.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: May 31, 2016
    Assignee: Agency for Science, Technology and Research
    Inventors: Ilker Ender Ocak, Julius Ming Lin Tsai
  • Patent number: 8961816
    Abstract: Getter devices based on powders of alloys particularly suitable for hydrogen and nitrogen sorption are described. Such alloys have a composition including zirconium, vanadium, titanium and, optionally, one or more elements selected from iron, chromium, manganese, cobalt, nickel and aluminum.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: February 24, 2015
    Assignee: Saes Getters S.p.A.
    Inventors: Alberto Coda, Alessandro Gallitognotta, Antonio Bonucci, Andrea Conte
  • Publication number: 20150044086
    Abstract: A steel wire rod or steel bar as hot-rolled, including: by mass %: C: 0.1 to 0.6%, Si: 0.01 to 1.5%, Mn: 0.05 to 2.5%, Al: 0.015 to 0.3%, and N: 0.0040 to 0.0150%, and P: limited to 0.035% or less and S: limited to 0.025% or less, and the balance substantially consisting of iron and unavoidable impurities, wherein a depth of d (mm) from the surface of the surface layer region with 20 HV 0.2 or more higher, relative to HV 0.2 that is the average hardness in the region where the depth from the surface is from sectional radius R×0.5 (mm) to the center satisfies the formula (1); the steel structure of the surface layer region has a ferrite fraction of 10% or less by area ratio, with the balance being one or two or more of martensite, bainite and pearlite; the steel structure where the depth from the surface is from the sectional radius R×0.
    Type: Application
    Filed: April 1, 2013
    Publication date: February 12, 2015
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Kei Miyanishi, Atsushi Monden, Shingo Yamasaki, Shunta Homma
  • Patent number: 8709336
    Abstract: The invention concerns a method for making an abrasion resistant steel plate having a chemical composition comprising: 0.35%?C?0.8%, 0%?Si?2%, 0%?Al?2%, 0.35%?Si+Al?2%, 0%?Mn?2.5%, 0%?Ni?5%, 0%?Cr?5%, 0%?Mo?0.50%, 0%?W?1.00%, 0.1%?Mo+W/2?0.50%, 0%?B?0.02%, 0%?Ti?2%, 0%?Zr?4%, 0.05%?Ti+Zr/2?2%, 0%?S?0.15%, N<0.03%; optionally from 0% to 1.5% of Cu; optionally Nb, Ta or V with Nb/2+Ta/4+V?0.5%; optionally less than 0.1% of Se, Te, Ca, Bi or Pb; the rest being iron and impurities; the composition satisfying: 0.1%?C*=C?Ti/4?Zr/8+7×N/8?0.55% and 1.05×Mn+0.54×Ni+0.50×Cr+0.3×(Mo+W/2)1/2+K>1.8, with K=0.5 if B?0.0005% and K=0 if B<0.0005% and Ti+Zr/2?7×N/2?0.05%; hardening after austenitization while cooling at a speed>0.5° C./s between a temperature>AC3 and ranging between T=800?270×C*?90×Mn?37×Ni?70×Cr?83×(Mo+W/2) and T?50° C.; then at a core speed Vr<115×ep?1.7 between T and 100° C., (ep=plate thickness in mm); cooling down to room temperature. The invention also concerns the resulting plate.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: April 29, 2014
    Assignee: Industeel Creusot
    Inventors: Jean Beguinot, Jean-Georges Brisson
  • Publication number: 20140097277
    Abstract: The invention relates to biodegradable iron alloy-containing compositions for use in preparing medical devices. In addition, biodegradable crystalline and amorphous compositions of the invention exhibit properties that make them suitable for use as medical devices for implantation into a body of a patient. The compositions include elemental iron and one or more elements selected from manganese, magnesium, zirconium, zinc and calcium. The compositions can be prepared using a high energy milling technique. The resulting compositions and the devices formed therefrom are useful in various surgical procedures, such as but not limited to orthopedic, craniofacial and cardiovascular.
    Type: Application
    Filed: October 3, 2013
    Publication date: April 10, 2014
    Applicant: UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
    Inventors: PRASHANT N. KUMTA, SUNG JAE CHUNG, PARTHA SAHA, OLEG VELIKOKHATNYI, MONI KANCHAN DATTA, DAE HO HONG, DA-TREN CHOU
  • Publication number: 20130323112
    Abstract: In a hot-rolled sheet, an average value of pole densities of an orientation group {100}<011> to {223}<110>, which is represented by an arithmetic mean of pole densities of orientations {100}<011>, {116}<110>, {114}<110>, {112}<110>, and {223}<110> in a thickness center portion of a thickness range of ? to ? from a surface of the steel sheet, is 1.0 to 6.5 and a pole density of a crystal orientation {332}<113> is 1.0 to 5.0; and a Lankford value rC in a direction perpendicular to a rolling direction is 0.70 to 1.10 and a Lankford value r30 in a direction that forms 30° with respect to the rolling direction is 0.70 to 1.10.
    Type: Application
    Filed: March 5, 2012
    Publication date: December 5, 2013
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Riki Okamoto, Nobuhiro Fujita, Manabu Takahashi, Kunio Hayashi, Tetsuo Kishimoto, Kazuaki Nakano, Takeshi Yamamoto
  • Publication number: 20130272914
    Abstract: The steel wire material of the present invention contains 0.05 to 1.2% of C (mass %; same for the chemical components hereafter), 0.01 to 0.5% of Si, 0.1 to 1.5% of Mn, 0.02% or less (but not 0%) of P, 0.02% or less (but not 0%) of S, and 0.005% or less (but not 0%) of N, with the balance being iron and inevitable impurities. The wire material has a scale layer that is no thicker than 7.0 ?m or less. The scale layer has an FeO percentage of 30 to 80 vol % and an Fe2SiO4 percentage of less than 0.1 vol %. The scale layer that is formed will not peel when cooled after hot rolling or during storage and transport, but will easily peel during mechanical descaling.
