Abstract
AnevaluationmethodforthefatiguestrengthofFRP/metaladhesivejoints,suchasdoublelapjointsandembeddedjoints,consideringmeanstresswasstudiedanalyticallyandexperimentallyThestresssingularityparametersundei､mechanicalloadingsandthermalloadingswereanalyzedbyFEMforvariousdelaminationlengths・Inthecaseofdoublelapjoints,theintensityofstresssingularitysteadilyincreasedinaccordancewiththeincreaseindelaminationlength.Itisthereforeconcludedthatfatiguestrengthofthedoublelapjointisdeterminedbytheinitiationconditionindelamination.Thefatiguestrengthsofdoublelapjointsweremeasuredforvariousmeanstresses.Bycomparingtheanalyticalintensityofstresssingularityandtheexperimentalresults,weobtainedtheevaluationmethodforthefatiguestrengthofadhesivejointsconsideringmeanstress.
