Patent · US Expired

Method of producing sintered body of ceramics

US4327187A · kind A · utility

31Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 1980
Grant dateApr 27, 1982
Priority date
Expiry dateFeb 19, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B35/597
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Disclosed is a method of producing a sintered body of ceramics, wherein a powder mixture consisting, essentially of at most 10%, exclusive of 0%, by weight of yttrium oxide, at most 10%, exclusive of 0%, by weight of aluminum oxide, at most 10%, exclusive of 0%, by weight of aluminum nitride, at most 5%, exclusive of 0%, by weight of at least one material selected from the group consisting of titanium oxide, magnesium oxide and zirconium oxide, and the balance essentially of silicon nitride is sintered under a non-oxidizing atmosphere.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.