Aluminum Containing Patents (Class 420/471)
  • Patent number: 10760146
    Abstract: A copper alloy for fastening wherein the alloy has a structure of a mixture of ?-phase and a ?-phase; and wherein the alloy has a composition represented by the general formula: Cubal.ZnaMnb, where bal., a, and b are expressed in % by mass, bal. represents the balance, 34?a?40.5, 0.1?b?6, and inevitable impurities may be contained; and the composition satisfying the equation (1): b?(?8a+300)/7, where 34?a<37.5 and equation (2): b?(?5.5a+225.25)/5, where 35.5?a?40.5.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: September 1, 2020
    Assignee: YKK Corporation
    Inventors: Kouta Kido, Takuya Koizumi, Yasuharu Yoshimura, Takahiro Fukuyama, Atsushi Ogihara, Kouichi Mikado, Jun Kiyohara, Yoshio Taira
  • Patent number: 10626483
    Abstract: A copper alloy wire rod has a chemical composition comprising Ag: 0.1 to 6.0 mass % and P: 0 to 20 mass ppm, the balance being copper with inevitable impurities. In a cross section parallel to a longitudinal direction of the wire rod, a number density of second phase particles each having an aspect ratio of greater than or equal to 1.5 and a size in a direction perpendicular to the longitudinal direction of the wire rod of less than or equal to 200 nm is greater than or equal to 1.4 particles/?m2.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: April 21, 2020
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Shigeki Sekiya, Hidemichi Fujiwara, Kengo Mitose
  • Patent number: 10570484
    Abstract: The present disclosure relates to a high-tensile brass alloy containing 55-65 wt-% copper; 1-2.5 wt-% manganese; 0.7-2 wt % tin; 0.2-1.5 wt % iron; 2-4 wt % nitrogen; 2-5 wt % aluminum; 0.2-2 wt % silicon; 2.0 wt % cobalt maximum; and the remainder zinc together with unavoidable impurities, wherein the sum of the elements manganese and tin is at least 1.7 wt % and at most 4.5 wt.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: February 25, 2020
    Assignee: OTTO FUCHS KOMMANDITGESELLSCHAFT
    Inventors: Thomas Plett, Björn Reetz, Hermann Gummert
  • Patent number: 9644250
    Abstract: A shear plane ratio is reduced by a dislocation density in which a value obtained by dividing the half-value width ? of the intensity of diffraction of {311} plane in the surface of a Cu—Fe—P alloy sheet, by its peak height H, is 0.015 or more. In addition, a Cu—Fe—P alloy sheet with relatively small Fe content is provided with a texture in which a ratio (I(200)/I(220)) of intensity of diffraction of (I(200)) from the (200) plane in the sheet surface to intensity of diffraction of (I(220)) from the (220) plane, is 0.3 or less. In addition, a Cu—Fe—P alloy sheet with relatively small Fe content is provided with a texture in which the orientation distribution density of Brass orientation measured by the crystal orientation analysis method using an EBSP by an FE-SEM, is 25% or more; and an average grain size in the sheet is 6.0 ?m or less.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: May 9, 2017
    Assignee: KOBE STEEL, LTD.
    Inventors: Yasuhiro Aruga, Ryoichi Ozaki, Yosuke Miwa
  • Patent number: 9496064
    Abstract: A copper alloy for electric and electronic devices comprises 23 mass % to 36.5 mass % of Zn; 0.1 mass % to 0.9 mass % of Sn; 0.15 mass % to less than 1.0 mass % of Ni; 0.001 mass % to less than 0.10 mass % of Fe; 0.005 mass % to 0.1 mass % of P; and a balance including Cu and unavoidable impurities, in which 0.002?Fe/Ni<0.7, 3<(Ni+Fe)/P<15, and 0.3<Sn/(Ni+Fe)<2.9, are satisfied by atomic ratio, and a fraction R{220} of the X-ray diffraction intensity from the {220} plane is 0.8 or less.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: November 15, 2016
    Assignees: MITSUBISHI MATERIALS CORPORATION, MITSUBISHI SHINDOH CO., LTD.
    Inventors: Kazunari Maki, Hiroyuki Mori, Daiki Yamashita
  • Patent number: 9163300
    Abstract: A high strength and high conductivity copper alloy pipe, rod, or wire is composed of an alloy composition containing 0.13 to 0.33 mass % of Co, 0.044 to 0.097 mass % of P, 0.005 to 0.80 mass % of Sn, and 0.00005 to 0.0050 mass % of O, wherein a content [Co] mass % of Co and a content [P] mass % of P satisfy a relationship of 2.9?([Co]?0.007)/([P]?0.008)?6.1, and the remainder includes Cu and inevitable impurities. The high strength and high conductivity copper alloy pipe, rod, or wire is produced by a process including a hot extruding process. Strength and conductivity of the high strength and high conductivity copper pipe, rod, or wire are improved by uniform precipitation of a compound of Co and P and by solid solution of Sn.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: October 20, 2015
    Assignee: MITSUBISHI SHINDOH CO., LTD.
