Abstract
The dependence of ignition and the formation of the product structure in powder mixtures of W–Ti, Ti–B, Ti–Cu, and Ni–Al metals with Teflon (Tf) on the blending method and heating rate is studied. The increase in the heating rate is shown to affect slightly the ignition temperature of the Ti–B–Tf and Ti–Cu–Tf systems. However, it significantly changes the structure of the reaction products, leading to the formation of a large amount of melt. Compositions forming a large volume of gaseous products in the process of ignition and combustion fly out completely (W–Ti–Tf) or form a highly porous structure. Estimates of the activation energy of the process are obtained for the weakly energetic Ti–Cu–Tf system.
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Imkhovik, N.A., Selivanov, V.V., Simonov, A.K., Sergeeva, A.I., and Yashin, V.B., Foreign developments of new high-density reactive materials and their use in ammunition of high power of action, Vooruzhenie Ekon., 2014, no. 1, pp. 53–63.
Yashin, V.B., Alekseev, V.V., Khodyrev, S.P., Malkin, A.V., Malkin, A.I., Imkhovik, N.A., and Simonov, A.K., Parameters of TNT explosive charge containing blocks of high-density metal-PTFE composites, Gorenie Vzryv, 2012, no. 5, pp. 360–365.
Dem’yanenko, D.B., Dudyrev, A.S., Strakhov, I.G., and Tsynbal, M.N., A complex of new pyrotechnic retardant compositions for temporary pyroautomatic devices and initiation facilities, Izv. S.-Peterb. Gos. Tekhnol. Inst., 2012, no. 16 (42), pp. 3–6.
Zelepugin, S.A., Dolgoborodov, A.Yu., Ivanova, O.V., and Zelepugin, A.S., Udarno-volnovoi sintez v tverdykh smesyakh (Shock-Wave Synthesis in Solid Mixtures), Tomsk: Inst. Opt. Atmos., Sib. Otd., Ross. Akad. Nauk, 2012.
Denisaev, A.A., Shteinberg, A.S., and Berlin, A.A., Initiation of a reaction in aluminum-teflon multilayer thin-film samples by drop hammer impact loading, Russ. J. Phys. Chem. B, 2008, vol. 2, no. 3, pp. 491–497.
Denisaev, A.A., Shteinberg, A.S., and Berlin, A.A., Temperature effect on the impact sensitivity of aluminum-polytetrafluoroethylene layered composites, Dokl. Phys. Chem., 2009, vol. 428, no. 1, pp. 163–166.
Buznik, V.M. and Kuryavyi, V.G., Morphology and structure of micro-and nanosize polytetrafluoroethylene powders prepared by the gas-phase method, Russ. J. Gen. Chem., 2009, vol. 79, no. 3, pp. 666–676.
Tarasov, A.V., Alikhanyan, A.S., and Arkhangelsky, I.V., Chemical interaction of fluoropolymers with transition metals, Inorg. Mater., 2009, vol. 45, no. 7, pp. 809–813.
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Original Russian Text © S.G. Vadchenko, M.I. Alymov, I.V. Saikov, 2017, published in Fizika i Khimiya Obrabotki Materialov, 2017, No. 5, pp. 55–62.
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Vadchenko, S.G., Alymov, M.I. & Saikov, I.V. Ignition of Some Powder Mixtures of Metals with Teflon. Inorg. Mater. Appl. Res. 9, 517–522 (2018). https://doi.org/10.1134/S2075113318030309
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DOI: https://doi.org/10.1134/S2075113318030309