Tin Containing Patents (Class 148/412)
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Patent number: 12163210Abstract: There is provided a copper alloy consisting of: Ni: 10 to 15% by weight, Sn: 5.0% by weight or more, Mn: 0 to 0.5% by weight, Zr: 0 to 0.5% by weight, at least one selected from the group consisting of Nb, Fe, Al, Ti, B, Zn, Si, Co, P, Mg, and Bi: 0 to 0.2% by weight in total, and the balance being Cu and inevitable impurities. The copper alloy has, in an X-ray diffraction profile, (i) a peak in the vicinity of 2?=46 to 50° having a peak intensity of 30% or more with respect to a peak intensity in the vicinity of 2?=84 to 88° and (ii) a peak in the vicinity of 2?=40 to 42° having a peak intensity of 2.0% or more with respect to a peak intensity in the vicinity of 2?=84 to 88°.Type: GrantFiled: April 27, 2022Date of Patent: December 10, 2024Assignee: NGK INSULATORS, LTD.Inventors: Ryota Takeuchi, Takanori Asano
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Patent number: 11987871Abstract: An electrode is formed of a bismuth brass alloy. The bismuth brass alloy contains about 30 weight percent to about 40 weight percent of zinc, about 1 weight percent to about 10 weight percent of bismuth, and the balance copper. The bismuth brass alloy has a microstructure that includes islands of bismuth dispersed within the base metal formed of copper and zinc and also includes bismuth at the grain boundaries of the base metal. As a large bulky atom with high resistivity against fluorine attack, bismuth segregates at the grain boundaries and blocks the fluorine diffusion into the lattice. In the presence of fluorine, the bismuth brass alloy forms a protective layer on the elongated surface of the body of the electrode. This protective layer inhibits reaction of the base metal formed of copper and zinc with fluorine and thereby preserves the surface of the electrode material.Type: GrantFiled: May 2, 2017Date of Patent: May 21, 2024Assignee: Cymer, LLCInventor: Leyla Ramin
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Patent number: 11981107Abstract: The method is for manufacturing a clad material (30), which includes: clad rolling for rolling and bonding a first metal plate (131) made of stainless steel, a second metal plate (132) made of Cu or a Cu alloy, and a third metal plate (133) made of stainless steel in a state in which the first metal plate, the second metal plate, and the third metal plate are stacked in this order. The clad rolling is performed with a pressure-bonding load of 4.4×103 N/mm or more. The second layer is made of Cu or a Cu alloy. The third layer is made of stainless steel. The clad material has an overall thickness of 1 mm or less.Type: GrantFiled: February 28, 2022Date of Patent: May 14, 2024Assignee: PROTERIAL, LTD.Inventor: Shinji Yamamoto
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Patent number: 11913103Abstract: There is provided a copper alloy consisting of: Ni: 10 to 15% by weight, Sn: 5.0% by weight or more, Mn: 0 to 0.5% by weight, Zr: 0 to 0.5% by weight, at least one selected from the group consisting of Nb, Fe, Al, Ti, B, Zn, Si, Co, P, Mg, and Bi: 0 to 0.2% by weight in total, and the balance being Cu and inevitable impurities. The copper alloy has, in an X-ray diffraction profile, (i) a peak in the vicinity of 2?=46 to 50° having a peak intensity of 30% or more with respect to a peak intensity in the vicinity of 2?=84 to 88° and (ii) a peak in the vicinity of 2?=40 to 42° having a peak intensity of 2.0% or more with respect to a peak intensity in the vicinity of 2?=84 to 88°.Type: GrantFiled: April 27, 2022Date of Patent: February 27, 2024Assignee: NGK INSULATORS, LTD.Inventors: Ryota Takeuchi, Takanori Asano
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Patent number: 10844468Abstract: A copper alloy sheet material contains, in mass %, Fe: 0.05 to 2.50%, Mg: 0.03 to 1.00%, and P: 0.01 to 0.20%, and the contents of these elements satisfy the relation Mg-1.18(P—Fe/3.6)3 0.03. The Mg solid-solution ratio determined by the amount of dissolved Mg (mass %)/the Mg content of the alloy (mass %) ’ 100 is 50% or more. The density of an Fe—P-based compound having a particle size of 50 nm or more is 10.00 particles/10 mm2 or less, and the density of an Mg—P-based compound having a particle size of 100 nm or more is 10.00 particles/10 mm2 or less. The Cu—Fe—P—Mg-based copper alloy sheet material is excellent in terms of electrical conductivity, strength, bending workability, and stress relaxation resistance in the case where load stress is applied in a direction perpendicular to both a rolling direction and a sheet thickness direction.Type: GrantFiled: August 26, 2014Date of Patent: November 24, 2020Assignee: DOWA METALTECH CO., LTD.Inventors: Kuniaki Miyagi, Takashi Suga, Tomotsugu Aoyama, Hiroto Narieda, Hideki Endo, Akira Sugawara
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Patent number: 9791390Abstract: A diffraction pattern is averaged with adjacent diffraction patterns to increase a signal to noise ratio thereof and improve indexing accuracy. The pixels of a diffraction pattern image are averaged with a correlated pixel from one or more adjacent diffraction patterns. Noise artifacts are reduced in intensity, while signals present in each of the patterns reinforce one another to produce an averaged diffraction pattern which is then indexed.Type: GrantFiled: January 22, 2016Date of Patent: October 17, 2017Assignee: EDAX, IncorporatedInventors: Stuart Ian Wright, Matthew McBride Nowell, Scott Perry Lindeman, Patrick Paul Camus
