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Unidirectional Natural Fibre Reinforced Composite :Effect of Surfacing Veil Application on the Properties of Pultruded Composites  
Unidirectional Natural Fibre Reinforced Composite :Effect of Surfacing Veil Application on the Properties of Pultruded Composites
資料類型: PDF文件
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資料大?。?/td> 105K
所屬學(xué)科: 分子表征
來源: 第六屆亞歐研討會上處理和性能增強(qiáng)聚合物會議文集(2013.6.2-6 武漢)
簡介:
Naturalfiberreinforcedcompositesareexpectedtobecomeapopularchoiceoversyntheticandtraditionalmaterialwhenlightweight,greenandenergyconservationareconcernedcl,2]Inthisstudy,pultrudedkenaffiberreinforcedcomposites(PKFRC‘s)containing70%kenaffiberbyweightwasproduced.ThreedifferenttexesofkenafyarnfiberwereusedtomanufacturePKFRC,s.Inaddition,surfacingveil(SV)wasintroducedtotheouterlayerofeachPKFRC.Theeffectofdifferenttexesandsurfacingveilwassimultaneouslystudied.Eachcompositewassubjectedtonaturalweatheringexposefor200daysandalsohygrothermalagingfor1000hoursindistilledwater,seawaterandacidicsolutionattemperatureof650C.Theresultsshowedthatdifferenttexnumbersusedgivedifferentmechanicalpropertiesofcompositessamples.Fornaturalweatheringexposurestudy,PKFRCwithtexnumber1400specimenabsorbedtheleastmoisturefollowedbytexnumber2200andthehighestwastexnumber3300.PKFRCwithSVshowedlowermoistureuptakethanPKFRCwithoutSVinallthegivenenvironments.Similarbehaviorwasobservedforhygrothermalagingstudy.Smallertexnumberofkenafyarngivebetterwaterabsorptionandmechanicalpropertiesascomparedtobiggertexnumberofkenafyarn.Theflexuralandcompressiontestshoweddecreasinginmechanicalpropertiesafterprolongedexposures.PKFRCspecimenwithSVwasobservedtohavehighermechanicalpropertiesthanPKFRCwithoutSV.Theinvasionofmoisturefromhumidenwronmentswassuspectedtobethemajorfactorthathadledtode-bondingandhadweakenedthefiber-matrixinterfacesofthecomposite,hencereducingtheoverallperformanceofPKFRC.
作者: M. H. Zamri, H. M. Aki1, Z. A.Mohd.Ishak
上傳時(shí)間: 2013-06-21 15:03:22
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