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Burning Velocity and Sample Length Change for the 5Ti + 3Si System. Effects of Mechanoactivation, Thermoevacuation Treatment, and Ambient Atmosphere Pressure

  • Combustion, Explosion, and Shock Waves
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Abstract

The effects of the ambient atmospheric pressure, thermoevacuation treatment, and mechanoactivation on the combustion of the 5Ti + 3Si system is studied. It is demonstrated that the burning velocity and elongation of the samples during combustion do not depend on the argon pressure in the case of the 5Ti + 3Si system, which is fundamentally different from the behavior of the previously studied Ni + Al and Ti + 0.5C systems. After thermoevacuation of the initial mixture, its burning velocity increases significantly (twofold), whereas the increase in the sample length during combustion reverses to contraction. This result can be used to optimize the production of composite targets for the deposition of multifunctional coatings by means of the forced compaction technology in self-propagating high-temperature synthesis, in particular, to obtain a better homogeneity of the products under quasi-static compression conditions.

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Authors and Affiliations

  1. Institute of Structural Macrokinetics and Materials Science, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    N. A. Kochetov & I. A. Studenikin

Authors
  1. N. A. Kochetov
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  2. I. A. Studenikin
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Correspondence to N. A. Kochetov.

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Original Russian Text © N.A. Kochetov, I.A. Studenikin, 2018, published in Khimicheskaya Fizika, 2018, Vol. 37, No. 1, pp. 43–48.

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Kochetov, N.A., Studenikin, I.A. Burning Velocity and Sample Length Change for the 5Ti + 3Si System. Effects of Mechanoactivation, Thermoevacuation Treatment, and Ambient Atmosphere Pressure. Russ. J. Phys. Chem. B 12, 77–82 (2018). https://doi.org/10.1134/S1990793118010086

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  • DOI: https://doi.org/10.1134/S1990793118010086

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