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Patent number: 9396827Abstract: A Cu—Ti based copper alloy sheet material contains, in mass %, from 2.0 to 5.0% of Ti, from 0 to 1.5% Ni, from 0 to 1.0% Co, from 0 to 0.5% Fe, from 0 to 1.2% Sn, from 0 to 2.0% Zn, from 0 to 1.0% Mg, from 0 to 1.0% Zr, from 0 to 1.0% Al, from 0 to 1.0% Si, from 0 to 0.1% P, from 0 to 0.05% B, from 0 to 1.0% Cr, from 0 to 1.0% Mn, and from 0 to 1.0% V, the balance substantially being Cu. The sheet material has a metallic texture wherein in a cross section perpendicular to a sheet thickness direction, a maximum width of a grain boundary reaction type precipitate is not more than 500 nm, and a density of a granular precipitate having a diameter of 100 nm or more is not more than 105 number/mm2.Type: GrantFiled: March 14, 2014Date of Patent: July 19, 2016Assignee: DOWA METALTECH CO., LTD.Inventors: Weilin Gao, Motohiko Suzuki, Toshiya Kamada, Takashi Kimura, Fumiaki Sasaki, Akira Sugawara
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Publication number: 20150144235Abstract: A copper alloy trolley wire includes: 0.12 mass % to 0.40 mass % of Co; 0.040 mass % to 0.16 mass % of P; 0.005 mass % to 0.70 mass % of Sn; and the balance including Cu and unavoidable impurities, wherein precipitates have an average grain size of equal to or greater than 10 nm, and the number of precipitates having a grain size of equal to or greater than 5 nm is 90% or greater of the total number of observed precipitates, and a heat resistance HR defined by HR=TS1/TS0×100 in which TS0 is an initial tensile strength and TS1 is a tensile strength after holding the copper alloy trolley wire at 400° C. for 2 hours, is equal to or greater than 90%.Type: ApplicationFiled: July 31, 2012Publication date: May 28, 2015Applicants: MITSUBISHI MATERIALS CORPORATION, MITSUBISHI CABLE INDUSTRIES, LTD.Inventors: Tetsuya Ashida, Kouji Hashimoto, Hitoshi Nakamoto, Norikazu Ishida
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Publication number: 20150136281Abstract: A copper alloy wire of the present invention consists of a precipitation strengthening type copper alloy containing Co, P, and Sn, wherein an average grain size of precipitates observed through cross-sectional structure observation immediately after performing an aging heat treatment is equal to or greater than 15 nm and a number of precipitates having grain sizes of equal to or greater than 5 nm is 80% or higher of a total number of observed precipitates, and the copper alloy wire is subjected to cold working after the aging heat treatment.Type: ApplicationFiled: July 31, 2012Publication date: May 21, 2015Applicants: MITSUBISHI CABLE INDUSTRIES, LTD., MITSUBISHI MATERIALS CORPORATIONInventors: Hitoshi Nakamoto, Norikazu Ishida, Kazunari Maki, Hiroyuki Mori, Tetsuya Ashida
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Patent number: 8951369Abstract: What is provided is a copper alloy for electronic/electric device comprising: in mass %, more than 2% and 36.5% or less of Zn; 0.1% or more and 0.9% or less of Sn; 0.05% or more and less than 1.0% of Ni; 0.001% or more and less than 0.10% of Fe; 0.005% or more and 0.10% or less of P; and the balance Cu and inevitable impurities, wherein a content ratio of Fe to Ni, Fe/Ni satisfies 0.002?Fe/Ni<1.5, a content ratio of a sum of Ni and Fe, (Ni+Fe), to P satisfies 3<(Ni+Fe)/P<15, a content ratio of Sn to a sum of Ni and Fe, (Ni+Fe) satisfies 0.3<Sn/(Ni+Fe)<5, an average crystal grain diameter of ? phase containing Cu, Zn, and Sn is in a range of 0.1 to 50 ?m, and the copper alloy includes a precipitate containing P and one or more elements selected from Fe and Ni.Type: GrantFiled: January 4, 2013Date of Patent: February 10, 2015Assignees: Mitsubishi Materials Corporation, Mitsubishi Shindoh Co., Ltd.Inventors: Kazunari Maki, Hiroyuki Mori
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Publication number: 20150000803Abstract: A Cu—Ni—Si-based copper alloy sheet of the invention has excellent mold abrasion resistance and shear workability while maintaining strength and conductivity, in which 1.0 mass % to 4.0 mass % of Ni is contained, 0.2 mass % to 0.9 mass % of Si is contained, the remainder is made up of Cu and inevitable impurities. The number of the Ni—Si precipitate particles having a grain diameter in a range of 20 nm to 80 nm in a surface layer that is as thick as 20% of the entire sheet thickness from the surface is represented by a particles/mm2, and the number of the Ni—Si precipitate particles having a grain diameter in a range of 20 nm to 80 nm in a portion below the surface layer is represented by b particles/mm2, a/b is in a range of 0.5 to 1.5.Type: ApplicationFiled: December 22, 2011Publication date: January 1, 2015Applicant: Mitsubishi Shindoh Co., LtdInventors: Jun-Ichi Kumagai, Yoshio Abe, Akira Saito, Shuzo Umezu, Ryo Iino
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Publication number: 20140318673Abstract: 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: ApplicationFiled: June 24, 2014Publication date: October 30, 2014Inventors: Hiroshi KANEKO, Kiyoshige HIROSE, Tatsuhiko EGUCHI
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Publication number: 20140283963Abstract: A Cu—Ti based copper alloy sheet material contains, in mass %, from 2.0 to 5.0% of Ti, from 0 to 1.5% Ni, from 0 to 1.0% Co, from 0 to 0.5% Fe, from 0 to 1.2% Sn, from 0 to 2.0% Zn, from 0 to 1.0% Mg, from 0 to 1.0% Zr, from 0 to 1.0% Al, from 0 to 1.0% Si, from 0 to 0.1% P, from 0 to 0.05% B, from 0 to 1.0% Cr, from 0 to 1.0% Mn, and from 0 to 1.0% V, the balance substantially being Cu. The sheet material has a metallic texture wherein in a cross section perpendicular to a sheet thickness direction, a maximum width of a grain boundary reaction type precipitate is not more than 500 nm, and a density of a granular precipitate having a diameter of 100 nm or more is not more than 105 number/mm2.Type: ApplicationFiled: March 14, 2014Publication date: September 25, 2014Applicant: DOWA METAL TECH CO., LTD.Inventors: Weilin GAO, Motohiko Suzuki, Toshiya Kamada, Takashi Kimura, Fumiaki Sasaki, Akira Sugawara
