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    • 1. 发明专利
    • Material de acero metalizado por inmersión en caliente y método para producir el mismo
    • ES2657614T3
    • 2018-03-06
    • ES11744720
    • 2011-02-17
    • NIPPON STEEL & SUMIKIN COATED SHEET CORPNIPPON STEEL & SUMITOMO METAL CORP
    • FUJII SHIROYAMANAKA YOSHIKAZUSHIRAGAKI NOBUKIKANAI HIROSHISHIMODA NOBUYUKIMORIMOTO YASUHIDESUEMUNE YOSHIHIROOOHASHI TOORU
    • C23C2/06B05D1/18C23C2/12
    • Un acero metalizado por inmersión en caliente que comprende un sustrato de acero con una capa de metalización de aleación de aluminio-cinc formada sobre el mismo, conteniendo dicha capa de metalización de aleación de aluminio-cinc Al, Zn, Si, Mg, Cr, Sr y Fe como elementos constitutivos de la misma, en el que, opcionalmente, dicha capa de metalización contiene elementos seleccionados entre elementos alcalinotérreos, Sc, Y, elementos lantánidos, Ti y B como elementos constitutivos, y en el que el contenido total de los elementos alcalinotérreos, Sc, Y y elementos lantánidos, si estuvieran presentes, en la capa de metalización en relación en peso es un 1 % en peso o menos, y en el que, opcionalmente, dicha capa de metalización contiene impurezas inevitables, tales como Pb, Cd, Cu o Mn, en el que el contenido total de impurezas inevitables, si estuvieran presentes, en relación en peso basada en el peso de la capa de metalización es un 1 % en peso o menos, en el que dicha capa de metalización de aleación de aluminio-cinc contiene de un 25 % a un 75 % en peso de Al, de un 0,1 % a un 10 % en peso de Mg, de un 0,02 % en peso a un 1,0 % en peso de Cr, de un 0,5 % a un 10 % en peso, basado en Al, de Si, de 1 ppm a 1000 ppm en peso de Sr, de un 0,1 % a un 1,0 % en peso de Fe, siendo el resto Zn, la relación en peso de Si con respecto a Mg está entre 100:50 y 100:300; dicha capa de metalización de aleación de aluminio-cinc contiene de un 0,2 % a un 15 % en volumen de una fase de Si-Mg, en el que la fase de Si-Mg es una frase compuesta por un compuesto intermetálico de Si y Mg, y está dispersa en la capa de metalización; y en el que el porcentaje en volumen de la fase de Si-Mg en la capa de metalización es igual al área porcentual de la fase de Si-Mg en una sección transversal en el caso de cortar la capa de metalización en la dirección de espesor de la misma; y, en el que la fase de Si-Mg tiene la composición estequiométrica de Mg2Si, y la relación en peso de Mg en la fase de Si-Mg con respecto al peso total de Mg es un 3 % o más, calculándose dicha relación en peso como se define en los párrafos [0039] - [0046] de la descripción.
    • 2. 发明专利
    • Plated steel product, plated steel sheet and precoated steel sheet having excellent resistance to corrosion
    • AU1803000A
    • 2000-12-12
    • AU1803000
    • 1999-12-27
    • NIPPON STEEL & SUMITOMO METAL CORP
    • HONDA KAZUHIKONISHIMURA KAZUMIMORIMOTO YASUHIDETANAKA SATORUSUEMUNE YOSHIHIROMAKI JUNSHINDO HIDETOSHISUGIYAMA MASAAKIFURUKAWA HIROYASUKUROSAKI MASAONOMURA HIROMASAKANAI HIROSHIUEDA KOHEI
    • B05D7/00C23C2/02C23C2/06C23C28/00C23C22/17
    • Provided are a Zn coated steel material, a Zn coated steel sheet and a painted steel sheet excellent in corrosion resistance, and a method of producing the same. Specifically, there is provided coated steel material excellent in corrosion resistance and a method of producing the same, which coated steel material is characterized in that it has, on the surface of steel sheet, a Zn-alloy coating layer containing 1 - 10 wt% of Mg, 2 - 19 wt% of Al and 0.01 - 2 wt% of Si, where Mg and Al satisfy Mg(%) + Al(%) ≤ 20%, the balance being composed of Zn and unavoidable impurities, and has a coating layer structure of a Mg intermetallic compound or the like. As a base metal treatment, it is preferably provided with a Ni coating layer. Also provided are a coated Zn coated steel sheet provided on the coating layer with, as an intermediate layer, a chromate film layer, and further with, as an upper layer, an organic coating layer, and a Zn coated steel sheet excellent in corrosion resistance provided on the coating layer with, as an upper layer, a chromate film, formed by coating with a resin chromate bath and drying, at 10 - 300 mg/m as metallic chromium. The Zn-alloy coating layer according to the present invention may further contain one or more of 0.01 - 1 wt% of In, 0.01 - 1 wt% of Bi and 1 - 10 wt% of Sn. Further provided is a painted steel sheet having on the Zn-alloy coating layer a base metal treatment film layer containing 100 parts by weight of resin as solid content and 0.2 - 50 parts by weight of tannin or tannic acid and on the base metal treatment film layer, as an upper layer, an organic coating layer. Preferably the Zn-alloy coating layer further contains 0.01 - 2 wt% of Si, the base metal treatment film layer further contains 10 - 500 parts by weight of fine-grain silica as solid content, the organic coating layer is composed of an undercoating containing an anti-rust pigment and a colored overcoating, and a Ni coating layer is present under the zn-alloy coating layer. Further provided is a painted steel sheet having a base metal treatment film layer containing 100 parts by weight of resin as solid content and 0.1 - 3,000 parts by weight of a silane coupling agent and on the base metal treatment film layer, as an upper layer, an organic coating layer. The Zn-alloy coating layer can contain 0.01 - 2 wt% of Si and the base metal treatment film layer can further contain, as solid content, one or both of 1 - 200 parts by weight of fine-grain silica and 0.1 - 1,000 parts by weight of an etching fluoride. Moreover, a structure is present wherein intermetallic compound phase of 1 mu m or greater major diameter is dispersed in the Zn-alloy coating layer at a content of 0.1 - 50 vol%.
