Patent · US Expired

Method for improving the toughness of silicon carbide-based ceramics

US5580510A · kind A · utility

3Cited by

2References

25Claims

0Family size

Assignee

THE REGENTS OF THE UNIVERSITY OF MICHIGAN · US

Inventors

Tseng-Ying Tein · Ann Arbor, US
Gregory E. Hilmas · Tucson, US

Key dates

Filing date	Dec 14, 1993
Grant date	Dec 3, 1996
Priority date	—
Expiry date	Dec 14, 2013

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B35/575
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Method of improving the toughness of SiC-based ceramics. SiC, , AlN, Al.sub.2 O.sub.3 and optionally .alpha.-Si.sub.3 N.sub.4 are hot pressed to form a material which includes AlN polytypoids within its structure.

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