Abstract
ABSTRACT Highly reactive Al/ B i 2 O 3 nanothermite reinforced with MLG (multi-layer graphene) is prepared using physical mixing technique, and its exothermic energy release and specific impulse are studied for small-scale propulsion applications using differential scanning calorimeter and force sensor, respectively. The chemical composition of nanothermite samples is examined using X-Ray Diffraction (XRD). Field emission scanning electron microscopy (FESEM) is employed to analyze the surface morphology of prepared samples. According to DSC data, the energy release in Al/Bi2O3 nanothermite increases with increasing content of MLG nanoplatelets up to three weight percent of MLG in nanothermite composition. The maximum value of observed energy release is 668 J/g for nanothermite with three weight percent of MLG. Similar outcomes are observed for the specific impulse values of Al/MLG/Bi2O3. The maximum value of specific impulse observed for Al/Bi2O3 nanothermite with two weight percent of MLG is 50.8 s.
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