Combustion of Energetic Systems Based on HMX and Aluminum: Infuence of Particle Size and Mixing Technology

• Autorzy: Muravyev N. , Frolov Y. , Pivkina A. , Monogarov K. , Ivanov D. , Meerov D. , Fomenkov I.
• Języki publikacji: EN

Abstrakty

EN

In this work the complex experimental investigation of the microstructure and burning parameters of HMX-monopropellant and 25%Al/75%HMX energetic systems was carried on with the particle size variation. Components, their mixtures, pressed samples, and the combustion products (agglomerates) collected from a burning surface by QPCB (quench particle collection bomb) technique were investigated. Two types of HMX particles: micro-sized (mHMX) and ultrafne (uHMX) and aluminium powders: micro- and ultra-sized (ALEXTM) were used. Morphology and particle size were examined by atomic-force microscopy (AFM), scanning electron microscopy (SEM) and BET-analysis. AFM analysis shows the ALEXTM average volume particle size is 180 nm. It was shown, that the monopropellant's burning rates of the micro- and ultra-sized HMX are almost identical in the pressure range 20-100 atm. Two mixing technologies to prepare Al/HMX compositions were used: (i) conventional "dry" mixing and (ii) "wet" technique with ultrasonic processing in diethyl ether. Applying of ultrasonic technique results in a burning rate increase up to 18% comparing to "dry" mixing (under pressure 60 atm). The highest combustion rate was determined for composition of mHMX/ALEXTM (porosity 13%). Infuence of component N. Muravyev et al. size and composition's microstructure on the burning rate of energetic systems is discussed and analyzed.

Słowa kluczowe

EN

energetic systems; burning rate; HMX; aluminium

• Wydawca: Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
• Czasopismo: Central European Journal of Energetic Materials
• Rocznik: 2009
• Tom: Vol. 6, nr 2
• Strony: 195--210
• Opis fizyczny: Bibliogr. 21 poz.

Twórcy

autor

Muravyev N.

autor

Frolov Y.

autor

Pivkina A.

autor

Monogarov K.

autor

Ivanov D.

autor

Meerov D.

autor

Fomenkov I.

• Semenov Institute of Chemical Physics, Russian Academy of Science, 4 Kosygin St., 119991 Moscow, Russia

Bibliografia

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