    Inventor: Keiichiro Oishi
  • Publication number: 20150104347
    Abstract: A low shrinkage corrosion-resistant brass alloy contains 58 to 64 wt % of copper; 0.1 to 0.3 wt % of tin; less than 0.25 wt % of lead; 0.01 to 0.15 wt % of phosphorus; and more than 97.5 wt % of copper and zinc; zinc and unavoidable impurities; and more than 98 wt % of copper and zinc. It is to be noted that at least two of nickel, niobium, zirconium and aluminum is in an amount ranging from 0.01 to 0.4 wt %.
    Type: Application
    Filed: October 10, 2013
    Publication date: April 16, 2015
    Inventors: Weite Wu, Wenlin Lo, Hungching Lu, Yingjiun Lin
  • Patent number: 9002499
    Abstract: Methods for determining a recovery state of a metal alloy are disclosed herein. In one example, a fluctuation in a crystallographic grain orientation of the metal alloy is determined by utilizing electron backscatter diffraction (EBSD) data of the metal alloy. A processor of an electron backscatter diffraction machine utilizes a local orientation deviation quantifier to correlate the fluctuation in the crystallographic grain orientation of the metal alloy with a plastic strain recovery of the metal alloy. Other examples of the method are also disclosed herein.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: April 7, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Rajesh Raghavan, Shashank Tiwari, Sushil Kumar Mishra
  • Publication number: 20150071813
    Abstract: A brass alloy is provided having good mechanical properties and castability, and excellent general-purpose properties, while its dezincification corrosion is inhibited. The brass alloy contains 0.4% by mass or more and 3.2% by mass or less of Al; 0.001% by mass or more and 0.3% by mass or less of P; 0.1% by mass or more and 4.5% by mass or less of Bi; 0% by mass or more and 5.5% by mass or less of Ni; 0% by mass or more and 0.5% by mass or less of Mn, Fe, Pb, Sn, Si, Mg, and Cd, respectively; and Zn; the balance being Cu and a trace element or elements. The zinc equivalent (Zneq) calculated from the content of Zn and other elements, and the content of Al (% by mass) satisfy the following Equations (1) and (2): Zneq+1.7×Al?35.0??(1) Zneq?0.45×Al?37.0??(2).
    Type: Application
    Filed: February 21, 2013
    Publication date: March 12, 2015
    Inventors: Hiroshi Yamada, Masaaki Yamamoto
  • Patent number: 8968492
    Abstract: There is provided a brass free from lead (Pb) and possessing excellent machinability, castability, mechanical properties and other properties. A brass consisting of not less than 55% by weight and not more than 75% by weight of copper (Cu), not less than 0.3% by weight and not more than 4.0% by weight of bismuth (Bi), and y % by weight of boron (B) and x % by weight of silicon (Si), y and x satisfying the following requirements: 0?x?2.0, 0?y?0.3, and y>?0.15x+0.015ab, wherein a is 0.2 when Bi is 0.3% by weight ?Bi<0.75% by weight; 0.85 when Bi is 0.75% by weight ?Bi<1.5% by weight; and 1 when Bi is 1.5% by weight ?Bi?4.0% by weight, b is 1 when the apparent content of zinc (Zn) is not less than 37% and less than 41%; and 0.75 when the apparent content of Zn is not less than 41% and not more than 45%, the balance consisting of Zn and unavoidable impurities, is excellent in castability, as well as, for example, in machinability and mechanical properties.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: March 3, 2015
    Assignee: Toto Ltd.
    Inventor: Toru Uchida
  • Publication number: 20150044089
    Abstract: The free-cutting copper alloy according to the present invention contains a greatly reduced amount of lead in comparison with conventional free-cutting copper alloys, but provides industrially satisfactory machinability. The free-cutting alloys comprise 69 to 79 percent, by weight, of copper, 2.0 to 4.0 percent, by weight, of silicon, 0.02 to 0.4 percent, by weight, of lead, and the remaining percent, by weight, of zinc.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 12, 2015
    Inventor: Keiichiro Oishi
  • Publication number: 20140259674
    Abstract: In accordance with an exemplary embodiment, a high-strength brass alloy includes, by mass %, about 1.3% to about 2.3% of aluminum (Al), about 1.5% to about 3.0% of manganese (Mn), about 1% maximum of iron (Fe), about 1% maximum of nickel (Ni), about 0.4% maximum of tin (Sn), about 0.5% to about 2.0% of silicon (Si), about 57% to about 60% of copper (Cu), less than about 0.1% of lead (Pb), and the balance of zinc (Zn) and inevitable impurities, with the proviso that the ratio of Si/Mn is in the range of about 0.3 to about 0.7, and with the further proviso that the “zinc equivalent” content according to the following formula: ZnEq=Zn+Si*10?Mn/2+Al*5 is from about 51% to about 58%.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Shouxing Zhu, Bin Shen, Marc Wilson
  • Publication number: 20140251488
    Abstract: A hot-forged copper alloy part which has a tubular shape, in which an alloy composition contains 59.0 mass % to 84.0 mass % of Cu and 0.003 mass % to 0.3 mass % of Pb with a remainder of Zn and inevitable impurities, a content of Cu [Cu] mass % and a content of Pb [Pb] mass % have a relationship of 59?([Cu]+0.5×[Pb])?64, a shape of the forged part satisfies a formula of 0.4?(average inner diameter)/(average outer diameter)?0.92, 0.04?(average thickness)/(average outer diameter)?0.3, and 1?(tube axis direction length)/(average thickness))?10, a forging material which is to be hot-forged has a tubular shape and satisfies 0.3?(average inner diameter/average outer diameter)?0.88, 0.06?(average thickness)/(average outer diameter)?0.35, and 0.8?(tube axis direction length)/(average thickness))?12, and 0%?(degree of uneven thickness)?30%, 0?(degree of uneven thickness)?75×1/((tube axis direction length)/(average thickness))1/2 in any location in a tube axis direction.