    Type: Application
    Filed: January 6, 2012
    Publication date: October 17, 2013
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel. Ltd.)
    Inventors: Mikako Takeda, Shohei Nakakubo, Kazuhiko Kirihara, Masayuki Endo
  • Publication number: 20130272913
    Abstract: This steel wire material contains 0.05%-1.2% C (“%” means “% by mass,” same hereinafter for chemical components.), 0.01%-0.7% Si, 0.1%-1.5% Mn, 0.02% max. P (not including 0%), 0.02% max. S (not including 0%), and 0.005% max. N (not including 0%), with the remainder being iron and unavoidable impurities. The steel wire material has a scale 6.0-20 ?m thick and holes of an equivalent circle diameter of 1 ?m max. in said scale that occupy 10% by area max. Said scale does not detach in the cooling process after hot rolling or during storage or transportation but can readily detach during mechanical descaling.
    Type: Application
    Filed: December 9, 2011
    Publication date: October 17, 2013
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Mikako Takeda, Shohei Nakakubo, Kazuhiko Kirihara, Masayuki Endo
  • Publication number: 20130177469
    Abstract: Methods comprising providing a composition comprising iron and a high melting point element; heating the composition to an elevated temperature up to about 3,500° F.; holding the composition at the elevated temperature for a time sufficient for the heat's temperature to stabilize; and allowing the composition to cool or solidify. Methods comprising providing a master alloy comprising iron and up to about 30% by weight of a high melting point element; and adding the master alloy to a heat of steel. Compositions comprising an alloy of iron and high melting point element in which the alloy is up to about 30% by weight of the high melting point element. Compositions comprising an alloy of iron and high melting point element having a substantially uniform microstructure.
    Type: Application
    Filed: December 21, 2012
    Publication date: July 11, 2013
    Inventors: James D. Ruhlman, Charles Scherrer, Randall W. Schudalla
  • Publication number: 20130153091
    Abstract: A hot-rolled steel sheet has an average value of the X-ray random intensity ratio of a {100} <011> to {223} <110> orientation group at least in a sheet thickness central portion that is in a sheet thickness range of ? to ? from a steel sheet surface of 1.0 to 6.0, an X-ray random intensity ratio of a {332} <113> crystal orientation of 1.0 to 5.0, rC which is an r value in a direction perpendicular to a rolling direction of 0.70 to 1.10, and r30 which is an r value in a direction that forms an angle of 30° with respect to the rolling direction of 0.70 to 1.10.
    Type: Application
    Filed: July 27, 2011
    Publication date: June 20, 2013
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Nobuhiro Fujita, Kunio Hayashi, Riki Okamoto, Manabu Takahashi, Tetsuo Kishimoto, Hiroshi Yoshida
  • Patent number: 8449845
    Abstract: 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: Grant
    Filed: August 8, 2008
    Date of Patent: May 28, 2013
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Yuichiro Shindo, Masahiro Sakaguchi, Mitsuru Yamaguchi
  • Patent number: 8293379
    Abstract: The quenchable steel sheet has an alloy composition including carbon (C) in an amount of 0.15˜0.30 wt %, silicon (Si) in an amount of 0.05˜0.5 wt %, manganese (Mn) in an amount of 1.0˜2.0 wt %, boron (B) in an amount of 0.0005˜0.0040 wt %, sulfur (S) in an amount of 0.003 wt % or less, phosphorus (P) in an amount of 0.012 wt % or less, one or more selected from among calcium (Ca) in an amount of 0.0010˜0.0040 wt % and copper (Cu) in an amount of 0.05˜1.0 wt %, two or more selected from among cobalt (Co), zirconium (Zr) and antimony (Sb), and iron (Fe). Alloy elements are controlled to increasing hot ductility and enabling pressing at 600˜900° C. so that a tensile strength of 1400 MPa or more and an elongation of 8% or more are obtained after pressing.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: October 23, 2012
    Assignee: Hyundai Steel Company
    Inventors: Taekjoon Kim, Seungha Lee, Seongju Kim
  • Publication number: 20120121454
    Abstract: A low-carbon resulfurized free-machining steel is excellent in machinability and contains 0.02% to 0.15% by mass of C; 0.004% by mass or less (exclusive of 0%) of Si; 0.6% to 3% by mass of Mn; 0.02% to 0.2% by mass of P; 0.35% to 1% by mass of S; 0.005% by mass or less (exclusive of 0% by mass) of Al; 0.008% to 0.03% by mass of 0; and 0.007% to 0.03% by mass of N, with the remainder being iron and inevitable impurities, in which the ratio [Mn]/[S] of the manganese content [Mn] to the sulfur content [S] is within the range of 3 to 4, and the carbon content [C], the manganese content [Mn] and the nitrogen content [N] satisfy the following Expression (1): 10[C]×[Mn]?0.94+1226 [N]2?1.2, wherein [C], [Mn] and [N] represent the contents on the percent by mass basis of carbon, manganese, and nitrogen, respectively.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 17, 2012
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Koichi SAKAMOTO, Atsuhiko Yoshida
  • Publication number: 20120114519
    Abstract: The invention relates to a cold-rolled carbon steel comprising (in % by weight) C 0.63-0.85%, max. 0.40% Si, 0.20-0.90% Mn, max. 0.035% P, max. 0.035% S, max. 0.060% Al, max. 0.40% Cr, 0.003-0.010% N, preferably 0.005-0.008%, and a maximum of 0.12% of at least one micro-alloying element, the remainder being iron and steel production-related pollutants. Possible micro-alloying elements are Ti, Nb, V and optionally Zr. A carbon steel of the type is cold-rolled into texture-rolled strip steel with a high cold reduction degree and can be used in particular as a material for coiling springs or other components having spring properties.
