Invention Application
- Patent Title: ALUMINUM-BASED PLATED STEEL SHEET, METHOD OF MANUFACTURING ALUMINUM-BASED PLATED STEEL SHEET, AND METHOD OF MANUFACTURING COMPONENT FOR VEHICLE
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Application No.: US16768869Application Date: 2018-12-05
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Publication No.: US20210164080A1Publication Date: 2021-06-03
- Inventor: Soshi FUJITA , Yuki SUZUKI , Masahiro FUDA , Jun MAKI , Hideaki IRIKAWA , Takashi ARAMAKI , Tatsuya KUBOTA
- Applicant: NIPPON STEEL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: NIPPON STEEL CORPORATION
- Current Assignee: NIPPON STEEL CORPORATION
- Current Assignee Address: JP Tokyo
- Priority: JP2017-233620 20171205
- International Application: PCT/JP2018/044684 WO 20181205
- Main IPC: C22C38/54
- IPC: C22C38/54 ; C23C2/12 ; C22C38/50 ; C22C38/48 ; C22C38/44 ; C22C38/00 ; C22C38/02 ; C22C38/04 ; C22C38/06 ; C23C2/40 ; C21D9/46 ; C21D8/02 ; C21D9/00

Abstract:
An aluminum-based plated steel sheet according to an aspect of the present invention includes: a base material; an aluminum-based plating layer located above the base material; and an intermetallic compound layer that is located between the base material and the aluminum-based plating layer and contains an intermetallic compound of Al and Fe, in which the base material has a chemical component within a predetermined range, the aluminum-based plating layer contains, on average, 80 mass % or more and 97 mass % or less of Al, 3 mass % or more and 15 mass % or less of Si, 0 mass % or more and 5 mass % or less of Zn, 0 mass % or more and 5 mass % or less of Fe, 0 mass % or more and 3 mass % or less in total of one or more selected from the group consisting of Mg and Ca, and impurities so that a total amount thereof is 100 mass %, an average value of a thickness of the intermetallic compound layer is 2 μm or more and 10 μm or less, a maximum value of the thickness of the intermetallic compound layer is 10 μm or more and 25 μm or less, and a standard deviation of the thickness of the intermetallic compound layer is 2 μm or more and 10 μm or less.
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