Aluminum Containing Patents (Class 420/514)
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Patent number: 10577682Abstract: A steel strip having a hot dip zinc based coating, the steel strip having the following composition, in weight %: C: 0.17-0.24 Mn: 1.8-2.5 Si: 0.65-1.25 Al: ?0.3 optionally: Nb: ?0.1 and/or V: ?0.3 and/or Ti: ?0.15 and/or Cr: ?0.5 and/or Mo: ?0.3, the remainder being iron and unavoidable impurities; with a Si/Mn ratio ?0.5 and a Si/C ratio ?3.0, with an Mn equivalent ME of at most 3.5, wherein ME=Mn+Cr+2 Mo (in wt. %); having a microstructure with (in vol. %): ferrite: 0-40, bainite: 20-70, martensite: 7-30, retained austenite: 5-20, pearlite: ?2, cementite: ?1; having a tensile strength in the range of 960-1100 MPa, a yield strength of at least 500 MPa, and a uniform elongation of at least 12%.Type: GrantFiled: July 6, 2015Date of Patent: March 3, 2020Assignee: TATA STEEL IJMUIDEN B.V.Inventors: David Neal Hanlon, Marga Josina Zuijderwijk, Stefanus Matheus Cornelis Van Bohemen
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Patent number: 8845828Abstract: There is provided a high-temperature Zn-based Pb free solder alloy having a melting point of approximately 300 to 400° C. and is excellent in wettability, joinability, workability and reliability. The Pb-free solder alloy mainly containing Zn consists of: 1.0 to 9.0 mass %, preferably 3.0 to 7.0 mass % of Al, 0.002 to 0.800 mass %, preferably 0.005 to 0.500 mass % of P, and a balance being Zn except for inevitable impurities incorporated during a manufacturing stage. The Pb-free solder alloy may include at least one of 0.3 to 4.0 mass % of Mg or 0.3 to 3.0 mass % of Ge.Type: GrantFiled: October 20, 2011Date of Patent: September 30, 2014Assignee: Sumitomo Metal Mining Co., Ltd.Inventor: Takashi Iseki
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Publication number: 20140234654Abstract: The invention relates to a thermal spraying material (5) for the coating of a surface of a workpiece by means of a thermal spraying method, wherein the spraying material (5) contains zinc. The invention further relates to a thermal spraying method and to a thermally sprayed coating sprayed with the material (5).Type: ApplicationFiled: January 13, 2014Publication date: August 21, 2014Applicant: Sulzer Metco AGInventors: Arno Refke, Gerard Barbezat, Jacobus Cornelis Doesburg
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Publication number: 20140225269Abstract: A solder includes zinc as a main component and the solder contains 6 to 8 mass percent of indium. A solder includes zinc as a main component, wherein the solder contains only indium. In a die-bonding structure in which a semiconductor chip is connected to a bonded member by a solder, the solder made of zinc as a main component and contains indium.Type: ApplicationFiled: January 2, 2014Publication date: August 14, 2014Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventor: Kazuhiro MAENO
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Patent number: 8637163Abstract: An alloy with a high glass forming ability characterized by containing a group of elements A with atomic radii of less than 0.145 nm of a total of 20 to 85 atm %, a group of elements B with atomic radii of 0.145 nm to less than 0.17 nm of a total of 10 to 79.7 atm %, and a group of elements C with atomic radii of 0.17 nm or more of a total of 0.3 to 15 atm %; when the elements with the greatest contents in the group of elements A, group of elements B, and group of elements C are respectively designated as the “element a”, “element b”, and “element c”, by the ratio of the content of the element a in the group of elements A (for example, Zn and/or Al), the ratio of the content of the element b in the group of elements B (for example, Mg), and the ratio of the content of the element c in the group of elements C (for example, Ca) all being 70 atm % or more; and by the liquid forming enthalpy between any two elements selected from the element a, element b, and element c being negative.Type: GrantFiled: July 19, 2007Date of Patent: January 28, 2014Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Kohei Tokuda, Koichi Nose, Yuichi Sato, Makoto Nakazawa
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Publication number: 20130251587Abstract: There is provided a high-temperature Zn-based Pb free solder alloy having a melting point of approximately 300 to 400° C. and is excellent in wettability, joinability, workability and reliability. The Pb-free solder alloy mainly containing Zn consists of: 1.0 to 9.0 mass %, preferably 3.0 to 7.0 mass % of Al, 0.002 to 0.800 mass %, preferably 0.005 to 0.500 mass % of P, and a balance being Zn except for inevitable impurities incorporated during a manufacturing stage. The Pb-free solder alloy may include at least one of 0.3 to 4.0 mass % of Mg or 0.3 to 3.0 mass % of Ge.Type: ApplicationFiled: October 20, 2011Publication date: September 26, 2013Applicant: SUMITOMO METAL MINING CO., LTD.Inventor: Takashi Iseki
