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718 Newest Publications in propellants, explosives, pyrotechnics

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3,3‐Bis(azidomethyl)oxetane (BAMO) Synthesis via Pentaerythritol Tosyl Derivates

11-Aug-2017 | Paweł Maksimowski, Anna B. Kasztankiewicz, Wioleta Kopacz, Propellants, Explosives, Pyrotechnics, 2017

Abstract 3,3‐Bis(azidomethyl)oxetane (BAMO) is the most widely known azido oxetane in terms of the number of its polymers and copolymers applied as energetic binders e.g. in rocket propellants and plastic formulations of explosive materials. However, this compound continues to be a rather ...

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Preparation and Characterization of Nanoenergetics Based Composition B

10-Aug-2017 | Hongwei Qiu, Victor Stepanov, Rajen B. Patel, Philip Samuels, Katherine H. Maier, Propellants, Explosives, Pyrotechnics, 2017

Abstract Explosive compositions employing nanoscale crystals of high explosives (i. e., nanoenergetics) have demonstrated reduced sensitivities to external stimuli. Until recently, the investigated formulations were limited to plastic bonded explosives. Explosives that are normally melt‐cast ...

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A Novel Class of Nitrogen‐rich Explosives Containing High Oxygen Balance to Use as High Performance Oxidizers in Solid Propellants

10-Aug-2017 | Mohammad Hossein Keshavarz, Yasin Hayat Abadi, Karim Esmaeilpour, Sajjad Damiri, Mohsen Oftadeh, Propellants, Explosives, Pyrotechnics, 2017

Abstract In this study, density functional theory (DFT) calculations and the best available reliable predictive methods are used to assess performance, thermodynamics, physical and sensitivity of several high nitrogen content energetic tetrazole derivatives. Detonation pressure and velocity of ...

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Detonation Performance Characterization of a Novel CL‐20 Cocrystal Using Microwave Interferometry

07-Aug-2017 | Vasant S. Vuppuluri, Philip J. Samuels, Kelley C. Caflin, I. Emre Gunduz, Steven F. Son, Propellants, Explosives, Pyrotechnics, 2017

Abstract Development of novel energetic materials is a significant challenge. Cocrystallization has been explored as another route to development of novel materials. However, very little characterization of detonation performance has been performed for these energetic cocrystals. A major ...

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Reexamination of an Energetic Nitrate Ester SHN

02-Aug-2017 | Pavel S. Gribanov, Maxim A. Topchiy, Ivan V. Fedyanin, Andrey F. Asachenko, Mikhail S. Nechaev, Dmitriy V. Pleshakov, Propellants, Explosives, Pyrotechnics, 2017

Abstract A well‐known energetic nitrate ester sorbitol hexanitrate (SHN) was synthesized and characterized. SHN was shown to exhibit the highest density at ambient temperature among all known nitrate esters synthesized from simple polyols. SHN was compared with conventional ...

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A Simple Theoretical Method for Determining the Sensitivity of Bare Explosives to Detonation by Projectile Impact

02-Aug-2017 | Peter R. Lee, Propellants, Explosives, Pyrotechnics, 2017

Abstract The Walker‐Wasley Critical Initiation Energy, Ec, cited by several authors as a means of comparing the sensitivity of explosives to projectile impact, is imprecise. Moreover, energy is not a necessary and sufficient condition upon which to compare sensitivities, since it might be ...

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A Groundbreaking Stepwise Protocol to Prepare HMX from DPT: New Mechanism Hypothesis and Corresponding Process Study

31-Jul-2017 | Yu Zhang, Po Zou, Jun Luo, Propellants, Explosives, Pyrotechnics, 2017

Abstract 1,3,5,7‐Tetranitro‐1,3,5,7‐tetraazacyclooctane(HMX) is one of the most powerful and widely used explosives. 3,7‐Dinitro‐1,3,5,7‐tetraazabicyclo[3.3.1] (DPT) is an important precursor in the production of HMX. A new reaction mechanism including nitrolysis, nitrosolysis and nitrolysis ...

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Experimental Study on Dynamic Combustion Characteristics of Aluminum Particles

27-Jul-2017 | Yunan Zhou, Jianzhong Liu, Jianru Wang, Tuanwei Xv, Jiahao Wang, Junhu Zhou, Kefa Cen, Propellants, Explosives, Pyrotechnics, 2017

Abstract Studying the combustion characteristics and properties of the condensed phase products of aluminum particles is significant for the application of aluminum‐based propellants. The microstructure, particle size distribution, specific surface area and metallic Al contents of three ...

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The Synthesis of Energetic Compound on 4,4′‐((2,4,6‐trinitro‐1,3‐phenylene)bis(oxy)) bis(1,3‐dinitrobenzene)(ZXC‐5): Thermally Stable Explosive with Outstanding Properties

27-Jul-2017 | XingCheng Zhang, HuaLin Xiong, HongWei Yang, GuangBin Cheng, Propellants, Explosives, Pyrotechnics, 2017

Abstract The novel, thermally stable explosive 4,4′‐((2,4,6‐trinitro‐1,3‐phenylene)bis(oxy))bis(1,3‐dinitrobenzene) (Be referred to as ZXC‐5 in our laboratory) has been reported. ZXC‐5 can be synthesized by a simple synthetic method (The total synthesis of ZXC‐5 requires only two steps and the ...

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Preparation and Characterization of Metalized JP‐10 Gel Propellants with Excellent Thixotropic Performance

26-Jul-2017 | Anqi Chen, Xidong Guan Guan, Xiaomeng Li Li, Baohao Zhang Zhang, Bao Zhang, Jian Song, Propellants, Explosives, Pyrotechnics, 2017

Abstract The preparation and characterization of a series of D‐gluconic acetal supramolecular organic gelators (Gn) which can form gel with high‐energy density hydrocarbon fuel JP‐10 are reported. Rheological measurements show G8 gel exhibits strong mechanical strength at a concentration of ...

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