    • 9. 发明专利
    • Surface-treated hot-dip plated steel
    • 表面处理热镀锌钢
    • JP2013044025A
    • 2013-03-04
    • JP2011182855
    • 2011-08-24
    • Nippon Steel & Sumitomo Metal Corp新日鐵住金株式会社
    • MORISHITA ATSUSHISHIMODA NOBUYUKIKIMATA YOSHIOMORIMOTO YASUHIDESUEMUNE YOSHIHIROOHASHI TORUINADA KENJI
    • C23C28/00C23C2/06C23C2/12C23C22/42
    • PROBLEM TO BE SOLVED: To provide surface-treated hot-dip plated steel in which a worked part has excellent white rusting resistance, damage resistance, stain resistance and appearance while being free from any defective appearance attributable to a plating layer.SOLUTION: In the surface-treated hot-dip plated steel, an aluminum-zinc alloy plating layer (α) is plated on the surface of the steel, and a film (β) which is formed of organic silicon compound (A) having an alkylene group, a siloxane bond, and a crosslinking functional group to be expressed by general formula -SiRRR(R, Rand Rare described in the specification) as a film-forming component is coated on its upper layer. The aluminum-zinc alloy plating layer contains Al, Zn, Si and Mg as components, and the Al content is 25-75 mass%, and the Mg content is 0.1-10 mass%. The aluminum-zinc alloy plating layer contains 0.2-15 vol.% Si-Mg phase, and the mass ratio of Mg in the Si-Mg phase to the total Mg amount in the plating layer is ≥3%.
    • 要解决的问题:提供表面处理的热浸镀钢,其中加工部分具有优异的耐白锈锈性,耐损伤性,耐污染性和外观,同时没有任何由电镀层引起的不良外观。 解决方案:在表面处理的热镀镀钢中,在钢的表面上镀覆铝 - 锌合金镀层(α),由有机硅化合物(A)形成的膜(β) )具有由通式-SiR表示的亚烷基,硅氧烷键和交联官能团-SiR 2 R 3 (R 1 ,R 2 ,R 3 在说明书中描述),因为成膜组分被涂覆在其上层。 铝锌合金镀层含有Al,Zn,Si,Mg作为成分,Al含量为25〜75质量%,Mg含量为0.1〜10质量%。 铝 - 锌合金镀层含有0.2-15体积%的Si-Mg相,并且在镀层中的Si-Mg相中的Mg与总Mg量的质量比为≥3%。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Heat storage member and heat exchanger using the same
    • 热存储器和热交换器
    • JP2012229159A
    • 2012-11-22
    • JP2012149944
    • 2012-07-03
    • Nippon Steel & Sumitomo Metal Corp新日鐵住金株式会社
    • MATSUBAYASHI SHIGEHARUSUEMUNE YOSHIHIROITO TATEOUEHARA TAKUOSAITO TOSHIAKI
    • C04B35/00C04B35/10C04B35/18C04B35/565C04B35/584C04B38/00F23L15/02
    • Y02E20/346Y02E20/348
    • PROBLEM TO BE SOLVED: To provide a heat storage member and a heat exchanger capable of reducing the size and the number of burners and executing short time heat exchanging, which is hardly damaged by thermal expansion, oxidation, corrosion or others.SOLUTION: The heat storage member comprises dense ceramics more than 95% or more by a theoretical density ratio, the dense ceramics includes alumina based ceramics in which an average crystalline particle size is 2 to 50 μm, an average aspect ratio is 4 or more and less than 10, and a purity is 85 mass% or more, and the alumina base ceramics contains 0.1 to 6 mass% of magnesia (MgO), silica (SiO), rare earth oxides (REOand/or REO, RE: rare earth elements), iron oxides (FeOand/or FeO), calcia (CaO), chromia (CrO), transition metal oxides other than the, or at least one composite oxide of the same as a component system other than the alumina.
    • 要解决的问题:提供一种能够减小燃烧器的尺寸和数量并执行几乎不被热膨胀,氧化,腐蚀等的短时间热交换的蓄热构件和热交换器。 解决方案:储热构件包括理论密度比超过95%以上的致密陶瓷,致密陶瓷包括平均结晶粒径为2〜50μm,氧化铝基陶瓷,平均长径比为4 以上且小于10,纯度为85质量%以上,氧化铝基陶瓷含有0.1〜6质量%的氧化镁(MgO),二​​氧化硅(SiO 2 ),稀土氧化物(RE 2 O 3 和/或REO 2 ,RE:稀土元素),铁氧化物(Fe 3 O 4 和/或Fe 2 O 3 ),calcia(CaO),chromia(Cr 2 O 3 ),除与氧化铝以外的成分体系相同的或至少一种复合氧化物的过渡金属氧化物。 版权所有(C)2013,JPO&INPIT