学科分类
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12 个结果
  • 简介:Mechanicalandphysicalproperties,suchastensilestrength,elongationatbreak,modulusofelasticity,ShoreDhardness,meltflowrate(MFR),andelectricalandthermalconductivitiesofcompositeswithhighdensitypolyethylenematrixreinforcedwithAlpowderswereinvestigatedexperimentally.Measurementsofthemechanicalandphysicalpropertieswereperformeduptoareinforcingcomponentconcentrationof30%volumeAlpowderandcomparedwithmathematicalmodelsfromtheliterature.Theobtainedresultshaveshownthatexperimentaldatawereingoodagreementwiththeoreticaldata.Theultimatetensilestrength(UTS)andelongationatbreakdecreasedwithincreasingAlpowdercontent,whichwasattributedtotheintro-ductionofdiscontinuitiesinthepolymerstructure,andmodulusofelasticityincreasedwithincreasingAlcontent.Thecompositepreparationconditionsallowedtheformationofarandomdistributionofmetallicparticlesinthepolymermatrixvolumeforsystemhighdensitypolyethylene-Al(HDPE-Al).TherewasaclusterformationofAlparticlesathigherAlcontentsinthepolymermatrix.ElectricalandthermalconductivityvaluesofHDPE-AlcompositeswerehigherthanpureHDPEvalues.

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