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Key attributes of nitrocellulose-based energetic materials and recent developments. [PDF]

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Abdul Rahim KS, Samsuri A, Jamal SH, Mohd Nor SA, Rusly SNA, Ariff H, Abdul Latif NS.   +6 more
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Synthesis and Characterization of Nanothermites for Energetic Applications

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Nanothermite foams: From nanopowder to object

Chemical Engineering Journal, 2017
Abstract Nanothermites are combustible mixtures made up of a metallic oxide and a reducing metal. The high combustion velocities of nanothermite loose powders (0.1–2.5 km/s) arise from the propagation of heat through their porosity by the advection of hot gases and particles.
Marc Comet, Cédric Martin, Denis Spitzer   +2 more
exaly   +2 more sources

Preparation and characterization of n-Al/FeF3 nanothermite

Chemical Engineering Journal, 2018
Abstract A new type of nanothermite composed of n-Al (metal fuel) and FeF3 (oxidizer) was investigated in this paper. The thermal behavior and combustion properties of the n-Al/FeF3 nanothermite were compared with that of n-Al/Fe2O3 nanothermite by TG/DSC-MS, XRD, SEM and high-speed camera.
Pan Liu, Yanchun Li
exaly   +2 more sources

Direct Writing of a 90 wt% Particle Loading Nanothermite

Advanced Materials, 2019
AbstractThe additive manufacturing of energetic materials has received worldwide attention. Here, an ink formulation is developed with only 10 wt% of polymers, which can bind a 90 wt% nanothermite using a simple direct‐writing approach. The key additive in the ink is a hybrid polymer of poly(vinylidene fluoride) (PVDF) and hydroxy propyl methyl ...
Haiyang Wang, Jinpeng Shen, Dylan J Kline   +2 more
exaly   +3 more sources

3D ordered macroporous NiO/Al nanothermite film with significantly improved higher heat output, lower ignition temperature and less gas production [PDF]

Materials and Design, 2016
The performances of nanothermites largely rely on a meticulous design of nanoarchitectures and the close assembly of components. Three-dimensionally ordered macroporous (3DOM) NiO/Al nanothermite film has been successfully fabricated by integrating ...
Chunpei Yu, Wenchao Zhang, Ruiqi Shen
exaly   +3 more sources

Nanothermites : synthèse et combustion

Physique Chimie, 2021
Les nanothermites sont des materiaux energetiques prometteurs pour de multiples applications civiles ou militaires en raison de leurs caracteristiques en combustion. Ils peuvent jouer le role d’explosif primaire en remplacement des composes contenant des metaux lourds (azoture de plomb, etc.) a « eliminer » dans le cadre de la reglementation REACH ou ...
Johnny DESCHAMPS, Laurent CATOIRE
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Propellants Reactivity Enhancement with Nanothermites

Propellants, Explosives, Pyrotechnics, 2016
AbstractPropellant grains (Vectan A1) were coated with a thin and stable layer (50 μm, 10 wt‐%) of a “green” sulfate‐based nanothermite (Na2SO4/Al). This flash composition was used herein as an internal pyrotechnic lighter to accelerate the ignition and the combustion of the propellant. The combustion of the modified propellant, which was tested in one‐
Jean‐Edouard Berthe, Marc Comet, Fabien Schnell, Yves Suma, Denis Spitzer   +4 more
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Les nanothermites

2016
L’introduction récente de la dimension « nano » dans le domaine de la pyrotechnie a permis de développer une nouvelle famille de substances hautement réactives : les nanothermites. Celles-ci ont une composition chimique comparable à celle des thermites de granulométrie submillimétrique ou micrométrique, mais possèdent une morphologie ayant un degré d ...
Eric Lafontaine, Marc Comet
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Nanothermites for space and defence applications

SPIE Proceedings, 2009
Thermites are energetic materials which are made of a metallic oxide mixed with a reducing metal1. The reactivity of classical thermites is moderate but it can be substantially improved when micron-sized particles are replaced by nanoparticles. In this paper, three examples of nanothermites are given in order to illustrate the contribution of these
Marc Comet, Denis Spitzer, Jean-Pierre Moeglin   +2 more
openaire   +1 more source