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Publication number: 20140116583Abstract: A Cu—Ni—Co—Si based copper alloy sheet material has second phase particles existing in a matrix, with a number density of ultrafine second phase particles is 1.0×109 number/mm2 or more. A number density of fine second phase particles is not more than 5.0×107 number/mm2. A number density of coarse second phase particles is 1.0×105 number/mm2 or more and not more than 1.0×106 number/mm2. The material has crystal orientation satisfying the following equation (1): I{200}/I0{200}?3.0??(1) wherein I{200} represents an integrated intensity of an X-ray diffraction peak of the {200} crystal plane on the sheet material sheet surface; and I0{200} represents an integrated intensity of an X-ray diffraction peak of the {200} crystal plane in a pure copper standard powder sample.Type: ApplicationFiled: October 31, 2013Publication date: May 1, 2014Applicant: DOWA METALTECH CO., LTD.Inventors: Toshiya KAMADA, Takashi KIMURA, Weilin GAO, Fumiaki SASAKI, Akira SUGAWARA
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Publication number: 20140087606Abstract: What is provided is a copper alloy for electronic/electric device comprising: in mass %, more than 2% and 36.5% or less of Zn; 0.1% or more and 0.9% or less of Sn; 0.05% or more and less than 1.0% of Ni; 0.001% or more and less than 0.10% of Fe; 0.005% or more and 0.10% or less of P; and the balance Cu and inevitable impurities, wherein a content ratio of Fe to Ni, Fe/Ni satisfies 0.002?Fe/Ni<1.5, a content ratio of a sum of Ni and Fe, (Ni+Fe), to P satisfies 3<(Ni+Fe)/P<15, a content ratio of Sn to a sum of Ni and Fe, (Ni+Fe) satisfies 0.3<Sn/(Ni+Fe)<5, an average crystal grain diameter of ? phase containing Cu, Zn, and Sn is in a range of 0.1 to 50 ?m, and the copper alloy includes a precipitate containing P and one or more elements selected from Fe and Ni.Type: ApplicationFiled: January 4, 2013Publication date: March 27, 2014Applicants: MITSUBISHI SHINDOH CO., LTD., MITSUBISHI MATERIALS CORPORATIONInventors: Kazunari Maki, Hiroyuki Mori
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Publication number: 20130333812Abstract: To provide a copper alloy of the FCC structure containing Ni: 3.0 to 29.5 mass %, Al: 0.5 to 7.0 mass %, and Si: 0.1 to 1.5 mass %, with the remainder consisting of Cu and incidental impurities, wherein the copper alloy is of the high strength, but is excellent in workability, and has high electrical conductivity, and can control property thereof, by precipitating a ?? phase of the L12 structure including Si at an average particle diameter of 100 nm or less in a parent phase of the copper alloy.Type: ApplicationFiled: December 13, 2011Publication date: December 19, 2013Applicants: Tohoku Techno Arch Co., Ltd., Nippon Seisen Co., Ltd.Inventors: Kiyohito Ishida, Rysuke Kainuma, Ikuo Ohnuma, Toshihiro Omori, Takashi Miyamoto, Hiroki Sato
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Publication number: 20130263978Abstract: Cu—Ni—Si—Co copper alloy strip having excellent balance between strength and electrical conductivity which can prevent the drooping curl is provided. The copper alloy strip for an electronic materials contains 1.0-2.5% by mass of Ni, 0.5-2.5% by mass of Co, 0.3-1.2% by mass of Si, and the remainder comprising Cu and unavoidable impurities, wherein the copper alloy strip satisfies both of the following (a) and (b) as determined by means of X-ray diffraction pole figure measurement based on a rolled surface: (a) among a diffraction peak intensities obtained by ? scanning at ?=20° in a {200} pole figure, a peak height at ? angle 145° is not more than 5.2 times that of standard copper powder; (b) among a diffraction peak intensities obtained by ? scanning at ?=75° in a {111} pole figure, a peak height at ? angle 185° is not less than 3.4 times that of standard copper powder.Type: ApplicationFiled: November 11, 2011Publication date: October 10, 2013Applicant: JX NIPPON MINING & METALS CORPORATIONInventor: Hiroshi Kuwagaki
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Publication number: 20130255838Abstract: An electric and electronic part copper alloy sheet with excellent bending workability and stress relaxation resistance is made from a copper alloy containing 1.5 to 4.0 percent by mass of Ni, Si satisfying a Ni/Si mass ratio of 4.0 to 5.0, 0.01 to 1.3 percent by mass of Sn, and the remainder composed of copper and incidental impurities, wherein the average crystal grain size is 5 to 20 ?m, the standard deviation of the crystal grain size satisfies 2?<10 ?m, and the proportion of the number of particles having a particle diameter of 90 to 300 nm in Ni—Si dispersed particles having a particle diameter of 30 to 300 nm is 20% or more, where the particles are observed in a cross-section defined by a direction perpendicular to a sheet surface and a direction parallel to a rolling direction.Type: ApplicationFiled: March 13, 2013Publication date: October 3, 2013Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventor: Shinya KATSURA
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Publication number: 20130180630Abstract: A Cu—Co—Si-based alloy that has even mechanical properties and that is provided with favorable mechanical and electrical properties as a copper alloy for an electronic material is provided. The copper alloy for an electronic material comprises 0.5% by mass to 3.0% by mass of Co, 0.1% by mass to 1.0% by mass of Si, and the balance Cu with inevitable impurities. An average grain size is in the range of 3 ?m to 15 ?m and an average difference between a maximum grain size and a minimum grain size in every observation field of 0.05 mm2 is 5 ?m or less.Type: ApplicationFiled: September 6, 2011Publication date: July 18, 2013Applicant: JX NIPPON MINING & METALS CORPORATIONInventors: Yasuhiro Okafuji, Takuma Onda, Hiroshi Kuwagaki
