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Volume 32 Issue 1
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Article Navigation >  Explosion And Shock Waves  > 2012  >  32(1): 15-22
LU Yu-bin. InterfacialfrictioneffectinSHPBexperimentsofplastics[J]. Explosion And Shock Waves, 2012, 32(1): 15-22. doi: 10.11883/1001-1455(2012)01-0015-08
Citation: LU Yu-bin. InterfacialfrictioneffectinSHPBexperimentsofplastics[J]. Explosion And Shock Waves, 2012, 32(1): 15-22. doi: 10.11883/1001-1455(2012)01-0015-08
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InterfacialfrictioneffectinSHPBexperimentsofplastics

doi: 10.11883/1001-1455(2012)01-0015-08
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    MinistryofEducationKeyLaboratoryofTestingTechnologyforManufacturingProcess,

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  • Corresponding author: LU Yu-bin
  • Publish Date: 2012-01-25
    Abstract
  • Abstract:AkineticinterfacefrictionmodelisproposedbasedonthekineticfrictiontestsbyMengto describethevariationofkineticfrictioncoefficientwiththemaximumradialrelativevelocitybetween theSHPBpolycarbonate(PC)specimenandsteelpressurebars.Thekineticinterfacefrictionmodel andtheconstantfrictioncoefficientmodelareimplementedintothenumericalsimulationsofSHPB tests.Itshowsthatusingdifferentinterfacialfrictionmodelshaslittleinfluenceonthetransitional strainrate(intheorderof102s-1)obtainedfromthenumericalsimulationsofSHPBtestsonpolymerspecimens. Whilethestrain-rateexceedsthetransitionalstrainrate,thisinfluenceisobvious, anditisnecessarytousethekineticinterfacialfrictionmodel,ratherthantheconstantfrictioncoefficientmodelforobtainingmoreaccuratenumericalsimulationsofSHPBtestsonpolymerspecimens.
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