Abstract
The combustion synthesis is a technique using Glycine and urea as fuels and aluminium nitrate as an oxidizer to produce alumina nano powder. The combustion reaction shows the variation of gases produced and combustion temperature with variation in fuel to oxidizer ratio. Amorphous structure is observed for as-synthesized powder using glycine alone. Crystallinity can be obtained by further calcination at desired temperature. Crystalline alumina powder can be obtained by using urea as a fuel. By using the mixed fuel (Glycine+Urea), there will be sufficient energy for combustion and good crystalline alumina powder can be obtained. The obtained alumina powder is free from organic residues. X-ray diffraction shows the formation of pure alumina powder. SEM (Scanning Electron Microscope) studies show the morphology of the powder.
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