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Thermal Stability and Detonation Characteristics of Pressed and Elastic Explosives on the Basis of Selected Cyclic Nitramines (CROSBI ID 171006)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Elbeih, Ahmed ; Pachmáň, Jiří ; Zeman, Svatopluk ; Trzciński, Waldemar A. ; Akštein, Zbyněk ; Sućeska, Muhamed Thermal Stability and Detonation Characteristics of Pressed and Elastic Explosives on the Basis of Selected Cyclic Nitramines // Central European journal of energetic materials, 7 (2010), 3; 115-129

Podaci o odgovornosti

Elbeih, Ahmed ; Pachmáň, Jiří ; Zeman, Svatopluk ; Trzciński, Waldemar A. ; Akštein, Zbyněk ; Sućeska, Muhamed

engleski

Thermal Stability and Detonation Characteristics of Pressed and Elastic Explosives on the Basis of Selected Cyclic Nitramines

Bicyclo-HMX (cis-1, 3, 4, 6-tetranitro- octahydroimidazo-[4, 5-d] imidazole or BCHMX) was studied as a plastic explosive bonded with the C4 matrix and with Viton A. Also a series of nitramines namely RDX (1, 3, 5-trinitro- 1, 3, 5-triazinane), HMX (1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazocane) and HNIW (ε-2, 4, 6, 8, 10, 12-hexanitro-2, 4, 6, 8, 10, 12-hexaazaisowurtzitane, ε-CL-20) were studied for comparison with the same types of binders. The detonation velocity, D, of all prepared mixtures was measured. Their thermal stability was determined using non-isothermal differential thermal analysis (DTA). While the C4 matrix lowers the thermal stability of the resulting explosives, Viton A enhances this stability. Approximate relationships between the peaks of exothermic decomposition and the D values were found. The detonation parameters were also calculated by means of Kamlet & Jacobs method, CHEETAH and improved EXPLO5 code for all the mixtures. From the measured D values and the calculated detonation parameters, it is obvious that the detonation parameters of BCHMX-mixtures are very close to HMX-explosives and better than those of RDX- mixtures. It was found that the C4 matrix reduces the difference between the values of energy of detonation in the studied C4 mixtures. As expected, the pressed HNIW-Viton A mixture has the highest detonation parameters of all of the prepared mixtures.

detonation ; C4 matrix ; BCHMX ; HMX ; HNIW ; RDX ; stability ; Viton

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Podaci o izdanju

7 (3)

2010.

115-129

objavljeno

1733-7178

2353-1843

Povezanost rada

Kemija, Kemijsko inženjerstvo