title: Synthesis and characterization of laminated Si/SiC composites.
abstract: Laminated Si/SiC ceramics were synthesized from porous preforms of biogenous carbon impregnated with Si slurry at a temperature of 1500 °C for 2 h. Due to the capillarity infiltration with Si, both intrinsic micro- and macrostructure in the carbon preform were retained within the final ceramics. The SEM micrographs indicate that the final material exhibits a distinguished laminar structure with successive Si/SiC layers. The produced composites show weight gain of ≈5% after heat treatment in air at 1300 °C for 50 h. The produced bodies could be used as high temperature gas filters as indicated from the permeability results.
authors: National Research Center, Ceramic Dept., Tahrir Str., Dokki, Cairo, Egypt.
authors: Salma M
authors: SM
authors: Naga
authors: National Research Center, Ceramic Dept., Tahrir Str., Dokki, Cairo, Egypt.
authors: Sayed H
authors: SH
authors: Kenawy
authors: National Research Center, Ceramic Dept., Tahrir Str., Dokki, Cairo, Egypt.
authors: Mohamed
authors: M
authors: Awaad
authors: National Research Center, Ceramic Dept., Tahrir Str., Dokki, Cairo, Egypt.
authors: Hamada S
authors: HS
authors: Abd El-Wahab
authors: Unversity of Erlangen-Nuernberg, Department of Materials Science (III), Erlangen, Germany.
authors: Peter
authors: P
authors: Greil
authors: Cairo University, Chemical Engineering Dept., Cairo, Egypt.
authors: Magdi F
authors: MF
authors: Abadir
keywords: Laminates; Microstructure; Oxidation resistance; Permeability; Si/SiC composites