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Concerning the Shock Sensitivity of Cyclic Nitramines Incorporated into a Polyisobutylene Matrix
Authors: Pelikán Vojtěch | Zeman Svatopluk | Yan Qi Long | Erben Milan | Elbeih Ahmed Ikhlas Mohamed | Akstein Zbynek
Year: 2014
Type of publication: článek v odborném periodiku
Name of source: Central European Journal of Energetic Materials
Publisher name: Institut Przemyslu Organicznego
Place: Varšava
Page from-to: 219-235
Titles:
Language Name Abstract Keywords
cze O citlivosti k rázu cyklický nitraminů, zabudovaných do polyisobutylenové matice Dva typy plasty pojených trhavin (PBXs) na bázi e-2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitanu (e-HNIW, CL-20), aPBXs na bázi 1,3,5-trinitro-1,3,5-triazinanu (RDX), b-1,3,4,7-tetranitro-1,3,5,7-tetrazocanu (b-HMX) a cis-1,3,4,6-tetranitro-oktahydroimidazo- [4,5-d] imidazolu (BCHMX) byly připraveny za použití polyisobutylenového pojiva, tj. matrice C4. Jedna verze e-HNIW PBX je výrobek se sníženou citlivostí (RS-e-HNIW). Všechny tyto PBXs byly testovány za použití malého Gap testu dle STANAG 4488. Výsledky na PBXs s RDX, b-HMX a BCHMX odpovídají pádové citlivosti původních krystalických nitraminů. To úplně neplatí pro e-HNIW. Jinými slovy, PBXs s RS-e-HNIW nedosáhne tak níyké citlivosti k rázu, jak by se očekávalo z rozdílů, získaných z pádových citlivosti mezi RDX, b-HMX a BCHMX, na jedné straně, a RS-e-HNIW na straně druhé. Je ukázáno, že morfologické stabilita RS-e-HNIW v C4 matrici je nedostatečná. BCHMX; β-HMX; RDX; ε-2,4,6,8,10,12-hexanitro- 2,4,6,8,10,12-hexaazaisowurtzitan; CL-20; gap test; náraz
eng Concerning the Shock Sensitivity of Cyclic Nitramines Incorporated into a Polyisobutylene Matrix Two types of plastic bonded explosives (PBXs) based on e-2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (e-HNIW, CL-20), and PBXs based on 1,3,5-trinitro-1,3,5-triazinane (RDX), b-1,3,4,7-tetranitro-1,3,5,7-tetrazocane (b-HMX) and cis-1,3,4,6-tetranitro-octahydroimidazo-[4,5-d]imidazole (bicyclo-HMX, BCHMX) were prepd. using a polyisobutylene binder, i.e. a C4 matrix. One version of the e-HNIW PBX is a product with reduced sensitivity (RS-e-HNIW). All these PBXs were tested using the Small Scale Gap Test according to STANAG 4488. The results on the PBXs with RDX, b-HMX and BCHMX correspond to the impact sensitivities of the original cryst. nitramines. This is not entirely valid for e-HNIW. In other words, PBXs with RS-e-HNIW cannot achieve as low a shock sensitivity as would be expected from the differences obtained from the impact sensitivities between RDX, b-HMX and BCHMX, on the one hand, and RS-e-HNIW on the other. It is shown that the morphological stability of RS-e-HNIW in the C4 matrix is insufficient. BCHMX; beta-HMX; RDX; epsilon-2;4;6;8;10;12-hexanitro-2;4;6;8;10;12-hexaazaisowurtzitane; CL-20; gap test; impact

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