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Journal of Thermal Analysis and Calorimetry
Authors:
S. R. Yoganarasimhan
,
N. S. Bankar
,
S. B. Kulkarni
, and
R. G. Sarawadekar
The kinetics of oxidation of metallic fuels by metal oxides involve some of the most important parameters determining the utility of any metal oxide system in pyrotechnic applications. An attempt has been made to study the oxidation of Ta metal by strong oxidizers such as PbO2 and Pb3O4, employing differential thermal analysis and infrared spectroscopy. The rate of oxidation of Ta increases with increasing oxidizer content in both Ta-PbO2 and Ta-Pb3O4, systems. A tentative mechanism for the observed phenomenon is proposed.
