Combustion Synthesis of Nanocrystalline Al2O3 Powders Using Urea as Fuel: Influence of Different Combustion Aids

Abstract:

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The present article reports the results of studies related to the synthesis of nano-crystalline alumina powder by combustion process using different combustion aids. Aluminium nitrate as oxidant and urea as fuel were used as reagents. Starch and ammonium nitrate were compared as combustion aids. The results showed that employment of starting fuel with combustion aids resulted in synthesizing nano-crystalline alumina powder with small crystalline size (<20 nm) and fine agglomerates. By using combustion aid, the energetics of the combustion reaction has been changed. The different selection of combustion aid determines the characteristics of the as-synthesized powders.

Info:

Periodical:

Key Engineering Materials (Volumes 434-435)

Edited by:

Wei Pan and Jianghong Gong

Pages:

868-871

DOI:

10.4028/www.scientific.net/KEM.434-435.868

Citation:

F. C. Meng et al., "Combustion Synthesis of Nanocrystalline Al2O3 Powders Using Urea as Fuel: Influence of Different Combustion Aids", Key Engineering Materials, Vols. 434-435, pp. 868-871, 2010

Online since:

March 2010

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Price:

$35.00

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