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Porous Ceramic/Glass Composite Body by Microwave Assisted Substitutional Combustion Synthesis and Sponge Replica Technique

Lee C.C., Yoshikawa N., Taniguchi S.


Porous composite body from Fe3O4/Al and SiO2·RO/SUS system was synthesized by microwave (MW) heating and sponge replica method respectively. A reaction between Fe3O4 and Al was used to fabricate the porous ceramic composite through substitutional combustion synthesis by adequately control of the MW ignition condition. On the other hand, the porous glass composite was made from polyurethane (PU) precursor. Regardless of the mixture systems and processing conditions, both the ceramic and glass composite body revealed the formation of microstructure consisting of micron sized metal particles, uniformly dispersed and distributed in the ceramic/glass matrix. Heating behavior study was performed to evaluate the MW heating ability of the fabricated porous composite body. MW heating selectivity allows the samples to be heated up easily and rapidly owing theirs resulting morphology and phases.


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