Title:
熱間プレス部材およびその製造方法
Document Type and Number:
Japanese Patent JP5110073
Kind Code:
B2
Abstract:
Provided are a hot-pressed member which has excellent hot-press formability, spot weldability, and coating adhesion and in which corrosion-induced penetration of hydrogen into the steel can be inhibited, and a process for producing the member. The hot-pressed member comprises a steel plate constituting the member, an Ni diffusion region formed on the surface layer of the steel plate in an amount of 10-90,000 mg/m2 in terms of deposited Ni amount, and an inorganic compound disposed on the Ni diffusion region.
Inventors:
Hiroki Nakamaru
Shinji Otsuka
Hiroyuki Masuoka
Kiyoshi Nakashima
Shinji Otsuka
Hiroyuki Masuoka
Kiyoshi Nakashima
Application Number:
JP2009281154A
Publication Date:
December 26, 2012
Filing Date:
December 11, 2009
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
C23C28/00; C22C38/00; C22C38/60; C23C10/28; C25D5/26
Domestic Patent References:
| JP2005290395A | ||||
| JP61227181A | ||||
| JP3104855A |
Attorney, Agent or Firm:
Shigeru Inoue
Kazuhiro Mori
Kazuhiro Mori