    Type: Application
    Filed: November 2, 2012
    Publication date: September 11, 2014
    Applicant: Mitsubishi Shindoh Co., Ltd
    Inventors: Keiichiro Oishi, Takayuki Oka, Shin Oikawa
  • Publication number: 20140234156
    Abstract: Disclosed is a brass that possesses high corrosion resistance even without undergoing a heat treatment step contemplated for dezincification corrosion suppression. This brass includes 55% by mass to 75% by mass of Cu (copper), 0.01% by mass to 1.5% by mass of Si (silicon), Sn (tin) and Al (aluminum) in such amounts as to satisfy a prescribed relationship with an apparent Zn content, less than 0.25% by mass of Mn (manganese) as an optional ingredient, less than 0.05% by mass of Ti (titanium) as an optional ingredient, less than 0.3% by mass of Mg (magnesium) as an optional ingredient, less than 0.15% by mass of P (phosphorus) as an optional ingredient, and less than 0.004% by mass of a rare earth metal as an optional ingredient with the balance consisting of Zn (zinc) and unavoidable impurities, the apparent zinc content being 37 to 45.
    Type: Application
    Filed: February 1, 2013
    Publication date: August 21, 2014
    Inventor: Toru Uchida
  • Publication number: 20140227128
    Abstract: This copper alloy with high strength and high electrical conductivity includes: Mg: more than 1.0% by mass to less than 4% by mass; and Sn: more than 0.1% by mass to less than 5% by mass, with a remainder including Cu and inevitable impurities, wherein a mass ratio Mg/Sn of a content of Mg to a content of Sn is in a range of 0.4 or more. This copper alloy with high strength and high electrical conductivity may further include Ni: more than 0.1% by mass to less than 7% by mass.
    Type: Application
    Filed: April 22, 2014
    Publication date: August 14, 2014
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kazunari Maki, Yuki Ito
  • Patent number: 8795446
    Abstract: A copper alloy material, having an alloy composition containing any one or both of Ni and Co in an amount of 0.4 to 5.0 mass % in total, and Si in an amount of 0.1 to 1.5 mass %, with the balance being copper and unavoidable impurities, wherein a ratio of an area of grains in which an angle of orientation deviated from S-orientation {2 3 1}<3 4 6> is within 30° is 60 % or more, according to a crystal orientation analysis in EBSD measurement; an electrical or electronic part formed by working the copper alloy material; and a method of producing the copper alloy material.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: August 5, 2014
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Hiroshi Kaneko, Kiyoshige Hirose, Tatsuhiko Eguchi
  • Publication number: 20140010704
    Abstract: To provide a copper alloy wire being a filamentary material of a copper alloy containing, in percent by mass, Ni: 3.0 to 15.0%, Al: 0.5 to 5.0%, and Si: 0.1 to 3.0%, with the remainder being composed of Cu and incidental impurities, which is provided with the tensile strength (?B) of 900 to 1300 MPa and electrical conductivity of 10 to 22% IACS and, in addition to that property, satisfies an intensity ratio of A:B:C of 1.0:1.2 to 6.0:2.2 to 8.
    Type: Application
    Filed: December 13, 2011
    Publication date: January 9, 2014
    Applicants: Nippon Seisen Co., Ltd.
    Inventors: Kiyohito Ishida, Takayuki Akizuki
  • Patent number: 8568656
    Abstract: The present invention provides an environment-friendly manganese brass alloy, which comprises 55˜65 wt % of Cu, 1.0˜6.5 wt % of Mn, 0.2˜3.0 wt % of Al, 0˜3.0 wt % of Fe, 0.3˜2.0 wt % of Sn, 0.01˜0.3 wt % of Mg, 0˜0.3 wt % of Bi and/or 0˜0.2 wt % of Pb, the balance being Zn and unavoidable impurities. The alloys not only have superior mechanical properties, castability, cutability and corrosion resistance, especially stress corrosion resistance properties, but also have the advantages of low manufacturing costs and simple manufacturing process etc, which is suitable for making components through forging, casting, cutting and other manufacturing methods, especially suitable for making water tap bodies and valves through forging, casting and cutting processes.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: October 29, 2013
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Zhenqing Hu, Chuankai Xu, Qing Lv, Nianrun Zhou, Jia Long, Siqi Zhang
  • Publication number: 20130280120
    Abstract: The present invention relates to Cu33Al17 alloys and Cu33Al17-based bulk alloys and coatings that exhibit significantly increased hardness characteristics compared to traditional copper-aluminum alloys
    Type: Application
    Filed: March 15, 2013
    Publication date: October 24, 2013
    Inventor: United States Department of Energy
  • Publication number: 20130276938
    Abstract: The free-cutting copper alloy according to the present invention contains a greatly reduced amount of lead in comparison with conventional free-cutting copper alloys, but provides industrially satisfactory machinability. The free-cutting alloys comprise 69 to 79 percent, by weight, of copper, 2.0 to 4.0 percent, by weight, of silicon, 0.02 to 0.4 percent, by weight, of lead, and the remaining percent, by weight, of zinc.