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Publication number: 20120313230Abstract: A solder alloy is providing, the solder alloy including zinc, aluminum, magnesium and gallium, wherein the aluminum constitutes by weight 8% to 20% of the alloy, the magnesium constitutes by weight 0.5% to 20% of the alloy and the gallium constitutes by weight 0.5% to 20% of the alloy, the rest of the alloy including zinc.Type: ApplicationFiled: June 7, 2011Publication date: December 13, 2012Applicant: INFINEON TECHNOLOGIES AGInventors: Manfred MENGEL, Alexander HEINRICH, Steffen ORSO, Thomas BEHRENS, Oliver EICHINGER, Lim FONG, Evelyn NAPETSCHNIG, Edmund RIEDL
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Patent number: 8231812Abstract: A ZnO vapor deposition material for formation of a transparent conductive film or the like consists mainly of a porous ZnO sintered body containing one or more first additive elements selected from Ce, La, Y, Pr, Nd, Pm, and Sm, and second additive elements selected from Al, Ga, Sc, and B. The content of the first additive elements is higher than the content of the second additive elements. The content of the first additive elements is in a range of 0.1 to 14.9% by mass, and the content of the second additive elements is in a range of 0.1 to 10% by mass. The sintered body has a porosity of 3 to 50%.Type: GrantFiled: September 29, 2008Date of Patent: July 31, 2012Assignee: Mitsubishi Materials CorporationInventor: Yoshitaka Mayuzumi
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Patent number: 8147585Abstract: A metal alloy feedstock and method for metal injection molding is disclosed. The alloy includes at least two components, such as a first component and a second component. The first component has a first melting point and the second component has a second melting point higher than the first melting point. The first melting point and the second melting point match to the temperature gradient of the heated barrel of an injection molding machine whereby when fed into the injection molding machine the first component melts prior to the second component melts and enables the second component to solute into the first component. Additional components may also be used.Type: GrantFiled: September 17, 2009Date of Patent: April 3, 2012Assignee: Cool Polymers, Inc.Inventors: Kevin A. McCullough, James D. Miller
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Patent number: 8128847Abstract: A ZnO vapor deposition material for formation of a transparent conductive film or the like consists mainly of a porous ZnO sintered body containing one or more first additive elements selected from Ce, La, Y, Pr, Nd, Pm, and Sm, and second additive elements selected from Al, Ga, Sc, and B. The content of the first additive elements is higher than the content of the second additive elements. The content of the first additive elements is in a range of 0.1 to 14.9% by mass, and the content of the second additive elements is in a range of 0.1 to 10% by mass. The sintered body has a porosity of 3 to 50%.Type: GrantFiled: September 29, 2008Date of Patent: March 6, 2012Assignee: Mitsubishi Materials CorporationInventor: Yoshitaka Mayuzumi
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Publication number: 20100136359Abstract: The present application discloses (i) a coating composition comprising a particulate zinc-based alloyed material, said material comprising 0.05-0.7% by weight of bismuth (Bi), the D50 of the particulate material being in the range of 2.5-30 ?m; (ii) a coated structure comprising a metal structure having a first coating of the zinc-containing coating composition applied onto at least a part of the metal structure in a dry film thickness of 5-100 ?m; and an outer coating applied onto said zinc-containing coating in a dry film thickness of 30-200 ?m; (iii) a particulate zinc-based alloyed material, wherein the material comprises 0.05-0.7% (w/w) of bismuth (Bi), and wherein the D50 of the particulate material is in the range of 2.Type: ApplicationFiled: April 11, 2008Publication date: June 3, 2010Applicants: Hempel A/S, UMICOREInventors: Claus Erik Weinell, Jeroen Van Den Bosch, Pascal Verbiest, Hellen Fiedler, Torben Schandel, Gert Simonsen
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Publication number: 20100055561Abstract: A virtually lead additive-free but highly reliable and practical anode zinc can for a battery with improved process-ability and corrosion resistance. A manganese dry battery comprising such a zinc can. A manufacturing method for making the zinc can and a battery.Type: ApplicationFiled: November 12, 2009Publication date: March 4, 2010Applicant: TOSHIBA BATTERY CO., LTD.Inventors: Kazunari KOBAYASHI, Mutsuhiro Maeda
