Transientfailureprocessofexplosioncontainmentvessels

subjectedtoadiabaticshear

MA Li; HU Yang; XIN Jian; ZHENG Jin-yang; DENG Gui-de; CHEN Yong-jun

doi:10.11883/1001-1455(2012)02-0136-07

Volume 32 Issue 2

May 2014

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Abstract

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Article Navigation > Explosion And Shock Waves > 2012 > 32(2): 136-142

LIU Zhanli, DU Zhibo, ZHANG Jiarui, YAN Ziming, LI Zhijie, WANG Peng, KANG Yue, HUANG Xiancong, MA Tian, FEI Zhou, ZHUANG Zhuo. Progress in the mechanism and protection of blast-induced traumatic brain injury[J]. Explosion And Shock Waves, 2022, 42(4): 041101. doi: 10.11883/bzycj-2021-0053

Citation:

MA Li, HU Yang, XIN Jian, ZHENG Jin-yang, DENG Gui-de, CHEN Yong-jun. Transientfailureprocessofexplosioncontainmentvessels subjectedtoadiabaticshear[J]. Explosion And Shock Waves, 2012, 32(2): 136-142. doi: 10.11883/1001-1455(2012)02-0136-07

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Transientfailureprocessofexplosioncontainmentvessels subjectedtoadiabaticshear

doi: 10.11883/1001-1455(2012)02-0136-07

1.
InstituteofProcessEquipment,ZhejiangUniversity,
2.
Hangzhou 310027,Zhejiang,China;
3.
ChinaSpecialEquipmentInspectionandResearchInstitute,Beijing 100013,China;
4.
InstituteofReliableLegalityofComponentsandSystems,UniversityKarlsruhe (TH ),

Funds:

NationalNaturalScienceFoundationofChina(51005201,50875236)

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Corresponding author: ZHENG Jin-yang
Publish Date: 2012-03-25

Abstract

Abstract

Destructiontestswereperformedonacylindricalexplosioncontainmentvessel(ECV)by applyingtheexplosiveloadswiththeincreasingchargemassesofTNT.Anadiabaticshearfailure modeforECVswaspresentedbasedonthefractureandthemicro-opticalobservationofthedestructedvessel. AdamageevolutionmodelforECVssubjectedtoadiabaticshearwasconstructed,where themechanicalconditionsincludingstrainrateandstrain werelinked withthedifferentevolution statesoftheadiabaticshearbands(ASBs).AndthesemechanicalconditionswereemployedinthenumericalcodeasthefailurecriteriatosimulatethetransientprocessoftheASBevolution. Thesimulatedfractureprofileshowsagoodagreementwiththeexperimentalresult. Thesimulatedresultindicatesthattherate- dependentcriticalstrain,aswellasexplosiveload,governstheadiabaticshearfailuremode. ThoughtheinitialmaterialimperfectionignitestheASBs,ithasaminorinfluenceonthe finalfractureprofile.FortheECVswiththeadiabaticshearfailuremode,thecrack (orASB)expandsfasterthanforthosewiththeplasticinstabilityfailuremode.
- mechanicsofexplosion,
- failuremode,
- adiabaticshear,
- explosioncontainmentvessel