ExperimentalstudyonrelationbetweenDn()andcomposition

forHMX/TNTratesticks

ZHANG Hong-liang; Shakeel A R; HUANG Feng-lei

doi:10.11883/1001-1455(2011)04-0439-05

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ZHANG Hong-liang, Shakeel A R, HUANG Feng-lei. ExperimentalstudyonrelationbetweenDn()andcompositionforHMX/TNTratesticks[J]. Explosion And Shock Waves, 2011, 31(4): 439-443. doi: 10.11883/1001-1455(2011)04-0439-05

Citation:

ZHANG Hong-liang, Shakeel A R, HUANG Feng-lei. ExperimentalstudyonrelationbetweenDn()andcomposition forHMX/TNTratesticks[J]. Explosion And Shock Waves, 2011, 31(4): 439-443. doi: 10.11883/1001-1455(2011)04-0439-05

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ExperimentalstudyonrelationbetweenDn()andcomposition forHMX/TNTratesticks

doi: 10.11883/1001-1455(2011)04-0439-05

1.
StateKeyLaboratoryofExplosionScienceandTechnology,

Funds:

NationalNaturalScienceFoundationofChina(10832003)

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Corresponding author: HUANG Feng-lei
Publish Date: 2011-07-25

Abstract

Abstract

Aimedatthefactthatitisnecessarytodeterminethequantitativerelationbetweenthelocal normaldetonationwavespeedDnandthetotalcurvaturewhendetonationshockdynamics(DSD)is usedtostudynonidealdetonation,steady-statedetonationvelocitiesandwaveshapesweremeasured forHMX/TNTcastexplosivesatmassratios60/40,50/50and40/60.Resultsshowthatdetonation lagzincreaseswiththeincreaseofTNTmasspercentageanditdecreasewiththeincreaseofexplosive density;andthatwiththeincreaseofTNTmasspercentage,theslopesofDn()curvesbecomelarge andthechangeratesoftheslopesarepositive.Forreducingthecostsoftheexperiment,thegeneral Dn(,Rt)lawwasinducedfromtherelationofDn(),andtherelationofRt-z-rwasobtainedbythe Dn(,R t)law.
- mechanicsofexplosion,
- nonidealdetonation,
- massratio,
- HMX/TNT,
- DSD