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Abstract
Thermophysical data (enthalpy, specific heat, thermal diffusivity, and density) for pyrotechnic mixtures have been determined. The materials under tests were pyrotechnic compositions containing a pure metal or a metal alloy and polytetrafluoroethylene (PTFE). The enthalpy and thermal characteristics of specific heat were studied by microcalorimetric (differential scanning calorimeter, DSC) measurements. Thermal diffusivity was investigated with a laser-flash apparatus. Results of investigations on three selected specimens containing PTFE with 76.7, 56.7, and 54.5 wt% Zn and 54.5 wt% Al 3 Mg 4 are discussed in detail; data obtained for nine other specimens are reported in brief.
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