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196 条记录 (耗时 0.019 秒)

    Hardening of a zinc coated screw body
    1.
    发明公开
    Hardening of a zinc coated screw body 审中-公开

    公开(公告)号：US20240318291A1

    公开(公告)日：2024-09-26

    申请号：US18270011

    申请日：2021-11-17

    申请人： HILTI AKTIENGESELLSCHAFT

    发明人： Roland SCHNEIDER ,  Alexander TOMANDL ,  Juergen ROHR

    IPC分类号： C23C2/28 ,  C23C2/06 ,  C23C2/14 ,  C23C2/34 ,  F16B25/00

    CPC分类号： C23C2/28 ,  C23C2/06 ,  C23C2/14 ,  C23C2/34 ,  F16B25/0026

    摘要： A method for processing a screw body, including a screw body providing step in which a screw body made of a hardenable steel is provided, a primary coating step, in which the screw body is coated with a primary coating that includes zinc, wherein the primary coating step follows the screw body providing step, and a tip hardening step, in which a tip region of the screw body, which is coated with the primary coating, is selectively heated, at least in part and with the ad-mission of oxygen, to a temperature required for hardening, characterized in that the tip hardening step follows the primary coating step. A screw that can be obtained using this method is also provided.

    CORROSION PROTECTION WITH AL/ZN-BASED COATINGS
    3.
    发明申请
    CORROSION PROTECTION WITH AL/ZN-BASED COATINGS 有权

    公开(公告)号：US20230098046A1

    公开(公告)日：2023-03-30

    申请号：US17966157

    申请日：2022-10-14

    申请人： Bluescope Steel Limited

    发明人： Ross McDowall Smith ,  Qiyang Liu ,  Bryan Andrew Shedden ,  Aaron Kiffer Neufeld ,  Joe Williams ,  David James Nolan ,  Wayne Renshaw

    IPC分类号： C23C2/12 ,  C23C2/06 ,  C23C2/14

    摘要： Red rust staining of Al/Zn coated steel strip in “acid rain” or “polluted” environments can be minimised by forming the coating as an Al—Zn—Si—Mg alloy coating with an OT:SDAS ratio greater than a value of 0.5:1, where OT is the overlay thickness on a surface of the strip and SDAS is the measure of the secondary dendrite arm spacing for the Al-rich alpha phase dendrites in the coating. Red rust staining in “acid rain” or “polluted” environments and corrosion at cut edges in marine environments can be minimised in Al—Zn—Si—Mg alloy coatings on steel strip by selection of the composition (principally Mg and Si) and solidification control (principally by cooling rate) and forming Mg2Si phase particles of a particular morphology in interdendritic channels.

    Structure inflation using activated aluminum
    6.
    发明授权
    Structure inflation using activated aluminum 有权

    公开(公告)号：US11268180B2

    公开(公告)日：2022-03-08

    申请号：US16804676

    申请日：2020-02-28

    申请人： LTAG Systems LLC

    发明人： Jonathan Thurston Slocum

    IPC分类号： C23C2/02 ,  H01M8/04082 ,  H01M8/065 ,  C23C2/14 ,  C23C2/04

    摘要： Aluminum can be used as a fuel source when reacted with water if its native surrounding oxide coating is penetrated with a gallium-based eutectic. When discrete aluminum objects are treated in a heated bath of eutectic, the eutectic penetrates the oxide coating. After the aluminum objects are treated, the aluminum objects can be reacted in a reactor to produce hydrogen which can, for example, react with oxygen in a fuel cell to produce electricity, for use in a variety of applications.

    Apparatus for removing top dross of plating pot
    7.
    发明授权
    Apparatus for removing top dross of plating pot 有权

    公开(公告)号：US10655205B2

    公开(公告)日：2020-05-19

    申请号：US15539660

    申请日：2015-12-21

    申请人： POSCO

    发明人： Yong Hun Kweon ,  Tae In Jang ,  Yeon Chae Jeung

    IPC分类号： C23C2/16 ,  C23C2/06 ,  C23C2/14 ,  C23C2/00

    摘要： The present invention relates to an apparatus for removing top dross of a plating pot where a snout and an air knife are arranged, the snout being arranged between the front end region and the rear end region of a plating pot. The present invention provides an apparatus for removing top dross of a plating pot, the apparatus comprising: a first wiping means which is mounted on the plating pot and is arranged between the snout and the air knife so as to be movable in the width direction of the plating pot; a second wiping means which is mounted on the plating pot and is rotatably arranged between the air knife and the first wiping means so as to transfer, to the rear end region, the top dross transferred by the first wiping means; and a third wiping means which is mounted on the plating pot and is rotatably arranged between the air knife and the front end region so as to transfer the top dross to the front end region. Thereby, the present invention provides an advantageous effect of effectively removing dross.

    ZnAlMg-coated metal sheet produced by optimized wiping
    9.
    发明授权
    ZnAlMg-coated metal sheet produced by optimized wiping 有权

    公开(公告)号：US10138538B2

    公开(公告)日：2018-11-27

    申请号：US15106367

    申请日：2013-12-20

    申请人： ArcelorMittal

    发明人： Jean-Michel Mataigne

    IPC分类号： C23C2/06 ,  C23C2/26 ,  C23C2/40 ,  C23C2/02 ,  C23C2/20 ,  B21B1/22 ,  B32B15/01 ,  C23C30/00 ,  B32B15/04 ,  C23C2/18 ,  C23C2/04 ,  C23C2/12 ,  C23C2/14

    摘要： The present invention provides a method for producing a sheet. The method includes providing a substrate, depositing a metal coating over at least one surface by dipping the substrate in a bath in order to obtain the sheet, wiping the metal coating by means of at least one nozzle projecting through at least one outlet a wiping gas onto the metal coating, the sheet being run in front of the nozzle, the wiping gas being ejected from the nozzle along a primary direction of ejection (E), a confinement box delimiting a confined zone at least downstream of the zone of impact (I) of the wiping gas on the sheet and solidifying the metal coating. The method satisfying: Z d ≤ 12 ⁢ ⁢ and ⁢ ⁢ f O 2 ≤ 10 - 4 W 2 ⁢ ( 0.63 + 0.4 + 94900 * W 2 ) ⁢ ⁢ with ⁢ ⁢ W = PdZ V .