Coated tool for warm-and/or-hot working with superior galling resistance property and superior wear resistance
US6811899B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 28, 2002 |
| Grant date | Nov 2, 2004 |
| Priority date | — |
| Expiry date | Jun 16, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A coated tool for warm-and/or-hot working with a superior galling resistance property and a superior wear resistance, comprising: a base material selected from the group consisting of a hot die steel and a high speed steel; and a coating as a working surface, the coating having: a layer “a” provided on said base material, the layer “a” being made of at least one kind selected from the group consisting of a nitride, a carbide and a carbonitride, each of which contains as the main constituent thereof at least one metal element selected from the group consisting of Ti, V, Cr, Al and Si; and a layer “b” provided on the layer “a”, the layer “b” being made of a sulfide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.