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580 Newest Publications in propellants, explosives, pyrotechnics

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A Comparison of the Structure, Synthesis, and Properties of Insensitive Energetic Compounds

18-May-2016 | Philip Pagoria, Propellants, Explosives, Pyrotechnics, 2016

Abstract The continued interest in improving the safety of munitions towards unintentional insults has led to a significant amount of research in the synthesis of new insensitive energetic compounds. This paper discusses various approaches to the synthesis of insensitive energetic compounds, ...

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Pressure Profile Prediction of Dual‐Thrust Rocket Motors under Uncertainties

18-May-2016 | Alaa R. Abdel Gawad, Mahmoud Y. M. Ahmed, Hamed M. Abdalla, Mohamed A. El‐Senbawy, Propellants, Explosives, Pyrotechnics, 2016

Abstract Mathematical models that simulate the internal ballistics of solid propellant rocket motors are widely used in lieu of the expensive, hazardous, time‐consuming static firing experiments. Since they rely on the input of various measured data, these models are vulnerable to ...

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Some Aspects on Safety and Environmental Impact of the German Green Gel Propulsion Technology

12-May-2016 | Helmut K. Ciezki, Karl Wieland Naumann, Propellants, Explosives, Pyrotechnics, 2016

Abstract This article gives a short introduction into the technology of gelled propellant rocket motors and gas generators. A brief introduction outlines the specific features of the German green gelled propellant rocket motor technology and the family of monopropellants that cover a variety ...

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Covalent and Ionic Insensitive High‐Explosives

09-May-2016 | Thomas M. Klapötke, Tomasz G. Witkowski, Propellants, Explosives, Pyrotechnics, 2016

Abstract Ongoing research into new insensitive energetic materials with low sensitivity toward accidental stimuli, high thermal stability and high performance characteristics is undertaken in many research groups worldwide. In order to obtain promising compounds, which fulfil the sensitivity, ...

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Surface Migration and Enrichment of Fluorinated TiO2 Nanocomposite Additives Inside Propellants

04-May-2016 | Na Sun, Cuihua Tian, Zhenggang Xiao, Propellants, Explosives, Pyrotechnics, 2016

Abstract In order to tailor the surface properties of propellants to meet the requirements of progressive burning and anti‐erosion performance of propellant for high loading density tank guns, the surface migration and enrichment effects of fluorinated TiO2 nanocomposite additives with low ...

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Development of a Design Methodology Against Fast Cook‐Off Threat for Insensitive Munitions

29-Apr-2016 | Hakan Sahin, Bekir Narin, D. Funda Kurtulus, Propellants, Explosives, Pyrotechnics, 2016

Abstract This work provides a design methodology for a typical energetic system to get Type V insensitive munition (IM) response against fast cook‐off threat. Experimental and numerical results for a generic test item filled with PBXN‐109 explosive are presented. Two key aspects of IM design ...

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Insensitive High Explosives II: 3,3′‐Diamino‐4,4′‐azoxyfurazan (DAAF)

29-Apr-2016 | Ernst‐Christian Koch, Propellants, Explosives, Pyrotechnics, 2016

Abstract This paper reviews the synthesis, properties, performance, and safety of the insensitive explosive 3,3′‐diamino‐4,4′‐azoxyfurazan (DAAF, C4H4N8O3), CAS‐No. [78644‐88‐0], and 18 formulations based on it. Though having a moderate crystal density only, DAAF offers high positive heat of ...

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Gurney Analysis of Porous Shells

29-Apr-2016 | Alec M. Milne, Propellants, Explosives, Pyrotechnics, 2016

Abstract There are many application areas, where the ability to accurately predict the speed of expansion of fragments from explosively disseminated porous shells is important. For inert materials this speed in part determines the size of the resulting cloud. For reactive materials this speed ...

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High Performance, Low Sensitivity: Conflicting or Compatible?

29-Apr-2016 | Peter Politzer, Jane S. Murray, Propellants, Explosives, Pyrotechnics, 2016

Abstract Some general guidelines and specific molecular/crystalline features for promoting a high level of detonation performance in conjunction with low sensitivity are proposed. A key point is that a large detonation heat release should be avoided; it is undesirable with respect to ...

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Confocal Scanning Laser Microscopic Study of the RDX Defect Structure in Deformed Polymer‐Bonded Explosives

28-Apr-2016 | Antoine E. D. M. van der Heijden, Richard H. B. Bouma, Propellants, Explosives, Pyrotechnics, 2016

Abstract The influence of an explosion‐driven deformation on the defect structure in RDX crystals embedded in a polymer‐bonded explosive was investigated by means of confocal scanning laser microscopy. The images were compared to the defect structure in the as‐received RDX grades, embedded in ...

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