Patent · US Expired

High-temperature and wear-resistant antifriction material having low thermal expansions

US3954479A · kind A · utility

18Cited by
13References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 19, 1974
Grant dateMay 4, 1976
Priority date
Expiry dateFeb 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.