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690 Newest Publications in propellants, explosives, pyrotechnics

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Crystal Structure, Thermal Behavior and Detonation Characterization of Bis(3,3‐dinitroazetidin‐1‐yl)methane

13-Jun-2017 | Biao Yan, Hongya Li, Yulei Guan, Haixia Ma, Jirong Song, Fengqi Zhao, Propellants, Explosives, Pyrotechnics, 2017

Abstract Bis(3,3‐dinitroazetidin‐1‐yl)methane (BDNAZM) was synthesized and the crystal structure was determined by a X‐ray diffraction. It belongs to monoclinic system with space group P21/n. Its thermal behavior and non‐isothermal decomposition kinetics were studied with DSC and TG/DTG ...

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Synthesis and Characterization of Poly(glycidyl nitrate‐block‐caprolactone‐block‐glycidyl nitrate) (PGN‐PCL‐PGN) Tri‐block Copolymer as a Novel Energetic Binder

08-Jun-2017 | Fatemeh Abrishami, Narges Zohari, Vida Zeynali, Propellants, Explosives, Pyrotechnics, 2017

Abstract An energetic binder was synthesized through ring opening copolymerization of glycidyl nitrate (GLYN) with polycaprolactone (PCL) as a macroinitiator to form tri‐block copolymer PGN‐PCL‐PGN. Effect of monomer concentration, catalyst, reaction time and solvent was investigated in ...

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Preparation, Characterization, Thermal Evaluation and Sensitivities of TKX‐50/GO Composite

08-Jun-2017 | Junfeng Wang, Shusen Chen, Qiang Yao, Shaohua Jin, Siwei Zhao, Zhenfei Yu, Jinxin Li, Qinghai Shu, Propellants, Explosives, Pyrotechnics, 2017

Abstract TKX‐50/GO composite was prepared and characterized. The results suggested that the morphology of TKX‐50 was improved from tabular crystal to polyhedron after coating with GO. The thermal stability of TKX‐50/GO composite was essentially unchanged. Both impact sensitivity and friction ...

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Analysis for Decomposition Characteristics and Piecewise Thermokinetics of Nitramine Modified Double‐base Propellant with High Solid Content

08-Jun-2017 | Xiaojuan Wu, Guoning Rao, Liping Chen, Wanghua Chen, Jiangning Wang, Caixing Zhang, Propellants, Explosives, Pyrotechnics, 2017

Abstract The thermal stability and decomposition characteristic of nitramine modified double‐base propellant (RDX‐CMDB propellant) with high solid content and its components were investigated under dynamic and isothermal conditions by differential scanning calorimetry (DSC). It was found that ...

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Characterization of Gun Propellants by Long‐term Mass Loss Measurements

08-Jun-2017 | Moritz Heil, Kerstin Wimmer, Manfred A. Bohn, Propellants, Explosives, Pyrotechnics, 2017

Abstract Three different gun propellants (A5020, JA‐2 or L5460, NK1074) have been investigated up to 35 years by mass loss at isothermal temperatures between 30 °C and 90 °C. From these data, activation energies for the different reactions of zero order (mass loss increase up to stabilizer ...

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Investigation of Energetic Particle Distribution from High‐Order Detonations of Munitions

08-Jun-2017 | Michael R. Walsh, Tracey Temple, Matthew F. Bigl, Seipati F. Tshabalala, Nathalie Mai, Melissa Ladyman, Propellants, Explosives, Pyrotechnics, 2017

Abstract Military training with munitions containing explosives will result in the deposition of energetic materials on ranges. These residues contain compounds that may result in human health impacts when off‐range migration occurs. Models exist that predict the spatial and mass distribution ...

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Aging of Standard and Insensitive RDX Crystals investigated by means of X‐ray Diffraction

07-Jun-2017 | Michael Herrmann, Ulrich Förter‐Barth, Manfred A. Bohn, Lionel Borne, Propellants, Explosives, Pyrotechnics, 2017

Abstract Coarse particles of the high explosive RDX in different qualities (S‐RDX, I‐RDX, VI‐RDX) were aged artificially in air and argon, equivalent up to 25 years at 25 °C. The samples were investigated by means of X‐ray diffraction and rocking curves, revealing the behavior of microstrain ...

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Trinitrotoluene Nanostructuring by Spray Flash Evaporation Process

07-Jun-2017 | A. Sève, V. Pichot, F. Schnell, D. Spitzer, Propellants, Explosives, Pyrotechnics, 2017

Abstract A lot of studies aim to decrease the size of particles to the nanoscale, leading the material to a modification of its intrinsic properties. Here, we show the possibility to synthesize nanoscaled 2,4,6‐trinitrotoluene (TNT) using the Spray Flash Evaporation process. The ...

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Controlled Substrate Destruction using Nanothermite

01-Jun-2017 | Trevor J. Fleck, Raghav Ramachandran, Allison K. Murray, Whitney A. Novotny, George T.‐C. Chiu, I. Emre Gunduz, Stev ..., Propellants, Explosives, Pyrotechnics, 2017

Abstract The experiments described in this paper look to further transient electronic device development by exploring the fracturing capabilities of aluminum copper (II) oxide and aluminum bismuth (III) oxide nanothermites. In particular, a quick, inexpensive test was developed that was able ...

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Semi‐closed Investigations of New Aluminized Thermobaric and Enhanced Blast Composites

01-Jun-2017 | Lotfi Maiz, Waldemar A. Trzciński, Józef Paszula, Propellants, Explosives, Pyrotechnics, 2017

Abstract The investigations of new aluminum‐enriched RDX‐based composites belonging to the thermobaric and enhanced blast explosive formulations were undertaken. In a semi‐closed bunker, the blast wave and the thermal characteristics of pressed and layered charges made from the composites are ...

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