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    2xxx series aluminum lithium alloys
    51.
    发明授权
    2xxx series aluminum lithium alloys 有权
    2xxx系列铝锂合金

    公开(公告)号：US09458528B2

    公开(公告)日：2016-10-04

    申请号：US13798750

    申请日：2013-03-13

    Applicant: Alcoa Inc.

    Inventor： Julien Boselli ,  Jen Lin ,  Roberto J. Rioja ,  Feyen Gerriet ,  Khurram Shahzad Chaudhry

    IPC: C22C21/18 ,  C22C21/16 ,  C22F1/057

    CPC classification number: C22C21/18 ,  C22C21/16 ,  C22F1/057

    Abstract: New 2xxx aluminum lithium alloys are disclosed. The aluminum alloys include 3.5-4.4 wt. % Cu, 0.45-0.75 wt. % Mg, 0.45-0.75 wt. % Zn, 0.65-1.15 wt. % Li, 0.1-1.0 wt. % Ag, 0.05-0.50 wt. % of at least one grain structure control element, up to 1.0 wt. % Mn, up to 0.15 wt. % Ti, up to 0.12 wt. % Si, up to 0.15 wt. % Fe, up to 0.10 wt. % of any other element, with the total of these other elements not exceeding 0.35 wt. %, the balance being aluminum.

    Abstract translation: 公开了新的2xxx铝锂合金。 铝合金包括3.5-4.4重量％ ％Cu，0.45-0.75wt。 ％Mg，0.45-0.75wt。 ％Zn，0.65-1.15wt。 ％Li，0.1-1.0wt。 ％Ag，0.05-0.50wt。 ％的至少一种晶粒结构控制元素，至多1.0重量％ ％Mn，至多0.15重量％ ％Ti，至0.12重量％ ％Si，至多0.15wt。 ％Fe，高达0.10wt。 任何其他元素的百分比，其中这些其他元素的总和不超过0.35重量％。 ％，余量为铝。

    COATED FASTENERS WITH CONFORMING SEALS
    53.
    发明申请
    COATED FASTENERS WITH CONFORMING SEALS 有权
    具有密封性的涂层紧固件

    公开(公告)号：US20160281760A1

    公开(公告)日：2016-09-29

    申请号：US15059608

    申请日：2016-03-03

    Applicant: Alcoa Inc.

    Inventor： Manish Kamal ,  Luke Haylock ,  Hasim Mulazimoglu ,  Andreas Liebscher ,  Gregory Rizza ,  Rodrigo Pinheiro ,  Wudhidham Prachumsri

    IPC: F16B33/00 ,  F16B35/06 ,  F16B33/06

    CPC classification number: F16B33/008 ,  B64D45/02 ,  C23C30/00 ,  F16B33/06 ,  F16B35/06 ,  F16B43/00 ,  F16B2019/045

    Abstract: A pin member for a fastener includes an elongated shank having a first end, a second end opposite the first end, a cylindrical shank portion having an outer surface, a head located at the first end of the elongated shank, the head including a bearing surface located on the bearing surface of the head, and a threaded portion located at the second end of the elongated shank. The pin member can be fully coated with a coating. A conformable seal element is attached to the pin member, which is adapted to fill the microscopic voids between the bearing surface of the head of the pin member and the surrounding structure under the axial load exerted by the fastener during installation. The seal element can be separate and distinct from the pin member. The seal element can be attached to the pin member for the sake of convenience, but the seal element can deform independently of the pin member and the surrounding structure in response to the forces exerted by the fastener.

    Abstract translation: 用于紧固件的销构件包括细长柄，其具有第一端，与第一端相对的第二端，具有外表面的圆柱形柄部，位于细长柄的第一端的头部，头部包括支承表面 位于头部的支承表面上，以及位于细长柄的第二端的螺纹部分。 销构件可以完全涂覆涂层。 适配密封元件附接到销构件，其适于在安装期间在由紧固件施加的轴向载荷下填充销构件的头部的支承表面和周围结构之间的微小空隙。 密封元件可以与销构件分离并且不同。 为了方便起见，密封元件可以附接到销构件，但是密封元件可以响应于由紧固件施加的力而独立于销构件和周围结构变形。

    HIGH PERFORMANCE AlSiMgCu CASTING ALLOY
    54.
    发明申请
    HIGH PERFORMANCE AlSiMgCu CASTING ALLOY 审中-公开
    高性能AlSiMgCu铸造合金

    公开(公告)号：US20160281195A1

    公开(公告)日：2016-09-29

    申请号：US15092412

    申请日：2016-04-06

    Applicant: ALCOA INC.

