內(nèi)容參考文件

March11,March11,NUAA,Nanjing,Non‐destructiveTestingof–focusingonElectromagneticnon‐destructivetestingInstituteofFluidScience,TohokuHiroyukiKOSUKEGAWA,RyoichiTetsuyaInstituteofFluidScience,Tohoku1CarbonCarbonFiberReinforcedPlasticEddyCurrentTestingofEddyCurrentTestingofCFRP:Numerical2CarbonCarbonFiberReinforcedPlasticEddyCurrentTestingofEddyCurrentTestingofCFRP:Numerical3CarbonFiberReinforcedPlasticCarbonFiberReinforcedPlasticCarbonfiber+PlasticresinStrongerthansteel,lighterthan4CarbonFiberReinforcedPlasticCarbonFiberCarbonFiberReinforcedPlasticCarbonFiber(CFRP,CFRTS)ADEKA+ThermosettingCarbonFiberTorayca?(TorayCarbonThermoplastic5CarbonFiberReinforcedPlasticPAN-based→HighCarbonFiberReinforcedPlasticPAN-based→HighAircraft,civilPitch-→HighAerospace,robotSpecificIron:7.8Aluminum:2.7CFRP:1.8SpecificstrengthofCFRPis10timesofironSpecificelasticityofCFRPis7timesofiron日本機(jī)械學(xué)會(huì)編,B4材料學(xué)?工業(yè)材料,1998年Lightand→Structural6CFRPinVariousCivilNipponGraphiteFiberCFRPinVariousCivilNipponGraphiteFiberTokyoRopeMfg.Co.,ToyotaMotorQualityassurancebynondestructiveinspectionand7LifecycleofLifecycleofQualityassuranceofCFRPshouldbedoneatproperstagesinitsPartlyreferringnewsreleaseofNEDO8FormingTechniquesFormingTechniquesof9FilamentWindingJFEFilamentWindingJFE AsahiHighvolumefractionofAutoclaveVacuumHighperformanceAutoclaveVacuumHighperformanceandreliabilityinmechanicalResinTransferMoldingCompressionofCuringResinTransferMoldingCompressionofCuringHighcost→OutofResinTransferMoldingResinTransferMoldingFiberCarbonCarbonFiberReinforcedPlasticEddyCurrentTestingofEddyCurrentTestingofCFRP:NumericalDefectsinDefectsinFiberCauseofBirdCauseofBirdDexmetCorporation,“LightningStrikeProtectionCarbonFiberAircraft”JAPANAIRLINESNondestructiveTestingMethodsforNondestructiveTestingMethodsforRIGAKUnano3DXX‐rayApplicabilityofNDTfor內(nèi)田盛也編,先端複合材料の設(shè)計(jì)と加工(1988)◎○◎○Other◎◎◎○◎◎○▲◎◎○▲Resincuring▲▲○△△▲◎○FiberApplicabilityofNDTfor內(nèi)田盛也編,先端複合材料の設(shè)計(jì)と加工(1988)◎○◎○Other◎◎◎○◎◎○▲◎◎○▲Resincuring▲▲○△△▲◎○Fiber▲○△○Fiber▲○▲◎Fiber▲○▲○▲○▲◎UltrasonicTestingUTUltrasonicTestingUTdetectsthedamagedareaanditssizebyusingtransducer???EasytoQuickUseinwater,orneedThermographicTestingTTdetectsthedifferenceinheatcapacitancedueThermographicTestingTTdetectsthedifferenceinheatcapacitanceduetotheexistenceofwateroruncuredresin??Veryquick,wide,Onlysubsurface,difficultforcurvedJAXA,JapanThermographicTestingDetectionofcoldThermographicTestingDetectionofcoldspot(water)inhoneycombHPofDetectionofartificialdefectsinhoneycombOgasawaraLab,RadiographicTestingRTdetectsthedifferenceintransmittanceorRadiographicTestingRTdetectsthedifferenceintransmittanceorabsorbanceofX‐ray?????HighSmallsizeforhighresolutionHighcostandlongtimeUseofradioactiveEddyCurrentTestingNon‐destructiveEddyCurrentTestingNon‐destructivetestingofCFRPisgenerallycarriedoutwithUTorTTFlawsinthevicinityofthesurface(forUT)Defectfromfiber(misalignment,ECTdetectsthedifferenceinelectricalandmagnetic?????HighNotapplicableforCarbonCarbonFiberReinforcedPlasticEddyCurrentTestingofEddyCurrentTestingofCFRP:NumericalEddyCurrentTestingECTdetectsdefectbymeasuringinducedvoltageonpickupcoilsbygeneratingeddycurrentinobjectEddycurrentsignalEddyCurrentTestingECTdetectsdefectbymeasuringinducedvoltageonpickupcoilsbygeneratingeddycurrentinobjectEddycurrentsignalEddycurrentskinΦ:Magneticfluxincoil