    Type: Application
    Filed: February 25, 2010
    Publication date: May 10, 2012
    Applicant: C.D. Waelzholz GmbH
    Inventors: Hans-Toni Junius, Heino Buddenberg, Michael Hellmann, Dirk Wilmes
  • Patent number: 8097207
    Abstract: Method for reducing the segregated seams of a steel which has high mechanical strength and high wear resistance and whose composition comprises by weight: 0.30%?C?1.42%; 0.05%?Si?1.5%; Mn?1.95%; Ni?2.9%; 1.1%?Cr?7.9%; 0.61%?Mo?4.4%; optionally V?1.45%, Nb?1.45%, Ta?1.45% and V+Nb/2+Ta/4?1.45%; less than 0.1% of boron, less than 0.19% of (S+Se/2+Te/4), less than 0.01% of calcium, less than 0.5% of rare earths, less than 1% of aluminum, less than 1% of copper; the balance being iron and impurities resulting from the production operation. The composition further complies with: 800?D?1150 with D=540(C)0.25+245(Mo+3V+1.5Nb+0.75Ta)0.30+125Cr0.20+15.8Mn+7.4Ni+18Si. According to the method, the molybdenum is completely or partially replaced with double the proportion of tungsten so that W>0.21%, and Ti, Zr, C are adjusted so that, after adjustment, Ti+Zr/2?0.2W, (Ti+Zr/2)×C?0.07, Ti+Zr/2?1.49% and D is unchanged at approximately 5%. Steel obtained and method for producing a steel workpiece.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: January 17, 2012
    Assignee: Industeel Creusot
    Inventors: Jean Beguinot, Dominique Viale
  • Patent number: 8057650
    Abstract: A soft-magnetic FeCo based target material is provided which has a high saturation magnetic flux density and superior atmospheric corrosion resistance. The target material is a soft-magnetic FeCo based target material made of an FeCo based alloy. The FeCo based alloy comprises 0 to 30 at. % of one or more metal elements selected from the group consisting of B, Nb, Zr, Ta, Hf, Ti and V; and the balance being Fe and Co with unavoidable impurities. The Fe:Co atomic ratio ranges from 10:90 to 70:30. The FeCo based alloy may further comprise 0.2 at. % to 5.0 at. % of Al and/or Cr.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: November 15, 2011
    Assignee: Sanyo Special Steel Co., Ltd.
    Inventors: Ryoji Hayashi, Akihiko Yanagitani, Yoshikazu Aikawa, Toshiyuki Sawada
  • Patent number: 8002911
    Abstract: Metallic dental prostheses made of bulk-solidifying amorphous alloys wherein the dental prosthesis has an elastic strain limit of around 1.2% or more and methods of making such metallic dental prostheses are provided.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: August 23, 2011
    Assignee: Crucible Intellectual Property, LLC
    Inventors: Atakan Peker, Choongnyun Paul Kim, Tranquoc ThebaoNguyen
  • Patent number: 7910512
    Abstract: To provide a production process of an electrode catalyst for fuel cell whose initial voltage is high and whose endurance characteristics, especially, whose voltage drop being caused by high-potential application is less. A production process according to the present invention of an electrode catalyst for fuel cell is characterized in that: it includes: a dispersing step of dispersing a conductive support in a solution; a loading step of dropping a platinum-salt solution, a base-metal-salt solution and an iridium-salt solution to the resulting dispersion liquid, thereby loading respective metallic salts on the conductive support as hydroxides under an alkaline condition; and an alloying step of heating the conductive support with metallic hydroxides loaded in a reducing atmosphere to reduce them, thereby alloying them.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: March 22, 2011
    Assignee: Cataler Corporation
    Inventors: Hiroaki Takahashi, Sozaburo Ohashi, Tetsuo Kawamura, Yousuke Horiuchi, Toshiharu Tabata, Tomoaki Terada, Takahiro Nagata, Susumu Enomoto
  • Publication number: 20110002807
    Abstract: This steel for induction hardening includes: in terms of mass %, C: 0.40% or more to 0.75% or less; Si: 0.002% or more to 3.0% or less; Mn: 0.20% or more to 2.0% or less; S: 0.002% or more to 0.1% or less; Al: more than 0.10% to 3.0% or less; P: 0.030% or less; and N: 0.035% or less, with the remainder being Fe and inevitable impurities.
    Type: Application
    Filed: January 5, 2010
    Publication date: January 6, 2011
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Hajime Saitoh, Toshiharu Aiso, Masayuki Hashimura, Atsushi Mizuno, Manabu Kubota
  • Patent number: 7794651
    Abstract: Method for reducing the segregated seams of a steel which has high mechanical strength and high wear resistance and whose composition comprises by weight: 0.30%?C?1.42%; 0.05%?Si?1.5%; Mn?1.95%; Ni?2.9%; 1.1%?Cr?7.9%; 0.61%?Mo?4.4%; optionally V?1.45%, Nb?1.45%, Ta?1.45% and V+Nb/2+Ta/4?1.45% ; less than 0.1% of boron, less than 0.19% of (S+Se/2+Te/4), less than 0.01% of calcium, less than 0.5% of rare earths, less than 1% of aluminum, less than 1% of copper; the balance being iron and impurities resulting from the production operation. The composition further complies with: 800?D?1150 with D=540(C)0.25+245 (Mo+3 V+1.5 Nb+0.75 Ta)0.30+125 Cr0.20+15.8 Mn+7.4 Ni+18 Si. According to the method, the molybdenum is completely or partially replaced with double the proportion of tungsten so that W>0.21%, and Ti, Zr, C are adjusted so that, after adjustment, Ti+Zr/2?0.2 W, (Ti+Zr/2)×C?0.07, Ti+Zr/2?1.49% and D is unchanged at approximately 5%. Steel obtained and method for producing a steel workpiece.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: September 14, 2010
    Assignee: Industeel Creusot
    Inventors: Jean Beguinot, Dominique Viale
  • Publication number: 20100209284
    Abstract: 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: Application
    Filed: May 1, 2008
    Publication date: August 19, 2010
    Applicant: SANYO SPECIAL STEEL CO., LTD.
