Compatibility study of erythritol tetranitrate with some energetic materials

The compatibility of erythritol tetranitrate (ETN) with RDX, CL-20, PETN, TNT, HMX, Picric acid was studied by differential scanning calorimetry (DSC). Two methods for judging the compatibility level of ETN and conventional explosives are introduced. One method is using the decomposition temperature...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2023-02, Vol.148 (3), p.711-719
Main Authors: lv, Meifang, Qian, Hua, Dong, Zhen, Ye, Zhiwen
Format: Article
Language:English
Subjects:
Activation energy
Analytical Chemistry
Calorimetry
Chemistry
Chemistry and Materials Science
Compatibility
Energetic materials
Erythritol
Explosives
Heating rate
HMX
Inorganic Chemistry
Measurement Science and Instrumentation
PETN
Physical Chemistry
Polymer Sciences
RDX
Thermal decomposition
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Summary:The compatibility of erythritol tetranitrate (ETN) with RDX, CL-20, PETN, TNT, HMX, Picric acid was studied by differential scanning calorimetry (DSC). Two methods for judging the compatibility level of ETN and conventional explosives are introduced. One method is using the decomposition temperature ( T p ) and apparent activation energy ( E o ) of the thermal decomposition curve at the heating rate, the compatibility levels of the two explosives can be obtained. The results show that ETN with RDX have good compatibility, level 1; ETN with HMX, CL-20 are fair compatibility, level 2; ETN with PETN, TNT and Picric acid are poor compatibility, level 3. Another method is when apparent activation energy ( E o ) is not added, the compatibility levels are different when just used the decomposition temperature ( T p ).
ISSN:1388-6150
1588-2926
DOI:10.1007/s10973-022-11763-0