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1.发明申请ALUMINUM ALLOY CLAD MEMBER ADOPTED TO HEAT EXCHANGER, AND CORE MATERIAL FOR THE SAME 审中-公开通过热交换器的铝合金挤压件及其相同的芯材公开(公告)号：US20140144613A1
公开(公告)日：2014-05-29
申请号：US14171209
申请日：2014-02-03
IPC分类号： F28F21/08
CPC分类号： F28F21/084 , B23K1/0012 , B23K35/286 , B32B15/016 , B32B15/017 , C22C21/00 , C22C21/02 , C22C21/04 , C22C21/12 , C22C21/14 , C22C21/16 , C22F1/04 , C22F1/043 , C22F1/057 , F28F19/06 , F28F21/089 , Y10S165/905 , Y10T428/12708 , Y10T428/12736 , Y10T428/12764 , Y10T428/31678
摘要： A core material for an aluminum alloy clad material contains Si in a content of 0.3% to 1.5% (hereinafter “%” means “percent by mass”), Mn in a content of 0.3% t 2.0%, Cu in a content of 0.3% to 1.5%, Ti in a content of 0.01% to 0.5%, and B in a content of 0.001% to 0.1%, with the remainder including Al and inevitable impurities. The core material and an aluminum alloy clad material using the same ensure sufficient corrosion resistance and give a product having an extended life.
摘要翻译： 用于铝合金包覆材料的芯材包含含量为0.3％至1.5％（以下称为“％”表示“质量％”）的Si，含量为0.3％t 2.0％的Mn，含量为0.3的Cu ％至1.5％，Ti含量为0.01％至0.5％，B含量为0.001％至0.1％，其余为Al和不可避免的杂质。 芯材和使用该芯材的铝合金包覆材料确保了足够的耐腐蚀性并且产生具有延长使用寿命的产品。
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2.发明申请公开(公告)号：US20170175238A1
公开(公告)日：2017-06-22
申请号：US15300623
申请日：2015-03-20
发明人： Akihiko TATSUMI , Satoru TAKADA , Takahiro OZAWA
摘要： An aluminum alloy material, containing Al, Mg, Si and Sn, where an oxide coating is formed on a surface of the aluminum alloy material, and when the oxide coating formed on the surface of the aluminum alloy material is subjected to glow discharge emission spectroscopic analysis, as the maximum value of each content of Sn and Mg for a region from the surface of the oxide coating to a depth where oxygen amount becomes 15 at %, a Sn content is within a range of 0.01-10 at %, and a Mg content is 0 at % or more and less than 10 at %.
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3.发明申请公开(公告)号：US20180187119A1
公开(公告)日：2018-07-05
申请号：US15129231
申请日：2015-02-26
发明人： Hirotaka ITO , Kasumi YANAGISAWA , Takahiro OZAWA , Keita SHIIHASHI , Shinobu KOMIYAMA , Tsuyoshi HATAKEYAMA
IPC分类号： C10M111/04 , C10M103/06 , C10M107/24 , C10M159/06 , C10M133/56 , C10M163/00 , C10M169/04
CPC分类号： C10M111/04 , C10M103/02 , C10M103/06 , C10M105/24 , C10M105/68 , C10M105/70 , C10M107/24 , C10M107/38 , C10M133/56 , C10M159/06 , C10M163/00 , C10M169/045 , C10M2201/041 , C10M2201/0413 , C10M2201/0623 , C10M2201/065 , C10M2201/0653 , C10M2201/066 , C10M2201/0663 , C10M2201/1023 , C10M2205/18 , C10M2207/1253 , C10M2209/043 , C10M2213/062 , C10M2213/0623 , C10M2215/0806 , C10M2215/2225 , C10M2215/28 , C10N2230/06 , C10N2230/12 , C10N2240/50 , C10N2250/141 , C23C22/83 , C23C28/042
摘要： The present invention provides a steel wire rod having a lubricating coating film, which can achieve both workabilities such as wire drawability, spike property and ball ironing property, and corrosion resistance such as long-term rust prevention property; and a method for producing the same. Disclosed are a steel wire rod having a coating film containing no phosphorus, wherein the coating film includes a lower layer coating film composed of oxide and/or hydroxide of zirconium and having a film thickness of 1.0 to 200 nm, and an upper layer coating film containing silicon and tungsten, in order from a steel wire rod side, a mass ratio of tungsten/silicon being in a range of 1.3 to 18; and a method for producing the above steel wire rod, which includes bringing an aqueous chemical conversion treatment solution, which has a pH in a range of 2.5 to 5.0 and contains a water-soluble zirconium compound dissolved therein, into contact with a surface of a steel wire rod to form a lower layer coating film.