    Inventors: Toshiyuki Sawada, Akihiko Yanagitani
  • Publication number: 20100196189
    Abstract: A high-strength steel sheet has high stretch flangeability after working and corrosion resistance after painting. The steel sheet contains, on the basis of mass percent, C: 0.02% to 0.20%, Si: 0.3% or less, Mn: 0.5% to 2.5%, P: 0.06% or less, S: 0.01% or less, Al: 0.1% or less, Ti: 0.05% to 0.25%, and V: 0.05% to 0.25%, the remainder being Fe and incidental impurities. The steel sheet has a substantially ferritic single phase, the ferritic single phase containing precipitates having a size of less than 20 nm, the precipitates containing 200 to 1750 mass ppm Ti and 150 to 1750 mass ppm V, V dissolved in solid solution being 200 or more but less than 1750 mass ppm.
    Type: Application
    Filed: July 31, 2008
    Publication date: August 5, 2010
    Applicant: JFE STEEL CORPORATION
    Inventors: Koichi Nakagawa, Takeshi Yokota, Nobuyuki Nakamura, Kazuhiro Seto, Satoshi Kinoshiro, Katsumi Yamada
  • Publication number: 20090311125
    Abstract: Provided is a hot-working steel excellent in machinability and impact value comprising, in mass %, C: 0.06 to 0.85%, Si: 0.01 to 1.5%, Mn: 0.05 to 2.0%, P: 0.005 to 0.2%, S: 0.001 to 0.35%, and Al: 0.06 to 1.0% and N: 0.016% or less, in contents satisfying Al×N×105?96, and a balance of Fe and unavoidable impurities, total volume of AlN precipitates of a circle-equivalent diameter exceeding 200 nm accounting for 20% or less of total volume of all AlN precipitates.
    Type: Application
    Filed: April 17, 2008
    Publication date: December 17, 2009
    Inventors: Kei Miyanishi, Masayuki Hashimura, Atsushi Mizuno
  • Publication number: 20090252955
    Abstract: Disclosed is a steel sheet, containing: Si: 0.20-2% (the term “%” herein means “mass %”, the same is true hereinbelow), Mn: 1-2.5%, a total mass of Si and Mn being 1.5% or more, and O: 0.002% or less (exclusive of 0%), C: 0.02-0.25%, P: 0.1% or less (exclusive of 0%), S: 0.05% or less (exclusive of 0%), Al—0.02-0.2%, and N: 0.0015-0.015%. The steel sheet of the invention can be advantageously used for forming wide beads even in high-speed arc welding of 100 cm/min or higher.
    Type: Application
    Filed: June 19, 2009
    Publication date: October 8, 2009
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Tetsuo Soshiroda, Reiichi Suzuki, Kei Yamazaki
  • Patent number: 7462250
    Abstract: The present invention provides a high strength, high toughness steel wire rod useful for a PC steel wire, galvanized steel strands, spring use steel wire, cables for suspension bridges, etc. By hot rolling, then directly patenting or reaustenitizing, then patenting a high carbon steel wire rod of a specific chemical composition of the steel and chemical composition, size, and numerical density of inclusions, piano wire rod or high carbon steel wire rod having a structure of mainly pearlite, having an average value of the proeutectoid cementite area ratio of 5% or less in a center region of less than 20% of the wire rod diameter from the center of the wire rod, having a micromartensite size of the C section of 100 ?m or less, having a tensile strength of the 170 kgf/mm2 class or more, and having a drawing ratio at break of 30% or more is obtained.
    Type: Grant
    Filed: January 27, 2004
    Date of Patent: December 9, 2008
    Assignee: Nippon Steel Corporation
    Inventors: Shingo Yamasaki, Seiki Nishida, Toshiyuki Kajitani, Wataru Yamada, Yoshitaka Nishikawa, Nariyasu Muroga, Nobuyuki Komiya
  • Publication number: 20080156403
    Abstract: Disclosed herein is a steel for high-speed cold working which exhibits good cold workability during working and also exhibits high hardness after working. The steel for high-speed cold working contains C: 0.03 to 0.6% (by mass), Si: 0.005 to 0.6%, Mn: 0.05 to 2%, P: no more than 0.05% (excluding 0%), S: no more than 0.05% (excluding 0%), and N: no more than 0.04% (excluding 0%), with the remainder being iron and inevitable impurities and the amount of dissolved nitrogen in the steel being no less than 0.006%.
    Type: Application
    Filed: December 5, 2007
    Publication date: July 3, 2008
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd)
    Inventors: Tomokazu MASUDA, Takuya Kochi, Shogo Murakami, Hiroshi Yaguchi
  • Publication number: 20080145674
    Abstract: A gas turbine engine component and coating system including a superalloy substrate having a coating system disposed thereon. A bond coating may be applied to the substrate. An adherent layer of ceramic material forming a thermal barrier coating is present on the bond coat layer. A topcoat layer overlies the thermal barrier coating. The topcoat layer includes greater than about 20 wt % yttria.