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Publication number: 20130167988Abstract: The Cu—Ni—Si-based copper alloy plate contains 1.0 mass % to 3.0 mass % of Ni, and Si at a concentration of ? to ¼ of the mass % concentration of Ni with a remainder of Cu and inevitable impurities, in which, when the average value of the aspect ratio (the minor axis of crystal grains/the major axis of crystal grains) of each crystal grains in an alloy structure is 0.4 to 0.6, the average value of GOS in the all crystal grains is 1.2° to 1.5°, and the ratio (L?/L) of the total special grain boundary length L? of special grain boundaries to the total grain boundary length L of crystal grain boundaries is 60% to 70%, the spring bending elastic limit becomes 450 N/mm2 to 600 N/mm2, the solder resistance to heat separation is favorable and deep drawing workability is excellent at 150° C. for 1000 hours.Type: ApplicationFiled: July 7, 2010Publication date: July 4, 2013Applicant: MITSUBISHI SHINDOH CO., LTD.Inventors: Takeshi Sakurai, Yoshio Abe, Akira Saito, Yoshihiro Kameyama
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Publication number: 20130098511Abstract: A Cu—Co—Si alloy having an improved balance between electrical conductivity and strength is provided. Disclosed is a copper alloy for electronic materials, which contains 0.5% to 4.0% by mass of Co and 0.1% to 1.2% by mass of Si, with the balance being Cu and unavoidable impurities, and in which the mass % ratio of Co and Si (Co/Si) is 3.5?Co/Si?5.5, an area ratio of discontinuous precipitation (DP) cells is 5% or less, and an average value of a maximum width of discontinuous precipitation (DP) cells is 2 ?m or less.Type: ApplicationFiled: April 8, 2011Publication date: April 25, 2013Applicant: JX Nippon Mining & Metals CorporationInventor: Takuma Onda
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Publication number: 20130092297Abstract: The present invention provides a Cu—Co—Si system alloy sheet, being suitable for use in a variety of electronic device components, in particular, having excellent uniform adhesive property for plate. The copper alloy sheet for electronic materials, contains 0.5 to 3.0 mass % Co, 0.1 to 1.0 mass % Si, the balance being Cu and unavoidable impurities, wherein an average grain size in the center part of the sheet thickness is 20 ?m or less, and the number of the crystal grain, being tangent to a surface of the sheet and having 45 ?m or more of the length of major axis, is 5 or less in the area of 1 mm in a rolling direction.Type: ApplicationFiled: March 24, 2011Publication date: April 18, 2013Applicant: JX Nippon Mining & Metals CorporationInventor: Hiroshi Kuwagaki
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Patent number: 8357248Abstract: A copper alloy having high strength, high electrical conductivity, and excellent bendability, the copper alloy containing, in terms of mass %, 0.4 to 4.0% of Ni; 0.05 to 1.0% of Si; and, as an element M, one member selected from 0.005 to 0.5% of P, 0.005 to 1.0% of Cr, and 0.005 to 1.0% of Ti, with the remainder being copper and inevitable impurities, in which an atom number ratio M/Si of elements M and Si contained in a precipitate having a size of 50 to 200 nm in a microstructure of the copper alloy is from 0.01 to 10 on average, the atom number ratio being measured by a field emission transmission electron microscope with a magnification of 30,000 and an energy dispersive analyzer. According to the invention, it is possible to provide a copper alloy having high strength, high electrical conductivity, and excellent bendability.Type: GrantFiled: June 8, 2012Date of Patent: January 22, 2013Assignee: Kobe Steel, Ltd.Inventors: Yasuhiro Aruga, Akira Fugono, Takeshi Kudo, Katsura Kajihara
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Publication number: 20120312431Abstract: A copper alloy includes Si to facilitate deoxidation, and can be easily manufactured even when including elements such as Cr or Sn. The copper alloy has high conductivity and high workability without negatively affecting the tensile strength. The copper alloy consists of 0.2 to 0.4 wt % of Cr, 0.05 to 0.15 wt % of Sn, 0.05 to 0.15 wt % of Zn, 0.01 to 0.30 wt % of Mg, 0.03 to 0.07 wt % of Si, with the remainder being Cu and inevitable impurities. A method for manufacturing the copper alloy includes obtaining a molten metal having the described composition; obtaining an ingot; heating the ingot at a temperature of 900-1000° C. to perform a hot rolling process; cold rolling; performing a first aging process at a temperature of 400-500° C. for 2 to 8 hours; cold rolling; and performing a second aging process at a temperature of 370-450° C. for 2 to 8 hours.Type: ApplicationFiled: December 7, 2010Publication date: December 13, 2012Applicant: POONGSAN CORPORATIONInventors: Dae Hyun Kim, Dong Woo Lee, In Dal Kim, Sang Young Choi, Ji Hoon Lee, Bo Min Jeon
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Publication number: 20120267013Abstract: A copper alloy sheet material, having an R value of 1 or greater, which is defined by: R=([BR]+[RDW]+[W])/([C]+[S]+[B]) wherein [BR], [RDW], [W], [C], [S], and [B] represent an area ratio of crystal texture orientation component of BR orientation {3 6 2}<8 5 3>, RD-rotated-cube orientation {0 1 2}<1 0 0>, cube orientation {1 0 0}<0 0 1>, copper orientation {1 2 1}<1 1 1>, S-orientation {2 3 1}<3 4 6>, and brass orientation {1 1 0}<1 1 2>, respectively, in crystal orientation analysis in an EBSD (electron back scatter diffraction) analysis, and having a proof stress of 500 MPa or greater, and an electrical conductivity of 30%IACS or higher; and a production method of the same.Type: ApplicationFiled: June 1, 2012Publication date: October 25, 2012Inventors: Hiroshi KANEKO, Koji Sato, Tatsuhiko Eguchi
