Fiber Interface Coatings

Scanning Electron Micrographs

 

Oxide Interface Coatings

 

Nitride Interface Coatings
SEM image of zirconium oxide interface coating on silicon carbide fibers

 

SEM image (cross-section) of zirconium oxide interface coating on carbon fibers (white rings around each fiber) showing outstanding uniformity of coverage achieved by UVCVD

 

SEM image showing fiber pullout in ceramic matrix composite with zirconium oxide interface coating

 

 

Nitride Interface Coatings

 

SEM image showing hafnium nitride interface coating on carbon fibers

 

 

Multilayered Interface Coatings

 

SEM image showing zirconium oxide/hafnium oxide/zirconium nitride multilayered interface coatings on carbon fibers

 

SEM image showing zirconium oxide/hafnium oxide multilayered interface coatings on carbon fibers