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| Description
| - The critical temperature and mechanism functions for thermal decomposition of epsilon-CL-20, RS-epsilon-CL-20, alpha-CL-20, epsilon-CL-20/C4, and RS-epsilon-CL-20/C4 were evaluated based on non-isothermal TG data. A two-step mechanism has been found for thermal decomposition of alpha-CL-20, epsilon-CL-20/C4, and RS-epsilon-CL-20/C4, where the initial step is partly controlled by crystal structure of CL-20. The more reasonable mean activation energies could be obtained after peak separation for each individual steps. In fact, the activation energy for the post integrated process is almost equivalent with that of the second step, indicating that the total activation energy at the main decomposition process is dominated by thermolysis of CL-20 molecular. Besides, it has been found that the decomposition of C4 matrix does not affect the decomposition of normal epsilon-CL-20, resulting in identical activation energy and reaction model. However, the interaction between the C4 matrix and RS-epsilon-CL-20 is significant especially at the initial stage, where the activation energy of RS-epsilon-CL-20/C4 was overestimated before peak separation, while the activation energy for the second step due to thermolysis of CL-20 molecular is underestimated. The first decomposition step for alpha-CL-20, epsilon-CL-20/C4, and RS-epsilon-CL-20/C4 could be considered as autocatalytic process (AC model), whereas the second as JMA model, which is also applicable to that of pure epsilon-CL-20 and RS-epsilon-CL-20. Moreover, The critical temperatures of thermal explosion (T (b)) are obtained as 205.6, 205.5, 209.4, 214.4, and 227.5 A degrees C for alpha-CL-20, epsilon-CL-20, RS-epsilon-CL-20, epsilon-CL-20/C4, and RS-epsilon-CL-20/C4, respectively. It proves that the C4 matrix could stabilize epsilon-CL-20 while the crystal form of CL-20 has little effect on its thermal stability.
- The critical temperature and mechanism functions for thermal decomposition of epsilon-CL-20, RS-epsilon-CL-20, alpha-CL-20, epsilon-CL-20/C4, and RS-epsilon-CL-20/C4 were evaluated based on non-isothermal TG data. A two-step mechanism has been found for thermal decomposition of alpha-CL-20, epsilon-CL-20/C4, and RS-epsilon-CL-20/C4, where the initial step is partly controlled by crystal structure of CL-20. The more reasonable mean activation energies could be obtained after peak separation for each individual steps. In fact, the activation energy for the post integrated process is almost equivalent with that of the second step, indicating that the total activation energy at the main decomposition process is dominated by thermolysis of CL-20 molecular. Besides, it has been found that the decomposition of C4 matrix does not affect the decomposition of normal epsilon-CL-20, resulting in identical activation energy and reaction model. However, the interaction between the C4 matrix and RS-epsilon-CL-20 is significant especially at the initial stage, where the activation energy of RS-epsilon-CL-20/C4 was overestimated before peak separation, while the activation energy for the second step due to thermolysis of CL-20 molecular is underestimated. The first decomposition step for alpha-CL-20, epsilon-CL-20/C4, and RS-epsilon-CL-20/C4 could be considered as autocatalytic process (AC model), whereas the second as JMA model, which is also applicable to that of pure epsilon-CL-20 and RS-epsilon-CL-20. Moreover, The critical temperatures of thermal explosion (T (b)) are obtained as 205.6, 205.5, 209.4, 214.4, and 227.5 A degrees C for alpha-CL-20, epsilon-CL-20, RS-epsilon-CL-20, epsilon-CL-20/C4, and RS-epsilon-CL-20/C4, respectively. It proves that the C4 matrix could stabilize epsilon-CL-20 while the crystal form of CL-20 has little effect on its thermal stability. (en)
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| Title
| - The effect of crystal structure on the thermal reactivity of CL-20 and its C4-bonded explosives Part II. Models for overlapped reactions and thermal stability
- The effect of crystal structure on the thermal reactivity of CL-20 and its C4-bonded explosives Part II. Models for overlapped reactions and thermal stability (en)
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| skos:prefLabel
| - The effect of crystal structure on the thermal reactivity of CL-20 and its C4-bonded explosives Part II. Models for overlapped reactions and thermal stability
- The effect of crystal structure on the thermal reactivity of CL-20 and its C4-bonded explosives Part II. Models for overlapped reactions and thermal stability (en)
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| skos:notation
| - RIV/00216275:25310/13:39896288!RIV14-MV0-25310___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00216275:25310/13:39896288
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - reaction model; PBXs; crystal structure; CL-20; thermal decomposition kinetics (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of Thermal Analysis and Calorimetry
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...vavai/riv/projekt
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Elbeih, Ahmed Ikhlas Mohamed
- Málek, Jiří
- Svoboda, Roman
- Zeman, Svatopluk
- Yan, Qi Long
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| http://linked.open...ain/vavai/riv/wos
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| issn
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| number of pages
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| http://bibframe.org/vocab/doi
| - 10.1007/s10973-012-2629-3
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| http://localhost/t...ganizacniJednotka
| |
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