纳米橡胶填充环氧树脂的压缩力学性能

221Vol.22No.120093JOURNALOFNINGBOUNIVERSITY(NSEE)Mar.2009:1001-5132200901-0112-05,*,315211:,()./,(SHPB)MTS,,.:;;;:O346:A(ER)22,,.,.,,,.,.,[1].,100~1000,.,,.,[2],,,[3].2060[4],(CTBN)[5].:(),;,.,,,,,[6,7],[8].CaCO3TiO2[9,10].2008-10-02.::.E-mail:[e-mail]*1957,,,,:.E-mail:[e-mail]1,:113MTSSHPB,.,[11,12].,,[13,14].,,,.11.1,A(VP-501),50~100nm,(MHHPA),1.1/(vol)ER0E51/MHHPA0ER3E51/MHHPA/Nanorubber3ER6E51/MHHPA/Nanorubber6ER9E51/MHHPA/Nanorubber9,[15],1VP-501,,.1.2MTS(:810MaterialTestSystem),,Hopkinson.6mm10mm.0.01s-10.001s-12.,,.,0.01kN.,5.,231VP-50120.001s-130.01s-11142009.:,,.,,,,“”;,,.1.3(SHPB),/,6mm10mm.,4.2(1500s-13000s-1)45.,41500s-153000s-1,,3000s-1,2,.22.1,,,.,,.67:(1),,,,671,:115,;(2),,,,.2.2,,,.Mori-TanakaHashin-Shtrikman,,—–.:2MPa;0.49;;0.3.89.89:,,,,,,,.3,,,.,:(1)/,;(2),,,,;(3),,,,,.80.01s-190.001s-11162009:[1],.[J].,1987(5):8-11.[2],.[M].:,2005.[3],,.[J].,1991,12:5-8.[4],.[J].,1988(2):101-105.[5]TingRY.Theroleofthepolymericmetrixintheprocessingandstructuralpropertiesofcompositematerials[J].JournalofPolymerScience,1983,12:171-177[6]YeYueping,ChenHaibin,WuJingshen.Highimpactstrengthepoxynanocompositeswithnaturalnanotubes[J].Polymer,2007,48:6426-6433.[7]BerndWerzel,PatrickRosso,FrankHaupert.Epoxynanocomposites-fractureandtougheningmechanisms[J].EngineeringFractureMechanics,2006,73:2375-2398.[8]YuSirong,HuHaixia,MaJun.Tribologicalpropertiesofepoxy/rubbernanocomposites[J].TribologyInternational,2008,12:1-7[9],,,.PPS/GF/CaCO3[J].,2006,34:8-19.[10],,,.TiO2PP[J].2005,22:100-106.[11].[J].,2004(1):9-19.[12].[J].,2001,31:361-393.[13]MuraT.Micromechanicsofdefectsinsolids[M].2nd.Dordrecht:MartinusNijhoff,1987.[14],,,.[J]..2005,21:24-27.[15],.[J].,2003,17:58-62.TheMechanicsPropertiesofEpoxyResinFilledbyNano-rubberParticlesLIAOShao-kai,YANGLi-ming*(MechanicsandMaterialScienceResearchCenter,NingboUniversity,Ningbo315211,China)Abstract:Nano-compositesareprovidedwithoutstandingpropertiesdifferentfromordinarymaterial,insomecases,materialsmayberesistdynamicloadsfromexplosionsandhigh-speedimpact.Consequently,itisimperioustounderstandthereinforcingandtoughingeffectandmechanismofnano-particlesunderbroadstrainrates(fromquasistatictodynamic).Thispaperhascarriedonsomeexperimentsofepoxyresinfilledbynano-rubberparticlesthroughSplitHopkinsonPressureBar(SHPB)andMTS,andhavegainedtheirmechanicsproperties.Inthemeanwhile,comparingtheresultsofmicromechanics,themodifiedeffectsofnano-rubberparticlesarediscussed.Keywords:nano-composite;reinforcingandtoughing;quasistaticanddynamicmechanicsproperties;micromechanicsCLCnumber:O346Documentcode:A