    Inventor： Xinyan Yan ,  Jen C. Lin

    IPC: C22C21/04 ,  C22F1/043 ,  C22C21/02

    CPC classification number: C22C21/04 ,  C22C21/02 ,  C22F1/043

    Abstract: An aluminum casting alloy has 8.5-9.5 wt. % silicon, 0.5-2.0 wt. % copper (Cu), 0.27-0.53 wt. % magnesium (Mg), wherein the aluminum casting alloy includes copper and magnesium such that 4.7≦(Cu+10Mg)≦5.8, and other elements, the balance being aluminum. Selected elements may be added to the base composition to give resistance to degradation of tensile properties due to exposure to heat. The thermal treatment of the alloy is calculated based upon wt. % composition to solutionize unwanted phases having a negative impact on properties and may include a three level ramp-up and soak to a final temperature followed by cold water quenching and artificial aging.

    Abstract translation: 铝铸造合金具有8.5-9.5重量％ ％硅，0.5-2.0重量％ ％铜（Cu），0.27-0.53重量％ ％镁（Mg），其中铝铸造合金包括铜和镁，使得4.7≤（Cu + 10Mg）≤5.8，其余元素为铝。 可以将选择的元素加入到基础组合物中以使其耐受由于暴露于热而引起的拉伸性能的降解。 合金的热处理基于wt计算。 ％组合物以将不利相的相位溶解以对性质具有负面影响，并且可以包括三级倾斜并浸泡到最终温度，然后进行冷水淬灭和人造老化。

    SYSTEMS AND METHODS FOR MODELLING ADDITIVELY MANUFACTURED BODIES
    56.
    发明申请
    SYSTEMS AND METHODS FOR MODELLING ADDITIVELY MANUFACTURED BODIES 审中-公开
    用于建立附加制造体的系统和方法

    公开(公告)号：US20160224017A1

    公开(公告)日：2016-08-04

    申请号：US15011184

    申请日：2016-01-29

    Applicant: ALCOA INC.

    Inventor： Wei Huang ,  Michael A. Globig ,  John Siemon ,  Robert J. Speer

    IPC: G05B19/4099

    CPC classification number: G05B19/4099 ,  B22F3/1055 ,  B22F2003/1057 ,  B29C64/153 ,  B29C64/386 ,  B33Y10/00 ,  B33Y50/02 ,  G05B2219/49023 ,  G06K2209/19 ,  G06T7/0004 ,  G06T2207/10016 ,  G06T2207/10048 ,  G06T2207/30136 ,  Y02P10/295

    Abstract: Methods for creating three-dimensional volume quality models of additively manufactured metal bodies are disclosed. In one embodiment, a method comprises additively manufacturing each metal layer of a metal body. One or more images of the first metal layer are obtained. The image(s) are processed to detect and map potential manufacturing defects in the first metal layer. A two-dimensional contour of the first metal layer is generated from the three-dimensional CAD model. The mapped defects are integrated into the two-dimensional contour. A first layer of a three-dimensional volume quality model of the metal body is created based on the integrated two-dimensional contour.

    Abstract translation: 公开了用于创建附加制造的金属体的三维体积质量模型的方法。 在一个实施例中，一种方法包括相加地制造金属体的每个金属层。 获得第一金属层的一个或多个图像。 处理图像以检测和映射第一金属层中的潜在制造缺陷。 从三维CAD模型生成第一金属层的二维轮廓。 映射的缺陷被集成到二维轮廓中。 基于集成的二维轮廓创建金属体的三维体积质量模型的第一层。

    BLIND FASTENERS
    57.
    发明申请
    BLIND FASTENERS 有权
    BLIND紧固件

    公开(公告)号：US20160215804A1

    公开(公告)日：2016-07-28

    申请号：US15001979

    申请日：2016-01-20

    Applicant: Alcoa Inc.

