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Effect of Particle Size on Thermal Property of RDX and HMX  

Kim, Seung Hee (Agency for Defense Development)
Publication Information
Applied Chemistry for Engineering / v.23, no.3, 2012 , pp. 352-357 More about this Journal
Abstract
Techniques of thermal analyses such as DSC and TGA have been used in the study of activation energy (Ea) and frequency factor (A) depending on the particle size of RDX and HMX. Activation energy and frequency factor were calculated by Kissinger's method and Vyazovkin's method. As the particle size of RDX increased, TGA showed activation energy increased, but DSC didn't show. However, In case of HMX, as the particle size increased, both of DSC and TGA showed increase in activation energy. Moreover, Vyazovkin's method can obtain activation energy and mechanism according to decomposition of RDX and HMX.
Keywords
RDX; HMX; Kissinger's method; Vyazovkin's method; activation energy (Ea);
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