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Publication number: 20090274575Abstract: A precision alloy for die-casting contains aluminum, silicon and zinc, wherein on the basis of the overall mass, the content of aluminum is 40% by mass or more and 45% by mass or less, and the content of silicon is 2% by mass or more and 8% by mass or less. Also other solving means will be described.Type: ApplicationFiled: September 20, 2007Publication date: November 5, 2009Inventor: Masahiro Nomura
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Publication number: 20090129969Abstract: The wire based on zinc and aluminum contains from 8 to 33% by weight of aluminum and up to 500 ppm of indium, in addition to zinc and the usual impurities. This wire is suitable for thermal spraying for corrosion protection, especially corrosion protection against high atmospheric humidity and high chloride ion concentrations according to DIN 50021-ss.Type: ApplicationFiled: September 30, 2008Publication date: May 21, 2009Inventors: Jochen Spriestersbach, Peter Staubwasser
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Patent number: 7524582Abstract: The invention is directed to a zinc powder or zinc alloy powder for alkaline batteries, which powder has a grain size distribution wherein 60 to 100 wt.-% of the particles, relative to the zinc powder or zinc alloy powder, have a diameter of from 40 to 140 ?m. The invention is also directed to an alkaline battery.Type: GrantFiled: June 5, 2006Date of Patent: April 28, 2009Assignee: Grillo-Werke AGInventors: Armin Melzer, Petra Merkel, Jochen Spiestersbach, Rudi Kube, Norbert Schulz
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Publication number: 20080170962Abstract: An added element other than zinc is yielded at the grain boundaries of zinc forming a negative electrode zinc can. The added element includes at least one element selected from the group of Pb, Bi, Ca, Mg, Si, Al, and In. The zinc can is formed in such a manner that: melted zinc containing the added element is quenched at a quenching rate of 75 to 100° C./second for casting into a zinc plate; and the thus cast plate is subjected to impact molding at a temperature in the range between 20 and 30° C.Type: ApplicationFiled: January 15, 2008Publication date: July 17, 2008Inventors: Harunari Shimamura, Jun Nunome, Fumio Kato
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Patent number: 7374840Abstract: This invention relates to centrifugal atomized zinc alloy powders for alkaline batteries consisting of (a) 0.005-2% by weight of indium, and 0.005-0.2% by weight of either one of Al and Bi, or (b) 0.005-2% by weight of indium, and 0.005-0.2% by weight of Bi, and 0.001-0.5% of either one or both of Al and Ca, or (c) 0.005-2% by weight of either one or both of Bi and Al, and 0-0.5% by weight of Pb, the remainder being zinc. The powder is obtained by centrifugal atomisation in a protective atmosphere, where the oxygen content is less than 4% by volume. The resistance to corrosion in the electrolyte of the battery, especially after partial discharge, is markedly better than when the same alloys are prepared by the traditional production process. The capacity of batteries containing these powders is very good.Type: GrantFiled: February 3, 2000Date of Patent: May 20, 2008Assignee: UmicoreInventors: Yvan Strauven, Bruno Gay
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Publication number: 20070264572Abstract: Batteries, as well as related components and methods, are disclosed.Type: ApplicationFiled: May 1, 2007Publication date: November 15, 2007Inventor: Michael J. Zuraw
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Patent number: 6902829Abstract: A high strength dual phase cold rolled steel having controlled amounts of carbon, manganese, and molybdenum is used as a starting material in a hot-dip zinc coating process to manufacture a high strength dual phase cold rolled steel having a conventional galvanized or galvannealed coating applied to at least one surface thereof, the zinc coated steel product having a uniform coating of zinc in spite of the high manganese content of the steel.Type: GrantFiled: July 25, 2003Date of Patent: June 7, 2005Assignee: ISG Technologies Inc.Inventors: Rajendra Pradhan, C. Ramadeva Shastry
