Influence of aluminum on the characteristics of detonating emulsion explosives

RDX/Al/wax explosives (RDX = cyclotrimethylenetrinitramine; (O2NNCH2)3) were studied in experiments designed to elucidate the effects of Al content and the surrounding medium on the energy output of aluminized explosives. Explosives with Al contents of 0%, 15%, and 30% were compared in water and concrete media. Results indicate that the explosive's bubble energy in water is higher (by 66%–90%) than the expansion energy in concrete. Heat, sound, and other energies in water (0.28–0.84 MJ kg–1) were much lower than that in concrete (1.49–2.81 MJ kg–1). For shock wave energy, the different media have much less impact on shock wave energy, with that in water being only 0.7%–7% higher than in concrete. The test data presented in this paper improve our understanding of how Al and the surrounding medium contribute to the energy output of the explosive, which is of great significance for improving the energy utilization efficiency of aluminized explosives in water and concrete.

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Effect of aluminium additives on selected detonation parameters of a bulk emulsion explosive

Kramarczyk

Pytlik

Mertuszka

2020

Mater. Wysokoenerg. (High Energy Mater.)

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The article presents an assessment of the influence of aluminium granules content on selected detonation parameters of a chemically sensitised bulk emulsion explosive. The analysis covered determination of relative explosive strength using a ballistic mortar and Trauzl blocks, free field air blast tests and detonation velocity measurements. Five types of emulsion explosives with differing aluminium content were tested at loadings of 0, 1, 3, 5 and 7%.

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Influence of aluminum on the characteristics of detonating emulsion explosives

Cited by 3 publications

References 8 publications

Long-term storage for reanalysis purposes: A stability study of extracts from post-explosion/burning residues of fuel-oxidizer explosive mixtures

Long-term storage for reanalysis purposes: A stability study of extracts from post-explosion/burning residues of fuel-oxidizer explosive mixtures

Influence of Al content and surrounding medium on the energy output of cyclotrimethylenetrinitramine (RDX)/Al/wax explosives

Effect of aluminium additives on selected detonation parameters of a bulk emulsion explosive

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