The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2022
Filed:
Mar. 20, 2018
Applicant:
Nippon Steel Corporation, Tokyo, JP;
Inventors:
Kohei Tokuda, Tokyo, JP;
Takuya Mitsunobu, Tokyo, JP;
Akihiro Sengoku, Tokyo, JP;
Kenichiro Matsumura, Tokyo, JP;
Assignee:
NIPPON STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); C22C 38/32 (2006.01); C22C 38/28 (2006.01); C22C 38/06 (2006.01); C22C 38/04 (2006.01); C22C 38/02 (2006.01); C22C 38/00 (2006.01); C22C 30/02 (2006.01); C22C 30/06 (2006.01); C22C 18/04 (2006.01); C23C 2/12 (2006.01); C23C 2/06 (2006.01); C23C 2/28 (2006.01); B21D 22/02 (2006.01); C23C 28/02 (2006.01); C21D 1/673 (2006.01); C21D 1/76 (2006.01); C22C 21/10 (2006.01); C22C 30/00 (2006.01); C22C 18/00 (2006.01); B21D 22/20 (2006.01); C22C 21/00 (2006.01); C23C 18/04 (2006.01); B32B 15/18 (2006.01); B32B 15/04 (2006.01); B32B 15/20 (2006.01); C23C 30/00 (2006.01); C23C 28/00 (2006.01); C23C 8/12 (2006.01); C21D 8/00 (2006.01); C21D 9/00 (2006.01); C21D 1/18 (2006.01); C21D 1/34 (2006.01); C21D 1/40 (2006.01);
U.S. Cl.
CPC ...
B32B 15/012 (2013.01); B21D 22/022 (2013.01); B21D 22/20 (2013.01); B32B 15/01 (2013.01); B32B 15/013 (2013.01); B32B 15/04 (2013.01); B32B 15/043 (2013.01); B32B 15/18 (2013.01); B32B 15/20 (2013.01); C21D 1/673 (2013.01); C21D 1/76 (2013.01); C21D 8/005 (2013.01); C21D 9/0068 (2013.01); C22C 18/00 (2013.01); C22C 18/04 (2013.01); C22C 21/00 (2013.01); C22C 21/10 (2013.01); C22C 30/00 (2013.01); C22C 30/02 (2013.01); C22C 30/06 (2013.01); C22C 38/00 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/004 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/28 (2013.01); C22C 38/32 (2013.01); C23C 2/06 (2013.01); C23C 2/12 (2013.01); C23C 2/28 (2013.01); C23C 8/12 (2013.01); C23C 18/04 (2013.01); C23C 28/02 (2013.01); C23C 28/021 (2013.01); C23C 28/023 (2013.01); C23C 28/025 (2013.01); C23C 28/32 (2013.01); C23C 28/321 (2013.01); C23C 28/322 (2013.01); C23C 28/3225 (2013.01); C23C 28/345 (2013.01); C23C 30/00 (2013.01); C23C 30/005 (2013.01); B32B 2311/12 (2013.01); B32B 2311/20 (2013.01); B32B 2311/22 (2013.01); B32B 2311/24 (2013.01); B32B 2311/30 (2013.01); C21D 1/18 (2013.01); C21D 1/34 (2013.01); C21D 1/40 (2013.01); C21D 2211/008 (2013.01); Y10T 428/1259 (2015.01); Y10T 428/1266 (2015.01); Y10T 428/1275 (2015.01); Y10T 428/12611 (2015.01); Y10T 428/12618 (2015.01); Y10T 428/12736 (2015.01); Y10T 428/12743 (2015.01); Y10T 428/12757 (2015.01); Y10T 428/12764 (2015.01); Y10T 428/12792 (2015.01); Y10T 428/12799 (2015.01); Y10T 428/12951 (2015.01); Y10T 428/12958 (2015.01); Y10T 428/12972 (2015.01); Y10T 428/12979 (2015.01); Y10T 428/2495 (2015.01); Y10T 428/24967 (2015.01); Y10T 428/26 (2015.01); Y10T 428/263 (2015.01); Y10T 428/264 (2015.01); Y10T 428/265 (2015.01);
Abstract
There is provided a hot-stamped body including: a steel base metal; and a metallic layer formed on a surface of the steel base metal, wherein the metallic layer includes: an interface layer that contains, in mass %, Al: 30.0 to 36.0%, has a thickness of 100 nm to 5 μm, and is located in an interface between the metallic layer and the steel base metal; and a principal layer that includes coexisting MgZnphases and insular FeAlphases, is located on the interface layer, and has a thickness of 3 μm to 40 μm.