Experimental Research on Initiation of Insensitive High Energy Plastic Bonded Explosives by Flyer Impact

doi:10.3969/j.issn.1000-1093.2016.08.018

Abstract

Abstract: In order to study the difference between detonation processes of HMX-based and TATB-based plastic bonded explosives and know more about the detonation growth characteristics of insensitive high energy explosives, an one-dimensional Lagrangian experimental test system is built based on manganin piezoresistive pressure gauge measurement technique, in which the aluminum flyers are used for planar impact loading. The impact initiation experiments are performed for PBXC03 (mainly HMX) and PBXC10 (mainly TATB) explosives. The pressure histories at different Lagrangian locations and the time-distance curve of shock front are obtained through experiment. The results show that the detonation growth progress of PBXC10 explosives distinctly distinguishes from that of PBXC03 explosives. This indicates that the physical mechanism of the shock initiation and detonation growth of HMX-based plastic bonded explosives is different from that of TATB-based plastic bonded explosives. The experimental data can be used to calibrate the reaction rate equation of insensitive high energy explosives.

Key words: ordnance science and technology, detonation, plastic bonded explosive, shock initiation, flyer, Lagrangian experiment

CLC Number:

O381

BAI Zhi-ling, DUAN Zhuo-ping, JING Li, LIU Yi-ru, OU Zhuo-cheng, HUANG Feng-lei. Experimental Research on Initiation of Insensitive High Energy Plastic Bonded Explosives by Flyer Impact[J]. Acta Armamentarii, 2016, 37(8): 1464-1468.

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