UHMWPEPCH复合材料性能研究

:2008-09-20:(50773019):,1984,,E-mail:[e-mail]/PCH(,200237)(UHMWPE),UHMWPE(PCH),UHMWPE/PCH,,UHMWPE/PCH,,PropertiesofUHMWPE/PCHCompositeMaterialZhuDanWangYaoxianZhangXingluChengShujun(KeyLaboratoryforUltrafineMaterialsofMinistryofEducation,SchoolofMaterialsScienceandEngineering,EastChinaUniversityofScienceandTechnology,Shanghai200237)AbstractInthispaper,wechoseultrahighmolecularweightpolyethylene(UHMWPE)fiberasreinforcementandpurehydrocarbon(PCH)resinwiththestructuresimilartothenonpolarUHMWPEfiberandagoodwettabilitytothefibersurfaceasmatrix.TheUHMWPE/PCHcompositematerialwasmanufacturedbyhotpressmolding.Theme2chanicalproperties,dielectricproperties,waterabsorption,hygroscopicityandinterfacialadhesionwerecharacterizedbySEM,dielectricspectrometerandsoon.TheresultsshowthatUHMWPE/PCHcompositepossessesbettermechan2icalproperties,excellentdielectricproperties,lowwaterabsorption,lowhygroscopicityandgoodadhesion.KeywordsCompositematerials,Electromagneticmicrowave2transmittingmaterials,Dielectricproperties0(UHMWPE)(0197g/cm3),,,100GPa,37GPa,,,,[12]UHMWPE,,,,,UHMWPE,,[3],,UHMWPE(PCH),UHMWPE/PCH11.1UHMWPEDSM;PCH1.2PCH,1.3UHMWPE,801h,,9220091,,,,,UHMWPE1.41.4.1GB144783,GB144983,GB1450.1831.4.220mm2mm,NOVOCONTROLConcept40()(tan)1.4.3GB25748150mm50mm704h,2524h,,1.4.4GB257481,(602),(953)%,(168h),24h,1.4.5EDAX,22.1UHMWPE/PCH11UHMWPE/PCHTab.1MechanicalpropertiesofUHMWPE/PCHcompositeswithdifferentresinmasscontent/%/MPa/GPa/MPa514268.3125534418.61575551212.61485747511.71405945910.4137624479.31351,UHMWPE/PCH,,55%,,512MPa,12.6GPa,,,53%,157MPa2.22.2.1UHMWPE/PCHtan11,25120,tan1UHMWPE/PCHFig.1TemperaturevsdielectricpropertiesofUHMWPE/PCHcomposite2.2.2UHMWPE/PCH22,,tan2UHMWPE/PCHFig.2FrequencyvsdielectricpropertiesofUHMWPE/PCHcomposite2.3,,UHMWPE/PCH2,53%,03200910.28%2UHMWPE/PCHTab.2WaterabsorptionofUHMWPE/PCHcompositewithdifferentresinmasscontent/%/%510.49530.28550.33570.34590.36620.442.4,,,-UHMWPE/PCH33UHMWPE/PCHFig.3ImbibitioncurvesofUHMWPE/PCHcompositewithdifferentresinmasscontent3,,,UHMWPEPCH,,51%62%,168h,0.6%;,,,53%,UHMWPE/PCH0.43%,,UHMWPEPCH,,2.5UHMWPE/PCH44,UHMWPE,UHMWPE,UHMWPE/PCH(55%)15.2MPa,PCHUHMWPE4UHMWPE/PCHSEMFig.4SEMphotographoftensilefracturemorphologyofUHMWPE/PCHcomposite3(1)UHMWPE/PCH,55%,512MPa,12.6GPa;53%,157MPa(2)UHMWPE/PCH,1MHz2.29,tan111210-3,(3)UHMWPE/PCH,53%,0128%;168h,UHMWPE/PCH0.43%(4)UHMWPE/PCHSEM,UHMWPE,15.2MPa,PCHUHMWPE1,,..,2002;(8):l3l62,..,1997;27(4):24263AndreopoulisAG,TarantiliPA.AreviewonvarioustreatmentsofU2HMPEfiber.JournalofElastics,1998;30(2):118132()1320091