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    • 3. 发明授权
    • Corrosion resistant steel sheets improved in corrosion resistance and
other characteristics
    • 耐腐蚀钢板提高了耐腐蚀性等特点
    • US5510196A
    • 1996-04-23
    • US204298
    • 1994-03-08
    • Hiroki NakamaruTohru FujimuraHiroaki OhnumaKazuo MochizukiNobuyuki MoritoMichio Katayama
    • Hiroki NakamaruTohru FujimuraHiroaki OhnumaKazuo MochizukiNobuyuki MoritoMichio Katayama
    • C25D3/56B32B15/18
    • C25D3/565Y10S428/935Y10T428/12799
    • Zn--Cr alloy plated steel sheets have excellent corrosion resistance. It has now been found that the phase structures of Zn--Cr alloy platings are such that they comprise yet to be known phases .eta.x, .delta.x and .GAMMA.x. Furthermore, these phases when taken either singly or with two or more phases being mixed together, exhibit the following characteristics (1)-(6). The characteristics of the respective phases are also identified below.______________________________________(1) .eta.x Resistance to cosmetic corrosion(2) .GAMMA.x Formability(3) .eta.x + .delta.x Chipping resistance(4) .eta.x + .GAMMA.x Corrosion resistance in the as-formed state(5) .delta.x + .GAMMA.x Water resistant secondary adherence of coating(6) .eta.x + .delta.x + .GAMMA.x Perforation corrosion resistance.eta.x: Hexagonal crystal a = 2.66-2.74 .ANG. c = 4.61-4.95 .ANG..delta.x: Hexagonal crystal a = 2.72-2.78 .ANG. c = 4.43-4.60 .ANG..GAMMA.x: Cubic crystal a = 3.00-3.06 .ANG.______________________________________
    • PCT No.PCT / JP93 / 00956 Sec。 371日期:1994年3月8日 102(e)1994年3月8日PCT 1993年7月9日PCT公布。 第WO94 / 01602号公报 1994年1月20日.Zn-Cr合金镀层钢板具有优异的耐腐蚀性。 现在已经发现,Zn-Cr合金电镀的相结构使得它们还包括尚未知的相,ηx和GAMMA x。 此外,当单独或两相或更多相混合时,这些相具有以下特征(1) - (6)。 各个阶段的特征也在下面确定。 - (1)eta x耐化妆品腐蚀 - (2)GAMMA x成型性 - (3)eta x +δx抗剪切性 - (4)eta x + GAMMA x形成状态下的耐腐蚀性 - (5) δx + GAMMA x涂层的防水二次附着力(6)eta x + delta x + GAMMA x穿孔耐腐蚀性等级x:六方晶体a = 2.66-2.74 ANGSTROM - c = 4.61-4.95 ANGSTROM - δx :六角晶体 - a = 2.72-2.78 ANGSTROM - c = 4.43-4.60 ANGSTROM - GAMMA x:立方晶体a = 3.00-3.06 ANGSTROM -
    • 5. 发明授权
    • Process for the manufacture of tinplate using a fused tin chloride
electroplating bath
    • 使用熔融氯化锡电镀浴制造马口铁的工艺
    • US5403468A
    • 1995-04-04
    • US850454
    • 1992-03-10
    • Hisatada NakakojiSeiji NakajimaShuji GomiNobuyuki Morito
    • Hisatada NakakojiSeiji NakajimaShuji GomiNobuyuki Morito
    • C25D3/66C25D7/06
    • C25D3/66
    • A process for the manufacture of tinplates comprising electroplating a substrate in a fused-chloride tin plating bath at a temperature of about 150.degree. to 350.degree. C., a current density of about 100 to 500 A/dm.sup.2 in an atmosphere of a non-oxidizing gas. This process may be converted to a process for the manufacture of reflow type tinplates by only changing the bath temperature, and vice versa. For the manufacture of no-reflow type tinplates, the bath is kept at 150.degree. to 232.degree. C., while for the manufacture of reflow type tinplates, the bath is kept at 233.degree. to 350.degree. C. In these cases, the bath includes SnCl.sub.2 and at least one member selected from the group consisting of KCl, NaCl, LiCl and AlCl.sub.3, and may preferably be operated while flowing the bath at a flow rate of about 0.1 m/sec higher. There is provided equipment for the manufacture of tin-plated steel strip comprising a pretreating apparatus for cold rolling steel strip, an annealing apparatus, a skin pass rolling apparatus, a fused-salt tin-electroplating apparatus with the above bath including chlorides, and an aftertreating apparatus, these apparatus being continuously integrated into the equipment by use of a fused-salt bath.
