Surface Compatibility Studies of Potassium Perchlorate Reaction with Pyrotechnic Fuels.

摘要

Surface sensitive x-ray photoelectron spectroscopy (XPS) and x-ray induced Auger electron spectroscopy (XAES) were used to analyze surface changes in Fe/KClO sub 4 , TiH sub 0 sub 65 /KClO sub 4 and Al foils in KClO sub 4 during accelerated aging at 60 and 120 exp 0 C. The result shows a 0.02% Cl exp - formation per day in Fe/KClO sub 4 and TiH sub 0 sub 65 /KC 1O sub 4 powders aged at 120 exp 0 C for less than or equal to 145 days. No KClO sub 4 decomposition was observed under the similar aging conditions in KClO sub 4 samples without pyrotechnic fuels. Titanium oxide to KClO sub 4 signal ratio in a pressed disk of TiH sub 0 sub 65 /KClO sub 4 was found to be lower than that of the powdered samples. Carbon impurities were noted in all powders, especially strong in metal (or subhydride) containing specimens; carbon impurities were slightly removed from the subhydride during aging. (ERA citation 09:006573)