Experimental research on pressure desensitization of emulsion explosive sensitized by MgH<sub>2</sub>

Cheng Yang-fan; Ma Hong-hao; Shen Zhao-wu

doi:10.11883/1001-1455(2014)04-0427-06

Volume 34 Issue 4

Sep. 2014

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WANG Jun-qi, WANG Liang, ZHANG Jie. Influencesofdilatancyonrockpropertiesundershockloading[J]. Explosion And Shock Waves, 2012, 32(3): 333-336. doi: 10.11883/1001-1455(2012)03-0333-04

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Cheng Yang-fan, Ma Hong-hao, Shen Zhao-wu. Experimental research on pressure desensitization of emulsion explosive sensitized by MgH₂[J]. Explosion And Shock Waves, 2014, 34(4): 427-432. doi: 10.11883/1001-1455(2014)04-0427-06

WANG Jun-qi, WANG Liang, ZHANG Jie. Influencesofdilatancyonrockpropertiesundershockloading[J]. Explosion And Shock Waves, 2012, 32(3): 333-336. doi: 10.11883/1001-1455(2012)03-0333-04

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Experimental research on pressure desensitization of emulsion explosive sensitized by MgH₂

doi: 10.11883/1001-1455(2014)04-0427-06

Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027, Anhui, China

Funds: Supported bythe National Natural Science Foundation of China (51134012, 51374189, 51174183)

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Corresponding author: Ma Hong-hao, yf518@mail.ustc.edu.cn
Received Date: 2012-11-29
Rev Recd Date: 2013-03-04
Publish Date: 2014-07-25

Abstract

Abstract

For the first time, MgH₂powders both as sensitizers and energetic materials in the emulsion explosive was studied on the effects of shock－wave resistance with shock－wave generator and experiments of underwater explosion.Compared with emulsion explosive sensitized by glass microspheres, emulsion explosive sensitized by MgH₂presents much smaller ratio of pressure desensitization and stronger explosive effect; the microstructure of emulsion explosive was studied with the scanning electron microscope.And the result show that demulsification of emulsion explosive and decrease of effective"hot spot"are key reasons of decrease in detonation pressure of emulsion explosive.
- mechanics of explosion,
- pressure desensitization,
- hydrogen storage material,
- emulsion explosive,
- sensitizer

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References(14)

References

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