    Type: Application
    Filed: December 15, 2006
    Publication date: June 19, 2008
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Ramgopal Darolia, Ming Fu
  • Publication number: 20080138235
    Abstract: A (CoFe)ZrNb/Ta/Hf based target material is provided which is capable of achieving a high sputtering efficiency and a high sputtering effect by increasing the leakage magnetic flux in the magnetron sputtering, and a method for producing the target material. This target material is made of an Fe—Co based alloy comprising not less than 80 atomic % in total of Fe and Co having an Fe:Co atomic ratio of 80:20 to 0:100, and less than 20 atomic % of one or more selected from the group consisting of Zr, Hf, Nb and Ta. The Fe—Co based alloy comprises a Co—Fe phase being a ferromagnetic phase, and the one or more selected from the group consisting of Zr, Hf, Nb and Ta are solid-solved into the Co—Fe phase in a total amount of 0.5 to 2 atomic %.
    Type: Application
    Filed: November 16, 2007
    Publication date: June 12, 2008
    Applicant: SANYO SPECIAL STEEL CO., LTD.
    Inventors: Toshiyuki Sawada, Akihiko Yanagitani, Ryoji Hayashi, Yoshikazu Aikawa
  • Patent number: 6942741
    Abstract: An iron alloy strip having a gage of 0.1 to 5 mm and a magnetic field strength variation within the strip of 0 to 10 Hz, made of an iron alloy consisting essentially of, in % by weight, 0.0001-0.02% of C, 0.0001-5% of Si, 0.001-0.2% of Mn, 0.0001-0.05% of P, 0.0001-0.05% of S, 0.0001-5% of Al, 0.001-0.1% of O, 0.0001-0.03% of N, 0-10% of Co, 0-10% of Cr, 0.01-5% in total of Ti, Zr, Nb, Mo, V, Ni, W, Ta and/or B, and the balance of Fe, and having a saturation magnetic flux density of 1.7-2.3 Tesla, a maximum relative permeability of 1,200-22,000 and a coercive force of 20-380 A/m is suited for use as yokes in voice coil motor magnetic circuits. The iron alloy strip is highly resistant to corrosion and eliminates a need for a corrosion resistant coating.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: September 13, 2005
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masanobu Shimao, Masaaki Nishino, Takehisa Minowa
  • Patent number: 6764645
    Abstract: Disclosed is a steel for machine structural use having good machinability and chip-breakability as well as a method of producing the steel. The steel consists essentially of, by wt. %, C: 0.05-0.8%, Si: 0.01-2.0%, Mn: 0.1-3.5%, S: 0.01-0.2%, Al: 0.001-0.020%, Ca: 0.0005-0.02%, O: 0.0005-0.01% and N: 0.001-0.04%, and further, one or both of Ti: 0.002-0.010% and Zr: 0.002-0.025%, the balance being Fe and inevitable impurities. At production of the steel controlled deoxidization is conducted by operation meeting certain conditions so that at least a certain amount of “duplex inclusion” having a specific chemical composition may be formed, and Ti and/or Zr is added to precipitate finely dispersed MnS inclusion particles with nuclei of Ti-oxide and/or Zr-oxide. The finely dispersed MnS inclusions must share a determined part of the total sulfide inclusions.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: July 20, 2004
    Assignee: Diado Steel Co., Ltd.
    Inventors: Masakazu Hayaishi, Takashi Kano, Kazuhisa Ishida, Yutaka Kurebayashi, Makoto Hobo
  • Publication number: 20040037731
    Abstract: By limiting steel compositions with respect to special components and controlling contents of Ti, Zr and S in a steel to a suitable range, fine Ti and Zr sulfides are generated so that a cast steel having excellent internal quality and machinability after casting can be ensured. Then, by casting this cast steel a mold having excellent machinability, whose internal quality as cast is comparable to that of a forged steel product, can be produced. Therefore, the mold of the present invention can be widely applied to use, which severely requires excellent surface properties in products for deep-engraving in which a worked surface reaches the internal portion of the section material or for finishing.
    Type: Application
    Filed: September 2, 2003
    Publication date: February 26, 2004
    Inventors: Yasutaka Okada, Koji Watari
  • Patent number: 6690759
    Abstract: Disclosed herein are zirconium-base alloys excellent in both corrosion resistance and hydrogen absorption property, useful as materials for nuclear reactors. Such a zirconium-base alloy for nuclear reactors comprises 0.5-2 wt. % Sn, 0.07-0.6 wt. % Fe, 0.03-0.2 wt. % Ni, 0.05-0.2 wt. % Cr, and the balance being zirconium and unavoidable impurities, wherein the Fe content (X wt. %) of the zirconium-base alloy and the mean size (Y nm) of precipitates in the zirconium-base alloy are present in a region on the x (Fe content X) and y (mean precipitate size) rectangular coordinates, surrounded by the following five lines: i) Y=−444×X+154, ii) Y=910×X−46, iii) Y=0, iv) Y=300, and v) X=0.6.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: February 10, 2004
    Assignee: Global Nuclear Fuel - Japan Co., Ltd.
    Inventors: Shuichi Nanikawa, Shinji Ishimoto, Toshio Kubo
  • Publication number: 20030178105
    Abstract: Disclosed is a steel for machine structural use having good machinability and chip-breakability as well as a method of producing the steel. The steel consists essentially of, by wt. %, C: 0.05-0.8%, Si: 0.01-2.0%, Mn: 0.1-3.5%, S: 0.01-0.2%, Al: 0.001-0.020%, Ca: 0.0005-0.02%, O: 0.0005-0.01% and N: 0.001-0.04%, and further, one or both of Ti: 0.002-0.010% and Zr: 0.002-0.025%, the balance being Fe and inevitable impurities. At production of the steel controlled deoxidization is conducted by operation meeting certain conditions so that at least a certain amount of “duplex inclusion” having a specific chemical composition may be formed, and Ti and/or Zr is added to precipitate finely dispersed MnS inclusion particles with nuclei of Ti-oxide and/or Zr-oxide. The finely dispersed MnS inclusions must share a determined part of the total sulfide inclusions.
