Abstract
Gel combustion method is a fast chemical method which has been used frequently in recent years for the synthesis of nanomaterials. In this research, stoichiometric cordierite nanopowder was synthesised by gel combustion method and its phase structure and morphology was studied. Silica fume, aluminium and magnesium nitride were used as oxidant, and glycine was applied as fuel; ignited samples were calcinated at 800–1350 °C. The reaction was studied by thermal analysis (TG-DTA), and synthesised cordierite nanopowders were characterised by X-ray diffractometer and field emission electron microscope. Results showed that pure α-cordierite was formed after calcination at 1250 °C and has ~61 nm average crystallite size, but its morphology revealed that all of the samples were agglomerated.
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