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Combustion, Explosion and Shock Waves

2015 year, number 6

Combustion of Iron Aluminum Thermite with Ammonium Chloride and Sodium Hydrogen Tarbonate

S. L. Silyakov, V. I. Yukhvid
Institute of Structural Macrokinetics and Materials Sciences, Russian Academy of Sciences, Chernogolovka, 142432 Russia
ssl@ism.ac.ru
Keywords: железоалюминиевый термит, добавка соли, скорость горения, концентрационный предел, оксидная и металлическая фазы, iron aluminum thermite, addition of salt, combustion velocity, concentration flammability limit, oxide and metallic phases

Abstract

The effect of sodium hydrogen carbonate and ammonium chloride on the combustion of iron aluminum thermite in air at atmospheric pressure is experimentally studied. The effect of salt additives on the average linear velocity of combustion, the relative yield of the metallic phase in the ingot, and the relative weight loss during thermite combustion are investigated. The concentration flammability limits of the mixtures under consideration are determined.