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公开(公告)号：US20170349979A1
公开(公告)日：2017-12-07
申请号：US15506609
申请日：2015-08-27
发明人： Takahiro OZAWA , Akihiko TATSUMI , Satoru TAKADA
CPC分类号： C22C21/02 , C01P2002/70 , C01P2004/03 , C01P2004/61 , C22C21/06 , C22C21/08 , C22C28/00 , C22F1/00 , C22F1/043 , C22F1/047 , C22F1/05
摘要： The present invention pertains to an Al—Mg—Si-based aluminum alloy plate comprising, by mass, 0.20-1.50% of Mg, 0.30-2.00% of Si, and 0.005-0.500% of Sn, the balance being Al and unavoidable impurities, wherein the aluminum alloy plate is characterized in having a structure in which, from among all crystallized substances having a circle-equivalent diameter within the range of 0.3-20 μm as measured using a 500×-magnification SEM, crystallized substances containing Sn identified by an X-ray spectrometer have an average number density in the range of 10 per mm2 to 2,000 per mm2, the proportion of the aforementioned average number density of the crystallized substances containing Sn in relation to the average number density of all crystallized substances having the circle-equivalent diameter being within the range of 0.3-20 μm is 70% or above. With this aluminum alloy plate, it is possible to improve filiform corrosion resistance without inhibiting moldability or BH properties after room-temperature aging.
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公开(公告)号：US20220154313A1
公开(公告)日：2022-05-19
申请号：US17439028
申请日：2020-03-05
发明人： Takahiro SHIKAMA , Shinji YOSHIHARA , Misuzu YAMAMOTO , Yuki TANAKA , Ryo UNOKI , Takahiro OZAWA
摘要： A door beam of a motor vehicle includes a 7000 series aluminum alloy extruded material, the 7000 series aluminum alloy extruded material including Zn: 7.5 mass % to 9.0 mass %, Mg: 1.3 mass % to 2.0 mass %, Cu: 0.1 mass % to 0.7 mass %, Si: 0.15 mass % or less, Fe: 0.3 mass % or less, Ti: 0.005 mass % to 0.2 mass %, and at least one of Mn, Cr, and Zr: 0.1 mass % to 0.5 mass %, in which contents of Mn, Cr and Zr satisfy Mn: 0.3 mass % or less, Cr: 0.25 mass % or less, and Zr: 0.25 mass %, respectively, with the remainder being Al and impurities. A Fe-based crystallized product is contained, and an average Cu content of the Fe-based crystallized product is 5.0 mass % or less.
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公开(公告)号：US20190032166A1
公开(公告)日：2019-01-31
申请号：US15550180
申请日：2016-02-08
发明人： Kosuke SHIBATA , Toshiya NAKATA , Toshio MURAKAMI , Takahiro OZAWA , Fumio YUSE , Atsuhiro SHIRAKI , Kenji SAITO , Yukihiro UTSUMI
IPC分类号： C21D9/46 , C22C38/14 , C22C38/12 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C22C38/08 , C22C38/18 , C21D8/02 , C21D6/00
摘要： An ultra-high-strength steel sheet having a component composition that includes specific amounts of each of C, Si, Mn, and Al and a remainder of iron and unavoidable impurities, and in which the amounts of each of P, S, and N among the unavoidable impurities are limited to a specific amount. The ultra-high-strength steel sheet includes 1 area % or more of a region in which martensite constitutes 90 area % or more, residual austentite constitutes 0.5 area % or more, and the local Mn concentration is at least 1.2 times that of the Mn content of the entire steel sheet. The ultra-high-strength steel sheet has a tensile strength of 1470 MPa or more, a yield ratio of 0.75 or more, and a total elongation of 10% or more.
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公开(公告)号：US20170275738A1
公开(公告)日：2017-09-28
申请号：US15505971
申请日：2015-08-27
发明人： Takahiro OZAWA , Satoru TAKADA , Akihiko TATSUMI
CPC分类号： C22C21/08 , B32B7/12 , B32B9/005 , B32B9/041 , B32B15/043 , B32B15/08 , B32B15/18 , B32B15/20 , B32B2250/02 , B32B2250/04 , B32B2255/06 , B32B2255/10 , B32B2255/205 , B32B2255/26 , B32B2307/54 , B32B2307/714 , B32B2307/732 , B32B2605/00 , B32B2605/003 , B32B2607/00 , C22C21/02 , C22C21/06 , C22F1/05 , C23C10/00 , C23C10/02 , C23C10/60 , G01N23/2273
摘要： An Al—Mg—Si aluminum alloy material includes Sn. An oxide film formed on a surface of the aluminum alloy material is analyzed by a semi-quantitative analysis by X-ray photoelectron spectroscopy. A ratio of the number of Sn atoms to the number of Mg atoms in the oxide film is 0.001 to 3 on average. A ratio of the total number of atoms of Sn and Mg to the number of oxygen atoms is 0.001 to 0.2 on average.
