Fine non-oxide ceramic powders

US5389585A · kind A · utility

Assignee

• H.C. STARCK INC. · US

Inventors

• Theo Konig · Laufenburg (Baden), DE
• Dietmar Fister · Waldbröl, DE

Key dates

• Filing date: Apr 26, 1993
• Grant date: Feb 14, 1995
• Expiry date: Apr 26, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/80
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to fine non-oxide ceramic powders MeX, wherein PA0 Me=B, Al, Si, Ti, Zr, Hf, V, Y, Ta, Nb, Mo, W, La, Fe, Co, Ni and/or Cr and PA0 X=C, N, B and Si or combinations thereof, with the exception of Si.sub.3 N.sub.4 greater than 100 nm and AlN greater than 200 nm.