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In this study, the irreversible expansion of TATB cylinder is investigated. No evident variation of the lattice parameters is observed on TATB crystal. The density of TATB powder decreases by only about 0.02% after it suffered from thermal cycling process at the range from -54 C to 74 C, while the density of TATB cylinder decreases by about 1.0%. It is suggested that the density variation of TATB powder has little contribution to the density decrease of TATB cylinder. Therefore, the increasing interstices between TATB powder originated from the thermal cycling should be responsible to the irreversible expansion of TATB cylinder.
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Tom
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69--79
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Bibliogr. 21 poz.
Bibliografia
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- [8] Zhang C.Y., Shu Y.J., Zhao X.D., DFT Study on Non Reversible Expansion of TATB crystal, Proceedings of Sino-Russia Seminar on New Progress in Energetic Materials, 2004, pp. 245-247.
- [9] Gee R.H., Roszak S.M., Fried L.E., Theoretical Studies of Interactions Between TATB Molecules and the Origins of Anisotropic Thermal Expansion and Growth, UCRL-JC-148607, 2002.
- [10] Gee R.H., Maiti A., Fried L.E., Mesosacle Modeling of Irreversible Volume Growth in Powders of Anisotropic Crystals, Appl. Phys. Lett., 2007, 90 , 254105-3.
- [11] Gee R.H., Roszak S., Balasubramanian K., Ab Initio Based Force Field and Molecular Dynamics Simulations of Crystalline TATB, J. Chem. Phys., 2004, 120, 7059-7066.
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- [13] Roszak S., Gee R.H., Balasubramanian K., Fried Laurence E., Molecular Interactions of TATB Clusters, Chem. Phys. Lett., 2003, 374, 286-296.
- [14] Maiti A., Gee R.H., Hoffman D.M., Fried L.E., Irreversible Volume Growth In Polymer-Bonded Powder Systems: Effects of Crystalline Anisotropy, Particle Size Distribution, and Binder Strength, J. Appl. Phys., 2008, 103, 053504.
- [15] Rizzo H.F., Humphrey J.R., Kolb J.R., Growth of 1,3,5-Triamino-2,4,6-trinitrobenzene (TATB) II: Control of Growth by Use of High Tg Polymeric Binders, Propellants, Explos., 1981, 6, 57-62.
- [16] Willey T.M., Hoffman D.M., van Buuren T., Lauderbach L., Gee R.H., Maiti A., Overturf G.E., Fried L.E., Ilavsky J., The Microstructure of TATB-Based Explosive Formulations During Temperature Cycling Using Ultra-Small-Angle X-Ray Scattering, Propellants, Explos., Pyrotech., 2009, 34, 406414.
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- [18] Willey T. M., Tony V. B., Changes in Pore Size Distribution Upon Thermal Cycling of TATB-Based Explosives Measured by Ultra-Small Angle X-Ray Scattering,Propellants, Explos. Pyrotech., 2006, 31, 466-471.
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Bibliografia
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bwmeta1.element.baztech-article-BAT6-0014-0018