Abstract
The kinetics and velocity of solid-state RDX decomposition under the action of vibration were determined experimentally as functions of vibration parameters and the initial temperature of the substance. Changes in the macro- and microstructure of the crystals were studied using x-ray diffraction and x-ray phase analyses and microscopy. The change in the chemical composition after vibration was studied by IR spectroscopy. It is concluded that the mechanism and kinetics of RDX decomposition under vibration differ significantly from those of thermal decomposition. This is associated with the mechanochemical activation of potential active centers at the sites of formation and multiplication of dislocations, with the fatigue mechanism of crack initiation under cyclic loads, and with the appearance of heating spots during breakup of particles.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
K. K. Andreev,Thermal Decomposition and Combustion [in Russian], Nauka, Moscow (1966).
Yu. Ya. Maksimov, “Thermal decomposition of RDX and HMX,” in:Theory of Explosives (Collection of papers) [in Russian], Vysshaya Shkola, Moscow (1967), pp. 73–84.
B. L. Korsunskii, F. I. Dubovitskii, and E. A. Shurygin, “Decomposition reactions of nitramines,”Izv. Akad. Nauk SSSR, Ser. Khim.,9, No. 6, 1452–1459.
M. S. Belyaeva, G. K. Klimenko, and L. T. Babaitseva, “Factors responsible for the chemical stability of crystalline cyclic nitramines,” in:Chemical Physics of Combustion and Explosion. Kinetics of Chemical Reactions, Materials of an All-Union Symp. [in Russian], Joint Inst. of Chem. Phys., Chernogolovka (1977).
F. I. Dubovitskii and B. L. Korsunskii, “Kinetics of the thermal decomposition of N-nitrocompounds,”Usp. Khim.,50, No. 10, 1828–1871 (1981).
S. F. Palapoli and T. B. Brill, “Thermolysis of energetic metalnitraminato complexes under conditions that stimulate combustion,”Inorg. Chem.,27, No. 17, 2971–2976 (1988).
A. V. Utkin, G. I. Kanelś, and V. E. Fortov, “Empirical macrokinetics of the decomposition of sensitized RDX in shock and detonation waves,”Fiz. Goreniya Vzryva,25, No. 5, 115–123 (1989).
F. A. Baum, L. P. Orlenko, K. P. Stanyukovich, et al.,Physics of Explosion [in Russian], Nauka Moscow (1975).
N. P. Loginov, S. M. Muratov and N. K. Nazarov, “Initiation of explosion and kinetics of decomposition of explosives under vibration,”Fiz. Goreniya Vzryva,12, No. 3, 410–413 (1976).
N. P. Loginov, S. M. Muratov, and N. K. Nazarov, “Slow decomposition and its transition to explosion under vibration,”Fiz. Goreniya Vzryva,14, No. 5, 154–158 (1978).
American Card of X Rays ASTM, United Committee of Standards, New York (1973).
V. V. Boldyrev,Experimental Methods in the Mechanochemistry of Inorganic Solids [in Russian], Nauka, Novosibirsk (1983).
V. V. Boldyrev,Methods of Investigation of the Kinetics of the Thermal Decomposition of Solids [in Russian], Izd. Tomsk Gos. Univ., Tomsk (1958).
D. Young,Decomposition of Solids, Pergamon Press, New York etc. (1966).
G. B. Manelis,Some Problems of Elementary Chemical Reactions [in Russian], Nauka, Moscow (1973), pp. 93–106.
G. Foyer (ed.),Chemistry of Nitro and Nitrozo Groups [Russian translation], Vol. 1, Mir, Moscow (1972).
S. S. Novikov, G. A. Shvekhgeimer, V. V. Sevostśyanova, and V. A. Shlyapochnikov (eds.),Chemistry of Aliphatic and Alicyclic Compounds [in Russian], Khimiya, Moscow (1974).
V. A. Shlyapochnikov,Vibrational Spectra of Aliphatic Nitro Compounds [in Russian], Nauka, Moscow (1989).
R. I. Karpowicz and T. B. Brill, “Comparison of the molecular structure for hexahydro-1,3,5-trinitro-S-triazine in the vapour, solution, and solid phases,”J. Phys. Chem.,88, No. 3, 348–352 (1984).
Z. Jgbal, S. Bulusu, and J. R. Antera, “Vibrational spectra of β-cyclotetramethylene tetranitramine and of its isotopic isomers,”J. Chem. Phys.,60, No. 1, 221–230 (1974).
F. Goetz and T. B. Brill, “Laser Raman spectra of α-, β-, ν-, and δ-octahydro-1, 3, 5, 7-tetranitro-1, 3, 5, 7-tetrazocine and their temperature dependence,”J. Phys. Chem.,83, No. 3, 340–346 (1979).
Additional information
Samara State Technical University, Samara 443010. Translated from Fizika Goreniya i Vzryva, Vol. 33, No. 5, pp. 103–110, September–October, 1997.
Rights and permissions
About this article
Cite this article
Loginov, N.P. Structural and physicochemical changes in RDX under vibration. Combust Explos Shock Waves 33, 598–604 (1997). https://doi.org/10.1007/BF02672746
Received:
Revised:
Issue Date:
DOI: https://doi.org/10.1007/BF02672746