Relationshipbetweenmicrostructuresofnano-TATB

andshockinitiationthresholdsofitscomposites

QIAO Zhi-qiang; NIE Fu-de; YANG Guang-cheng; ZHANG Juan

doi:10.11883/1001-1455(2010)01-0075-05

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QIAO Zhi-qiang, NIE Fu-de, YANG Guang-cheng, ZHANG Juan. Relationshipbetweenmicrostructuresofnano-TATBandshockinitiationthresholdsofitscomposites[J]. Explosion And Shock Waves, 2010, 30(1): 75-79. doi: 10.11883/1001-1455(2010)01-0075-05

Citation:

QIAO Zhi-qiang, NIE Fu-de, YANG Guang-cheng, ZHANG Juan. Relationshipbetweenmicrostructuresofnano-TATB andshockinitiationthresholdsofitscomposites[J]. Explosion And Shock Waves, 2010, 30(1): 75-79. doi: 10.11883/1001-1455(2010)01-0075-05

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Relationshipbetweenmicrostructuresofnano-TATB andshockinitiationthresholdsofitscomposites

doi: 10.11883/1001-1455(2010)01-0075-05

1.
InstituteofChemicalMaterials,ChinaAcademyofEngineeringPhysics,

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Corresponding author: QIAO Zhi-qiang
Publish Date: 2010-01-25

Abstract

Abstract

Theshockinitiationthresholdundertheconditionof50%initiationprobabilitywasmeasuredforthecomposites, whichwerecomposedofnano-TATBandonesensitiveexplosive,underthe impactofathinplasticflayerplateacceleratedbyelectricallyexplodingfoils.Severalviewpointswere discussedontherelationshipbetweenthemicrostructuralparametersofnano-TATBandtheshockinitiationthresholdofitscomposites. Numericalmodelingofgranulatingprocesses,topographycharacterizationofmoldingpowdersurfacesandshockinitiationthresholdtestswerecarriedouttoexplore thedetonationprocessofthecompositeexplosive.Researchedresultsindicatethatthedistributionof sensitiveexplosiveparticlesonthesurfaceofcompositesmoldingpowderandthesizeofnano-gridding- TATBconglomerationmaybethemostimportantfactorofdeterminingtheshort-pulsepress andtimeactingonthesensitiveexplosiveparticles.
- mechanicsofexplosion,
- shockthreshhold,
- numericalmodelingofgraulatingprocess,
- nano-TATB,
- microstructure,
- short-pulseshock