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A1A0I摘要复合材料正在越来越广泛的被应用于航空航天领域。复合材料占到全机结构质量的50,碳纤维/双马来酰亚胺树脂复合材料已应用飞机的主承力件和次承力件,由于大幅减轻了机重,提高燃油效率达20。但因碳纤维/聚合物基复合材料其自身的不足,如复合材料易分层、界面粘接和剪切强度不高,影响了复合材料的各项性能。为了解决这些问题,本课题采用对碳纳米管进行胺化化改性的方法制备了胺化碳纳米管/碳纤维/双马来酰亚胺树脂三相复合材料。通过研究确定了模压成型碳纳米管/碳纤维/双马来酰亚胺复合材料的制备工G14414,G2265G6336双马来酰亚胺树脂的G20056聚和G3278化工G14414,G20056G9036料制备工G14414和模压成型工G14414。对碳纳米管进行了胺化化改性G5194用其制备了碳纳米管/碳纤维/双马来酰亚胺复合材料。研究了碳纳米管的胺化G2462胺化碳纳米管的G2559量对复合材料力G4410性能和G9299G9921G13781化性能的影响。通过力G4410性能、DMA、SEMG8991G16809G6175G8585G2499G11705,胺化CNTSG2499G7138G7186改G2904G1319G13007的力G4410性能和G9299G9921G13781化性能,G19555CNTSG2559量的G3698G2164G1926G1999强度、G5379G7366性能G3355提高,G5415胺化碳纳米管G2559量为15WTG7114复合材料的G1926G1999强度和G5379G7366强度G2462模量G7380G3921,分G2047达到了2861KJ/M2和116166MPAG24627382GPA。G2559胺化化碳纳米管的复合材料的G9299G9921G13781化性能G1075高于G2559G7422胺化化碳纳米管的复合材料,G5415CNTSG2559量G17241过G980定量G7114分G6967性G2476G5058,三相复合材料的力G4410性能和G13796G9299G9921性能G2465G13792G2588G991G19489G17247G2195。通过进行G6207G6563G11017G19248G16278G4531G6518G16764了胺化碳纳米管对复合材料的G3698强机G10714。结G7536G15932G7138,碳纳米管的胺化G2499G1209提G2331碳纤维G994树脂基G1319的G9036G9082性G2462碳纳米管本身G994树脂基G1319的界面结合强度,G1186G13792提G2331复合材料的性能。A2A3A4A2A3A5A6A7A8A9A10A11A12A13A14A15A16A17A9A6A18A19A20A9A21A22A23A24A25A26A9A27A28A29A30A9A31A32A33A34A9A35A36A37A38A33A34ABSTRACTIIABSTRACTCOMPOSITEMATERIALSARENOWADAYSBEINGMOREANDMOREWIDELYUSEDINAEROSPACEAREACOMPOSITESACCOUNTFORTHEQUALITYOFTHEWHOLEMACHINESTRUCTURE50CF/BMICOMPOSITEMATERIALISALSOUSEDASMAINLOAD_BEARINGPARTSANDSUB_BEARINGPARTSOFAIRCRAFTSBECAUSEOFSHARPLYREDUCEDTHEMACHINEWEIGHT,IMPROVEFUELEFFICIENCYBY20HOWEVER,BECAUSEOFTHEMOLECULARSTRUCTUREOFBISMALEIMIDERESIN,THECOMPOSITEMATERIALISBRITTLEANDEASYTOBREAKTOSOLVETHESEPROBLEMS,THISPAPERPREPAREDANEWKINDOFCARBONNANOTUBES/CARBONFIBERS/BISMALEIMIDECOMPOSITEMATERIALWITHTHEMETHODOFCARBONNANOTUBESANIMATIONTHEMOLDINGPROCESSOFMULTI_WALLEDCARBONNANOTUBESMWNTS/CARBONFIBERS/BISMALEIMIDECOMPOSITESWASINVESTIGATED,INCLUDINGPREPOLYMERIZATIONANDCURINGPROCESSOFBISMALEIMIDE,PREPARATIONOFPREPREGANDMOLDINGPROCESSOFCOMPOSITESMWNTSWEREMODIFIEDWITHAMINEGROUPSANDCOMPOSITESWITHMODIFIEDMWNTSANDCARBONFIBERSWEREPREPAREDTHEINFLUENCEOFAMINATIONMODIFICATIONANDTHECONTENTOFMODIFIEDMWNTSONMECHANICALANDWETNESSPROPERTIESOFCOMPOSITESWERESTUDIEDAMINATEDCNTSCOULDOBVIOUSLYIMPROVEMECHANICALTHERMALANDWETNESSPROPERTIESOFTHETHREE_PHASECOMPOSITESINVIRTUEOFDMAANDSEMBESIDESA39THEINCREASEOFIMPACTSTRENGTHA39FLEXURALSTRENGTHOFCOMPOSITESMATERIALWITHTHECNTSCONTENTCOMPOSITESWITHTHECONTENTOF15WTMODIFIEDMWNTSPOSSESSTHEHIGHESTIMPACTSTRENGTH2861KJ/M2ANDFLEXURALSTRENGTH116166MPAANDMODULUS7382GPATHETHERMALANDWETNESSAGINGPROPERTIESOFCOMPOSITESWITHAMINATEDMWNTSISHIGHERTHANTHATWITHPUREMWNTSTHEMORECNTSCONTENTA39THEWORSEOFDISPERSIONPROPERTIESA39THEIMPACTSTRENGTHA39THERMALANDWETNESSPROPERTIESOFTHETHREE_PHASECOMPOSITESWEREDECREASEDENHANCEMENTMECHANISMOFMODIFIEDMWNTSWASDISCUSSEDWITHSCANNINGELECTRONMICROSCOPETHEEXPERIMENTALRESULTSSHOWEDTHATTHEAMINATIONOFMWNTSIMPROVEDTHEWETTINGPROPERTYOFPOLYMERMATRIXANDTHEINTERFACIALADHESIONSTRENGTHBETWEENMWNTSANDPOLYMERMATRIX,WHICHTHUSIMPROVEDTHEPROPERTIESOFTHECOMPOSITESKEYWORDSCARBONNANOTUBESCARBONFIBERSBISMALEIMIDETHREE_PHASECOMPOSITESMOLDINGPROCESSA39MECHANICALPROPERTIESA39THERMALANDWETNESSAGINGA40A41III目录1引言511课题G13984G7235G2462G5859G1053512G3281G1881G3818研究G10628G103786121A42A43A44A45A46A47A48A49A50A516122A52A53A54A55A567123A52A57A58A59A55A56813G1016相复合材料研究8131A52A53A54/A60A61A62A63A64A65A66A67A68A69A70A71A72A73A748132A52A57A58A59A75A76A60A61A62A63A64A65A66A67A68A69A70A71A72A73A741014三相复合材料研究13141A52A57A58A59/A52A53A54/A77A69A78A79A66A67A68A69A70A71A72A73A741315G4410G7427G5617G173471416研究方G7708162实验部分1821G4466G20576G2419料1822G4466G20576G1214G31321923G4466G20576G1881G449319231A52A57A58A59A72A65A80A8020232A60A61A62A63A64A65A81A77A66A67A72A82A8320233A81A84A71A82A8320234CNTS/CF/BMIA66A67A85A86A68A69A70A71A87A88A89A902124G15932G5461G2462G8991G1680922241A91A92A93A94A95FT_IRA96A97A9822242A99A100A76A101A102A10322A104A105IV243A106A107A108A109A102A10322244A110A111A112A80A108A109A102A10322245A113A114A112A80A108A109A102A10323246A115A116A117A118A119A120A121A97A122A123A124A125A126233结果与讨论2431双马来酰亚胺基三相复合材料制备工G14414的研究24311A60A61A62A63A64A65A79A85A86A68A69A70A71A87A88A89A90A127A128A72A73A7424312A60A61A62A63A64A65A79A85A86A68A69A70A71A129A80A127A128A72A73A7426312A60A61A62A63A64A65A66A67A81A77A127A128A72A73A742732双马来酰亚胺基三相复合材料力G4410性能的研究27321A52A57A58A59A130A85A86A68A69A70A71A99A100A76A101A72A131A13228322A52A57A58A59A130A85A86A68A69A70A71A106A107A108A109A72A131A1322933双马来酰亚胺基三相复合材料G13781化性能的研究30331A85A86A68A69A70A71A110A111A112A80A108A109A72A73A7430332A85A86A68A69A70A71A113A114A112A80A108A109A72A73A743334双马来酰亚胺基三相复合材料强G19899化机G10714研究344结论与展望3441结G167823442G4649G740735参考文献36谢辞381A133A13451引言11A135A136A137A138A139A140A141A136A137A139A140A142A143A144A145A146A147A148863A149A150A151A152A153A147A154A155A156A157A158A159A160A161A162A163A164A165A166A167A168A169A170A171A172A173A174A175A176A177A178A179A180A181A182A174“A183A184A185”A179A180A181A182A156A186A187A188A189A190A187A191A192A193A194A195A194A196A197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