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http://dx.doi.org/10.14478/ace.2018.1119

Preparation of Quaternary Energetic Composites by Crystallization and Their Thermal Decomposition Characteristics  

Kim, Byoung-Soo (Department of Chemical and Biomolecular Engineering, Sogang University)
Kim, Jae-Kyeong (Department of Chemical and Biomolecular Engineering, Sogang University)
Ahn, Ik-Sung (Department of Chemical and Biomolecular Engineering, Yonsei University)
Kim, Hyoun-Soo (Agency for Defense Development)
Koo, Kee-Kahb (Department of Chemical and Biomolecular Engineering, Sogang University)
Publication Information
Applied Chemistry for Engineering / v.30, no.2, 2019 , pp. 178-185 More about this Journal
Abstract
Three spherical quaternary composites composed of metal/metal oxide/high explosive/oxidizer were prepared by a crystallization/agglomeration process. From the characteristics of composites by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC), the shortening of the decomposition zone of high explosives in the quaternary composite was observed, which may be attributed to the autocatalytic reaction caused by $ClO_2$ or HCl which are ammonium perchlorate (AP) degradation products. The activation energy analysis showed that the activation energy abruptly decreases at the end of the decomposition zone of high explosives, and it was considered to be caused by $HNO_2$ which is common in decomposition products of high explosives. The activation energy predicted from complex pyrolysis results by the distributed activation energy model (DAEM) showed much better in accuracy than those by model-fitting methods such as Kissinger-Akahira-Sunose and Flynn-Wall-Ozawa models.
Keywords
Ammonium perchlorate; Drowning-out; Thermal decomposition;
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Times Cited By KSCI : 1  (Citation Analysis)
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