CHINESE JOURNAL OF ENERGETIC MATERIALS
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Flash Lamps as Ignition and Initiation Sources of the VS-2 Pyrotechnic Composition
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Affiliation:

1.Russian Federal Nuclear Center - All-Russian Research Institute of Experimental Physics, Sarov, Russia;2.Sarov Institute of Physics and Technology is a Branch of the Scientific Research Nuclear University MEPhI, Sarov, Russia;3.Nizhny Novgorod State Technical University Named after R.E. Alekseev, Nizhny Novgorod, Russia;4.RAS Institute for Studying Problems in Mechanical Engineering, - is a Branch of the RAS Applied Physics Institute, Nizhny Novgorod, Russia;5.Technologist;6.Saint-Petersburg State Institute of Technology (Technical University), St. Petersburg, Russia;7.Russian State Hydro-meteorological University, St. Petersburg, Russia

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    Abstract:

    In the present work it is found that the pyrotechnic composition VS-2 can be initiated with flash lamps IFC-500 and EVIS. VS-2 pyrotechnic composition contains 90% of mercury(Ⅱ) 5-hydrazinotetrazolate perchlorate and 10% of optically transparent copolymer of 2-methyl-5-vinyltetrazole and methacrylic acid (PVMT). We have found that the flash lamps make it possible to initiate combustion of VS-2 composition with its transition to detonation both in cylindrical charges placed in brass caps of 5 mm diameter and 2 mm high, and film charges with 10 mm×80 mm in size and surface weights of 60 mg·cm-2 and 90 mg·cm-2, showing ignition delay times 10 μs and 3 μs, respectively. We also measured detonation velocities for VS-2 composition film charges, which were 4375-4505 m·s-1 (of the charge being surface mass 60 mg·cm-2) and 4221-4281 m·s-1 (of the charge being surface mass 90 mg·cm-2) and their blasting action on the aluminum plate. The depths of the normal shock wave imprints at the charge-barrier interface were 0.6-0.7 mm (for surface mass of the film charges 60 mg·cm-2) and 1.2-1.3 mm (for surface mass of the film charges 90 mg·cm-2).

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Gerasimov Sergey I.,Ilyushin Mikhail A.,Putis Sergey M.,等. Flash Lamps as Ignition and Initiation Sources of the VS-2 Pyrotechnic Composition[J].含能材料,2022,30(4):370-378.
Gerasimov Sergey I.,Ilyushin Mikhail A.,Putis Sergey M.,et al. Flash Lamps as Ignition and Initiation Sources of the VS-2 Pyrotechnic Composition[J]. Chinese Journal of Energetic Materials,2022,30(4):370-378.

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History
  • Received:December 06,2021
  • Revised:March 09,2022
  • Adopted:March 04,2022
  • Online: March 10,2022
  • Published: April 25,2022