Spallation-resistant multilayer thermal spray metal coatings
US9556506B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2013 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Dec 15, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12056
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multilayer, wear- and corrosion-resistant coating on a metal substrate comprising a first metal coating layer comprising a composite carbide material; a second metal coating layer over the first metal coating layer comprising at least about 50 wt % of a metal selected from the group consisting of Co, Ni, and Fe; and a surface metal coating layer comprising a cemented carbide material having a third-layer carbide material and a third-layer Co-based or Ni-based binder material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.