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    Wyświetlanie 1-4 z 4
    Tytuł:
    The Advantages and Shortcomings of Using Nano-sized Energetic Materials
    Autorzy:
    Zohari, N.
    Keshavarz, M. H.
    Seyedsadjadi, S. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/358244.pdf
    Data publikacji:
    2013
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    energetic compounds
    nanosized particles
    sensitivity
    burn
    rate
    thermal stability
    Opis:
    Energetic materials are substances that can store chemical energy in their chemical bonds. An ideal energetic material is a substance with high performance, safety and shelf life. Many recent researches have concentrated on the synthesis or the development of new energetic materials with optimized properties, such as thermal stability, sensitivity and burn rate. The reduction of the particle size of energetic materials from micron to nano-sized is one of the suitable approaches for obtaining desirable properties. Recent progress on the reduction of the particle size of energetic materials is reviewed in this work. The effects of nano-sized particles on the performance of energetic compounds are also investigated.
    Źródło:
    Central European Journal of Energetic Materials; 2013, 10, 1; 135-147
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kinetics of Polymorphic Transitions in Energetic Compounds
    Autorzy:
    Chukanov, N. V.
    Zakharov, V. V.
    Korsunskiy, B. L.
    Chervonnyi, A. D.
    Vozchikova, S. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/358796.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    polymorphic transitions
    energetic compounds
    molecular crystals
    kinetics
    calorimetry
    IR spectroscopy
    Opis:
    Available data on the kinetics of polymorphic transitions (PTs) in energetic compounds under isothermal conditions are summarized and discussed. It is shown that the general kinetic regularities of these processes (stepwise and continuous regimes) depend on their topotactic mode (frontal or quasi-homogeneous, respectively). In reverse PTs, a nucleation stage is not observed, which is explained by the presence of nuclei of the low-temperature polymorph in the preheated sample. The influence of mechanical effects on the kinetics of PTs in molecular crystals is discussed.
    Źródło:
    Central European Journal of Energetic Materials; 2016, 13, 2; 483-504
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Novel Correlation for Predicting the Density of Tetrazole–N-oxide Salts as Green Energetic Materials through Their Molecular Structure
    Autorzy:
    Zohari, N.
    Bajestani, I. R.
    Powiązania:
    https://bibliotekanauki.pl/articles/358082.pdf
    Data publikacji:
    2018
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    tetrazole-N-oxide energetic compounds
    density
    correlation
    multiple linear regression method
    molecular structure
    Opis:
    In this study, a new and reliable model is derived for predicting the density of tetrazole N-oxide salts using molecular structure descriptors through multiple linear regression methods (MLR). The proposed model is based on the elemental, functional group and type of molecule descriptors. The coefficient of determination (R2) of the model was 0.9321 for 36 energetic tetrazole N-oxides with different molecular structures as an exploratoryset. The predictive ability of this model has been checked using a cross validation method (Q2 LOO = 0.9325 and Q2 LMO = 0.9324). The new correlation had a root mean square deviation (RMSD) of 0.033 g·cm−3 and an average absolute deviation (AAD) of 0.025 g·cm−3. This correlation also gave good predicted results for a further 10 energetic tetrazole N-oxides as a test set. The new reliable model can also be appliedfor designing novel energetic tetrazole N-oxides.
    Źródło:
    Central European Journal of Energetic Materials; 2018, 15, 4; 629-651
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Relationship between Impact Sensitivity of Nitroaromatic Energetic Compounds and their Electrostatic Sensitivity
    Autorzy:
    Zohari, N.
    Seyed-Sadjadi, S. A.
    Marashi-Manesh, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/358443.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    energetic materials
    nitroaromatic compounds
    impact sensitivity
    electrostatic sensitivity
    safety
    Opis:
    This study presents a linear relationship between the impact sensitivity of nitroaromatic energetic compounds and their electric spark sensitivity. The methodology assumes that the impact sensitivity of a nitroaromatic energetic compound with the general formula CaHbNcOd can be expressed as a function of the electrostatic sensitivity, the number of NH2 group substitutions in the 2,4,6-trinitrophenyl ring and non-additive structural parameters. The root mean square and absolute standard deviation of a newly introduced correlation were respectively found to be 2.4 and 2.0 for 27 nitroaromatic energetic compounds. The proposed new correlation was also tested for 7 additional nitroaromatic energetic compounds, which have complex molecular structures such as 1-(2,4,6-trinitrophenyl)-5,7-dinitrobenzotriazole and 1,3,7,9-tetranitrophenoxazine.
    Źródło:
    Central European Journal of Energetic Materials; 2016, 13, 2; 427-443
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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