Impact driven thermite reactions with iodine pentoxide and silver oxide

R. Russell, S. Bless, Michelle Pantoya

Research output: Contribution to journalArticlepeer-review

Abstract

Thermite reactions using aluminum (Al) fuel and either iodine pentoxide (I2O5) or silver oxide (AgO) were initiated by high-velocity impact or thermal initiation and examined for their flame propagation behavior. In the impact ignition experiments, the Al-AgO reaction produced more energy than the Al-I2O5 reaction, while in the thermal ignition experiments the I2O5 reaction produced higher flame propagation rates (1305 compared with 531 m/s). The energy released from impact-initiated reactions is significantly enhanced by reducing the size of the oxide particles. Results suggest that the reaction propagation mechanisms may be the same even though ignition is spurred by two different stimuli (mechanically induced compaction versus thermal).
Original languageEnglish
Pages (from-to)175-192
JournalJournal of Energetic Materials
StatePublished - 2011

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