SYMPOSIUMONFATIGUETESTSOFAIRCRAFTSTRUCTURES:LOW-CYCLE,FULL-SCALE,ANDHELICOPTERSPresentedattheFOURTHPACIFICAREANATIONALMEETINGAMERICANSOCIETYFORTESTINGANDMATERIALSLosAngeles,Calif.,Oct1-3,1962Reg.U.S.Pat.Off.ASTMSpecialTechnicalPublicationNo.jj8Price$10.50;toMember.s$7,35PublishedbytheAMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceSt.,Philadelphia3,Pa.BYAMERICANSOCIETYFORTESTINGANDMATERIALS1963LibraryofCongressCatalogCardNumber:63-15793PrintedinBaltimore,Md.September,1963FOREWORDThepapersinthisSymposiumonFatigueofAircraftStructureswerepresentedduringfoursessionsheldonOctober1-3,1962,attheFourthPacificAreaNationalMeetingoftheSociety,LosAngeles,Calif.Thesymposium,sponsoredbyCommitteeE-9onFatigue,wasorganizedintothreebroadcategories.ThefirstsectiononLow-CycleFatiguewasorganizedbyIvanRattingerofAerospaceCorp.ThesecondgroupofpapersdealingwithHelicopterFatigueProblemswasorganizedbyM.J.McGuigan,Jr.,ofBellHelicopterCorp.Thefinalsectionofthissymposium,onProblemsinDesignandEvaluationsofFull-ScaleStructures,waspresentedundertheleadershipofM.S.RosenfeldoftheNavyAirMaterialCenter.Theover-allchairmanofthesymposiumprogramwasH.F.Hardrath,NationalAeronauticsandSpaceAdministration.Atranscriptofthepaneldiscussiononlow-cyclefatigueheldduringthissymposiumwassuppliedbyIvanRattinger.PresidingoflScersofthesessionswereR.E.Peterson,WestinghouseElectricCorp.;F.B.Stulen,Curtiss-WrightCorp.;H.J.(rover,BattelleMemorialInst.;andT.J.Dolan,L^niversityofIllinois.ActingassessionchairmenwereMessrs.McGuigan,Hardrath,Rattinger,andRosenfeld.NOTE.—TheSocietyisnotresponsible,asabody,forthestatementsandopinionsadvancedinthispublication.CONTENTSIntroduction—H.F.Hardrath1Low-CycleFatigueLow-CycleAxialFatigueBehaviorofMildSteel—J.T.P.YaoandW.H.Munse..5TheEffectofMeanStressonFatigueStrengthofPlainandNotchedStainlessSteelSheetintheRangefrom10to10'Cjxles—W.J.BellandP.P.Benham25Low-CycleFatigueofCharacteristicsofUltrahigh-StrengthSteels—C,M.Carman,D.F.Armiento,andH.Markus47Low-CycleFatigueofTi-6A1-4Vat-423F—...