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Patent number: 8268098Abstract: The present invention relates to a copper alloy having high strength, high electrical conductivity, and excellent bendability, the copper alloy containing, in terms of mass %, 0.4 to 4.0% of Ni; 0.05 to 1.0% of Si; and, as an element M, one member selected from 0.005 to 0.5% of P, 0.005 to 1.0% of Cr, and 0.005 to 1.0% of Ti, with the remainder being copper and inevitable impurities, in which an atom number ratio M/Si of elements M and Si contained in a precipitate having a size of 50 to 200 nm in a microstructure of the copper alloy is from 0.01 to 10 on average, the atom number ratio being measured by a field emission transmission electron microscope with a magnification of 30,000 and an energy dispersive analyzer. According to the invention, it is possible to provide a copper alloy having high strength, high electrical conductivity, and excellent bendability.Type: GrantFiled: May 23, 2007Date of Patent: September 18, 2012Assignee: Kobe Steel, Ltd.Inventors: Yasuhiro Aruga, Akira Fugono, Takeshi Kudo, Katsura Kajihara
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Publication number: 20120145284Abstract: A Cu-based sintered sliding member that can be used under high-load conditions. The sliding member is age-hardened, including 5 to 30 mass % Ni, 5 to 20 mass % Sn, 0.1 to 1.2 mass % P, and the rest including Cu and unavoidable impurities. In the sliding member, an alloy phase containing higher concentrations of Ni, P and Sn than their average concentrations in the whole part of the sliding member, is allowed to be present in a grain boundary of a metallic texture, thereby achieving excellent wear resistance. Hence, without needing expensive hard particles, there can be obtained, at low cost, a Cu-based sintered sliding member usable under high-load conditions. Even more excellent wear resistance is achieved by containing 0.3 to 10 mass % of at least one solid lubricant selected from among graphite, graphite fluoride, molybdenum disulfide, tungsten disulfide, boron nitride, calcium fluoride, talc and magnesium silicate mineral powders.Type: ApplicationFiled: August 27, 2010Publication date: June 14, 2012Applicant: Diamet CorporationInventors: Yoshinari Ishii, Tsuneo Maruyama, Yoshiki Tamura
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Publication number: 20110265917Abstract: In a high-strength and high-electrical conductivity copper alloy rolled sheet, 0.14 to 0.34 mass % of Co, 0.046 to 0.098 mass % of P, 0.005 to 1.4 mass % of Sn are contained, [Co] mass % representing a Co content and [P] mass % representing a P content satisfy the relationship of 3.0?([Co]?0.007)/([P]?0.009)?5.9, a total cold rolling ratio is equal to or greater than 70%, a recrystallization ratio is equal to or less than 45% a an average grain size of recrystallized grains is in the range of 0.7 to 7 ?m, an average grain diameter of precipitates is in the range of 2.0 to 11 nm, and an average grain size of fine crystals is in the range of 0.3 to 4 ?m. By the precipitates of Co and P, the solid solution of Sn, and fine crystals, the strength, conductivity and ductility of the copper alloy rolled sheet are improved.Type: ApplicationFiled: December 25, 2009Publication date: November 3, 2011Applicant: MITSUBISHI SHINDOH CO., LTD.Inventor: Keiichiro Oishi
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Publication number: 20110265916Abstract: A high-strength and high-electrical conductivity copper alloy rolled sheet has an alloy composition containing 0.14 to 0.34 mass % of Co, 0.046 to 0.098 mass % of P, 0.005 to 1.4 mass % of Sn and the balance including Cu and inevitable impurities, wherein [Co] mass % representing a Co content and [P] mass % representing a P content satisfy the relationship of 3.0?([Co]?0.007)/([P]?0.009)?5.9. In a metal structure, precipitates are formed, the shape of the precipitates is substantially circular or elliptical, the precipitates have an average grain diameter of 1.5 to 9.0 nm, or 90% or more of all the precipitates have a diameter of 15 nm or less to be fine precipitates, and the precipitates are uniformly dispersed. With the precipitation of the fine precipitates of Co and P and the solid-solution of Sn, the strength, conductivity and heat resistance are improved and a reduction in costs is realized.Type: ApplicationFiled: December 25, 2009Publication date: November 3, 2011Applicant: MITSUBISHI SHINDOH CO., LTD.Inventor: Keiichiro Oishi
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Publication number: 20110186192Abstract: A copper alloy material for an electric/electronic part, having a composition comprising Co 0.5 to 2.0 mass % and Si 0.1 to 0.5 mass %, with the balance of Cu and inevitable impurities, in which a copper alloy of a matrix has a grain size of 3 to 35 ?m, a precipitate composed of Co and Si has a particle size of 5 to 50 nm, the precipitate has a density of 1×108 to 1×1010 number/mm2, and the copper alloy material has a tensile strength of 550 MPa and an electrical conductivity of 50% IACS or more.Type: ApplicationFiled: January 28, 2011Publication date: August 4, 2011Applicant: THE FURUKAWA ELECTRIC CO., LTD.Inventors: Kuniteru MIHARA, Ryosuke MATSUO, Tatsuhiko EGUCHI
