Bearing constituent member and process for producing the same, and rolling bearing having bearing constituent member
US8596875B2 · kind B2 · utility
0Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2009 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | May 30, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49679
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A bearing constituent member includes a surface layer, at least one of particles composed of vanadium nitride having a particle diameter of 0.2 to 2 μm and particles composed of vanadium carbonitride having a particle diameter of 0.2 to 2 μm are present in the surface layer ranging from the surface to a depth of 10 μm and at least one of the area ratio of the particles composed of vanadium nitride having a particle diameter of 0.2 to 2 μm and the particles composed of vanadium carbonitride having a particle diameter of 0.2 to 2 μm in the surface layer ranging from the surface to a depth of 10 μm is 1 to 10%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.