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EquivalentOverloadSimulationTestMethodofHighAccelerationMechanicsforPyrotechnicsBasedonAir
CannonandSplitHopkinsonPressureBar
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ZHANG Rui,FUDongxiao ,DUZhenhua ,TONG Shuhui,DUJun,REN Bin,LIFang ,LIUHu 1
(1.ShaanxiAppliedPhysicsChemistryResearchInstitute,Xi′an710061,China;2.EquipmentDepartmentofPLANavy,Beijing100841,China)
Abstract:SincethesplitHopkinsonpressurebar(SHPB)testcannotdescribetheeffectproblem onpyrotechnicsusingaccelera
tion,anequivalentequationofbulletspeedandaccelerationofSHPBtestwasobtainedusingresultsofSCBpyrotechnicsfrom by
aircannonandSHPBtests,suchasaxialstrain,timetoreaction,chipfiringenergyetcandtakingthattheaccelerationofaircan
nontestisequivalenttothebulletspeedoftheSHPBtest.Anoverloadaccelerationmechanicssimulationtestmethodofpyrotech
nicsforSHPBtestisestablishedfinally.
Keywords:pyrotechnics;mechanicaloverload;testmethod;Hopkinsonpressurebar(SHPB)
CLCnumber:TJ55;O34 Documentcode:A DOI:10.11943/j.issn.10069941.2015.02.014
CHINESEJOURNALOFENERGETICMATERIALS !"#$ 2015% & 23' & 2( (178-183)