Global to push GA events into
skip to main content

Title: Process for producing advanced ceramics

A process for the synthesis of homogeneous advanced ceramics such as SiC+AlN, SiAlON, SiC+Al.sub.2 O.sub.3, and Si.sub.3 N.sub.4 +AlN from natural clays such as kaolin, halloysite and montmorillonite by an intercalation and heat treatment method. Included are the steps of refining clays, intercalating organic compounds into the layered structure of clays, drying the intercalated mixture, firing the treated atmospheres and grinding the loosely agglomerated structure. Advanced ceramics produced by this procedure have the advantages of homogeneity, cost effectiveness, simplicity of manufacture, ease of grind and a short process time. Advanced ceramics produced by this process can be used for refractory, wear part and structure ceramics.
Inventors:
 [1]
  1. (Tuscaloosa, AL)
Issue Date:
OSTI Identifier:
870592
Assignee:
United States of America as represented by Secretary of (Washington, DC) NETL
Patent Number(s):
US 5552353
Research Org:
National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV
Country of Publication:
United States
Language:
English
Subject:
process; producing; advanced; ceramics; synthesis; homogeneous; sic; aln; sialon; natural; clays; kaolin; halloysite; montmorillonite; intercalation; heat; treatment; method; included; steps; refining; intercalating; organic; compounds; layered; structure; drying; intercalated; mixture; firing; treated; atmospheres; grinding; loosely; agglomerated; produced; procedure; advantages; homogeneity; cost; effectiveness; simplicity; manufacture; ease; grind; time; refractory; wear; layered structure; treatment method; advanced ceramics; organic compound; organic compounds; heat treatment; cost effective; process time; /501/