Hot-pressed member
US9963755B2 · kind B2 · utility
0Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2015 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Aug 22, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A hot-pressed member includes a steel sheet, a Ni-diffusion region present in a surface layer of the steel sheet, and an intermetallic compound layer and a ZnO layer which are provided in order on the Ni-diffusion region, the intermetallic compound layer corresponding to a γ phase present in a phase equilibrium diagram of a Zn—Ni alloy, wherein a spontaneous immersion potential indicated in a 0.5 M NaCl aqueous air-saturated solution at 25° C.±5° C. is −600 to −360 mV based on a standard hydrogen electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.