Formationofincisedmultipleexplosively-formedprojectilesand

theirarmor-piercingeffectagainststeeltarge

ZhaoChang-xiao; LongYuan; YuDao-qiang

doi:10.11883/1001-1455(2013)02-0186-08

Volume 33 Issue 2

Apr. 2014

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ZhaoChang-xiao, LongYuan, YuDao-qiang, . Formationofincisedmultipleexplosively-formedprojectilesandtheirarmor-piercingeffectagainststeeltarge[J]. Explosion And Shock Waves, 2013, 33(2): 186-193. doi: 10.11883/1001-1455(2013)02-0186-08

Citation:

ZhaoChang-xiao, LongYuan, YuDao-qiang, . Formationofincisedmultipleexplosively-formedprojectilesand theirarmor-piercingeffectagainststeeltarge[J]. Explosion And Shock Waves, 2013, 33(2): 186-193. doi: 10.11883/1001-1455(2013)02-0186-08

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Formationofincisedmultipleexplosively-formedprojectilesand theirarmor-piercingeffectagainststeeltarge

doi: 10.11883/1001-1455(2013)02-0186-08

1.
CollegeofFiledEngineering,PLAUniversityofScienceandTechnology,
2.
Nanjing210007,Jiangsu,China;
3.
StatekeyLaboratoryofExplosionScienceandTechnology,BeijingInstituteof
4.
Technology,Beijing100081,China;

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Corresponding author: ZhaoChang-xiao
Publish Date: 2013-03-25

Abstract

Abstract

Basedonthe60-mm-diameterexplosively-formedprojectile(EFP)warheadwithanarc-cone liner,amultipleexplosively-formedprojectile(MEFP)warheadwasdesignedbyfixinganejectable cross-shapedreseauinaproperplaceinfrontofthelinerasthecuttingdevice.Andthearmor-piercing effectofthedesignedMEFPwarheadwasinvestigatedbycarryingoutstatic-explosiontests.Theresultsindicatethatthedesignedwarheadcanbecutinto5EFPswhichhaveacertainmassanddirection, andcanpenetratethrougha6-mm-thick45steeltarget.Itiseffectivetoincreasedamageelementsanddamagearea. TheprocessoftheMEFPspenetratingthroughthe45steeltargetswasnumericallyanalyzedbyusingLS- DYNA3D.TheballisticlimitingvelocityformulaoftheEFPswith differentsizesandstructureswereobtainedbyprocessingthesimulateddataofthecenterEFPpenetratingthroughthe45steeltarget
- mechanicsofexplosion,
- penetration,
- incisivecover,
- MEFPwarhead