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|Title:||Development of carbon foam from phenolic resin via template route|
|Authors:||Manocha, Satish M|
Manocha, L M
|Abstract:||Carbon foams fall in the class of porous, cellular high temperature non-metallic materials with interconnected porosity. In present work, carbon foams have been prepared using commercially available polymeric foams as templates and thermosetting phenolic resin as carbon source. The prepared preform has been carbonized at different temperatures up to 1400°C in inert atmosphere to form carbon foam with interconnected porosity. The removal of volatiles at different temperatures has been studied using FTIR. The effect of heat treatment temperature on density and volume shrinkage has been studied. Thermal stability of carbon foam has been examined by TGA. The porosity of carbon foam has been measured using water porosity and kerosene porosity. Surface morphological studies have been carried out using SEM, which showed that the pores are uniformly distributed and highly interconnected throughout the structure. Compressive strength of the foam has been found to increase with heat treatment temperature.|
|ISSN:||0975-1017 (Online); 0971-4588 (Print)|
|Appears in Collections:||IJEMS Vol.17(5) [October 2010]|
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