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Journal of Advanced Research. 2013; 4 (1): 75-82
en Inglés | IMEMR | ID: emr-150828

RESUMEN

Laminated Si/SiC ceramics were synthesized from porous preforms of biogenous carbon impregnated with Si slurry at a temperature of 1500[degree]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 approximately 5% after heat treatment in air at 1300[degree]C for 50 h. The produced bodies could be used as high temperature gas filters as indicated from the permeability results


Asunto(s)
Permeabilidad , Cerámica
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