Accession Number : ADD009871

Title :   Sealing of Ceramic Wall Structures.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC

Personal Author(s) : Rose,Douglas N

Report Date : 22 Sep 1982

Pagination or Media Count : 10

Abstract : 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)

Descriptors :   *Patent applications, *Walls, *Structures, *Sealing compounds, Silicon carbides, Powders, Sintering, Reactants(Chemistry), Silicon nitrides, Solids, Inventions

Subject Categories : Adhesives, Seals and Binders
      Ceramics, Refractories and Glass

Distribution Statement : APPROVED FOR PUBLIC RELEASE