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WANG Bao-zhen, HU Shi-sheng. Dynamiccompressionexperimentsofporcineham muscle[J]. Explosion And Shock Waves, 2010, 30(1): 33-38. doi: 10.11883/1001-1455(2010)01-0033-06
Citation: WANG Bao-zhen, HU Shi-sheng. Dynamiccompressionexperimentsofporcineham muscle[J]. Explosion And Shock Waves, 2010, 30(1): 33-38. doi: 10.11883/1001-1455(2010)01-0033-06

Dynamiccompressionexperimentsofporcineham muscle

doi: 10.11883/1001-1455(2010)01-0033-06
Funds:

NationalNaturalScienceFoundationofChina(10772170)

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  • Corresponding author: HU Shi-sheng
  • Publish Date: 2010-01-25
  • TheconventionalsplitHopkinsonpressurebar(SHPB)hassomelimitationswhenthespecimenissofttissue. The modificationsarenecessarytoensurethereliabilityofSHPBexperiment whichisbasedonone-dimensionalanduniformityassumptions.Pulseshaperswereusedtoachieve stressequilibriuminspecimensandconstantstrainrates.Thequartzcrystalforcetransducerswere introducedforcheckingthedynamicstressequilibriumandobtainingthestresssignals.Theadditional axialstressinducedbyradialinertiaeffectatthebeginningofthedynamicloadingwassubtractedwith anequation.Thestressstraincurvesformuscleswereobtainedatvariousloadingdirectionsandvariousstrainrates. Theresultsshowthatthestressstraincurvesisconcaveupwardasaviscoelasticmaterial. Theleastsignificantdifferencemethodisusedtoexplainthatmechanicalpropertiesofmuscle aresensitivetostrainrateandloadingdirection.Thecompressivestrengthalongthefiberdirectionis weakerthanthatalongtheperpendiculardirectionbecausefibersareinclinedtobucklingwhencompressionloadingsarealongfiberdirections
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