    Type: Application
    Filed: March 14, 2013
    Publication date: October 24, 2013
    Inventor: Mitsubishi Shindoh Co., Ltd.
  • Publication number: 20130142691
    Abstract: Provided is a method for preventing the elution of Bi from copper alloy, in which the elution of Bi is prevented in leadless copper-alloy plumbing equipment and the like containing a trace of lead and a predetermined amount of Bi. The present invention relates to a method for preventing the elution of Bi from copper alloy in which at least Bi present on the surface of copper alloy containing Bi is selectively removed by preferentially dissolving Bi in a 4 to 20 mass % concentration of nitric acid while suppressing Cu dissolution. Furthermore, elution of Pb is suppressed using a 10-20 mass % concentration of nitric acid. In this case, by removing at least Bi present on the surface of copper alloy containing Bi using nitric acid and then treating the surface of the copper alloy by shot-blasting corrosive products, such as oxides, produced from the nitric acid are removed, and gloss is imparted to the surface.
    Type: Application
    Filed: August 24, 2011
    Publication date: June 6, 2013
    Applicant: KITZ CORPORATION
    Inventor: Tomoyuki Ozasa
  • Patent number: 8435361
    Abstract: A novel copper-zinc alloy is particularly suited for a valve guide. The copper-zinc alloy contains 59 to 73% copper, 2.7 to 8.3% manganese, 1.5 to 6% aluminum, 0.2 to 4% silicon, 0.2 to 3% iron, 0 to 2% lead, 0 to 2% nickel, 0 to 0.2% tin, remainder zinc and inevitable impurities.
    Type: Grant
    Filed: June 1, 2007
    Date of Patent: May 7, 2013
    Assignee: Diehl Metall Stiftung & Co. KG
    Inventors: Norbert Gaag, Alexander Dehnelt
  • Publication number: 20130078137
    Abstract: A copper zinc alloy that is used as a material for a sliding bearing wherein the alloy comprises 59-73% copper, 2.7-8.5% manganese, 1.5-6.3% aluminum, 0.2-4% silicon, 0.2-3% iron, 0-2% lead, 0-2% nickel, 0-0.4% tin, residual zinc and unavoidable impurities.
    Type: Application
    Filed: November 26, 2012
    Publication date: March 28, 2013
    Inventor: Norbert Gaag
  • Publication number: 20130028784
    Abstract: A copper alloy wrought material, containing 1.5 to 7.0 mass % of Ni, 0.3 to 2.3 mass % of Si, 0.02 to 1.0 mass % of S, and optionally at least one selected from the group consisting of Sn, Mn, Co, Zr, Ti, Fe, Cr, Al, P, and Zn in a total amount of 0.05 to 2.0 mass %, with the balance being Cu and unavoidable impurities, wherein sulfide particles, which contribute to machinability, are dispersed therein, in which an average diameter of the sulfide particles is 0.1 to 10 ?m, and in which an area ratio of the sulfide particles is 0.1 to 10%, and wherein the copper alloy wrought material has a tensile strength of 500 MPa or greater and an electrical conductivity of 25% IACS or higher.
    Type: Application
    Filed: October 5, 2012
    Publication date: January 31, 2013
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventor: FURUKAWA ELECTRIC CO., LTD.
  • Publication number: 20120308429
    Abstract: A shear plane ratio is reduced by a dislocation density in which a value obtained by dividing the half-value width ? of the intensity of diffraction of {311} plane in the surface of a Cu—Fe—P alloy sheet, by its peak height H, is 0.015 or more. In addition, a Cu—Fe—P alloy sheet with relatively small Fe content is provided with a texture in which a ratio (I(200)/I(220)) of intensity of diffraction of (I(200)) from the (200) plane in the sheet surface to intensity of diffraction of (I(220)) from the (220) plane, is 0.3 or less. In addition, a Cu—Fe—P alloy sheet with relatively small Fe content is provided with a texture in which the orientation distribution density of Brass orientation measured by the crystal orientation analysis method using an EBSP by an FE-SEM, is 25% or more; and an average grain size in the sheet is 6.0 ?m or less.
