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The synthesis of advanced ceramics compounds by intercalation.

Authors
Kwong-KS; Bennett-JP
Source
Tuscaloosa, AL: U.S. Department of the Interior, Bureau of Mines, RI 9603, 1995 Jan; :1-21
Link
NIOSHTIC No.
10005654
Abstract
The U.S. Bureau of Mines investigated the synthesis of advanced ceramics (SiC+AIN, SiAION, SiC+Al2O3, and Si3N4+AIN) from natural clays (kaolin, halloysite, or montmorillonite) by an intercalation and heat treatment method. This process includes the steps of refining a clay, intercalating organic chemicals into its layered structure, drying the intercalated mixture, firing the treated structure at certain temperature ranges in controlled atmospheres to form desired compounds, and grinding the loosely agglomerated structure. Focus on this research is to economically process advanced ceramic structres from abundant natural resources. The advanced ceramic phases produced in this simple treatment are homogeneously distributed at the nanostructure level, and may potentially lead to cost effective manufacturing processes. The intercalation of clay was confirmed by X-ray and BET analyses.
Keywords
Clays; Heat-treatment; Organic-compounds; Cost-effectiveness; Natural-resources; Ceramics; Materials-sciences; Ceramics-refractories-and-glass; Nanotechnology
Publication Date
19950101
Document Type
Report of Investigations
Fiscal Year
1995
NTIS Accession No.
PB96-136627
NTIS Price
A03
Identifying No.
RI-9603
NIOSH Division
TURC
Source Name
Tuscaloosa, AL: U.S. Department of the Interior, Bureau of Mines, RI 9603
State
AL
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