Invention Grant
- Patent Title: Hot-pressed member and method of manufacturing the same
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Application No.: US14899319Application Date: 2014-05-13
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Publication No.: US10434556B2Publication Date: 2019-10-08
- Inventor: Seiji Nakajima , Minako Morimoto , Satoru Ando
- Applicant: JFE Steel Corporation
- Applicant Address: JP Tokyo
- Assignee: JFE Steel Corporation
- Current Assignee: JFE Steel Corporation
- Current Assignee Address: JP Tokyo
- Agency: DLA Piper LLP (US)
- Priority: JP2013-128201 20130619
- International Application: PCT/JP2014/002504 WO 20140513
- International Announcement: WO2014/203445 WO 20141224
- Main IPC: B21D22/00
- IPC: B21D22/00 ; B21D22/02 ; C22C18/00 ; C22C38/00 ; C22C38/02 ; C22C38/04 ; C22C38/06 ; C22C38/18 ; C22C38/28 ; C22C38/32 ; C22C38/60
Abstract:
Provided is a hot-pressed member excellent in terms of paint adhesiveness and a method of manufacturing the hot-pressed member. A hot-pressed member has a coating layer containing Zn and Ni on the surface of a steel sheet of which the member is formed, an oxide film containing Zn on the coating layer, and a void formation rate is 80% or less for voids formed between the coating layer and the oxide film.
Public/Granted literature
- US20160158822A1 HOT-PRESSED MEMBER AND METHOD OF MANUFACTURING THE SAME Public/Granted day:2016-06-09
Information query
