Sealing of Ceramic Wall Structures.
DEPARTMENT OF THE ARMY WASHINGTON DC
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A method of sealing the pores in wall structures formed of sintered ceramic powders, especially silicon nitride or silicon carbide. The sealing operation is performed by pumping two reactant gases into the pores of the wall structure from opposite sides of the structure. As the gases meet one another within the pores they chemically react to form a solid ceramic sealant material, e.g., silicon nitride or silicon carbide. The reactant gases are selected so that the in situ-formed sealant corresponds chemically to the wall structure material. Author
- Adhesives, Seals and Binders
- Ceramics, Refractories and Glass