Short-Duration Shock Initiation of Triaminotrinitrobenzene (Tatb)

Seitz, W.L.

doi:10.1016/b978-0-444-86904-3.50120-2

Cited by 9 publications

(3 citation statements)

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“…IAA was chosen to formulate with a polymer binder for bulk composite mechanical testing. IAA was sieved to achieve a particle size distribution of 45-75 µm, chosen to resemble particle size distributions from the literature [35,36]. This IAA was formulated with Kel-F 800 binder with 95% IAA and 5% binder, as a one-to-one mock replacement for TATB in PBX 9502.…”

Section: Characterization and Processing Methodsmentioning

confidence: 99%

High-Fidelity Mock Development for the Insensitive High Explosive TATB

et al. 2022

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Due to the violent reaction potential of high explosives, in tests where a reaction is not desired, it can be safe and convenient to use an inert mock that can mimic relevant properties of the associated explosive. Use of mock materials is well-established in explosives work, but most existing mocks are generally meant to mimic only one or two properties of a given explosive, potentially failing to match the explosive in other critical ways. Recently, there has been interest in developing robust thermomechanical mocks for many common explosives. Here, eleven materials are systematically chosen and investigated as potential thermomechanical mocks for TATB, the explosive component of PBX 9502. DSC, nanoindentation, and compression testing are used to narrow down to most appropriate mocks and identify their advantages and limitations. Hardness and elastic modulus are reported for the first time for the molecular crystals iodoanthranilic acid, hexamine, melamine, and trithiolane dioxide, and the crystal structure is reported for the first time for the molecular crystals iodoanthranilic acid and iodosalicylic acid.

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Section: Characterization and Processing Methodsmentioning

confidence: 99%

High-Fidelity Mock Development for the Insensitive High Explosive TATB

et al. 2022

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“…A study by Seitz indicates that shock spreading is greatly improved in charges composed of smaller crystals [4]. In a series of experiments utilizing the Floret test, it was observed that the acceptor explosive composed of finer TATB crystals showed a significantly improved detonation spreading as compared to the coarser TATB.…”

Section: Introductionmentioning

confidence: 99%

Production of Nanocrystalline RDX by Rapid Expansion of Supercritical Solutions

Степанов

Krasnoperov

Elkina

et al. 2005

Propellants Explo Pyrotec

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Nanoscale crystals of cyclotrimethylenetrinitramine (RDX) were produced by Rapid Expansion of Supercritical Solutions (RESS). The experiments were performed by expansion of supercritical solutions of RDX in carbon dioxide through sapphire nozzles (ID: 100 and 150 mm) at pressures of 15.0 -29.5 MPa and temperatures of 343 -348 K. Recrystallized particles were characterized by Field Emission Scanning Electron Microscopy (FESEM), X-ray diffraction, HPLC and melting point analysis. The process produced particles with a mean size in the range 110 -220 nm and a narrow size distribution. The product was crystalline as determined by X-ray diffraction. The effect of process conditions (T, P, nozzle diameter) on the crystal size distribution was determined.

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“…In order to study the response of nano-TATB under high-pressure and short-duration impulses, a high-velocity flyer plate impacting on the target is essential. The electric gun, which is widely used in shock initiation of explosives [14][15][16][17][18][19][20], was utilized to accelerate the flyer in this work. The electric gun is developed by the Lawrence Livermore National Laboratory [14], which operates by electrically exploding a metal foil that accelerates a plastic flyer plate to high velocity.…”

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confidence: 99%

Shock Initiation of Nano‐TATB Explosives under Short‐Duration Pulses

Guo

Wang

Ran

et al. 2019

Propellants Explo Pyrotec

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Because of the potential of nano‐TATB as a charge in slapper detonator, the shock initiation threshold of nano‐TATB explosive was studied over short pulse durations (down to 0.017 μs) and high pressure ranges (up to 17 GPa). The pulses were produced by the impact of thin plastic flyer plates, which were accelerated by electrically exploded metal foils. Nano‐TATB powders with a mean particle size of 60 nm were prepared and pressed into cylindrical sample charges with three densities (1.56, 1.64 and 1.74 g/cm3). The flyer impact velocity data versus charging voltages was measured with different flyer thicknesses. Together with the Hugoniot relationships of flyer and samples, the impact pressures and pulse durations were calculated. By using Langlie method, the threshold pressures for shock initiation were determined. In case of the identical flyer plate, the threshold pressure increases with increasing density. In case of the identical explosive density, the threshold pressure increases as the thickness of the flyer decreases (i. e. the pulse duration decreases) except for the highest tested density. These data are represented well by a constant P2τ initiation criterion for the short, high‐pressure pulses and deviate from the P2τ behavior at lower pressures. Finally, nano‐TATB is proved to be a little more sensitive to short‐duration pulses than superfine TATB, but much more sensitive than production grade TATB.

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Short-Duration Shock Initiation of Triaminotrinitrobenzene (Tatb)

Cited by 9 publications

References 0 publications

High-Fidelity Mock Development for the Insensitive High Explosive TATB

High-Fidelity Mock Development for the Insensitive High Explosive TATB

Production of Nanocrystalline RDX by Rapid Expansion of Supercritical Solutions

Shock Initiation of Nano‐TATB Explosives under Short‐Duration Pulses

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