Two-gram DTA as a thermal compatibility tool |
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Authors: | D N Sorensen D L Knott R F Bell |
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Affiliation: | (1) Naval Surface Warfare Center Indian Head Division, 101 Strauss Ave, Indian Head, MD 20640-5035, USA |
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Abstract: | A useful alternative to the standard techniques described by the North American Treaty Organization STANAG 4147 for determining
thermal compatibilities of an energetic with other materials could be a simple 2-gram scale Differential Thermal Analysis
(2gDTA). The 2gDTA system consists of samples introduced into standard size test tubes inserted into a controlled aluminum-heating
block. Relatively inexpensive thermocouples are used for both temperature control and data collection. Cost of the entire
system is much less than any commercial DSC. Since valuable instrumentation need not be protected, the 2gDTA allows thermal
decomposition reactions to proceed to complete runaway, mimicking the true worst-case scenario. |
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Keywords: | compatibility DTA explosive propellant |
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