N:TurnnumberofEddyCurrentEddyCurrentTestingProbetypeof,,)ElectricalConductivityofCFRPhasanisotropic=5x10ElectricalConductivityofCFRPhasanisotropic=5x103?5x10410σTTThicknessResin-richElectricalConductivityofPratap,S.B.,andWeldon,W.F.,IEEETransactionsonMagnetics,ElectricalConductivityofPratap,S.B.,andWeldon,W.F.,IEEETransactionsonMagnetics,InducedcurrentpathsfiberandcontactpointsofBBHigherInducedcurrentpathsfiberandcontactpointsofBBHigherfrequency(>10Metal:σ?CFRP:σ>jωε(at>10Lowerfrequency(<10 E：Electricfieldω:angularε:permittivityCheng,H.,etal.JCompositeMater,vol.49(2014)InfluenceofFiberMisalignmentInfluenceofFiberMisalignmentandmisorientationareimportantinmechanicalrelationshipsforUDlaminatesatMeasuredandpredictedstrengthofQIKawai,etal.,JCompositeMater,Yokozeki,etal.,CompositesA,EddyCurrentSignalofEddyCurrentSignaloftypeCrosssectioncuredRelationbetweenprobeangleandsignalfrequency=2MHzGain=50dBCoilimpedance=50Scanarea:20×20mm2Intervaldistance:0.1mmyx0IndicatingmaximumvalueatthedirectionorthogonaltotheC‐scanImageofCFRPbyC‐scanImageofCFRPbyEddyCurrentFiberorientationinCFRPcanbeidentifiedbytheC‐scanimageof2FiberOrientationdetectedby2SeparationoforientationbytheinverseFiberOrientationdetectedby2SeparationoforientationbytheinverseM,N:arbitrarynaturalu,v:frequencycomponentofthespatialwaveinx‐andFFT‐45Scanrange:20×20Urayama,R.,etal.,StudiesinApplElectromagMech,41(2016)CarbonCarbonFiberReinforcedPlasticEddyCurrentTestingofEddyCurrentTestingofCFRP:NumericalNumericalSimulationofReducedMagneticVectorPotentialmethod(ArBydistinguishingthecalculationregionsintocurrentsource(excitingcoil)andpickupcoilandobjectives(CFRP)EdgeelementsareGoverningininVt+Biot-Savart'sBoundaryinNumericalSimulationofReducedMagneticVectorPotentialmethod(ArBydistinguishingthecalculationregionsintocurrentsource(excitingcoil)andpickupcoilandobjectives(CFRP)EdgeelementsareGoverningininVt+Biot-Savart'sBoundaryinNumericalSimulationofECTsignalNumericalSimulationofECTsignalanalysisoffiberorientationby250Eddycurrentdensity,JxUD-Cross-Angle-Cheng,H.,etal.NDT&E,vol.68(2014)NumericalSimulationofECTsignalanalysisoffiberorientationby250YNumericalSimulationofECTsignalanalysisoffiberorientationby250YXNormalizedECTsignalaccordingtotheanglebetweenfiberorientationandTRaxis Angle-Cheng,H.,etal.NDT&E,vol.68(2014)NumericalSimulationofNumericalsimulationNumericalSimulationofNumericalsimulationofcrackSlitdepth=0.5150Slitdepth=1.0Cheng,H.,etal.JCompositeMater,vol.49(2014)CarbonCarbonFiberReinforcedPlasticEddyCurrentTestingofEddyCurrentTestingofCFRP:NumericalNon‐destructiveNon‐destructivetestingofCFRPisimportantforqualityassuranceofstructuralmaterials.