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FabricationandFlyerDrivingCapabilityCharacterisationofanIntegratedExplodingFoilInitiator 8 9 7
Ⅳ.Andfortheflyerdrivingcapabilitycharacterization,thePDV Acknowledgement: ThesupportofthisworkbycoworkersinPyro
diagnosticshavebeenappliedtorecordtheflyeraccelerationhis technicsLaboratory,InstituteofChemicalMaterials,CAEPisgratefully
tory.Theimpactsoffoilthickness,barrellength,flyerthickness, acknowledged.
andcomponentsmaterialhavebeeninvestigatedthroughtheflyer
accelerationprofile.Theresultsindicatedthat: References:
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(1)Fortheinvestigationofflyerdrivingcapabilityofthe
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flyeracceleration effectbetween thetestsamplewith afoil [2]HendersonJohnH,BaginskiThomasA.Twonovelmonolithic
thicknessof3μ m and4μ m.Whileduetothegreaterenergy siliconsubstrateslapperdetonators[C] ∥ IndustryApplications
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densitythesamplewithafoilthicknessof3μ m,indeed,pro
[3]O′BrienD W,DruceRL,JohnsonG W,etal.Methodandsys
vide betteracceleration capability in the initialpartofthe
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(2) Thelongerbarrelwillprovidemorespaceforthe [4]AmishDesai,Altadena,CA.Efficientexplodingfoilinitiatorand
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PrototypingandHydrodynamicProperties[R].FY07Engineer
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relatively.Whileforthethinnerone,thevelocityisableto
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theablationofhotplasma,alongerbarrelwon′tguarantee searchLaboratoryReport(MilitaryResearchLaboratory,LosAla
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[8]JunSikHwang,MoonHoLee,SangMooLee,etal.Astudyon
(4)ThefabricationprocessoftheintegratedEFIinthe
thefactorsaffectingthefiresensitivityofexplodingfoilinitiators
presentworkisquitedifferentfrom theclassicone,buttheir
[C] ∥31stInternationalPyrotechnicsConference,FortCollins,
overallflyerdriving capabilitiesare similarto each other. Colorado,USA,June1116,2004.
Thoughthereisadensitydivergencebetween1.35g·cm -3 of [9]CHEN QingChou,FU QiuBo,CHEN Lang,etal.Parametric
paryleneCflyerand1.42g·cm -3 ofpolyimideflyer,itmight influencesonthesensitivityofexplodingfoilinitiators[J].Pro
pellants,Explosives,Pyrotechnics,2014,4(39):558-562.
beabsorbed bythesubstratebindingforcediscrepancybe
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tweenCVD method and normalassemblyprocess.In addi
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couldalsofullycompetentfortheflyeraccelerationunderthe CA,USA,2009.
influenceoffoil′selectricalexploding.
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