ApplicationsofDPSarraystestingtechnique

todynamicpropertiesstudyofmaterial

HU Chang-ming; WANG Xiang; LIU Cang-li; CAI Ling-cang

doi:10.11883/1001-1455(2010)01-0105-04

Volume 30 Issue 1

May 2014

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Article Navigation > Explosion And Shock Waves > 2010 > 30(1): 105-108

HU Chang-ming, WANG Xiang, LIU Cang-li, CAI Ling-cang. ApplicationsofDPSarraystestingtechniquetodynamicpropertiesstudyofmaterial[J]. Explosion And Shock Waves, 2010, 30(1): 105-108. doi: 10.11883/1001-1455(2010)01-0105-04

Citation:

HU Chang-ming, WANG Xiang, LIU Cang-li, CAI Ling-cang. ApplicationsofDPSarraystestingtechnique todynamicpropertiesstudyofmaterial[J]. Explosion And Shock Waves, 2010, 30(1): 105-108. doi: 10.11883/1001-1455(2010)01-0105-04

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ApplicationsofDPSarraystestingtechnique todynamicpropertiesstudyofmaterial

doi: 10.11883/1001-1455(2010)01-0105-04

1.
NationalKeyLaboratoryofShock WaveandDetonationPhysics,InstituteofFluidPhysics,

Funds:

NationalNaturalScienceFoundationofChina(10802080)

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Corresponding author: HU Chang-ming
Publish Date: 2010-01-25

Abstract

Abstract

Studyonthedynamicpropertyofmaterialsunderimpactloadingdependscloselyontheprogressofexperimentaltestingtechniques. Thepowergunwitha37-mm-diameterchamberwasusedas theloadingequipment,andK9glasswithinternalpreexisteddefectswaschosenasthesample.Under plateimpactingconditions,Dopplerpinssystem (DPS)testingtechnique,whosespaceandtimeresolutionswere127mand50psrespectively, wasadoptedtomeasurethevelocityhistoryoffreesurfaceslocatedindifferentplacesonsamplesfreesurface. Influenceofinternalpreexisteddefectson thevelocitysignalofsamplesfreesurfacewasanalyzedinbrief,andtheexperimentalmethodto studymaterialsdynamicpropertyfromthepointofmeso-microcosmicviewwasalsodiscussed.
- solidmechanics,
- dynamicmechanicalproperties,
- Dopplerpinssystem,
- K9Glass