    Type: Application
    Filed: August 14, 2012
    Publication date: December 6, 2012
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yasuhiro ARUGA, Ryoichi Ozaki, Yosuke Miwa
  • Publication number: 20120294754
    Abstract: This copper alloy with high strength and high electrical conductivity includes: Mg: more than 1.0% by mass to less than 4% by mass; and Sn: more than 0.1% by mass to less than 5% by mass, with a remainder including Cu and inevitable impurities, wherein a mass ratio Mg/Sn of a content of Mg to a content of Sn is in a range of 0.4 or more. This copper alloy with high strength and high electrical conductivity may further include Ni: more than 0.1% by mass to less than 7% by mass.
    Type: Application
    Filed: January 6, 2011
    Publication date: November 22, 2012
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kazunari Maki, Yuki Ito
  • Publication number: 20120258809
    Abstract: The invention relates to a copper-tin multicomponent bronze consisting of (in % by weight): 0.5 to 14.0% Sn, 0.01 to 8.0% Zn, 0.01 to 0.8% Cr, 0.05 to 2.0% Al, 0.01 to 2.0% Si, optionally in addition up to a maximum of 0.1 to 3.0% Mn and optionally in addition up to a maximum of 0.08% P and optionally in addition up to a maximum of 0.08% S, remainder copper and unavoidable impurities, wherein, in the structure, silicides and/or chromium particles are deposited, which are surrounded by a tin film in the form of a highly tin-containing accumulation. A further aspect of the invention relates to a process for producing strips, plates, bolts, wires, rods, tubes and profiles of the copper-tin multicomponent bronze according to the invention, and also to a use.
    Type: Application
    Filed: April 5, 2012
    Publication date: October 11, 2012
    Inventor: Kai Weber
  • Publication number: 20120251382
    Abstract: A lead-free free-cutting corrosion-resistant silicon-bismuth brass alloy, including the following: between 60.0 and 65.0 wt % of Cu, between 0.6 and 1.8 wt % of Si, between 0.2 and 1.5 wt % of Bi, between 0.02 and 0.5 wt % of Al, less than 1.5 wt % of Ni+Mn+Sn, between 0.01 and 0.5 wt % of La—Ce alloy, between 0.002 and 0.02 wt % of B, with the remainder being Zn and inevitable impurities, wherein the total amount of impurities are no more than 0.5 wt %.
    Type: Application
    Filed: September 23, 2011
    Publication date: October 4, 2012
    Applicant: NINGBO XINGAODA ADVANCED METALLIC MATERIALS CO., LTD.
    Inventors: Feng Peng, Baoping Xia, Jianping Liu, Bin Feng, Changshun Zheng, Wenjian Liu
  • Patent number: 8246764
    Abstract: A first copper alloy sputtering target comprising 0.5 to 4.0 wt % of Al and 0.5 wtppm or less of Si and a second copper alloy sputtering target comprising 0.5 to 4.0 wt % of Sn and 0.5 wtppm or less of Mn are disclosed. The first and/or the second alloy sputtering target can further comprise one or more elements selected from among Sb, Zr, Ti, Cr, Ag, Au, Cd, In and As in a total amount of 1.0 wtppm or less. A semiconductor element wiring formed by the use of the above targets is also disclosed. The above copper alloy sputtering target allows the formation of a wiring material for a semiconductor element, in particular, a seed layer being stable, uniform and free from the occurrence of coagulation during electrolytic copper plating and exhibits excellent sputtering film formation characteristics.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: August 21, 2012
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Takeo Okabe, Hirohito Miyashita
  • Publication number: 20120121455
    Abstract: A composition for a low lead ingot comprising primarily copper and including tin, zinc, sulfur, phosphorus, nickel. The composition may contain manganese. The low lead ingot, when solidified, includes sulfur or sulfur containing compounds such as sulfides distributed through the ingot. The presence and a substantially uniform distribution of these sulfur compounds imparts improved machinability and better mechanical properties.
    Type: Application
    Filed: October 28, 2011
    Publication date: May 17, 2012
    Inventors: Michael Murray, Mahi Sahoo
  • Patent number: 8171886
    Abstract: A fish cultivation net 3 has a rhombically netted form made by arranging a large number of waved wires 6 in parallel such that the adjacent wires are entwined with each other at their curved portions 6a. The wires 6 has a composition containing 62 to 91 mass % of Cu, 0.01 to 4 mass % of Sn, and the balance being Zn. The Cu content [Cu] and the Sn content [Sn] in terms of mass % satisfy the relationship 62?[Cu]?0.5[Sn]?90. The copper alloy material has a phase structure including an ? phase, a ? phase, and a ? phase and the total area ratio of these phases is 95 to 100%.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: May 8, 2012
    Assignee: Mitsubishi Shindoh Co., Ltd.
    Inventor: Keiichiro Oishi
  • Publication number: 20120073712
    Abstract: Alloy containing between 1% and 20% by weight of Ni, between 1% and 20% by weight of Sn, between 0.5%, 3% by weight of Pb in Cu which represents at least 50% by weight of the alloy; characterized in that the alloy further contains between 0.01% and 5% by weight of P or B alone or in combination. The invention also pertains to a metallic product having enhanced mechanical resistance at intermediate temperatures (300° C. to 700° C.) and excellent machinability. The metallic product of the invention can be advantageously used for the fabrication of connectors, electromechanical, or micromechanical pieces.
