Detonation velocity of mechanically activated mixtures of ammonium perchlorate and aluminum

被引：6
|
作者：
Shevchenko, A. A. [1 ,2 ,3 ]
Dolgoborodov, A. Yu. [1 ,2 ,3 ]
Kirilenko, V. G. [1 ]
Brazhnikov, M. A. [1 ]
机构：
[1] Russian Acad Sci, Semenov Inst Chem Phys, Moscow 119991, Russia
[2] Russian Acad Sci, Joint Inst High Temperatures, Moscow 119991, Russia
[3] MIPhI Natl Res Nucl Univ, Moscow 115409, Russia
来源：
COMBUSTION EXPLOSION AND SHOCK WAVES | 2017年 / 53卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
ammonium perchlorate; aluminum; nano-aluminum; mechanical activation; pseudoideal detonation;
D O I：
10.1134/S0010508217040104
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The detonation properties of mechanically activated mixtures of ammonium perchlorate and aluminum were studied. The deflagration-to-detonation transition for low-density charges was investigated. Dependences of the detonation velocity of pressed charges with different types of aluminum on the activation time, density, and diameter of the charges were obtained. For compositions with nanosized aluminum, it is was found that the detonation velocity depends nonmonotonically on the inverse charge diameter and remains almost unchanged in a certain range of charge diameters. It is shown that the joint use of mechanical activation and nanosized components of the composite explosive significantly increases the detonability, reduces the critical diameter, and shifts the maximum of the detonation velocity as a function of density to higher charge densities.
引用
收藏
页码：461 / 470
页数：10
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