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          InitiationResponseofExplosiveCompoundunderActionofPlasma

          XUELexing,WANG Xiaofeng,FENG Xiaojun,XUHongtao,FENG Bo,TIAN Xuan
          (Xi′anModernChemistryResearchInstitute,Xi′an710065,China)

          Abstract:Toobtaintheinitiationresponeruleofexplosivecompoundundertheactionofplasma,theplasmainitiationexperi
          mentsofexplosivecompoundwereperformedusingelectricalexplodingofnickelchromium (NiCr)andtungsten(W)wiresas
          aplasmageneratingsource,thevoltageandcurrentofplasmaweremeasuredbyoscilloscope,andwhetherexplosivedetonation
          wasjudgedbywitnessplates.Resultsshow thattheabilityofoctogen(HMX)initiatedbyNiCrwireplasmaisstrongerthanthat
          ofHMXnitiatedbyW wireplasma.WhentheinitiationofHMXwithparticlesizeof140"m and21"m andof10% chargedensi
          tydifferenceisselected,andlowerchargedensityandsmallerparticlesizeareused,theplasmainitiationresponeofHMXismore
          intense.HMX,1,1diamino2,2dinitroethylene(FOX7),Nguanylureadinitramide(FOX12),2,6diamino3,5dinitropyrazine
          1oxide(LLM105)andtriaminotrinitrobenzene(TATB)canbeinitiatedbyplasma.2,4dinitroanisole(DNAN)isignitedbyheat
          ofelectricalexplodingwire.TheorderofNiCrwireplasmainitiationsensitivityisHMX>LLM105 ≈FOX7>FOX12>TATB.The
          mechanism ofexplosiveinitiatedbyplasmaisinferredasmixedinitiationmechanism.A particlescombustionmodelbasedon
          plasmaisproposed.
          Keywords:plasma;electricalexploding;explosivecompound;initiation;sensitivity
          CLCnumber:TJ55                  Documentcode:A                DOI:10.11943/j.issn.10069941.2017.01.012


















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