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International Journal of Energetic Materials and Chemical Propulsion

Erscheint 6 Ausgaben pro Jahr

ISSN Druckformat: 2150-766X

ISSN Online: 2150-7678

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.7 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 0.7 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00016 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.18 SJR: 0.313 SNIP: 0.6 CiteScore™:: 1.6 H-Index: 16

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THERMOCHEMICAL PROPERTIES AND LASER-IGNITION PERFORMANCE OF Al/CuMoO4, Al/CuO/MoO3, Al/CuO AND Al/MoO3 NANOTHERMITES

Volumen 17, Ausgabe 4, 2018, pp. 303-319
DOI: 10.1615/IntJEnergeticMaterialsChemProp.2019027842
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ABSTRAKT

Nanothermites represent materials of high energy density and reaction rate which also exhibit sensitivity to friction initiation and electrostatic discharge (ESD). New nanothermite materials based on the perovskite CuMoO4 have been produced by resonant acoustic mixing and compared to the corresponding nanothermites containing MoO3 and CuO oxidants. Three fuels have been used in the study, containing oxide (O-Al) passivation or palmitic acid (L-Al) and Viton (V-Al) coatings. Whilst the materials show intermediate friction and ESD sensitivity between molybdenum and copper nanothermites, a friction sensitivity of 96 N and ESD minimum ignition of > 0.156 J is achieved using V-Al fuels, which is markedly improved relative to MoO3-based nanothermites. All three CuMoO4-based nanothermite fuels reacted rapidly under thermochemical conditions in argon at ≤ 500°C. Reactions are complete over a few degrees of the heating cycle, rather than a few hundred degrees for the MoO3 and CuO nanothermites. Contrary to the reaction under thermochemical conditions (ignition by constant heating), the low power laser initiated (ignition by hot-spot) perovskite thermite had shown less reactivity when compared to the other nanothermites. The most reactive nanothermite to laser ignition was found to be the Al/CuO/MoO3 nanothermite. Therefore, both the binary oxide and perovskite should be considered as a distinct nanothermite system, with properties that are different than individual MoO3 and CuO systems.

REFERENZIERT VON
  1. Saceleanu Florin, LeSergent Lauren, Zhang Yiqi, Kerr Victoria, Wen John Z., Petre Catalin F., Beland Pascal, Ignition and Combustion Characteristics of Laser Irradiated Al/CuxO Nanoparticle Pellets and Nanolaminates, Journal of Propulsion and Power, 37, 6, 2021. Crossref

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