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HERO ID
8268992
Reference Type
Journal Article
Title
Accelerated aging of PBX-6 explosive components
Author(s)
Gao, DY; Nie, SY; Shen, CY; Hua, C; Wen, SG; Huang, YM; Li, M
Year
2014
Publisher
Beijing Institute of Technology
Volume
23
Issue
SUPPL.1
Page Numbers
125-132
Language
English
Abstract
To understand the effects of thermal aging on the properties of PBX-6 explosive components, the accelerated aging experiments for HMX based PBX (PBX-6) semispherical components (SR50 mm) were conducted at temperature 65 °C for 180 d and 365 d. The property changes of safety and detonation were evaluated through fast cook-off test, drop test and detonation waves test. The experimental data were analyzed comparatively. The results show for the aged PBX-6 explosive components, the outside radiuses increased little, both the mass and the density decreased, the physical uniformity decreased slightly; the thermal safety and the impact safety properties degraded; the shock wave sensitivity increased. The run-to-detonation distance reduced, but the changes of detonation wave profiles were very insignificant.
Keywords
Accelerated aging; Explosion mechanics; Explosive components; Property changes
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