Equation of state of 1,3,5-triamino-2,4,6-trinitrobenzene up to 66 GPa

作者: Thomas Plisson , Nicolas Pineau , Gunnar Weck , Eric Bruneton , Nicolas Guignot

DOI: 10.1063/1.4997851

关键词: TATBDiffractionvan der Waals forceThermodynamicsEquation of stateIsothermal processDensity functional theoryMaterials scienceX-ray crystallographyDetonation

摘要: The equation of state and the unit cell parameters triamino-trinitrobenzene (TATB) have been measured up to 66 GPa by x-ray diffraction on multi-grain samples. A custom indexing pattern was implemented enable an unambiguous assignment peaks. structural data reveal a more isotropic response compression above 10 GPa, indicating that van der Waals forces are no dominant interplanar interactions. compared with density functional theory calculations, including empirical D2 correction for An excellent agreement is obtained 20 GPa increasing deviation above. present determination TATB isothermal reliable detonation physics applications.

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