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8.发明申请公开(公告)号：US20190153575A1
公开(公告)日：2019-05-23
申请号：US15550223
申请日：2016-02-08
发明人： Kosuke SHIBATA , Toshiya NAKATA , Toshio MURAKAMI , Takahiro OZAWA , Fumio YUSE , Atsuhiro SHIRAKI , Kenji SAITO , Yukihiro UTSUMI
摘要： Provided is an ultra-high-strength steel sheet having a component composition that includes specific amounts of each of C, Mn, and Al and a remainder of iron and unavoidable impurities, and in which the amounts of each of P, S, and N among the unavoidable impurities are limited to a specific amount. The ultra-high-strength steel sheet includes 2 area % or more of a region having a structure that includes 90% or more of martensite and 0.5% or more of residual austentite by area ratio relative to the entire structure, the local Mn concentration in said region being at least 1.1 times that of the Mn content of the entire steel sheet. The ultra-high-strength steel sheet has a tensile strength of 1470 MPa or more.
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公开(公告)号：US20170349978A1
公开(公告)日：2017-12-07
申请号：US15506595
申请日：2015-08-27
发明人： Hisao SHISHIDO , Katsushi MATSUMOTO , Yasuhiro ARUGA , Satoru TAKADA , Takahiro OZAWA , Akihiko TATSUMI
摘要： The present invention relates to an Al—Mg—Si sheet which contains, in terms of mass %, 0.3-1.0% Mg, 0.5-1.5% Si, 0.005-0.2% Sn, 0.02-1.0% Fe, and 0.02-0.6% Mn, with the remainder comprising Al and unavoidable impurities, characterized by having a structure wherein compounds that are detected with an SEM having a magnification of 500 diameters and are identified with an X-ray spectrometer include Sn compounds which contain Mn and Fe and which have an Sn content of 1.0 mass % or higher and a diameter of 0.3-20 μm in terms of equivalent circular diameter, the average number density of the Sn compounds being 500-3,000 /mm2, and wherein the length of the boundary between each Sn compound and the aluminum matrix is in the range of 3-20/mm on average in terms of value obtained by dividing the total peripheral length of the Sn compound grain by the area thereof determined with the SEM. This aluminum alloy sheet satisfies the formability after natural aging at room temperature and bake hardenability which are required of automotive outer panels, and has excellent filiform rust resistance.
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10.发明申请公开(公告)号：US20170175021A1
公开(公告)日：2017-06-22
申请号：US15129321
申请日：2015-03-20
发明人： Keita SHIIHASHI , Kasumi YANAGISAWA , Hirotaka ITO , Takahiro OZAWA , Shinobu KOMIYAMA , Tsuyoshi HATAKEYAMA
IPC分类号： C10M103/06 , C10M133/16 , C10M129/40 , C10M145/40 , C10M143/02 , C10M145/12 , C10M147/02 , C10M125/26 , C10M125/10 , C10M149/20 , B21C9/02 , C10M145/04
CPC分类号： C10M103/06 , B21C9/00 , B21C9/02 , C10M125/10 , C10M125/26 , C10M129/40 , C10M133/16 , C10M143/02 , C10M145/04 , C10M145/12 , C10M145/40 , C10M147/02 , C10M149/20 , C10M2201/0623 , C10M2201/08 , C10M2201/0803 , C10M2201/102 , C10M2201/1023 , C10M2205/0225 , C10M2205/14 , C10M2207/126 , C10M2209/04 , C10M2209/043 , C10M2209/086 , C10M2209/0863 , C10M2209/12 , C10M2213/062 , C10M2215/08 , C10M2217/045 , C10N2210/01 , C10N2210/02 , C10N2210/06 , C10N2230/12 , C10N2240/402 , C10N2240/50 , C10N2250/121 , C23C22/82
摘要： The present invention provides a steel wire rod including a lubricating coating film, which can reconcile workabilities such as wire drawability, spike property, ball ironing property and film removability, and corrosion resistance such as long-term rust prevention property. The steel wire rod includes a lubricating coating film on a surface, wherein the lubricating coating film contains a water-soluble silicate and a water-soluble tungstate, a mass ratio of water-soluble tungstate/water-soluble silicate being in a range of 0.7 to 10, and contains no phosphorus
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