Patent · US Expired

Process for producing a solid solution of aluminum oxide in silicon nitride

US3960581A · kind A · utility

16Cited by
5References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 29, 1974
Grant dateJun 1, 1976
Priority date—
Expiry dateApr 29, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B21/0826
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method of producing a sinterable refractory material having a low coefficient of thermal expansion and comprising essentially a dispersion of aluminum oxide throughout a silicon nitride matrix, herein called SIALON. The process includes obtaining aluminum and silicon from generally readily available raw material sources.

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