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- Regulation of the Dispersed Composition of Aluminum Oxide Nanopowders Produced by Electrical Explosion
- Young-Soon Kwon, Olga B. Nazarenko, Alexander P. Ilyin
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Journal of Korean Powder Metallurgy Institute 2003;10(3):161-163
DOI: https://doi.org/10.4150/KPMI.2003.10.3.161
1Research Center for Machine Parts and Materials Processing, School of Materials and Metallurgical Engineering, University of Ulsan
2High Voltage Research Institute of Tomsk Polytechnic University
3High Voltage Research Institute of Tomsk Polytechnic University
2High Voltage Research Institute of Tomsk Polytechnic University
3High Voltage Research Institute of Tomsk Polytechnic University
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Abstract
The feasibility of obtaining highly dispersed aluminum oxide powders by the electrical explosion of aluminum conductors in an inert gas atmosphere and the subsequent oxidation of aluminum particles by water prior to their contact with air is demonstrated. For a specific surface area of the initial aluminum powder of 6.5m2/g, the corresponding specific surface area of the resultant aluminum oxide nanopowder was as large as 300m2/g.
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