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Patent number: 6863748Abstract: A process and an alloy for galvanizing non-reactive steel and mixed or moderately reactive steel for providing a decorative spangle to the galvanized coating. The alloy contains 0.1 to less than 0.8 wt % tin, 0.05 to 0.2 wt % bismuth, 0.001 to 0.008 wt % aluminum, and optionally 0 to 0.1 wt % nickel, the balance zinc of commercial purity.Type: GrantFiled: December 26, 2002Date of Patent: March 8, 2005Assignee: Teck Cominco Metals Ltd.Inventors: John Zervoudis, Victor M. Duarte, Graham W. Poag
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Patent number: 6673309Abstract: An alloy for a sacrificial anode according to a first preferred aspect of the present invention includes about 10% to about 50% of Zn, about 0.03% to about 0.6% of In, and about 0.0005% to about 0.05% of Zr. The balance may be Al and any unavoidable impurities. An alloy according to a second preferred aspect of the present application includes about 10% to about 50% of Zn, about 0.03% to about 0.6% of In, and about 0.05% to about 0.3% of Si. The balance may be Al and any unavoidable impurities. An alloy according to a third preferred aspect of the present invention includes about 10% to about 50% of Zn, about 0.03% to about 0.6% of In, and about 0.02% to about 0.2% of Ce. The balance may be Al and any unavoidable impurities. An alloy according to a fourth preferred aspect of the present invention includes about 10% to about 50% of Zn, about 0.03% to about 0.6% of In, about 0.005% to about 0.1% of Ti, and about 0.001% to about 0.02% of B. The balance may be Al and any unavoidable impurities.Type: GrantFiled: February 10, 1995Date of Patent: January 6, 2004Assignee: Corrpro Companies, Inc.Inventors: Kunio Watanabe, Shozo Takeya
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Publication number: 20030124380Abstract: A process and an alloy for galvanizing non-reactive steel and mixed or moderately reactive steel for providing a decorative spangle to the galvanized coating. The alloy contains 0.1 to less than 0.8 wt % tin, 0.05 to 0.2 wt % bismuth, 0.001 to 0.008 wt % aluminum, and optionally 0 to 0.1 wt % nickel, the balance zinc of commercial purity.Type: ApplicationFiled: December 26, 2002Publication date: July 3, 2003Inventors: John Zervoudis, Victor M. Duarte, Graham W. Poag
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Patent number: 6569268Abstract: A process and an alloy for galvanizing non-reactive steel and mixed or moderately reactive steel for providing a decorative spangle to the galvanized coating. The alloy contains 0.1 to less than 0.8 wt % tin, 0.05 to 0.2 wt % bismuth, 0.001 to 0.008 wt % aluminum, and optionally 0 to 0.1 wt % nickel, the balance zinc of commercial purity.Type: GrantFiled: October 16, 2000Date of Patent: May 27, 2003Assignee: Teck Cominco Metals Ltd.Inventors: John Zervoudis, Victor M. Duarte, Graham W. Poag
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Publication number: 20030091462Abstract: A novel method for fabricating leadless solder for IC packaging includes the following steps: A. to prepare a mixture containing Zn, 7-11 wt %; Co, 0.1-0.5 wt %; and Sn for balance; or a mixture containing Zn, 7-11 wt %; Co, 0.1-0.5 wt %; P, 0.005-0.05 wt % and Sn for balance; or a mixture containing Zn, 7-11 wt %; Al, 0.1-0.5 wt %; and Sn for balance; a mixture containing Zn, 7-11 wt %; Al, 0.1-0.5 wt %; P, 0.005-0.05 wt % and Sn for balance; or a mixture containing In, 10-15 wt %; Co, 0.1-0.5 wt % and Sn for balance; B. to place the mixture in a high frequency furnace to be melted together at a temperature lower than 350° C., then take it out of the furnace for a quick freezing and cast it into an ingot in an adequate size; C. to treat the ingot with a homogenization processing at 180-240° C. for 30-240 minutes; D. to draw the homogenized ingot into the form of leadless solder filament or granule.Type: ApplicationFiled: December 5, 2001Publication date: May 15, 2003Inventors: Tao-Kuang Chang, Jeng-Fuh Liu, Jui-Ting Tsai
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Publication number: 20030049157Abstract: The wire based on zinc and aluminum contains from 8 to 33% by weight of aluminum and up to 500 ppm of indium, in addition to zinc and the usual impurities. This wire is suitable for thermal spraying for corrosion protection, especially corrosion protection against high atmospheric humidity and high chloride ion concentrations according to DIN 50021-ss.Type: ApplicationFiled: September 3, 2002Publication date: March 13, 2003Applicant: Grillo-Werke AGInventors: Jochen Spriestersbach, Peter Staubwasser
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Patent number: 6514308Abstract: An alloy feedstock for semi-solid metal injection molding. The alloy feedstock is an alloy material in particulate form and has a heterogeneous structure, a temperature range at 20% of the height of the peak of the main melting reaction greater than 40° C., and having a ratio of the height of the peak of the eutectic reaction to the height of the main melting reaction of less than 0.5.Type: GrantFiled: August 17, 2001Date of Patent: February 4, 2003Assignee: Thixomat, Inc.Inventors: Stephen E. LeBeau, D. Matthew Walukas, Raymond F. Decker