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Publication number: 20110073221Abstract: A copper alloy sheet material, having a composition containing any one or both of Ni and Co in an amount of 0.5 to 5.0 mass % in total, and Si in an amount of 0.3 to 1.5 mass %, with the balance of copper and unavoidable impurities, wherein an area ratio of cube orientation {0 0 1} <1 0 0> is 5 to 50%, according to a crystal orientation analysis in EBSD measurement.Type: ApplicationFiled: December 1, 2010Publication date: March 31, 2011Inventors: Hiroshi KANEKO, Kiyoshige HIROSE, Koji SATO
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Publication number: 20110027612Abstract: A bronze alloy having a metallographic structure which has a fine multilayer structure constituted of a layer of ?-form copper and a layer of a copper-tin intermetallic compound and includes an eutectoid phase comprising, dispersedly precipitated therein, fine metal grains containing at least bismuth (fine bismuth grains, etc.). The proportion of the lamellar eutectoid phase is 10-70% by area. From the standpoint of composition, the bronze alloy comprises copper and tin as main components and contains nickel, bismuth, and sulfur as additive elements, the nickel content being 0.5-5.0 mass %, the bismuth content being 0.5-7.0 mass %, and the sulfur content being 0.08-1.2 mass %. The tin content preferably is 8-15 mass %. The alloy may further contain lead in a proportion of 4 mass % or lower. The bronze alloy is used as a sliding surface of a sliding member (e.g., a hydraulic cylinder block).Type: ApplicationFiled: November 14, 2008Publication date: February 3, 2011Inventors: Katsuyuki Funaki, Takeshi Kobayashi, Toru Maruyama, Toshimitu Okane, Iwao Akashi
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Publication number: 20110017357Abstract: A copper alloy material for an electrical/electronic equipment, containing Ni 3.3 to 5.0 mass %, having a content of Si within the range of 2.8 to 3.8 in terms of a mass ratio of Ni and Si (Ni/Si), and containing Mg 0.01 to 0.2 mass %, Sn 0.05 to 1.5 mass %, and Zn 0.2 to 1.5 mass %, with the balance of Cu and inevitable impurities, wherein when a test piece with thickness t of 0.20 mm and width w of 2.0 mm is subjected to 90° W-bending with bending radius R of 0.1 mm, no cracks occur on the test piece; and, an electrical/electronic part obtained by working the same.Type: ApplicationFiled: September 29, 2010Publication date: January 27, 2011Inventors: Koji SATO, Kiyoshige Hirose, Hiroshi Kaneko
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Publication number: 20100326573Abstract: An copper alloy material for electric/electronic components containing Co by 0.2 to 2 mass % and Si by 0.05 to 0.5 mass % and having a remaining component composed of Cu and unavoidable impurities, characterized in that its grain size is 3 to 35 ?m and size of precipitate containing the both of Co and Si is 5 to 50 nm, electric conductivity is 50% IACS or more, tensile strength is 500 MPa or more and bending workability (R/t) is 2 or less.Type: ApplicationFiled: January 30, 2009Publication date: December 30, 2010Inventors: Kuniteru Mihara, Ryosuke Matsuo, Tatsuhiko Eguchi
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Publication number: 20100269963Abstract: A copper alloy material according to the present invention is characterized in that the same comprises: Ni between 2.8 mass % and 5.0 mass %; Si between 0.4 mass % and 1.7 mass %; S of which content is limited to less than 0.005 mass %; and the balance of the copper alloy material is composed of copper and unavoidable impurity, wherein a proof stress is stronger than or equal to 800 MPa, and the same is superior in bending workability and in stress relaxation resistance.Type: ApplicationFiled: October 31, 2008Publication date: October 28, 2010Inventors: Kiyoshige Hirose, Kuniteru Mihara, Hiroshi Kaneko, Tatsuhiko Eguchi
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Publication number: 20100170595Abstract: A copper alloy material according to the present invention is characterized in that the copper alloy material includes: an element X between 0.1% and 4% by mass, in which the element X represents one transition element or not less than two elements selected from Ni, Fe, Co and Cr; an element Y between 0.01% and 3% by mass, in which the element Y represents one element or not less than two elements selected from Ti, Si, Zr and Hf; and a remaining portion to be comprised of copper and an unavoidable impurity, wherein the copper alloy material has an electrical conductivity of not less than 50% IACS, an yield strength of not less than 600 MPa, and a stress relaxation rate of not higher than 20% as to be measured after the same is maintained for 1000 hours at a state under applying a stress of 80% of the yield strength.Type: ApplicationFiled: March 28, 2008Publication date: July 8, 2010Inventors: Hiroshi Kaneko, Kuniteru Mihara, Tatsuhiko Eguchi
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Publication number: 20100132851Abstract: A sheet material of a copper alloy has a chemical composition comprising 1.2 to 5.0 wt % of titanium, and the balance being copper and unavoidable impurities, the material having a mean crystal grain size of 5 to 25 ?m and (maximum crystal grain size?minimum crystal grain size)/(mean crystal grain size) being 0.20 or less, assuming that the maximum, minimum and mean values of mean values, each of which is the mean value of crystal grain sizes in a corresponding one of a plurality of regions which are selected from the surface of the sheet material at random and which have the same shape and size, are the maximum, minimum and mean crystal grain sizes, respectively, and the material having a crystal orientation satisfying I{420}/I0{420}>1.0, assuming that the intensities of X-ray diffraction on the {420} crystal plane of the surface of the material and the standard powder of pure copper are I{420} and I0{420}, respectively.Type: ApplicationFiled: November 24, 2009Publication date: June 3, 2010Applicant: DOWA METALTECH CO., LTD.Inventors: Weilin Gao, Hisashi Suda, Hiroto Narieda, Akira Sugawara
