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    Aluminum Extrusion Alloy
    2.
    发明申请
    Aluminum Extrusion Alloy 有权

    公开(公告)号：US20220025489A1

    公开(公告)日：2022-01-27

    申请号：US17299282

    申请日：2019-12-03

    申请人： Rio Tinto Alcan International Limited

    发明人： Jerome Fourmann ,  Nicholas C. Parson

    IPC分类号： C22C21/02 ,  B21C23/00 ,  C22C21/08

    摘要： An aluminum alloy includes Si and Mg in amounts (wt. %) within a quadrilateral defined by the following coordinates on an Mg/Si plot: I: 1.15 Si, 0.70 Mg, II: 0.95 Si, 0.55 Mg; III: 0.75 Si, 0.65 Mg; and IV: 0.95 Si, 0.85 Mg. The alloy also includes, in weight percent: Mn 0.40-0.80 Fe 0.25 max Cr 0.05-0.18 Cu 0.30-0.90 Ti 0.05 max Zr 0.03 max Zn 0.03 max B 0.01 max with the remainder of the alloy being aluminum and unavoidable impurities in amounts of up to 0.05 wt. % each and 0.15 wt. % total.

    Aluminum alloys having improved tensile properties
    3.
    发明授权
    Aluminum alloys having improved tensile properties 有权

    公开(公告)号：US11198925B2

    公开(公告)日：2021-12-14

    申请号：US16087832

    申请日：2017-03-10

    申请人： Rio Tinto Alcan International Limited

    发明人： Francis Breton ,  Bruno Bourassa ,  Alexandre Maltais ,  Clément Boudreault ,  Dany Tremblay

    IPC分类号： C22C21/04 ,  B22D21/00 ,  C22F1/043 ,  C22C21/02 ,  C22C1/00 ,  B60B3/00

    摘要： The present disclosure provides Al—Si—Mg aluminum alloys comprising a deliberate addition of Mn between 0.05-0.40 weight percent to increase at least one tensile property (such as the yield strength) of an aluminum product comprising such alloy. The Al—Si—Mg alloy comprises, in weight percent, 5-9% Si, 0.35-0.75% Mg, 0.05-0.4% Mn, less than 0.15% Fe, up to 0.15% Ti, 0.005-0.03% Sr and the balance being aluminum and unavoidable impurities, wherein the unavoidable impurities may be present in an amount of up to 0.05% each and up to 0.15% total. The present disclosure provides a foundry ingot comprising the above Al—Si—Mg aluminum alloy, a process for making the above Al—Si—Mg aluminum alloy and an aluminum alloy obtainable by said process.

    Aluminum alloy composition and method
    5.
    发明授权
    Aluminum alloy composition and method 有权

    公开(公告)号：US10557188B2

    公开(公告)日：2020-02-11

    申请号：US14662742

    申请日：2015-03-19

    申请人： Rio Tinto Alcan International Limited

    发明人： Nicholas C. Parson ,  Greg Lea

    IPC分类号： C22F1/04 ,  C22C21/00

    摘要： An aluminum alloy composition includes, in weight percent: 0.5-0.7 manganese; 0.05-0.15 iron; 0.3-0.5 silicon; 0.020 max nickel; 0.05-0.15 titanium; 0.01 max copper; and 0.10 max zinc, with the balance being aluminum and unavoidable impurities. The alloy may also have a combined amount of manganese and silicon of at least 0.8 wt. % and/or a Mn/Si ratio of 2.25 or less. The alloy may tolerate higher nickel contents than existing alloys, while providing increased corrosion resistance, as well as similar extrudability, strength, and performance. Billets or other intermediate products formed of the alloy may be homogenized at 500-595° C. and controlled cooled at 400° C. per hour or less. The homogenized billet may be extruded into an extruded product, such as an aluminum alloy heat exchanger tube.

    Sealing System for Tank Rotary Shaft
    7.
    发明申请
    Sealing System for Tank Rotary Shaft 审中-公开
    罐式旋转轴密封系统

    公开(公告)号：US20170002927A1

    公开(公告)日：2017-01-05

    申请号：US15106035

    申请日：2014-12-04

    申请人： RIO TINTO ALCAN INTERNATIONAL LIMITED

    发明人： Deane LABRUM ,  Dean BELTRAME ,  Guy PELOQUIN ,  Alain BOIVIN

    IPC分类号： F16J15/00 ,  F16J15/3248 ,  B65D90/02 ,  F16J15/3268

    CPC分类号： F16J15/008 ,  B65D90/02 ,  F16J15/3248 ,  F16J15/3268

    摘要： A seal arrangement allowing in-line maintenance and replacement of packing, seals and bushings of a rotary shaft driving a tool extending inside a fluid holding tank. The rotary shaft and associated seals are mounted in an extractable cartridge removably insertable in sealing engagement within a housing projecting outwardly from the tank. A secondary seal comprises an isolation valve mounted to the housing outside of the tank for temporarily providing sealing during servicing of the seals in the extracted cartridge. A tertiary seal is provided for protecting the secondary seal from the tank contents when used in scaling environments. Removable parts of said seal arrangement

