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Abstract <p>Gas emission taking place during combustion of Fe<sub>3</sub>O<sub>4</sub>–Al–Ni nanothermite mixtures with additives of multilayer carbon nanotubes was studied. Variation in released gas volume with pre-degassing temperature was analyzed. It was shown that the major portion of easily evaporated impurities and moisture is removed upon vacuum degassing of mixtures at 162°C. A two-stage ignition mode of mixtures was found, and their critical ignition temperatures were determined. The burning velocity varied from 10 mm/s for Ni + Al to 770 mm/s for Fe<sub>3</sub>O<sub>4</sub> + Al.</p>

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Ignition, Combustion, and Gas Emission during Combustion of Fe3O4–Al–Ni Nanothermite Mixtures

  • 期刊论文

  • 发表日期：

    2025年6月23日

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  • S. G. Vadchenko,
  • S. Yu. Pereverzeva

摘要

Abstract

Gas emission taking place during combustion of Fe3O4–Al–Ni nanothermite mixtures with additives of multilayer carbon nanotubes was studied. Variation in released gas volume with pre-degassing temperature was analyzed. It was shown that the major portion of easily evaporated impurities and moisture is removed upon vacuum degassing of mixtures at 162°C. A two-stage ignition mode of mixtures was found, and their critical ignition temperatures were determined. The burning velocity varied from 10 mm/s for Ni + Al to 770 mm/s for Fe3O4 + Al.