    Type: Application
    Filed: November 27, 2002
    Publication date: September 25, 2003
    Inventors: Masakazu Hayashi, Takashi Kano, Kazuhisa Ishida, Yutaka Kurebayashi, Makoto Hobo
  • Publication number: 20030072672
    Abstract: Disclosed is a free-cutting steel containing Ti- and/or Zr-carbosulfide as inclusion and having good machinability both in turning and drilling. The free-cutting steel consists essentially of, in mass %, C: 0.05-0.80%, Si: 0.01-2.5%, Mn: 0.1-3.5%, Ti+0.52Zr: 0.03-1.2%, S:0.015-0.6% and the balance of Fe and inevitable impurities, and is characterized in that the contents of Ti, Zr and S meet the condition of (Ti+0.52Zr)/S<2. The free-cutting steel may contain, in addition to the above basic alloy composition, Ca: 0.0005-0.02% and/or Mg: 0.0003-0.02%. The latter steel exhibits much more improved machinability.
    Type: Application
    Filed: May 31, 2002
    Publication date: April 17, 2003
    Inventors: Masakazu Hayaishi, Yutaka Kurebayashi
  • Publication number: 20030072673
    Abstract: Disclosed is a free-cutting steel which exhibits good machinability in turning and small roughness of the turned surfaces, and in which substantially no macro-streak-flaw occurs. The free-cutting steel contains, by weight %, C: 0.03-0.20%, Mn: 0.5-3.0%, P: 0.02-0.40%, S: more than 0.2% up to 1.0%, one or both of Ti and Zr (in case of both, the total amount): 0.01-3.0%, O: 0.0005-0.0050% and Pb: less than 0.01%, the balance being Fe and inevitable impurities. The steel is characterized in that it contains, as the inclusion therein, Ti-based and/or Zr-based carbosulfide compound or compounds. The steel may further contain at least one from the group of Bi: up to 0.4%, Se: up to 0.5% and Te: up to 0.1%.
    Type: Application
    Filed: May 31, 2002
    Publication date: April 17, 2003
    Inventors: Masakazu Hayaishi, Yutaka Kurebayashi
  • Patent number: 6159592
    Abstract: A magnetic recording medium comprising: a base film; a non-magnetic undercoat layer formed on said base film, comprising a binder resin and non-magnetic acicular particles containing iron as a main component, which particles comprise iron and zirconium of 0.05 to 30% by weight, calculated as Zr, based on the total weight of the particles, which is present within the particle; and a magnetic recording layer formed on said non-magnetic undercoat layer and comprising magnetic particles and a binder resin. Such a magnetic recording medium has a low light transmittance, an excellent smooth surface, a high mechanical strength and an excellent durability.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: December 12, 2000
    Assignee: Toda Kogyo Corporation
    Inventors: Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii
  • Patent number: 6149862
    Abstract: An alloy and alloy product has about 1.3% to 1.7% by weight concentration of silicon, along with iron, alloying elements, and inevitable impurities and exhibits improved resistance to hydrogen embrittlement and sulfide stress cracking in an intensive hydrogen-charged medium wherein H from the medium acts as an alloying element. The alloy is characterized by an Fe--Si--H system wherein Fe is a donor element with respect to Si and Si is an acceptor element with respect to Fe. Further, the alloying elements are Fe--Si noninteractive elements with respect to Fe and Si, such that the presence of the alloying elements are not donor or acceptor elements with respect to Fe or Si. In several alloy compositions, the alloy has between about 1.38% to 1.63% weight Si. The alloy may further include between about 0.10% to 0.25% weight of C. In one particular alloy, the alloy composition includes about 0.18% of C; although, in one alloy product, an alloy is used having about 0.16% to 0.24% weight of C.
    Type: Grant
    Filed: May 18, 1999
    Date of Patent: November 21, 2000
    Assignee: The Atri Group Ltd.
    Inventors: Naum I. Gliklad, Avgust B. Kuslitskiy, Leonid A. Kuslitskiy
  • Patent number: 5976715
    Abstract: The invention is embodied in a soft magnetic thin film article comprising an iron--chromium-nitrogen (Fe--Cr--N) based alloy and methods for making such article. The soft magnetic thin film article is formed using an iron--chromium--nitrogen based alloy with tantalum in one embodiment and with at least one of the elements titanium (Ti), zirconium (Zr), hafnium (Hf), vanadium (V), molybdenum (Mo), niobium (Nb) or tungsten (W) in another embodiment. The article is formed such that the alloy has a relatively high saturation magnetization (e.g., greater than approximately 15 kG) and a relatively low coercivity (e.g., less than approximately 2.0 oersteds) in an as-deposited condition or, alternatively, with a very low temperature treatment (e.g., below approximately 150.degree. C.). The inventive films are suitable for use in electromagnetic devices, for example, in microtransformer cores, inductor cores and in magnetic read-write heads.
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: November 2, 1999
    Assignee: Lucent Techologies Inc.