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Publication number: 20030017396Abstract: A zinc alloy containing Al, Bi and In is reduced to particles by gas atomization and sieved to prepare a zinc alloy powder. A polyacrylic acid powder and a magnesium hydroxide powder are added to the zinc alloy powder and the ingredients are mixed to make an anode composition. Zinc oxide is added to an aqueous KOH solution to prepare a liquid electrolyte which is mixed with the anode composition under stirring to make a gelled anode composition that has improved performance in pulsed discharge to get large current without increasing the evolution of hydrogen gas.Type: ApplicationFiled: June 11, 2002Publication date: January 23, 2003Applicant: DOWA MINING CO., LTD.Inventors: Kenichi Harigae, Masayuki Nishina
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Patent number: 6280795Abstract: An alloy for galvanizing steel comprises, by weight, aluminum in the amount of at least 0.001% to 0.007%, preferably 0.002 to 0.004%, tin in the amount of at least 0.5% to a maximum of 2%, preferably at least 0.8%, and one of an element selected from the group consisting of vanadium in the amount of at least 0.02%, preferably 0.05% to 0.12%, titanium in the amount of at least 0.03%, preferably 0.06% to 0.10%, and both vanadium and titanium together in the amount of at least 0.02% vanadium and at least 0.01% titanium for a total of at least 0.03%, preferably 0.05% to 0.15%, the balance zinc containing up to 1.3 wt. % lead. In another embodiment, the alloy comprises, by weight, aluminum in the amount of at least 0.001%, tin in the amount of 0.5% to 2%, and vanadium and nickel together in the amount of at least 0.02% vanadium and at least 0.02% nickel to a maximum of 0.15% vanadium and nickel collectively. Titanium may be added in an amount, by weight, of at least 0.01% titanium to a collective maximum of 0.Type: GrantFiled: December 2, 1999Date of Patent: August 28, 2001Assignee: Cominco, Ltd.Inventors: John Zervoudis, Gary R. Adams, Victor M. Duarte, Michael Gilles, Richard Sokolowski
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Patent number: 6139654Abstract: Master alloy with 20-80% strontium, preferably 0.01-2.0% of aluminum and/or copper, and the balance essentially zinc plus impurities, and a method for preparing same and a method for modifying the microstructure of nonferrous alloys with said master alloy.Type: GrantFiled: October 6, 1999Date of Patent: October 31, 2000Assignee: KB Alloys, Inc.Inventors: Gary W. Boone, Philip G. Vais, Daniel B. Franklin
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Patent number: 6071359Abstract: Tin and zinc based shot for use as ammunition having a diameter of from 1.5 to 5.5 mm, containing, by weight, in addition to tin and the usual unavoidable contaminants, from 12 to 60% of zinc and from 0 to 5% of aluminum, but less than 0.1% of copper, less than 0.1% of iron, and less than 1% of lead.Type: GrantFiled: October 24, 1997Date of Patent: June 6, 2000Assignee: Grillo-Werke AGInventors: Jurgen Wisniewski, Jochen Spriestersbach
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Patent number: 5858132Abstract: The invention provides a new method for casting alloys containing a finely divided phase. A bath of the molten metal having a melting point is provided. A finely divided solid metal having a melting point greater than the melting point of molten metal is introduced into the molten metal. The finely divided metal is reacted with the molten metal to form a solid phase within the molten metal. The molten bath is then mixed to distribute the solid phase within the molten metal. The molten alloy is then cast into a solid object containing the solid phase. The solid phase is insoluble in the matrix and has a size related to the initial size of the finely divided solid. The alloy of the invention advantageously consists essentially of, by weight percent, about 3 to 40 aluminum, about 0.8 to 25 nickel, about 0 to 12 copper and balance zinc and incidental impurities. The alloy has a zinc-containing matrix with nickel-containing aluminides distributed throughout the matrix.Type: GrantFiled: December 12, 1996Date of Patent: January 12, 1999Assignee: Inco LimitedInventors: Malcolm Charles Evert Bell, James Alexander Evert Bell, Carlos Manuel Diaz, Thijs Eerkes, Thomas Francis Stephenson, Scott Thomas Campbell, John Francis Brennan, Anthony Edward Moline Warner