    • 一种用于制造镀锡板的方法,包括在熔融氯化锡镀浴中在约150℃至350℃的温度下电镀底物,在非气溶胶的气氛中电流密度为约100至500A / dm 2, 氧化气体。 该方法可以通过仅改变浴温度而转化为制造回流型锡板的方法,反之亦然。 对于无回流型锡板的制造,将浴保持在150℃至232℃,而为了制造回流型锡板,将浴保持在233℃至350℃。在这些情况下,浴 包括SnCl 2和选自KCl,NaCl,LiCl和AlCl 3中的至少一种,并且优选在以约0.1m /秒的流速流动浴的情况下操作。 提供了一种用于制造镀锡钢带的设备,其包括用于冷轧钢带的预处理装置,退火装置,皮肤通过轧制装置,具有上述浴的熔融盐电镀装置,包括氯化物,以及 后处理装置,这些装置通过使用熔盐浴连续地集成到设备中。
    • 6. 发明授权
    • Surface-treated steel sheet having improved weldability and plating
properties, and method for producing the same
    • 具有改进的可焊性和电镀性能的表面处理钢板及其制造方法
    • US5326648A
    • 1994-07-05
    • US658084
    • 1991-02-20
    • Chiaki KatoYasuji UesugiNobuyuki MoritoAkira YasudaKouichi YasudaHajime Kimura
    • Chiaki KatoYasuji UesugiNobuyuki MoritoAkira YasudaKouichi YasudaHajime Kimura
    • C23C2/06C23C2/02C25D5/10C25D5/26C25D5/50B32B5/14B32B15/18
    • C25D5/50C23C2/02C25D5/10Y10S205/917Y10T428/12458Y10T428/12799
    • A zinc or zinc-alloy plated steel sheet having an improved weldability and plating properties, as well as a method for making the same is provided. Even when the substrate steel sheet is the one which is difficult to deposit a zinc or zinc-alloy layer by conventional methods, such as an extra low carbon steel sheet, the present invention enable a reliable production of a galvanized steel sheet suffering from no plating failure or insufficient adhesion as well as a reliable production of a galvannealed steel sheet suffering from no plating failure or streaking of the alloyed layer.The zinc or zinc-alloy plated steel sheet having improved weldability comprises an extra low carbon steel sheet, an iron-carbon plated layer or a carbon-rich layer generated by diffusion of the iron-carbon plated layer on at least one major surface of the extra low carbon steel sheet, and a zinc or zinc-alloy plated layer on the iron-carbon plated layer or the carbon-rich layer.The zinc or zinc-alloy plated steel sheet having improved weldability and/or plating properties is produced by depositing on the steel sheet an iron-carbon plated layer having a carbon content of from 0.01% by weight to 10% by weight to a coating weight of from 0 01 g/m.sup.2 to 10 g/m.sup.2, optionally annealing the iron-carbon plated steel sheet, and depositing a zinc or zinc-alloy plated layer, preferably by galvanizing or galvannealing, on the annealed steel sheet.
    • 提供具有改进的焊接性和电镀性能的锌或锌合金镀覆钢板及其制造方法。 即使基板钢板是通过常规方法难以沉积锌或锌合金层的钢板,例如超低碳钢板,本发明能够可靠地生产没有电镀的镀锌钢板 失效或不充分的粘合性,以及可靠地生产没有电镀失效或合金化层的条纹的合金化热镀锌钢板。 具有改善的焊接性的锌或锌合金镀覆钢板包括通过铁碳镀层在至少一个主表面上扩散而产生的超低碳钢板,铁碳镀层或富碳层 铁碳镀层或富碳层上的锌或锌合金镀层。 通过在碳钢板上沉积碳含量为0.01重量%〜10重量%的铁碳镀层,涂布量为1重量%以上,制成具有改善的焊接性和/或电镀性能的锌或锌合金镀覆钢板 为0.01g / m 2至10g / m 2,可选择地对含铁碳素钢板进行退火,并且优选通过镀锌或合金化退火将锌或锌合金镀层沉积在退火钢板上。
    • 7. 发明授权
    • Apparatus for transferring rapidly quenched metallic tapes
    • 用于转移快速淬火的金属带的装置
    • US5207777A
    • 1993-05-04
    • US886305
    • 1992-05-21
    • Kiyoshi ShibuyaToru SatoNobuyuki MoritoSeiko NaraTeruo Hiramatsu
    • Kiyoshi ShibuyaToru SatoNobuyuki MoritoSeiko NaraTeruo Hiramatsu
    • B22D11/06
    • B22D11/0694
    • A method of guiding and transferring a rapidly quenched metallic tape includes steps of peeling the rapidly quenched metallic tape produced by solidification through rapid quenching on a circumferential surface of a single cooling roll rotating at a high speed, introducing the metallic tape into a cylindrical transfer guide to a pinch roll unit arranged at a terminal end of the transfer guide to catch the metallic tape by the pinch roll unit, and moving the pinch roll unit to a winder for the metal tape. The metallic tape is fed in the transfer guide substantially without being in contact with the transfer guide. An apparatus for guiding and transferring a rapidly quenched metallic tape includes a cylindrical transfer guide arranged on a normal line of a single cooling roll for introducing and guiding the metallic tape, a pinch roll unit arranged at a terminal end of the transfer guide for catching the metallic tape, and a transfer trolley for transferring the pinch roll unit to a winder for the metallic tape.
