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599 Newest Publications in propellants, explosives, pyrotechnics

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Packing Configurations of PBX‐9501 Cylinders to Reduce the Probability of a Deflagration to Detonation Transition (DDT)

04-Aug-2016 | Jacqueline Beckvermit, Todd Harman, Charles Wight, Martin Berzins, Propellants, Explosives, Pyrotechnics, 2016

Abstract The detonation of hundreds of explosive devices from either a transportation or storage accident is an extremely dangerous event. This paper focuses on identifying ways of packing/storing arrays of explosive cylinders that will reduce the probability of a Deflagration to Detonation ...

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Potential Energetic Plasticizers on the Basis of 2,2‐Dinitropropane‐1,3‐diol and 2,2‐Bis(azidomethyl)propane‐1,3‐diol

03-Aug-2016 | Sven Hafner, Vera A. Hartdegen, Maximilian S. Hofmayer, Thomas M. Klapötke, Propellants, Explosives, Pyrotechnics, 2016

Abstract Different carboxylic acid derivatives of 2,2‐dinitropropane‐1,3‐diol (DNPD) and 2,2‐bis(azidomethyl)propane‐1,3‐diol (BAMP) were synthesized to investigate their suitability as energetic plasticizers. The syntheses were carried out using acyl chlorides of acetic, propionic, and ...

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Bioinspired Fabrication of Insensitive HMX Particles with Polydopamine Coating

28-Jul-2016 | Qing Zhu, Chun Xiao, Shangbin Li, Guan Luo, Propellants, Explosives, Pyrotechnics, 2016

Abstract The development of a facile method for large scale production of insensitive HMX particles is of great importance for energetic materials, especially for insensitive munitions. Inspired by mussels, HMX particles with a thin, robust, wettable and uniform coating based on the ...

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Sensitiveness of Porous Silicon‐Based Nano‐Energetic Films

28-Jul-2016 | Andrew Plummer, Valerian A. Kuznetsov, Jason Gascooke, Joe Shapter, Nicolas H. Voelcker, Propellants, Explosives, Pyrotechnics, 2016

Abstract Nanoporous silicon (pSi) films on a silicon wafer were loaded with sodium perchlorate and perfluoropolyether (PFPE) oxidizing agents. Sensitiveness to impact, friction and electrostatic discharge (ESD) of the resulting energetic thin films were investigated. It was observed that pSi ...

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Sensitivity and Detonation Characteristics of Selected Nitramines Bonded by Sylgard Binder

28-Jul-2016 | Ahmed Elbeih, Mohamed Mokhtar Mohamed, Tamer Wafy, Propellants, Explosives, Pyrotechnics, 2016

Abstract Four plastic explosives based on cyclic nitramines and polymeric matrix were prepared and studied. The nitramines were RDX (1,3,5‐trinitro‐1,3,5‐triazinane), HMX (1,3,5,7‐tetranitro‐1,3,5,7‐tetrazocane), BCHMX (cis‐1,3,4,6‐tetranitro‐octahydroimidazo‐[4,5‐d]imidazole), and ϵ‐CL20 ...

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High Safety and Reliability Electric Detonator

22-Jul-2016 | Eric Fousson, Auguste Ritter, Thomas Arnold, Propellants, Explosives, Pyrotechnics, 2016

Abstract The entry into force of the REACH regulation implies a modification of the low‐cost detonators manufacturing by finding new substances to replace common primary explosives that contain restricted chemicals. Herein, an alternative solution with a two‐stage electric detonator that ...

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Hypergolic Behavior of Pyridinium Salts Containing Cyanoborohydride and Dicyanamide Anions with Oxidizer RFNA

22-Jul-2016 | Vikas K. Bhosale, Prashant S. Kulkarni, Propellants, Explosives, Pyrotechnics, 2016

Abstract A series of low‐cost, pyridinium cation‐based hypergolic ionic liquids (HIL) containing amine, butyl, or allyl substituents with cyanoborohydride [BH3CN]− and dicyanamide [DCA]− anions were developed and characterized. The investigated physicochemical properties include melting and ...

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Numerical Simulation and Experimental Tests on Explosively‐Induced Water Jet Phenomena

22-Jul-2016 | Constantin Enache, Eugen Trană, Traian Rotariu, Adrian Rotariu, Viorel Tudor Ţigănescu, Teodora Zecheru, Propellants, Explosives, Pyrotechnics, 2016

Abstract This study addresses some aspects regarding water jet propulsion during high explosives detonation. A number of theoretical and experimental studies have shown that using Gurney equation and the relationships derived, one can provide fair results regarding initial velocity of metallic ...

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Mn+Sb2O3 Thermite/Intermetallic Delay Compositions

22-Jul-2016 | Yolandi C. Montgomery, Walter W. Focke, Maria Atanasova, Olinto Del Fabbro, Cheryl Kelly, Propellants, Explosives, Pyrotechnics, 2016

Abstract The binary Mn+Sb2O3 pyrotechnic composition was investigated for mining detonator time delay applications. EKVI thermodynamic modelling predicted two maxima in the adiabatic reaction temperature. The local maximum, at a manganese fuel content of ca. 36 wt‐%, corresponds to a pure ...

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Empirical Kinetics Equation of the Synthesis of NTO in Nitric Acid

22-Jul-2016 | Yun Zhao, Shusen Chen, Shaohua Jin, Lijie Li, Xiaoyan Dong, Ruoting Xing, Zhiyan Lu, Qiaoe Liu, Wei Li, Bo Zhang, Propellants, Explosives, Pyrotechnics, 2016

Abstract The influence of concentration of reactants (HNO3 and TO) and reaction temperature on the rate of synthesis of NTO from TO in nitric acid solution was investigated by using an experimental kinetics model. An exponential kinetic equation was established by nitration of TO in ...

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