    Inventors: Li-Han Chen, Sungho Jin, Wei Zhu, Robert Bruce van Dover
  • Patent number: 5870021
    Abstract: A control element for a magnetomechanical EAS marker is formed of an amorphous metalloid that has been annealed so as to be at least partially crystallized while remaining substantially flat. The annealing is preferably a two-stage process applied to induce semi-hard magnetic characteristics in an amorphous metallic material that is magnetically soft as cast. The two stages include a first stage in which the material is annealed for at least one hour at a temperature that is below a crystallization temperature of the material. The first stage results in a reduction in the volume of the material. The second stage is carried out at a temperature that is above the crystallization temperature and for a time sufficient to crystallize the bulk of the material and give it semi-hard magnetic properties. The two-stage annealing process prevents deformation of the material which has resulted from conventional crystallization processes.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: February 9, 1999
    Assignee: Sensormatic Electronics Corporation
    Inventor: Dennis Michael Gadonniex
  • Patent number: 5767770
    Abstract: A semi-hard magnetic element is formed by at least partially crystallizing an amorphous soft iron-metalloid material. The heating process used to achieve crystallization includes a controlled oxidation stage to increase the level of remanent flux that is provided when the processed magnetic element is placed in a fully magnetized state.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: June 16, 1998
    Assignee: Sensormatic Electronics Corporation
    Inventor: Dennis Michael Gadonniex
  • Patent number: 5741373
    Abstract: An Fe-based soft magnetic alloy having a high saturated magnetic flux density and having a composition represented by formula (I) below:(Fe.sub.1-a Q.sub.a).sub.b B.sub.x T.sub.y T'.sub.z (I)wherein Q represents at least one element selected from the group consisting of Co and Ni; T represents at least one element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Mo and W, with Zr and/or Hf being always included; T' represents at least one element selected from the group consisting of Cu, Ag, Au, Ni, Pd and Pt; a, b, x, y and z are real numbers satisfying relationships below:0.ltoreq.a.ltoreq.0.05,0.ltoreq.b.ltoreq.93 atomic %,0.5.ltoreq.x.ltoreq.16 atomic %,4.ltoreq.y.ltoreq.10 atomic %,0.ltoreq.z.ltoreq.4.5 atomic %provided that when 0<z.ltoreq.4.5 atomic %, Q represents Co and 0<b.ltoreq.92 atomic %; and when z=0, 0.5.ltoreq.x.ltoreq.8 atomic % and 4.ltoreq.y.ltoreq.9 atomic %.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: April 21, 1998
    Assignees: Alps Electric Co., Ltd., Tsuyoshi Masumoto
    Inventors: Kiyonori Suzuki, Akihiro Makino, Tsuyoshi Masumoto, Akihisa Inoue, Noriyuki Kataoka
  • Patent number: 5549766
    Abstract: A permanent magnet is composed of a magnetic material which is represented by a general formula R1.sub.x R2.sub.y A.sub.z Co.sub.u Fe.sub.100-x-y-z-u (where R1 is at least one element selected from rare earth elements, R2 is at least one element selected from the group consisting of Sc, Zr and Hf, A is at least one element selected from the group of C, N and P, and x,y,z and u are atomic percent defined as 2.ltoreq.x, 4.ltoreq.x+y.ltoreq.20, 0.ltoreq.z.ltoreq.20, 0.ltoreq.u.ltoreq.70), wherein the material includes a principal phase of TbCu.sub.7 structure and .alpha.-Fe, a peak width at half height of the main peak of X-ray diffraction of the principal phase obtained by using Cu-K.alpha. X-rays with the resolution of 0.02.degree. or less is about 0.8.degree. or less, and a ratio of peak intensity between the principal phase and .alpha.-Fe satisfies a relation that the value of I.sub.Fe /(I.sub.p +I.sub.Fe) is about 0.4 or less where I.sub.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: August 27, 1996
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akihiko Tsutai, Takahiro Hirai, Shinya Sakurada
  • Patent number: 5482573
    Abstract: A magnetic material with an improved maximum energy product useful for high performance permanent magnet, bond magnet and other applications is disclosed. The magnetic material is expressed in a general formula R1.sub.x R2.sub.y M.sub.100-x-y where R1 is at least one element selected from the rare earth elements, R2 is at least one element selected from elements having an atomic radius in a range of 0.156 to 0.174 nm, M is at least one element selected from Fe and Co and x and y are atomic percent individually defined as x.gtoreq.2, y.gtoreq.0.01 and 4.ltoreq.x+y.ltoreq.20, and M occupying 90 atomic percent or more in the principal phase of the compound.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: January 9, 1996
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shinya Sakurada, Takahiro Hirai, Akihiko Tsutai, Masashi Sahashi, Hideo Nagai, Tsutomu Yamashita
  • Patent number: 5449419
    Abstract: An Fe-based soft magnetic alloy having a high saturated magnetic flux density and having a composition represented by formula (I) below:(Fe.sub.1-a Q.sub.a).sub.b B.sub.x T.sub.y T'.sub.z (I)wherein Q represents at least one element selected from the group consisting of Co and Ni; T represents at least one element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Mo and W, with Zr and/or Hf being always included; T' represents at least one element selected from the group consisting of Cu, Ag, Au, Ni, Pd and Pt; a, b, x, y and z are real numbers satisfying relationships below:0.ltoreq.a.ltoreq.0.05 atomic %,0<b.ltoreq.93 atomic %,0.5.ltoreq.x.ltoreq.16 atomic %,4.ltoreq.y.ltoreq.10 atomic %,0.ltoreq.z.ltoreq.4.5 atomic %provided that when 0<z.ltoreq.4.5 atomic %, Q represents Co and 0<b.ltoreq.92 atomic %; and when z=0, 0.5.ltoreq.x.ltoreq.8 atomic % and 4.ltoreq.y.ltoreq.9 atomic %.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: September 12, 1995
    Assignees: Alps Electric Co., Ltd., Tsuyoshi Masumoto
    Inventors: Kiyonori Suzuki, Akihiro Makino, Tsuyoshi Masumoto, Akihisa Inoue, Noriyuki Kataoka
  • Patent number: 5432645
    Abstract: The thin film of the invention for use in a magnetic head has an atomic ratio composition of the formula:(Fe.sub.100-z Ni.sub.z).sub.100-x-y M.sub.x N.sub.ywherein M is at least one member selected from the group consisting of Mg, Ca, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, and B, 6.ltoreq.x.ltoreq.14, 6.2.ltoreq.y.ltoreq.15, 0.6.ltoreq.y/x.ltoreq.2.0, and 0.ltoreq.z.ltoreq.10, and has a relative intensity ratio of Fe (200) peak to Fe (110) peak in an X-ray diffraction spectrum of at least 1 and high Fe (100) orientation, with a film surface oriented in (200) plane. Heat treatment improves the (100) orientation. The thin film has very high heat resistance of remaining stable at 700.degree. C. or higher and excellent soft magnetic properties in that it has a high saturation magnetic flux density Bs, a low coercive force, a high magnetic permeability, and minimized magnetostriction. It is hard enough.