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Publication number: 20090317290Abstract: The invention relates to a multicomponent copper alloy comprising [in % by weight]: Ni from 1.0 to 15.0%, Sn from 2.0 to 12.0%, Mn from 0.1 to 5.0%, Si from 0.1 to 3.0%, balance Cu and unavoidable impurities, if desired up to 0.5% of P, if desired individually or in combination up to 1.5% of Ti, Co, Cr, Al, Fe, Zn, Sb, if desired individually or in combination up to 0.5% of B, Zr, S, if desired up to 5% of Pb, and having Mn—Ni silicide phases which have a mass ratio of the elements [w(Mn)+w(Ni)]/w(Si) in the range from 1.8/1 to 7/1.Type: ApplicationFiled: April 26, 2007Publication date: December 24, 2009Inventors: Maher Ababneh, Hans-Achim Kuhn, Volker Voggeser
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Publication number: 20090229715Abstract: An apparatus for manufacturing wire comprising: a wire delivering equipment, a wire winding equipment, and an annealing while running equipment installed between the wire delivering equipment and the wire winding equipment, the age-precipitation copper alloy wire being passed in such manner that the wire turns around a plurality of times along a running route in the annealing while running equipment. The current applying equipment to raise a temperature of the age-precipitation copper alloy wire by generated Joule heat may be installed at upstream side of the annealing while running equipment. Another current applying equipment for solution treatment may be installed in tandem at upstream side of the annealing while running equipment. In place of the annealing while running equipment, a current applying equipment may be connected in tandem for age-treatment. By using those equipments, age-precipitation copper alloy wire having the diameter of from 0.03 mm to 3 mm may be obtained.Type: ApplicationFiled: March 5, 2009Publication date: September 17, 2009Applicant: THE FURUKAWA ELECTRIC CO., LTD.Inventors: Isao TAKAHASHI, Keisuke KITAZATO
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Publication number: 20090165902Abstract: A method of producing a copper alloy wire rod, containing: a casting step for obtaining an ingot by pouring molten copper of a precipitation strengthening copper alloy into a belt-&-wheel-type or twin-belt-type movable mold; and a rolling step for rolling the ingot obtained by the casting step, which steps are continuously performed, wherein an intermediate material of the copper alloy wire rod in the mid course of the rolling step or immediately after the rolling step is quenched.Type: ApplicationFiled: December 1, 2008Publication date: July 2, 2009Applicant: THE FURUKAWA ELECTRIC CO., LTD.Inventors: Hirokazu YOSHIDA, Tsukasa TAKAZAWA
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Publication number: 20090116997Abstract: A copper alloy tube according to the present invention includes Sn 0.1 to 2.0 mass %, P 0.005 to 0.1 mass %, S 0.005 mass % or less, O 0.005 mass % or less, and H 0.0002 mass % or less, and the remainder has a composition consisting of Cu and unavoidable impurities. And, as is annealed, the copper alloy tube has the following characteristics: a tensile strength in the longitudinal direction of the copper alloy tube is 250 N/mm2 or more; an average grain diameter is 30 ?m or less when measured in the direction perpendicular to the thickness direction of the tube, in the cross section perpendicular to the tube axis; and assuming that a tensile strength in the longitudinal direction of the copper alloy tube is ?L, and a tensile strength in the circumferential direction of the same is ?T, ?T/?L>0.93 holds.Type: ApplicationFiled: October 2, 2008Publication date: May 7, 2009Applicant: KOBELCO & MATERIALS COPPER TUBE, LTD.Inventors: Masato WATANABE, Takashi Shirai
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Publication number: 20090101243Abstract: The present invention relates to a copper alloy having high strength, high electrical conductivity, and excellent bendability, the copper alloy containing, in terms of mass %, 0.4 to 4.0% of Ni; 0.05 to 1.0% of Si; and, as an element M, one member selected from 0.005 to 0.5% of P, 0.005 to 1.0% of Cr, and 0.005 to 1.0% of Ti, with the remainder being copper and inevitable impurities, in which an atom number ratio M/Si of elements M and Si contained in a precipitate having a size of 50 to 200 nm in a microstructure of the copper alloy is from 0.01 to 10 on average, the atom number ratio being measured by a field emission transmission electron microscope with a magnification of 30,000 and an energy dispersive analyzer. According to the invention, it is possible to provide a copper alloy having high strength, high electrical conductivity, and excellent bendability.Type: ApplicationFiled: May 23, 2007Publication date: April 23, 2009Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Yasuhiro Aruga, Akira Fugono, Takeshi Kudo, Katsura Kajihara
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Publication number: 20090025840Abstract: The invention provides Cu—Ni—Si—Co—Cr copper alloys for electronic materials having excellent characteristics such as dramatically improved strength and electrical conductivity. In one aspect, the invention is a Cu—Ni—Si—Co—Cr copper alloy for electronic materials, containing about 0.5-about 2.5% by weight of Ni, about 0.5-about 2.5% by weight of Co, about 0.30-about 1.2% by weight of Si, and about 0.09-about 0.5% by weight of Cr, and the balance being Cu and unavoidable impurities, wherein the ratio of the total weight of Ni and Co to the weight of Si in the alloy composition satisfies the formula: about 4?[Ni+Co]/Si?about 5, and the ratio of Ni to Co in the alloy composition satisfies the formula: about 0.5?Ni/Co?about 2, and wherein Pc is equal to or less than about 15/1000 ?m2, or Pc/P is equal to or less than about 0.Type: ApplicationFiled: March 31, 2006Publication date: January 29, 2009Applicant: Nippon Mining & Metals Co., Ltd.Inventors: Naohiko Era, Kazuhiko Fukamachi, Hiroshi Kuwagaki
