Soild-state decomposition mechanisms with conversion extent for ammonium percholorate catalyzed with nanothermite particles

Abstract Colloidal ferric oxide/aluminum nanothermite mixture was incorporated into ammonium percholorate (AP). Nanothermite particles experienced an increase in AP decomposition enthalpy by 120% using DSC. Decomposition kinetic study performed integral isoconversional models including Kissinger and KAS models. offered decrease activation energy 55 44% models, respectively. nanocomposite is running through three steps according to extent of conversion: first-order with E a = 41.08 kJ.mol −1 ( α 0: 0.25), two-dimensional 71.90 0.25: 0.6), one-dimensional diffusion reaction 97.10 0.6:0.9).