    Type: Grant
    Filed: March 21, 1994
    Date of Patent: July 11, 1995
    Assignee: TDK Corporation
    Inventors: Kouichi Terunuma, Masahiro Miyazaki
  • Patent number: 5382305
    Abstract: The soft magnetic thin film of the invention has an atomic ratio composition of the formula:[(Fe.sub.1-y Ni.sub.y).sub.1-x M.sub.x ].sub.1-z N.sub.zwherein M is at least one member selected from the group consisting of Mg, Ca, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, and B, 0.001.ltoreq.x.ltoreq.0.15, 0.ltoreq.y.ltoreq.0.1, and 0.001.ltoreq.z.ltoreq.0.15, and has a relative intensity ratio of Fe (200) peak to Fe (110) peak in an X-ray diffraction spectrum of at least 1/3 and high Fe (100) orientation. It has excellent soft magnetic properties in that it has a high saturation magnetic flux density Bs, heat resistance, a low coercive force Hc, and a high magnetic permeability .mu.. A magnetic head using such a thin film has improved otherwise properties, recording/reproducing sensitivity, and electromagnetic properties, and is highly reliable.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: January 17, 1995
    Assignee: TDK Corporation
    Inventors: Kouichi Terunuma, Masahiro Miyazaki
  • Patent number: 5244627
    Abstract: A ferromagnetic thin film comprising Fe as a main component, at least one element of B, C, Al and Si and at least one transition metal element except noble metals Au, Ag, Ru, Pd, Os, Ir and Pt. This can accomplish a ferromagnetic thin film having a high saturation flux density, a high initial permeability and a low coercive force, and also having an excellent corrosion resistance and thermal resistance. The ferromagnetic thin film having the above high performances can be manufactured in a high yield by forming the above materials into a film in an atmosphere of a mixed gas of Ar and N.sub.2, and thereafter heating the film at a given temperature. It is possible to give a magnetic head suitable for high-density recording, that enables good recording and reproducing on and from a magnetic recording medium having a high coercive force.
    Type: Grant
    Filed: December 11, 1991
    Date of Patent: September 14, 1993
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Toshiyuki Katsuki
  • Patent number: 5104464
    Abstract: A soft magnetic alloy film has a composition formula expressed by Fex Mz Cw. M is at least one metallic element selected from a group consisting of Ti, Zr, Hf, Nb, Ta, Mo or W, or a mixture of these metallic elements. The composition ratio of x, z and w satisfies the relation expressed by 50 atomic %.ltoreq.x.ltoreq.96 atomic %, 2 atomic %.ltoreq.z.ltoreq.30 atomic %, 0.5 atomic %.ltoreq.w.ltoreq.25 atomic %, and x+z+w=100. The metallic structure of the soft magnetic alloy film basically consists of crystal grains having an average grain size of 0.08 .mu.m or below. The metallic structure contains the crystal phase of carbide of the element M.
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: April 14, 1992
    Assignee: Alps Electric Co., Ltd.
    Inventor: Naoya Hasegawa
  • Patent number: 4885128
    Abstract: Method for extending service life of nuclear reactor components prepared from ductile, high strength crystalline alloys obtained by devitrification of metallic glasses. Two variations of the method are described: (1) cycling the temperature of the nuclear reactor between the operating temperature which leads to irradiation damage and a lThe U.S. Government has rights in this invention by virtue of Department of Energy, Office of Fusion Energy, Grant No. DE-AC02-78ER-10107.
    Type: Grant
    Filed: July 30, 1985
    Date of Patent: December 5, 1989
    Assignee: Janez Megusar
    Inventors: Janez Megusar, Otto K. Harling, Nicholas J. Grant
  • Patent number: RE33022
    Abstract: A ferromagnetic amorphous alloy having a composition represented by (Co.sub.x Ni.sub.y Fe.sub.z).sub.a M.sub.b G.sub.c, wherein M is Cr, Mo and/or W, G is Zr, Hf and/or Ti and x,y,z and a, b, c are selected to meet the conditions of x=1-y-z, 0.ltoreq.y.ltoreq.0.2, 0.ltoreq.z.ltoreq.0.7, a=1-b-c, 0.ltoreq.b.ltoreq.0.05 and 0.05.ltoreq.c.ltoreq.0.2 This amorphous alloy has a superior magnetic characteristic and a high thermal stability.
    Type: Grant
    Filed: November 5, 1987
    Date of Patent: August 15, 1989
    Assignees: Hitachi, Ltd., Hitachi Metals, Ltd., Research Development Corp. of Japan
    Inventors: Shinji Takayama, Yasuo Tsukuda, Kazuo Shiiki, Shigekazu Otomo, Mitsuhiro Kudo, Yasunobu Ogata, Yoshizo Sawada