%0 Journal Article
%T StatisticalTensileStrengthforHighStrainRateofAramidandUHMWPEFibers
%A YANGBin
%A XIONGTao
%A XIONGJie
%J ²ÄÁϹ¤³Ì
%P 46-50
%D 2006
%X Dynamictensileimpactpropertiesofaramid(Technora)andUHMWPE(DC851)fiberbundleswerestudiedattwohighstrainratesbymeansofreflectingtypeSplitHopkinsonBar,andstress-straincurvesoffiberyarnsatdifferentstrainrateswereobtained.Experimentalresultsshowthattheinitialelasticmodulus,failurestrengthandunstablestrainofaramidfiberyarnsarestrainrateinsensitive,whereastheinitialelasticmodulusandunstablestrainofUHMWPEfiberyarnsarestrainratesensitive.Afiber-bundlestatisticalconstitutiveequationwasusedtodescribethetensilebehaviorofaramidandUHMWPEfiberbundlesathighstrainrates.ThegoodconsistencybetweenthesimulatedresultsandexperimentaldataindicatesthatthemodifieddoubleWeibullfunctioncanrepresentthetensilestrengthdistributionofaramidandUHMWPEfibersandthemethodofextractingWeibullparametersfromfiberbundlesstress-straindataisvalid.
%K aramidfiber
%K UHMWPEfiber
%K impactbehaviour
%K statisticalproperties
%K statisticalconstitutiveequation
%U http://jme.biam.ac.cn/CN/Y2006/V0/I5/46