Results 131 to 140 of about 496 (164)

Processing and characterization of aluminum-based nanothermites

Journal of Thermal Analysis and Calorimetry, 2009
During the past several years, a significant effort has been on investigation of reaction front propagation and the rate of energy release in heterogeneous systems consisting of nanopowder reactants. Substantial size reduction of each reactant powder (e.g.
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REACTIVITY OF NANOTHERMITS WHEN IGNITION BY A HOT BODY

Южно-Сибирский научный вестник, 2023
Наноразмерные энергетические композиты, также известные как метастабильные межмолекулярные композиты, представляет собой захватывающий новый класс энергетических материалов. Примерами наноразмерных термитов являются частицы металлов и оксидов металлов размером от 30 до 200 нанометров. Эти материалы могут найти широкое применение, в том числе, в составе
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The Effects of Confinement on the Fracturing Performance of Printed Nanothermites

Propellants, Explosives, Pyrotechnics, 2018
AbstractNanothermites have shown the potential to controllably fracture substrates in applications such as electromechanical systems security. In prior work, both equivalence ratio and material formulation have been varied to tailor fracturing performance.
Eric R. Westphal, Allison K. Murray, Miranda P. McConnell, Trevor J. Fleck, George T.‐C. Chiu, Jeffrey F. Rhoads, I. Emre Gunduz, Steven F. Son   +7 more
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Preparation and characterization of Al/B/Fe2O3 nanothermites

Science China Chemistry, 2014
A sol-gel synthetic approach combined with an ultrasonic method was utilized to prepare Al/B/Fe2O3 nanothermites. The structure and properties of the prepared nanothermites were characterized by thermogravimetric analysis, differential scanning calorimetry, scanning electron microscopy, X-ray diffraction, and an impact sensitivity test.
LianHua Shen, GuoPing Li, YunJun Luo, Kun Gao, Zhen Ge   +4 more
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Thermo-Kinetic Study of Core-Shell Nanothermites

AIP Conference Proceedings, 2006
This article presents the formulation of a new nano‐thermite mixture (Al/KMnO4) for application in energetic materials. Reactivities of different thermite mixtures have been compared by a constant volume combustion experiment and the results indicate that the reactivity of the new formulation is two orders of magnitude greater than the traditional ...
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Detailed Chemical Kinetic Models for Nanothermites Combustion

Propellants, Explosives, Pyrotechnics, 2018
AbstractThe development of nanothermites and the understanding of their behaviors need several improvements in many domains including thermochemistry and chemical kinetics. In this paper a brief state of the art is presented in these fields and possible approaches are presented.
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Electric-Spark Initiation of Nanothermites

Combustion, Explosion, and Shock Waves, 2023
A. Yu. Dolgoborodov, B. D. Yankovskii, P. A. Arsenov, S. Yu. Anan’ev, L. I. Grishin, G. E. Val’yano, T. I. Borodina, G. S. Vakorina   +7 more
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On the Mechanism of Combustion Propagation in Porous Nanothermites

Russian Journal of Physical Chemistry B, 2023
V. G. Kirilenko, A. Yu. Dolgoborodov, M. A. Brazhnikov, M. L. Kuskov   +3 more
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Reactive characterization of nanothermites

Journal of Thermal Analysis and Calorimetry, 2012
Marc Comet, Benny Siegert, Vincent Pichot, Denis Spitzer   +3 more
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Préparation de nanothermites réactives désensibilisées

Pouvoir utiliser sans risques des matériaux énergétiques très sensibles est l’enjeu actuel du développement des nanothermites. Ces compositions, constituées d’un oxyde métallique et d’un métal réducteur, présentent d’intéressantes propriétés réactives mais sont très sensibles à la décharge électrostatique rendant leur manipulation dangereuse.
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