Results 121 to 130 of about 581 (155)

Preparation and Evaluation of Hybrid Composites of Chemical Fuel and Multi-walled Carbon Nanotubes in the Study of Thermopower Waves. [PDF]

J Vis Exp, 2015
Hwang H, Yeo T, Cho Y, Shin D, Choi W.
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Recent Advances in MEMS-Based Microthrusters. [PDF]

Micromachines (Basel), 2019
Liu B, Li X, Yang J, Gao G.
europepmc   +1 more source

MXene Templated assembly of hierarchical Al/CuO/V₂C nanothermite with excellent energy release efficiency and highly tunable performance. [PDF]

Nat Commun
Tian M, Meng KJ, Xiong K, Hussain I, Ma X, Zhang K.   +5 more
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Synthesis and Characterization of Nanothermites for Energetic Applications

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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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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, Fabien Schnell, Denis Spitzer   +3 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
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Fast-Impulse Nanothermite Solid-Propellant Miniaturized Thrusters

Journal of Propulsion and Power, 2013
Highly reactive nanothermites prepared by mixing bismuth trioxide or cupric oxide nanoparticles with aluminum nanoparticles were evaluated as solid propellants for small-scale propulsion applications. Miniaturized engines were fabricated from steel in three-piece configurations without a converging/diverging nozzle.
Clay S. Staley, Kristofer E. Raymond, Rajagopalan Thiruvengadathan, Steven J. Apperson, Keshab Gangopadhyay, Sean M. Swaszek, Robert J. Taylor, Shubhra Gangopadhyay   +7 more
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