    Type: Application
    Filed: October 7, 2011
    Publication date: March 29, 2012
    Applicant: SWISSMETAL- UMS USINES METALLURGIQUES SUISSES SA
    Inventors: Natanael Dewobroto, Doris Empl, Laurent Felberbaum, Vincent Laporte, Andreas Mortensen, Andreas Rossoll, Emmanuel Vincent
  • Publication number: 20120027638
    Abstract: A high-strength copper alloy contains 20 to 45% of zinc, 0.3 to 1.5% of iron, 0.3 to 1.5% of chromium, and a balance of copper, based on mass.
    Type: Application
    Filed: April 16, 2010
    Publication date: February 2, 2012
    Applicant: San-Etsu Metals Co., Ltd.
    Inventors: Yoshiharu Kosaka, Akimichi Kojima, Katsuyoshi Kondoh
  • Patent number: 8097208
    Abstract: A white bronze alloy consisting essentially of, in weight percent, about 0.3-1.5 wt % aluminum, about 0.5-2.0 wt % bismuth, about 61-66 wt % copper, about 0.0-0.5 wt % iron, about 11-15 wt % manganese, about 4.0-6.0 wt % nickel, about 0.5-2.0 wt % tin, and about 16-20 wt % zinc, as well as incidental amounts of impurities. The alloy is expected to have antimicrobial properties which make the alloy desirable for fabrication into food handling equipment and products for hospitals, bathrooms, and kitchens.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: January 17, 2012
    Assignee: G&W Electric Company
    Inventor: Geary R. Smith
  • Publication number: 20110229367
    Abstract: An alloy including at least 6 weight percent aluminum, greater than 6 weight percent nickel, and at least 50 weight percent copper. In some embodiments, the alloy includes 6 to 9 weight percent aluminum, 6 to 11 weight percent nickel, 1.5 to 3 weight percent iron, 1.5 to 3 weight percent manganese, 1 to 3 weight percent silicon, 1 to 5 weight percent tin, and 75 to 80 weight percent copper. The alloy is particularly suitable for jewelry, e.g., wrist watches, and materials exposed to aquatic environments for extended periods of time, e.g., boat hulls and boat propellers.
    Type: Application
    Filed: March 16, 2011
    Publication date: September 22, 2011
    Inventor: SHAU-KUAN CHIU
  • Publication number: 20110223056
    Abstract: The present invention relates to a Cu—Ni—Sn—P-based copper alloy sheet having a specific composition, where (1) the copper alloy sheet is set to have an electrical conductivity of 32% IACS or more, a stress relaxation ratio in the direction parallel to the rolling direction of 15% or less, a 0.
    Type: Application
    Filed: July 24, 2008
    Publication date: September 15, 2011
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yasuhiro Aruga, Daisuke Hashimoto, Koya Nomura
  • Publication number: 20110214836
    Abstract: The present invention provides an environment-friendly manganese brass alloy, which comprises 55˜65 wt % of Cu, 1.0˜6.5 wt % of Mn, 0.2˜3.0 wt % of Al, 0˜3.0 wt % of Fe, 0.3˜2.0 wt % of Sn, 0.01˜0.3 wt % of Mg, 0˜0.3 wt % of Bi and/or 0˜0.2 wt % of Pb, the balance being Zn and unavoidable impurities. The alloys not only have superior mechanical properties, castability, cutability and corrosion resistance, especially stress corrosion resistance properties, but also have the advantages of low manufacturing costs and simple manufacturing process etc, which is suitable for making components through forging, casting, cutting and other manufacturing methods, especially suitable for making water tap bodies and valves through forging, casting and cutting processes.
    Type: Application
    Filed: March 2, 2011
    Publication date: September 8, 2011
    Inventors: Zhenqing Hu, Chuankai Xu, Qing LV, Nianrun Zhou, Jia Long, Siqi Zhang
  • Publication number: 20110174417
    Abstract: A high strength and high conductivity copper alloy pipe, rod, or wire is composed of an alloy composition containing 0.13 to 0.33 mass % of Co, 0.044 to 0.097 mass % of P, 0.005 to 0.80 mass % of Sn, and 0.00005 to 0.0050 mass % of O, wherein a content [Co] mass % of Co and a content [P] mass % of P satisfy a relationship of 2.9?([Co]?0.007)/([P]?0.008)?6.1, and the remainder includes Cu and inevitable impurities. The high strength and high conductivity copper alloy pipe, rod, or wire is produced by a process including a hot extruding process. Strength and conductivity of the high strength and high conductivity copper pipe, rod, or wire are improved by uniform precipitation of a compound of Co and P and by solid solution of Sn.
    Type: Application
    Filed: February 23, 2009
    Publication date: July 21, 2011
    Applicant: MITSUBISHI SHINDOH CO., LTD.
    Inventor: Keiichiro Oishi
  • Publication number: 20110142715
    Abstract: The present invention provides an environmental friendly brass alloy, including 0.4 to 0.8 wt % of aluminum; 0.6 to 1.6 wt % of nickel; 0.8 to 2.0 wt % of tin; more than 95.6 wt % of copper and zinc; and less than 0.1 wt % of iron, lead, phosphorous and impurities, wherein the copper is present in an amount ranging from 60 to 68 wt %.
