Energetic Compositions by Mechanochemical Treatment of Metal Powders: 3. Influence of Activated and Modified Aluminum Particles on Combustion of Thermite SiO2–Al Mixtures

2021

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DOI 10.3103/s106138622103002x
Data confidence 85 high
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Abstract

Abstract The influence of mechanochemical treatment (MCT) and modification of Al particles on the process of technological combustion in aluminothermic SiO2–Al mixtures was studied by XRD, SEM/EDS, and pyrometrically. Graphite, polyvinyl alcohol, and stearic acid were used as modifiers. Combined use of modifiers and MCT was found to markedly increase combustion temperature and burning velocity of thermite SiO2–Al compositions.