公开(公告)号：US11155926B2

公开(公告)日：2021-10-26

申请号：US14768350

申请日：2014-02-18

Applicant: ARCELORMITTAL

Inventor： Christian Allely ,  Tiago Machado Amorim ,  Astrid Coffigny

IPC: C23C2/26 ,  C23C28/00 ,  C23C2/06 ,  C23G1/20 ,  B32B15/01 ,  C23C2/40 ,  C23C22/60 ,  C23C22/68

Abstract: A method for the production of metal sheet including a substrate having two faces, at least one of which is coated with a metal coating including between 0.1 and 10% by weight of Mg and optionally between 0.1 and 20% by weight of Al, the remainder of the metal coating being Zn. The method includes at least the steps of providing a steel substrate having two faces, depositing a metal coating on at least one face hot dipping of the substrate, solidifying the metal coating, applying onto the outer surfaces of the metal coating an aqueous solution having a pH of 7 to 13 and including a magnesium ion complexing agent, for which the dissociation constant pKd of the complexing reaction of the agent with the magnesium is greater than or equal to 2, and to the metal sheet obtainable with this method.

公开(公告)号：US20160010216A1

公开(公告)日：2016-01-14

申请号：US14768350

申请日：2014-02-18

Applicant: ARCELORMITTAL

Inventor： Christian Allely ,  Tiago Machado Amorim ,  Astrid Coffigny

IPC: C23C28/00 ,  C23C2/26 ,  B32B15/01 ,  C23C22/68 ,  C23C22/60 ,  C23C2/06 ,  C23C2/40

CPC classification number: C23C28/321 ,  B32B15/013 ,  C23C2/06 ,  C23C2/26 ,  C23C2/40 ,  C23C22/60 ,  C23C22/68 ,  C23C28/34 ,  C23G1/20

Abstract: A method for the production of metal sheet including a substrate having two faces, at least one of which is coated with a metal coating including between 0.1 and 10% by weight of Mg and optionally between 0.1 and 20% by weight of Al, the remainder of the metal coating being Zn. The method includes at least the steps of providing a steel substrate having two faces, depositing a metal coating on at least one face hot dipping of the substrate, solidifying the metal coating, applying onto the outer surfaces of the metal coating an aqueous solution having a pH of 7 to 13 and including a magnesium ion complexing agent, for which the dissociation constant pKd of the complexing reaction of the agent with the magnesium is greater than or equal to 2, and to the metal sheet obtainable with this method.

Abstract translation: 一种用于生产金属片的方法，其包括具有两个表面的基底，其中至少一个涂覆有包含0.1至10重量％的Mg和任选地0.1至20重量％的Al的金属涂层，其余部分 的金属涂层是Zn。 该方法至少包括以下步骤：提供具有两个面的钢基材，在基材的至少一个表面上浸渍金属涂层，使金属涂层固化，将金属涂层固化，在金属涂层的外表面上施加具有 pH为7〜13，并且包括镁离子络合剂，其中该试剂与镁的络合反应的解离常数pKd大于或等于2，以及可用该方法获得的金属片。