    Type: Application
    Filed: December 11, 2009
    Publication date: June 16, 2011
    Applicant: Globe Union Industrial Corporation
    Inventors: Wen Lin Lo, Xiao Ming Peng
  • Publication number: 20110132569
    Abstract: The present invention relates to a brass alloy having superior stress corrosion comprising: 59.0-64.0 wt % Cu, 0.6-1.2 wt % Fe, 0.6-1.0 wt % Mn, 0.4-1.0 wt % Bi, 0.6-1.4 wt % Sn, at least one element selected from Al, Cr and B, the balance being Zn and unavoidable impurities, wherein the content of Al is 0.1-0.8 wt %, the content of Cr is 0.01-0.1 wt %, the content of B is 0.001-0.02 wt %. The alloy according to the present invention does not contain toxic elements such as lead and antimony, has superior corrosion resistance and good cuttingability and is suitable for the accessories in the potable water supply systems produced by casting, forging and extruding.
    Type: Application
    Filed: December 9, 2010
    Publication date: June 9, 2011
    Inventors: Chuankai Xu, Zhenqing Hu, Siqi Zhang
  • Publication number: 20110129383
    Abstract: A copper-zinc alloy includes 56-65% by weight copper (Cu), 0.2-2.0%, by weight, of Tin (Sn) for improving tensile strength of Copper (Cu) and for strengthening the corrosion resistance of Zinc (Zn), 0.1-1.0%, by weight, of Aluminum (Al) for improving the yielding and tensile strength and corrosion resistance of the alloy, 0.01-0.6%, by weight, of Nickel (Ni) for strengthening the yielding and the tensile strength and the resistance and the heat conductivity of the alloy, lower than 0.5%, by weight, of Ferrite (Fe), with the balance being Zinc (Zn) and inevitable impurities.
    Type: Application
    Filed: November 27, 2009
    Publication date: June 2, 2011
    Inventor: Tsu-Shu Yang-Tung
  • Publication number: 20110129384
    Abstract: A copper-zinc alloy includes 56-65%, by weight, of copper (Cu), 0.2-1.5%, by weight, of Tin (Sn) for improving tensile strength of copper (Cu) and for strengthening the corrosion resistance of Zinc (Zn), 0.1-1.0%, by weight, of Aluminum (Al) for ameliorating the yielding and tensile strength and corrosion resistance of the alloy, 0.01-0.6%, by weight, of Nickel (Ni) for improving the yielding and the tensile strength and the resistance and the heat conductivity of the alloy, lower than 0.5%, by weight, of Ferrite (Fe), 0.05-2.0%, by weight, of Antimony (Sb) for strengthen cutting ability and improving corrosion resistance, with the balance being zinc (Zn) and inevitable impurities.
    Type: Application
    Filed: November 27, 2009
    Publication date: June 2, 2011
    Inventor: Tsu-Shu Yang-Tung
  • Publication number: 20110129385
    Abstract: A copper-zinc alloy includes 56-65%, by weight, of Copper (Cu), 0.2-2.0%, by weight, of Tin (Sn) for improving tensile strength of Copper (Cu) and for strengthening the corrosion resistance of Zinc (Zn), 0.1-1.0%, by weight, of Aluminum (Al) for ameliorating the yielding and tensile strength and corrosion resistance of the alloy, 0.01-0.6%, by weight, of Nickel (Ni) for improving the yielding and the tensile strength and the resistance and the heat conductivity of the alloy, lower than 0.5%, by weight, of Ferrite (Fe), with the balance being Zinc (Zn) and inevitable impurities, the alloy also includes a secondary material, which is Phosphorus (p), Arsenic (As) or both for strengthening the corrosion resistance of the alloy.
    Type: Application
    Filed: November 27, 2009
    Publication date: June 2, 2011
    Inventor: Tsu-Shu Yang-Tung
  • Publication number: 20110129173
    Abstract: [Task] In the provided Cu-based sliding material, the properties equivalent to those of a Pb-containing material is attained even free of Pb, and material has stable friction coefficient. [Solution Means] A Pb-free copper-alloy sliding material contains 1.0 to 15.0% of Sn, 0.5 to 15.0% of Bi and 0.05 to 5.0% of Ag, and Ag and Bi from an Ag—Bi eutectic. If necessary, at least one of 0.1 to 5.0% of Ni, 0.02 to 0.2% P, and 0.5 to 30.0% of Zn is contained. Further, if necessary, 1.0 to 10.0 mass % of at least one of a group consisting of Fe3P, Fe2P, FeB, NiB and AlN, having an average particle diameter of 1.5 to 70 ?m is contained.
    Type: Application
    Filed: May 14, 2008
    Publication date: June 2, 2011
    Applicant: TAIHO KOGYO CO., LTD.