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Publication number: 20080099110Abstract: A rolled copper foil applied with a recrystallization annealing after a final cold rolling step and having a crystal grain alignment satisfying a ratio of [a]/[b]?3, where [a] and [b] are normalized average intensities of a {111}Cu plane diffraction of a copper crystal by ?-scanning at ?=35° and 74°, respectively, in an X-ray diffraction pole figure measurement to a rolled surface is manufactured by controlling a total working ratio in the final cold rolling step before the recrystallization annealing to be 94% or more; and controlling a working ratio per one pass in the final cold rolling step to be 15 to 50%.Type: ApplicationFiled: March 7, 2007Publication date: May 1, 2008Inventors: Takemi Muroga, Yasuyuki Ito, Koji Aoyagi, Yoshiki Yamamoto, Kenji Yokomizo, Katsumi Nomura
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Patent number: 6716541Abstract: The material for a metal strip for manufacturing electrical contact component parts has, expressed in percent by weight, the following composition: nickel (Ni) 0.5-3.5% silicon (Si) 0.08-1.0% tin (Sn) 0.1-1.0% zinc (Zn) 0.1-1.0% zirconium (Zr) 0.005-0.2% silver (Ag) 0.02- 0.5% The remainder is copper and includes impurities caused by smelting.Type: GrantFiled: August 19, 2002Date of Patent: April 6, 2004Assignee: Stolberger Metallwerke GmbH & Co. KGInventors: Udo Adler, Jürgen Gebhardt, Heinz Klenen, Robert Leffers, Thomas Helmenkamp
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Patent number: 6464810Abstract: An object is to improve machinability and polishability of a brass material prepared through cold working, particularly in a brass pipe material. Before cold working, by having an &agr; phase making heat treatment step for increasing an area ratio of an &agr; phase, cold ductility can be ensured at the time of cold working. Also, after cold working, by having a &bgr; phase making heat treatment step for increasing an area ratio of a &bgr; phase, a brass material excellent in machinability and polishability can be provided.Type: GrantFiled: April 17, 2000Date of Patent: October 15, 2002Assignee: Toto Ltd.Inventors: Katsuaki Nakamura, Toru Uchida
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Publication number: 20010052377Abstract: A copper alloy with excellent punchability, comprising 0.2 to 0.35 wt % of Cr, 0.1 to 0.5 wt % of Sn, and 0.1 to 0.5 wt % of Zn, the balance being made of Cu and unavoidable impurities, wherein, in a Cu matrix, a precipitation phase A of Cr or a Cr compound of 0.1 to 10 &mgr;m in maximum diameter, is provided, at a density in number of 1×103 to 3×105/mm2, and a precipitation phase B of Cr or a Cr compound of 0.001 to 0.030 &mgr;m in maximum diameter, is provided, at a density in number that is 10 times or more of that of the precipitation phase A.Type: ApplicationFiled: April 10, 2001Publication date: December 20, 2001Inventors: Takao Hirai, Yoshimasa Ohyama, Takayuki Usami
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Patent number: 6197433Abstract: A rolled copper foil for flexible printed circuits contains not more than 10 ppm by weight of oxygen and has a softening-temperature rise index T defined as T=0.60[Bi]+0.55[Pb]+0.60[Sb]+0.64 [Se]+1.36[S]+0.32[As]+0.09[Fe]+0.02[Ni]+0.76[Te]+0.48[Sn]+0.16[Ag]+1.24[P] (each symbol in the brackets representing the concentration in ppm by weight of the element) in the range of 4 to 34. The concentrations of the elements are in the ranges of[Bi]<5, [Pb]<10, [Sb]<5, [Se]<5, [S]<15, [As]<5, [Fe]<20, [Ni]<20, [Te]<5, [Sn]<20, [Ag]<50, and [P]<15 (each symbol in the brackets representing the concentration in ppm by weight of the element).Type: GrantFiled: January 12, 2000Date of Patent: March 6, 2001Assignee: Nippon Mining & Metals Co., Ltd.Inventor: Takaaki Hatano
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Patent number: 5637160Abstract: There is provided a machinable .alpha.+.beta. brass containing bismuth and phosphorous. By maintaining the phosphorous content within a critical range, the alloy exhibits good elevated temperature tensile elongation in the temperature range of 100.degree. C.-350.degree. C. without a decrease in machinability due to phosphide formation. In preferred embodiments, the alloy further contains a tin addition for enhanced corrosion resistance. The combination of tin and phosphorous provides enhanced corrosion resistance to the alloy than could be predicted from either addition alone.Type: GrantFiled: July 20, 1994Date of Patent: June 10, 1997Assignee: Olin CorporationInventors: Andrew J. Brock, John F. Breedis, Jack Crane, Julius C. Fister, Frank N. Mandigo, David D. McDevitt, Mark N. Pearman, Ronald N. Caron
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Patent number: 5487867Abstract: A copper based casting alloy in which lead is replaced by 0.1 to 7 wt % bismuth and 0.1 to 2 wt % mischmetal or its rare earth equivalent is used to improve the distribution of bismuth in the alloy. The alloy is further defined by additions of tin, zinc, nickel, manganese, silicon, aluminum, iron and/or antimony.Type: GrantFiled: February 14, 1994Date of Patent: January 30, 1996Assignee: Federalloy, Inc.Inventor: Akhileshwar R. Singh