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Determining the equilibrium composition of combustion products is important in studying high‐energetic materials such as explosives, propellants, and pyrotechnics. This paper presents a theoretical method and computer program named CAL to predict the composition of combustion products of pyrotechnic mixture based on Magnesium‐Teflon‐Viton by the Gibbs free energy minimization principle. Computer program CAL was developed using the fmincon tool in MATLAB. The reliability of CAL was confirmed when comparing its calculation results with ones obtained by other software and experimental data.
Development of reactive materials with high energetic performances is highly significant owing to the increasing demands for both military and civilian applications. In this work, nanolaminated structure is introduced to construct reactive materials with high reactive properties through periodically stacking fluorine oxidant and metal fuel at sub‐nanometer scale. The exothermic reaction performances and combustion characteristics can be significantly enhanced resulted from the ultra‐high interfacial area and reduced mass diffusion distance at sub‐nanometer scale between fluorine oxidant and metal fuel. The energy output of 2632.1 J g−1 and lower onset reaction temperature of 438 °C are observed for the nanolaminated poly(tetrafluoroethylene) (PTFE)/magnesium (Mg). Furthermore, a self‐propagation combustion reaction at the micrometer scale with tunable burn rate can be achieved through controlled thickness of layers. A burn rate model is proposed to illustrate the influence of structural feature on the burn rate of the nanolaminated PTFE/Mg. Based on the above results, a microenergetic device is prepared to demonstrate the practical application of the nanolaminated PTFE/Mg.
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