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Explosive Properties of a High Explosive Composition Based on cis-1,3,4,6-Tetranitrooctahydroimidazo-[4,5-d]imidazole and 1,1-Diamino-2,2-dinitroethene
Authors: Hussein Ahmed Khaled Mohamed | Elbeih Ahmed Ikhlas Mohamed | Jungová Marcela | Zeman Svatopluk
Year: 2018
Type of publication: článek v odborném periodiku
Name of source: Propellants Explosives Pyrotechnics
Page from-to: 472-478
Titles:
Language Name Abstract Keywords
cze Výbušinářské vlastnosti brizantní kompozice na bázi cis-1, 3, 4, 6-etranitrooctahydroimidazo-[4,5-d] imidazol a 1,1-di-amino-2, 2-dinitroethenu (BCHMX/FOX-7) Je studována příprava a charakterizace plastem pojené trhaviny (PBX) na basi směsi ze cis-1,3,4,6 - tetranitrooctahydroimidazo-[4,5-d] imidazolu (BCHMX) a 1,1-diamino-2,2-dinitroethenu (DADNE nebo FOX-7) kde plastem je poly-dimethylsiloxan (PDMS). Pádové a třecí citlivost byly stanoveny. Detonační rychlost byla změřena a výbuchové charakteristiky byly vypočteny pomocí termodynamické kódu EXPLO 5. Relativní pracovní schopnost byla stanovena pomocí balistického moždíře. Pro porovnání byly použity krystalické cyklický nitraminy, RDX (1,3,5-trinitro-1,3,5-triazinanem), beta-HMX (beta-1,3,5,7-tetranitro-1,3,5,7-tetrazocanem), BCHMX a epsilon-CL20 (epsilon-2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitanem, epsilon-HNIW), včetně jejich PBXs s PDMS jako pojivem. I parametry tradiční české plastické výbušniny Semtex 10 a egyptské plastická výbušnina EPX-1 byly součástí studie. Výsledky potvrdily, že BCHMX/FOX7-Sil má nejnižší pádovou a třecí citlivost ze všech studovaných vzorků a jeho detonační rychlosti a tlak jsou vyšší, jako u Semtexu 10. BCHMX; FOX-7; nitraminy; citlivost; detonační charakteristiky
eng Explosive Properties of a High Explosive Composition Based on cis-1,3,4,6-Tetranitrooctahydroimidazo-[4,5-d]imidazole and 1,1-Diamino-2,2-dinitroethene In this work, preparation and characterization of a plastic bonded explosive (PBX) based on a mixture of cis-1,3,4,6-tetranitrooctahydroimidazo-[4,5-d]imidazole (BCHMX) and 1,1-diamino-2,2-dinitroethene (DADNE orFOX-7) bonded by poly-dimethyl siloxane binder (PDMS) were investigated. Impact and friction sensitivities were determined. Detonation velocity was measured and the detonation characteristics were determined by the EXPLO 5 thermodynamic code. Relative explosive strength was determined using the ballistic mortar test. For comparison, four individual cyclic nitramines, RDX (1,3,5-trinitro-1,3,5-triazinane), beta-HMX (beta-1,3,5,7-tetranitro-1,3,5,7-tetrazocane), BCHMX and epsilon-CL20 (epsilon-2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane, epsilon-HNIW) in addition to their PBXs bonded by the same polymeric matrix were studied. Also traditional plastic explosives such as Czech plastic explosive (SEMTEX 10) and Egyptian Plastic Explosive (EPX-1) were included in the study. The results confirmed that BCHMX/FOX7-Sil has the lowest impact and friction sensitivity of all the studied samples and its detonation velocity and pressure are higher than the traditional PETN plastic explosives BCHMX; FOX-7; nitramines; sensitivity; detonation characteristics

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