High-temperature and wear-resistant antifriction material having low thermal expansions
US3954479A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 19, 1974 |
| Grant date | May 4, 1976 |
| Priority date | — |
| Expiry date | Feb 19, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C4/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A compact, self-supporting solid article of manufacture consisting essentially high temperature and wear-resistant antifriction material of low thermal expansion in the form of a heterogeneous sintered article of a matrix of glass or glass ceramic of low thermal expansion and distributed within the matrix small particles of at least one temperature and wear-resistant antifriction oxide selected from the group consisting of nickel oxide, cobalt oxide, ferric oxide, bismuth oxide and chromic oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.