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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.149 SNIP: 0.16 CiteScore™: 0.29

ISSN Print: 2150-766X
ISSN Online: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.2012005344
pages 135-148

INVESTIGATION OF NANOPOROUS SILICON−BASED ENERGETIC MATERIALS

Evgenia Golda Fradkin
Faculty of Aerospace Engineering, Technion - Israel Institute of Technology, Haifa, Israel ; Rafael - Advanced Defense Systems Ltd, Haifa, Israel
Alon Gany
Sylvia and David IA Fine Rocket Propulsion Center and the Aerothermodynamics Lab, Faculty of Aerospace Engineering, Technion – Israel Institute of Technology, Haifa, 3200003, Israel

ABSTRACT

This work investigates energetic materials based on nanoporous silicon fuel impregnated with sodium perchlorate oxidizer. The nanoporous silicon samples were prepared by anodization of silicon in a hydrofluoric acid solution, and the influence of the electric current density on the nanoporous structure was studied. The impregnation process was investigated thoroughly in order to achieve optimized pore filling by the sodium perchlorate oxidizer. Thermal analysis using differential scanning calorimetry was performed in order to characterize the energetic reaction and compare between the different samples. Feasibility proof for an energetic reaction of nanoporous silicon impregnated with sodium perchlorate oxidizer was demonstrated by ignition of the samples on a hot plate.


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