Deflagration to detonation transition in mechanoactivated mixtures of ammonium perchlorate with aluminum

被引：2
|
作者：
Shevchenko, A. A. [1 ,2 ]
Dolgoborodov, A. Yu [1 ,2 ,3 ]
Kirilenko, V. G. [2 ]
Brazhnikov, M. A. [2 ]
机构：
[1] Natl Res Nucl Univ MEPhI, Moscow Engn Phys Inst, Kashirskoe Shosse 31, Moscow 115409, Russia
[2] Russian Acad Sci, Semenov Inst Chem Phys, Kosygina 4, Moscow 119991, Russia
[3] Russian Acad Sci, Joint Inst High Temperatures, Izhorskaya 13 Bldg 2, Moscow 125412, Russia
来源：
XXXI INTERNATIONAL CONFERENCE ON EQUATIONS OF STATE FOR MATTER (ELBRUS 2016) | 2016年 / 774卷
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1088/1742-6596/774/1/012068
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Deflagration-to-detonation transition (DDT) in aluminum ammonium perchlorate (Al/AP) loose-packed charges (80% porosity) has been studied. The charges were manufactured from preliminary mechanoactivated mixtures. The mixtures placed in steel tubes 10 mm in diameter were ignited by Nichrome wire. It was found that it is possible to distinguish three parts corresponding to different stages of DDT process development. Steady-state detonation velocity reached the level of 2500 m/s at the distance of 90 mm from the ignition point.
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页数：4
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