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Patent number: 5628933Abstract: Applicant has discovered that aliovalently doped zinc-indium-oxide where In is 40-75% of the metal elements can achieve electrical conductivity comparable to wide band-gap semiconductors presently in use while exhibiting enhanced transparency in both the visible and infrared. The material can be doped to resistivity of less than 1 milliohm-cm by small quantifies of aliovalent dopants, such as tetravalent atoms. It can be deposited on glass substrates in amorphous and polycrystalline films.Type: GrantFiled: March 26, 1996Date of Patent: May 13, 1997Assignee: Lucent Technologies Inc.Inventors: Sue A. Carter, Robert J. Cava, Jueinai R. Kwo, Julia M. Phillips, Gordon A. Thomas
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Patent number: 5445791Abstract: An alloy for after-fabrication hot-dip galvanizing containing mainly Zn to which is added Bi up to the solubility limit to improve drainage of the Zn alloy.Type: GrantFiled: March 30, 1994Date of Patent: August 29, 1995Assignee: Noranda, Inc.Inventor: Martin Gagne
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Patent number: 5425913Abstract: The alloy is free from cadmium and it contains 0.001-1% In, 0.005-1% Mn and possibly up to 1% Pb, 0.005-1% Al and/or 0.0005-0.1% REM, REM being a rare earth metal or a mixture of rare earth metals. These alloys have a sufficient mechanical strength and resistance to corrosion and are easy to be processed.Type: GrantFiled: March 28, 1994Date of Patent: June 20, 1995Assignee: S.A.ACEC-Union Miniere N.V.Inventors: Yvan A. Strauven, Andre F. Skenzai
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Patent number: 5425798Abstract: A non-amalgamated zinc alloy powder for use in an alkaline cell which consists of elements selected from the following compositions (1) to (4);(1) 0.001 to 0.5% by weight of aluminum and 0.01 to 0.5% by weight of bismuth,(2) 0.001 to 0.5% by weight of aluminum, 0.01 to 0.5% by weight of bismuth and indium in an amount greater than zero and up to 1.0% by weight,(3) 0.001 to 0.5% by weight of aluminum, 0.01 to 0.5% by weight of bismuth and lithium in an amount greater than zero and up to 0.5% by weight,(4) 0.001 to 0.5% by weight of aluminum, 0.01 to 0.5% by weight of bismuth, indium in an amount greater than zero and up to 1.0% by weight and calcium or lithium in an amount greater than zero and up to 0.5% by weight;and the balance being zinc and containing iron as an inevitably accidental impurity in an amount of not more than 1 ppm; and which can greatly suppress the evolution of hydrogen gas and maintain the discharge performance on a practical level:and a method to produce the same.Type: GrantFiled: July 21, 1993Date of Patent: June 20, 1995Assignees: Mitsui Mining & Smelting Co., Ltd., Matsushita Electric Industrial Co., Ltd.Inventors: Masamoto Sasaki, Tomotaka Motomura, Hirofumi Asano
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Patent number: 5312476Abstract: A non-amalgamated zinc alloy powder for use in an alkaline cell which consists of elements component selected from among the following combinations (1) to (3):(1) 0.01 to 0.5% by weight of bismuth, 0.01 to 0.5% by weight of indium, not less than 0.005% by weight to less than 0.01% by weight of calcium,(2) not less than 0.005% by weight to less than 0.01% by weight of calcium, 0.01 to 0.5% by weight of bismuth, 0 to 0.5% by weight of aluminium, and(3) 0.01 to 0.5% by weight of lead, 0.01 to 0.5% by weight of indium, 0 to less than 0.01% by weight of calcium, 0.01 to 0.5% by weight of aluminium, the balance being zinc and containing 1 ppm or less of iron, and which can greatly suppress the evolution of hydrogen gas and maintain the discharge performance on a practical level, and the method to produce the same.Type: GrantFiled: February 18, 1992Date of Patent: May 17, 1994Assignees: Matsushita Electric Industrial Co., Ltd., Mitsui Mining & Smelting Co., Ltd.Inventors: Toyohide Uemura, Tomotaka Motomura, Tomiko Yamaguchi, Junichi Asaoka, Shuji Tsuchida
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Patent number: 5108494Abstract: A non-amalgamated zinc alloy powder for use in an alkaline cell which comprises 1 ppm or less of iron and an elemental component selected from among the following combinations (1) to (5):(1) 0.01 to 0.5% by weight of bismuth, 0.01 to 0.5% by weight of indium and 0.01 to 0.5% by weight of lead,(2) 0.01 to 0.5% by weight of bismuth, 0.01 to 0.5% by weight of indium and 0.01 to 0.5% by weight of calcium,(3) 0.01 to 0.5% by weight of lead and 0 to 1.0% by weight in total of at least one member selected from among bismuth, aluminum and calcium,(4) 0.01 to 0.5% by weight of calcium, 0.01 to 0.5% by weight of bismuth and 0 to 0.5% by weight of aluminum, and(5) 0.01 to 0.5% by weight of lead, 0.01 to 0.5% by weight of indium, 0.01 to 0.5% by weight of calcium and 0 to 0.5% by weight of aluminum, and which can greatly suppress the evolution of hydrogen gas and maintain the discharge performance on a practical level, and a method for the production of the same.Type: GrantFiled: May 16, 1991Date of Patent: April 28, 1992Assignees: Mitsui Mining & Smelting Co., Ltd., Matsushita Electric Industrial Co., Ltd.Inventors: Toyohide Uemura, Tomotaka Motomura, Junichi Asaoka, Shuji Tsuchida, Tomiko Yamaguchi