    Inventors: Hiromi Yokota, Ryo Mukai, Shinichi Kato, Nahomi Hamaguchi
  • Publication number: 20110104000
    Abstract: The present invention supplies a lead-free, bismuth-free free-cutting silicon brass alloy with high zinc which preferably comprises 35.0 to 42.0 wt % Zn, 0.1 to 1.5 wt % Si, 0.03 to 0.3 wt % Al, 0.01 to 0.36 wt % P, 0.01 to 0.1 wt % Ti, 0.001 to 0.05 wt % rare earth metals selected from the group consisting of La and Ce, 0.05 to 0.5 wt % Sn, and/or 0.05 to 0.2 wt % Ni, and the balance being Cu and unavoidable impurities. In yet another embodiment, the alloy may be boron-free. The invented alloy is excellent in castability, weldability, cuttability, electroplating properties, corrosion resistance, mechanical properties. The alloy is especially applicable in castings which need cutting and welding under low pressure die casting, such as castings for faucet bodies in the water supply system. The alloy is also suitable for use in components which are produced from casting ingots by die forging.
    Type: Application
    Filed: January 4, 2010
    Publication date: May 5, 2011
    Applicant: XIAMEN LOTA INTERNATIONAL CO., LTD.
    Inventors: Chuankai Xu, Zhenqing Hu, Siqi Zhang
  • Publication number: 20110081271
    Abstract: The present invention provides a low-lead copper alloy, which includes 0.05 to 0.3 wt % of lead, 0.3 to 0.8 wt % of aluminum, 0.01 to 3 wt % of bismuth, 1 to 4 wt % of silicon, 0.1 to 1 wt % of tin, and more than 93.6% of copper and zinc, wherein copper is in an amount ranging from 61 to 78 wt %. The low-lead copper alloy of the present invention has excellent toughness and processability, and can provide increased resistance in an environment with a high concentration of chlorine ions.
    Type: Application
    Filed: October 7, 2009
    Publication date: April 7, 2011
    Applicant: Modern Islands Co., Ltd.
    Inventors: Wen Lin Lo, Xiao Ming Peng
  • Publication number: 20110064602
    Abstract: A dezincification-resistant copper alloy is provided. The copper alloy comprises less than 0.3 wt % of lead (Pb), 0.02 to 0.15 wt % of antimony (Sb), 0.02 to 0.25 wt % of arsenic (As), 0.4 to 0.8 wt % of aluminum (Al), 1 to 20 ppm of boron (B), and more than 97 wt % of copper (Cu) and zinc (Zn), wherein the copper is in an amount ranging from 58 to 70 wt %. The dezincification-resistant copper alloy of the present invention has excellent casting properties, good toughness and machinability, and can be corrosion-resistant, thereby reducing dezincification on the surfaces of the alloy.
    Type: Application
    Filed: September 17, 2009
    Publication date: March 17, 2011
    Applicant: MODERN ISLANDS CO., LTD.
    Inventors: Wen Lin Lo, Xiao Ming Peng
  • Publication number: 20110056591
    Abstract: Brass alloy powder has a brass composition formed by a mixed phase of ?-phase and ?-phase, and contains 0.5 to 5.0 mass % of chromium. The chromium includes a component that is solid-solved in a mother phase of brass, and a component that is precipitated at crystal grain boundaries.
    Type: Application
    Filed: April 24, 2009
    Publication date: March 10, 2011
    Applicants: Japan Science and Technology Agency, Osaka University
    Inventors: Katsuyoshi Kondoh, Gen Katano, Hisashi Imai, Yoshiharu Kosaka, Akimichi Kojima
  • Publication number: 20110038752
    Abstract: A white bronze alloy consisting essentially of, in weight percent, about 0.3-1.5 wt % aluminum, about 0.5-2.0 wt % bismuth, about 61-66 wt % copper, about 0.0-0.5 wt % iron, about 11-15 wt % manganese, about 4.0-6.0 wt % nickel, about 0.5-2.0 wt % tin, and about 16-20 wt % zinc, as well as incidental amounts of impurities. The alloy is expected to have antimicrobial properties which make the alloy desirable for fabrication into food handling equipment and products for hospitals, bathrooms, and kitchens.
    Type: Application
    Filed: August 12, 2009
    Publication date: February 17, 2011
    Inventor: Geary R. Smith
  • Publication number: 20100297464
    Abstract: A melt-solidified substance includes melt-solidified portions formed by welding, build-up spray welding, metallizing or fusing. The melt-solidified portions have the alloy composition containing Zr: 0.0005 to 0.05 mass %, P: 0.01 to 0.34 mass %, Cu: the remainder and satisfying the relationship between the contents of P and Zr, [P]/[Zr]=0.3 to 20, and the mean grain size in the macrostructure after melt-solidification is 300 ?m or less. If Fe and/or Ni are contained in the melt-solidified portion as inevitable impurities, the content of Fe or Ni is restricted to be 0.3 mass % or less when either Fe or Ni is contained, and the total content of Fe and Ni is restricted to be 0.4 mass % or less when both Fe and Ni are contained.
    Type: Application
    Filed: September 30, 2005
    Publication date: November 25, 2010
    Applicant: SANBO SHINDO KOGYO KABUSHIKI KAISHA
    Inventor: Keiichiro Oishi