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Experimental investigations of mechanical and reaction responses for drop-weight impacted energetic particles

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Abstract

Low-velocity drop-weight impact experiments on individual and multiple Cyclotetramethylene tetranitramine (HMX) energetic particles were performed using a modified drop-weight machine equipped with high-speed photography components. Multiple particles experienced more severe burning reactions than an individual particle. Comparisons between impacted salt and HMX particle show that jetting in HMX is mainly due to the motion of fragmented particles driven by gaseous reaction products. Velocity of jetting, flame propagation, and area expansion were measured via image processing, making it possible to quantify the chemical reaction or mechanical deformation violence at different stages.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (Grants 11572045 and 11472051), the Defense Industrial Technology Development Program (Grant B1520132004), and the General Project of the CAEP Safety and Ammunition Center (Grant RMC2015B03).

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Authors and Affiliations

  1. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, China

    Xiao-Wei Bao, Yan-Qing Wu, Ming-Yang Wang & Feng-Lei Huang

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  1. Xiao-Wei Bao
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  2. Yan-Qing Wu
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  4. Feng-Lei Huang
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Correspondence to Yan-Qing Wu.

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Bao, XW., Wu, YQ., Wang, MY. et al. Experimental investigations of mechanical and reaction responses for drop-weight impacted energetic particles. Acta Mech. Sin. 33, 65–70 (2017). https://doi.org/10.1007/s10409-016-0583-1

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  • DOI: https://doi.org/10.1007/s10409-016-0583-1

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