Shock Initiation of Energetic Materials at Different Initial Temperatures

Urtiew, P A; Tarver, C M

doi:10.1007/s10573-005-0085-0

Shock Initiation of Energetic Materials at Different Initial Temperatures

Journal Article · Fri Jan 14 04:00:00 EST 2005 · Combustion, Explosions, and Shock Waves

DOI:https://doi.org/10.1007/s10573-005-0085-0· OSTI ID:883816

Urtiew, P A; Tarver, C M

Shock initiation is one of the most important properties of energetic materials, which must transition to detonation exactly as intended when intentionally shocked and not detonate when accidentally shocked. The development of manganin pressure gauges that are placed inside the explosive charge and record the buildup of pressure upon shock impact has greatly increased the knowledge of these reactive flows. This experimental data, together with similar data from electromagnetic particle velocity gauges, has allowed us to formulate the Ignition and Growth model of shock initiation and detonation in hydrodynamic computer codes for predictions of shock initiation scenarios that cannot be tested experimentally. An important problem in shock initiation of solid explosives is the change in sensitivity that occurs upon heating (or cooling). Experimental manganin pressure gauge records and the corresponding Ignition and Growth model calculations are presented for two solid explosives, LX-17 (92.5 % triaminotrinitrobenzene (TATB) with 7.5 % Kel-F binder) and LX-04 (85 % octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazine (HMX) with 15 % Viton binder) at several initial temperatures.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA

Sponsoring Organization:: USDOE

DOE Contract Number:: W-7405-ENG-48

OSTI ID:: 883816

Report Number(s):: UCRL-JRNL-209079

Journal Information:: Combustion, Explosions, and Shock Waves, Journal Name: Combustion, Explosions, and Shock Waves Journal Issue: 6 Vol. 41

Country of Publication:: United States

Language:: English

References (15)

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
BUILDUP
COMPUTER CODES
EXPLOSIONS
EXPLOSIVES
HEATING
HYDRODYNAMICS
IGNITION
KEL-F
MANGANIN
SENSITIVITY
TATB
VELOCITY
VITON

Shock Initiation of Energetic Materials at Different Initial Temperatures

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