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Patent number: 5096666Abstract: A galvanizing bath having a composition of about 5 ppm to about 100 ppm by weight aluminum, and rare earth elements by weight rated at zero and not exceeding about 5 ppm. In the method a galvanizing bath composition is maintained according to the foregoing in which aluminum and rare earth materials are added to the bath at a ratio greater than the ratio of the selected concentrations of rare earth materials and aluminum in the galvanizing bath.Type: GrantFiled: September 5, 1989Date of Patent: March 17, 1992Inventors: Verdun H. Farnsworth, Nigel T. Evans
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Patent number: 5082622Abstract: A zinc base powder for alkaline batteries consisting of 0.005-2% aluminum, 0.005-2% lead, 0.003-2% bismuth and 0.001-2% indium, the rest being zinc and unavoidable impurities.Type: GrantFiled: October 30, 1990Date of Patent: January 21, 1992Assignee: S.A. Acec-Union Miniere N.V.Inventors: Marcel Meeus, Yvan Strauven
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Patent number: 5071620Abstract: A zinc/low aluminum alloy with lithium additions demonstrating improved creep resistance and suitable for hot chamber pressure die casting. The alloy preferably contains from about 0.1-2% Al, 0.07-0.19% Li, the balance zinc. The alloy also may contain Cu, Mn and Mg.Type: GrantFiled: August 31, 1990Date of Patent: December 10, 1991Assignee: International Lead Zinc Research Organization, Inc.Inventor: Cedric H. Thornton
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Patent number: 4990310Abstract: A creep-resistant die casting is formed of a zinc-base alloy comprising about 4 to 12 percent copper and about 2 to 4 percent aluminum. The die casting is characterized by an intimate dispersion of fine epsilon and eta phases effective to retard slip and thereby enhance creep resistance.Type: GrantFiled: September 11, 1989Date of Patent: February 5, 1991Assignee: General Motors CorporationInventors: Moinuddin S. Rashid, M. David Hanna
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Patent number: 4952368Abstract: The alloys contain, besides zinc and unavoidable impurities,0.05-0.8% of Pb andeither 0.005.1% of Al and 0.0005-0.1% REM, REM being a rare earth metal or a mixture of rare earth metals, or0.005-1% of Mn or0.005-1.5% of a mixture of Al, REM and Mn.These alloys have a higher mechanical strength and a better resistance to corrosion than the known alloys with Pb-Cd or Pb.Type: GrantFiled: September 22, 1989Date of Patent: August 28, 1990Assignee: Metallurgie Hoboken-OverpeltInventors: Andre Skenazi, Ivan A. Strauven, Michel L. Cauwe
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Patent number: 4861681Abstract: A brazed aluminum article comprising at least two aluminum members brazed together with a filler metal, which consists essentially of:zinc: from 20 to 80 wt. %,silicon: from 1 to 11 wt. %, andthe balance being aluminum and incidental impurities.The above-mentioned filler metal may further additionally contain copper within the range of from 0.1 to 10 wt. %. The ratio of the silicon content to the aluminum content in the above-mentioned filler metal should preferably be within the range of from 0.05 to 0.12.Type: GrantFiled: May 16, 1988Date of Patent: August 29, 1989Assignee: Mitsubishi Aluminum Kabushiki KaishaInventors: Masami Asano, Ken Toma, Yo Takeuchi
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Patent number: 4812371Abstract: A Zn-Al hot-dip galvanized coating on a steel sheet may exhibit intergranular corrosion and be degraded due to the Al's secular enrichment in the grain boundaries of coating. This is prevented in accordance with the present invention by the galvanizing bath composition which contains from 0.15 to 10% of Al, from 0.1 to 1% of Sb, from 0.01 to 2% of Si, and the balance being Zn and unavoidable impurities such as Pb, Sn, and Cd in an amount less than 0.02%, and additionally contains at least from 0.01 to 1% of at least one member selected from the group consisting of Mg and mischmetal.Type: GrantFiled: August 4, 1987Date of Patent: March 14, 1989Assignee: Nippon Steel CorporationInventors: Yoshio Shindou, Motoo Kabeya