    Inventor： Gerhart Hufnagl ,  Douglas DeSalvo ,  Randy Torrence

    IPC: F16B13/06 ,  F16B5/02

    CPC classification number: F16B13/061 ,  F16B5/0258 ,  F16B5/04 ,  F16B19/1054 ,  F16B19/1072

    Abstract: A fastener includes a sleeve, a core bolt, and an insert. The sleeve includes a first portion having a first inner diameter, a second portion having a second inner diameter, and a step intermediate the first and second portions. The core bolt includes a cylindrical portion having a first diameter, a threaded portion having a major diameter, and a thread run-out intermediate the cylindrical and threaded portions. The insert is disposed within the sleeve and is sized and shaped to be retained between the step of the sleeve and the thread run-out of the core bolt when the fastener is in a pre-installation position. The fastener compresses the insert between the step of the sleeve and the thread run-out of the core bolt by an installation motion of the core bolt. The insert deforms away from the core bolt to initiate formation of a bulb in response to the compression.

    Abstract translation: 紧固件包括套筒，芯螺栓和插入件。 套筒包括具有第一内径的第一部分，具有第二内径的第二部分和在第一和第二部分之间的台阶。 芯螺栓包括具有第一直径的圆柱形部分，具有大直径的螺纹部分和在圆柱形和螺纹部分之间的螺纹排出。 插入件设置在套筒内，并且当紧固件处于预安装位置时，其尺寸和形状被保持在套筒的台阶与芯螺栓的螺纹流出之间。 紧固件通过芯螺栓的安装运动在套筒的台阶和芯螺栓的螺纹流出之间压入插入件。 插件从芯螺栓变形，以响应于压缩而开始形成灯泡。

    Systems and methods for removing sulfur dioxide from a gas stream
    60.
    发明授权
    Systems and methods for removing sulfur dioxide from a gas stream 有权
    从气流中除去二氧化硫的系统和方法

    公开(公告)号：US09327237B2

    公开(公告)日：2016-05-03

    申请号：US14338864

    申请日：2014-07-23

    Applicant: ALCOA INC.

    Inventor： Rajat S. Ghosh ,  John R. Smith

    IPC: B01D53/50 ,  B01D53/86

    CPC classification number: B01D53/8609 ,  B01D53/1481 ,  B01D53/1493 ,  B01D53/502 ,  B01D53/73 ,  B01D2251/404 ,  B01D2251/604 ,  B01D2252/602 ,  B01D2255/2022 ,  B01D2255/207 ,  B01D2255/2073 ,  B01D2255/20738

    Abstract: Methods for removing sulfur dioxide front a gas stream are disclosed. A method may include passing a gas stream comprising SO2 through a gas scrubbing apparatus. A scrubbing liquor comprising hydroxide ions and at least one oxidation catalyst may be flowed into the gas scrubbing apparatus, thereby contacting the gas stream with the scrubbing liquor. In response to the contacting, at least 90 wt. % of the sulfur dioxide may be removed from the gas stream. Concomitant to the contacting, at least some of the sulfur dioxide may react with at least some of the hydroxide ions, thereby forming sulfite ions in the scrubbing liquor. Some of the sulfite ions may be oxidized, via the oxidation catalyst, thereby forming sulfate ions in the scrubbing liquor. A used scrubbing liquor may be discharged from the scrubbing apparatus.

    Abstract translation: 公开了在气流前面去除二氧化硫的方法。 一种方法可以包括使包含SO 2的气流通过气体洗涤装置。 包含氢氧根离子和至少一种氧化催化剂的洗涤液可以流入气体洗涤装置，从而使气体流与洗涤液接触。 响应于接触，至少90wt。 可以从气流中除去二氧化硫的百分数。 伴随接触，至少一些二氧化硫可与至少一些氢氧根离子反应，从而在洗涤液中形成亚硫酸根离子。 一些亚硫酸根离子可以通过氧化催化剂被氧化，从而在洗涤液中形成硫酸根离子。 使用的洗涤液可以从洗涤装置排出。

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