Abstract
The properties of mechanoactivated energetic composites based on aluminum and potassium perchlorate with high rates of self-sustaining chemical reactions under conditions of combustion and detonation are examined. The results of experiments on studying the combustion, deflagration-to-detonation transition, and sensitivity to friction of these composites are reported. The activation duration and aluminum content in the mixture are varied. The experiments on the deflagration-to-detonation transition of mechanoactivated composites are supplemented by the results of numerical simulations. The calculations and experiments on the dynamics of development of a blast wave and on the steady detonation velocity are found to be in qualitative agreement. It is shown that the velocity of the observed process is significantly (by about 40%) lower than the normal detonation velocity obtained from thermodynamic calculations.
| Original language | English |
|---|---|
| Pages (from-to) | 615-624 |
| Number of pages | 10 |
| Journal | Russian Journal of Physical Chemistry B |
| Volume | 9 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 30 Jul 2015 |
| Externally published | Yes |
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Keywords
- aluminum
- deflagration-to-detonation transition
- mechanoactivation
- potassium perchlorate
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
Cite this
Combustion and detonation of mechanoactivated aluminum–potassium perchlorate mixtures. / Dolgoborodov, A. Yu; Ermolaev, B. S.; Shevchenko, A. A.; Teselkin, V. A.; Kirilenko, V. G.; Monogarov, K. A.; Streletskii, A. N.
In: Russian Journal of Physical Chemistry B, Vol. 9, No. 4, 30.07.2015, p. 615-624.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Combustion and detonation of mechanoactivated aluminum–potassium perchlorate mixtures
AU - Dolgoborodov, A. Yu
AU - Ermolaev, B. S.
AU - Shevchenko, A. A.
AU - Teselkin, V. A.
AU - Kirilenko, V. G.
AU - Monogarov, K. A.
AU - Streletskii, A. N.
PY - 2015/7/30
Y1 - 2015/7/30
N2 - The properties of mechanoactivated energetic composites based on aluminum and potassium perchlorate with high rates of self-sustaining chemical reactions under conditions of combustion and detonation are examined. The results of experiments on studying the combustion, deflagration-to-detonation transition, and sensitivity to friction of these composites are reported. The activation duration and aluminum content in the mixture are varied. The experiments on the deflagration-to-detonation transition of mechanoactivated composites are supplemented by the results of numerical simulations. The calculations and experiments on the dynamics of development of a blast wave and on the steady detonation velocity are found to be in qualitative agreement. It is shown that the velocity of the observed process is significantly (by about 40%) lower than the normal detonation velocity obtained from thermodynamic calculations.
AB - The properties of mechanoactivated energetic composites based on aluminum and potassium perchlorate with high rates of self-sustaining chemical reactions under conditions of combustion and detonation are examined. The results of experiments on studying the combustion, deflagration-to-detonation transition, and sensitivity to friction of these composites are reported. The activation duration and aluminum content in the mixture are varied. The experiments on the deflagration-to-detonation transition of mechanoactivated composites are supplemented by the results of numerical simulations. The calculations and experiments on the dynamics of development of a blast wave and on the steady detonation velocity are found to be in qualitative agreement. It is shown that the velocity of the observed process is significantly (by about 40%) lower than the normal detonation velocity obtained from thermodynamic calculations.
KW - aluminum
KW - deflagration-to-detonation transition
KW - mechanoactivation
KW - potassium perchlorate
UR - http://www.scopus.com/inward/record.url?scp=84942520546&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84942520546&partnerID=8YFLogxK
U2 - 10.1134/S1990793115040041
DO - 10.1134/S1990793115040041
M3 - Article
VL - 9
SP - 615
EP - 624
JO - Russian Journal of Physical Chemistry B
JF - Russian Journal of Physical Chemistry B
SN - 1990-7931
IS - 4
ER -