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Patent number: 4789522Abstract: An improved castable hypereutectic zinc-aluminum alloy which is free from underside shrinkage is described. Small additions, from about 0.25% and up to about 2 wt% of rare earth metal, preferably in the form of misch metal, to known zinc-aluminum alloys containing from about 20% and up to about 40 wt% aluminum have been found to prevent underside shrinkage in castings with a cross section up to about six inches.Type: GrantFiled: November 24, 1987Date of Patent: December 6, 1988Assignee: Queen's University at KingstonInventors: Reginald W. Smith, Mansor Ghoreshy
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Patent number: 4722871Abstract: A zinc-aluminum alloy coating having desirable ductile properties and a uniform fine grain structure having excellent wettability for a ferrous metal substrate comprises greater than about 25 percent by weight aluminum and zinc, wherein the alloy further includes from about 0.1 to about 1.0 percent by weight of a rare earth alloy for enhancing the wettability of the alloy to the ferrous metal and the balance comprises additional additives and impurities. With alloys having increased concentration of aluminum, the solubility of the rare earth alloy is increased, thereby increasing wettability.Type: GrantFiled: August 14, 1986Date of Patent: February 2, 1988Assignee: Cosmos Engineering, Inc.Inventor: Schrade F. Radtke
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Patent number: 4721656Abstract: A coating for metallic faces comprising an alloy of aluminum with at least one of zinc, cadmium or manganese is proposed, whereby the alloy coating is applied onto the metal surface by means of electrodeposition using a non-aqueous electrolyte. The electrolyte comprises toluene as a solvent for chlorides of the alloy components. The coating may be used e.g. for corrosion protection.Type: GrantFiled: May 16, 1986Date of Patent: January 26, 1988Assignee: Eltech Systems CorporationInventors: Christopher J. Vance, Thinh Nguyen
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Patent number: 4717430Abstract: A method of joining metal surfaces is provided which comprises contacting the metal surfaces with a zinc-based composition and joining the metal surfaces, the zinc-based composition comprising, by weight:from about 0.1 to about 4 percent copper;from about 0.1 to about 1 percent nickel;from about 0.01 to less than 0.5 percent aluminum;0 to about 0.5 percent chromium;0 to about 0.5 percent titanium; and the remainder being zinc is also provided. The composition is useful for coating metal surfaces, particularly metals formed of or containing copper.The above composition and method may be used with or without a flux. Particularly beneficial results are obtained when a flux having a composition comprising, by weight:from about 5 to about 70 percent ZnCl.sub.2 ;from about 1 to about 28 percent NH.sub.4 Cl;from about 0.1 to about 10 percent SnCl.sub.2 ;from about 0 to about 10 percent HCl;from about 0 to about 10 percent Li.sub.2 B.sub.4 O.sub.7 ;from about 0 to about 5 percent MgBr.sub.Type: GrantFiled: October 29, 1986Date of Patent: January 5, 1988Assignee: Copper Development Association, Inc.Inventor: Roy E. Beal
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Patent number: 4636354Abstract: Disclosed herein is an alloy for galvanizing object of steel which have a concentration of silicon lower than 0.45% by weight. The alloy consists essentially of 0.5 to 1.5% by weight of lead, 0.005 to 0.2% by weight of germanium and the balance zinc. The alloy may further contain 0.001 to 0.05% by weight aluminum.Type: GrantFiled: March 22, 1984Date of Patent: January 13, 1987Assignee: Societe Anonyme Dite Societe Miniere et Metallurgique de PenarroyaInventors: Jean-Louis Caillerie, Remy Decaens, Armand Limare
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Patent number: 4610937Abstract: Zn-Ni-alloy electroplating of steel sheets is carried out using a plating bath containing 10-40 g/l zinc, 15-160 g/l nickel, 0.1-5 g/l cobalt and 0.2-10 g/l titanium and 0.1-5 g/l aluminum or 0.1-5 g/l magnesium existing in the form of salts, the pH of which is 1.5-2.5. The obtained plated product exhibits improved excellent corrosion resistance and corrosion peeling resistance. The product can be subjected to heating to 60.degree.-200.degree. C., preferably in hot water, steam, or atomized water mist. This treatment further increases corrosion resistance.Type: GrantFiled: November 28, 1983Date of Patent: September 9, 1986Assignee: Nisshin Steel CompanyInventors: Takehiko Ito, Taisuke Irie, Yoshitaka Nakagawa, Koichi Watanabe