    • 引导和转移快速淬火的金属带的方法包括以下步骤:通过快速淬火将快速淬火的金属带剥离在高速旋转的单个冷却辊的圆周表面上,将金属带引入圆柱形转移导向件 涉及一种夹送辊单元,其布置在转印导向件的终端处,以通过夹送辊单元捕获金属带,并将夹送辊单元移动到用于金属带的卷绕机。 金属带基本上不与转印引导件接触地供给到转印导向件中。 用于引导和传送快速淬火的金属带的装置包括:布置在单个冷却辊的法线上的圆柱形转移引导件,用于引导和引导金属带;压辊单元,布置在转移引导件的终端处,用于捕获 金属带和用于将夹送辊单元转移到用于金属带的卷绕机的转运手推车。
    • 8. 发明授权
    • Aluminum alloy sheet with improved formability and method of production
    • 具有改善成型性和生产方法的铝合金板
    • US5322741A
    • 1994-06-21
    • US30412
    • 1993-04-16
    • Yasuji UesugiKoichi HashiguchiYoshihiro MatsumotoMakoto ImanakaTakaaki HiraNobuyuki MoritoYoichi TobiyamaNobuo TotsukaMotohiro Nabae
    • Yasuji UesugiKoichi HashiguchiYoshihiro MatsumotoMakoto ImanakaTakaaki HiraNobuyuki MoritoYoichi TobiyamaNobuo TotsukaMotohiro Nabae
    • C23C2/02C23C2/28C23C28/00C23C30/00C25D5/44B32B15/20C22F1/04
    • C23C30/00C23C2/02C23C2/28C23C28/00C25D5/44Y10T428/12736Y10T428/12757
    • The invention provides an aluminum alloy sheet having improved formability, an elongation of at least 30%, a sliding frictional resistance of up to 0.13 and minimized surface pressure dependency of sliding frictional resistance, comprising an aluminum alloy substrate containing at least 4 wt % of Mg and a Fe rich plating layer on a surface thereof in a coating weight of 1 to 50 g/m.sup.2. Also provided is a bake hardenable, surface treated aluminum alloy sheet having improved formability, an elongation of at least 25%, a sliding frictional resistance of up to 0.13 and minimized surface pressure dependency of sliding frictional resistance, comprising a bake hardenable aluminum alloy substrate containing Mg and Si in an amount of at least 0.4 wt % calculated as Mg.sub.2 Si and a Fe rich plating layer on a surface thereof in coating weight of 1 to 50 g/m.sup.2. By forming a zincate layer as an undercoat below the Fe rich plating layer, the plating adhesion is further improved. The preferred Fe rich plating layer is a Fe-Zn alloy plating layer containing 20 to 80 wt % of Zn for corrosion resistance improvement. A Fe-Zn alloy plating layer containing 30 to 40 wt % of Zn meets both formability and corrosion resistance.
    • PCT No.PCT / JP92 / 00931 Sec。 371日期:1993年04月16日 102(e)日期1993年4月16日PCT提交1992年7月22日PCT公布。 第WO93 / 02225号公报 日本公开1993年2月4日。本发明提供一种铝合金板,其具有改进的成形性,伸长率至少为30%,滑动摩擦阻力高达0.13,并且滑动摩擦阻力的表面压力依赖性最小化,包括含有 表面上含有至少4重量%的Mg和富Fe镀层,涂层重量为1〜50g / m 2。 还提供了具有改进的成型性,至少25%的伸长率,至多0.13的滑动摩擦阻力和最小化的滑动摩擦阻力的表面压力依赖性的烘烤可硬化的表面处理的铝合金板,其包括含有 Mg和Si的量为至少0.4重量%,其表面上的Mg 2 Si和Fe富镀层的涂层重量为1至50g / m 2。 通过在富Fe镀层下形成作为底涂层的锌酸盐层,进一步提高镀层附着力。 优选的富Fe镀层是含有20〜80重量%的Zn以提高耐腐蚀性的Fe-Zn合金镀层。 含有30〜40重量%Zn的Fe-Zn合金镀层满足成型性和耐腐蚀性。