Investigation of changes effect of glycine / urea ratio on ΔCp during the process of synthesis of alumina nanopowder

In this study, the preparation of alumina nanocrystal has been investigated by combustion synthesis method with the aim of studying its thermodynamic properties. Because of the combination of fuels and the relative ratio of fuel to oxidizing, it reduces the flame temperature and prevents the accumulation and growth of nanoparticles, a combination of two urea and glycine compounds was used to prepare nanopowders and improve properties such as porosity increase. The structure of the nanopowders has been studied by the X-ray diffraction, which confirms the structure of the aluminum oxide crystalline structure. Finally, the effect of fuel ratio on the thermodynamic properties of the powders was investigated.