    摘要翻译： 一种密封装置，允许在线维护和更换驱动在液体保持箱内延伸的工具的旋转轴的密封件，密封件和衬套。 旋转轴和相关联的密封件安装在可抽出的盒中，可拆卸地插入密封接合在从罐突出的壳体内。 辅助密封件包括安装到壳体外部的壳体的隔离阀，用于在提取的料筒中的密封件维修期间临时提供密封。 提供三级密封，用于在缩放环境中使用时，保护二次密封免受罐内容物的影响。 所述密封装置的可移除部件

    ELECTROLYSIS TANK COMPRISING AN ANODE ASSEMBLY CONTAINED IN A CONTAINMENT ENCLOSURE
    8.
    发明申请
    ELECTROLYSIS TANK COMPRISING AN ANODE ASSEMBLY CONTAINED IN A CONTAINMENT ENCLOSURE 审中-公开
    包含在容纳外壳中的阳极组件的电解槽

    公开(公告)号：US20160326661A1

    公开(公告)日：2016-11-10

    申请号：US15111486

    申请日：2015-01-23

    申请人： RIO TINTO ALCAN INTERNATIONAL LIMITED

    发明人： Olivier MARTIN ,  Christian DUVAL ,  Steeve RENAUDIER ,  Benoit BARDET

    IPC分类号： C25C3/12 ,  C25C3/10 ,  C25C3/16 ,  C25C3/22

    摘要： This cell (1) comprises a pot shell (2) defining an opening through which an anode block (10) is designed to be moved, said anode block (10) being suspended from an anode support (8) forming with said anode block an anode assembly mobile in relation to the pot shell (2), and a confinement chamber (22) defining a closed volume above said opening for the containment of the gases generated during the production of aluminum, the anode support (8) being connected to an electrical conductor (26) to supply an electrolysis current to the anode block (10), the anode assembly is fully contained in the confinement chamber (22), and in that the electrical connection between the mobile electrical conductor (26) and the anode support (8) is made within the confinement chamber (22).

    摘要翻译： 该电池（1）包括限定了阳极块（10）被设计为移动的开口的锅壳（2），所述阳极块（10）悬挂在与所述阳极块形成的阳极支撑件（8）上 阳极组件可相对于锅壳（2）移动;以及限制室（22），其限定在所述开口上方的封闭体积，用于容纳在生产铝期间产生的气体，阳极支撑件（8）连接到 电导体（26）以向阳极块（10）提供电解电流，阳极组件完全容纳在限制室（22）中，并且由于可移动电导体（26）和阳极支撑件 （8）制成在限制室（22）内。

    ALUMINUM ALLOY COMPOSITION AND METHOD
    9.
    发明申请
    ALUMINUM ALLOY COMPOSITION AND METHOD 审中-公开
    铝合金组合物和方法

    公开(公告)号：US20140083569A1

    公开(公告)日：2014-03-27

    申请号：US14033057

    申请日：2013-09-20

    申请人： Rio Tinto Alcan International Limited

    发明人： Nicholas C. Parson ,  Raynald Guay ,  Alexandre Maltais

    IPC分类号： C22F1/04 ,  C22C21/00

    摘要： An aluminum alloy composition includes, in weight percent: 0.7-1.10 manganese; 0.05-0.25 iron; 0.21-0.30 silicon; 0.005-0.020 nickel; 0.10-0.20 titanium; 0.014 max copper; and 0.05 max zinc, with the balance being aluminum and unavoidable impurities. The alloy may tolerate higher nickel contents than existing alloys, while providing increased corrosion resistance, as well as similar extrudability, strength, and performance. Billets of the alloy may be homogenized at 590-640° C. and controlled cooled at less than 250° C. per hour. The homogenized billet may be extruded into a product, such as an aluminum alloy heat exchanger tube.

    摘要翻译： 铝合金组合物包括：重量百分比：0.7-1.10锰; 0.05-0.25铁; 0.21-0.30硅; 0.005-0.020镍; 0.10-0.20钛; 0.014最大铜; 和0.05最大锌，余量为铝和不可避免的杂质。 该合金可耐受比现有合金更高的镍含量，同时提供增加的耐腐蚀性以及类似的可挤压性，强度和性能。 合金的坯料可以在590-640℃下均化，并控制在小于250℃/小时冷却。 均质的坯料可以挤压成产品，例如铝合金换热器管。