Super-thermites can offer large amount of energy up to 16736 J/g. Flares based on super-thermites can offer superior ther - mal signature to countermeasure infrared (IR) guided missile seekers. This study reports on the sustainable fabrication of mono-dispersed Fe O nanoparticles of 3 nm average particle size. Colloidal Fe O nanoparticles were harvested from their 2 3 2 3 synthesis medium and re-dispersed in acetone. Fluorocarbon polymers (teflon and viton) as well as aluminum metal fuel were integrated into Fe O /acetone colloid. The colloid mixture was granulated and mold pressed to develop the desired 2 3 grain. The impact of Fe O nanoparticles on thermal signature was assessed using (FT-MIR 1–6 µm) spectrometer. Flame 2 3 propagation was investigated by video imaging of combustion wave. Combustion zones were quantified using image analysis. Quantification of flame temperature and main IR emitting species was performed using ICT thermodynamic code (virgin 2008). Nanocomposite flare with 12 wt% Fe O offered an increase in the intensity of β band by 230% to that of reference 2 3 formulation. The primary reaction zone was extended by 164%. Super-thermite particles not only offered superior spectral performance but also altered the combustion mechanism. Keywords Nanoparticles · Thermites · Combustion · Decoy flares ·
Journal of Inorganic and Organometallic Polymers and Materials – Springer Journals
Published: May 29, 2018
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