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金属学报(英文版) 1998
A PROBABILISTIC ASSESSMENT OF TEMPERATURE EFFECTS ON THE LOW CYCLE FATIGUE BEHAVIOUR OF 1Cr_(18)Ni_9Ti STEEL WELD METAL
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Abstract:
1.IntroductionFatigueistakenasapotentialfailuremodeintheRulesforConstructionofNuclearPowerPlantComponentsofASMESectionill1].ThedesignS-NcurveisdevelopedfirstlybyusingtheLangerS--Nmodel21fittingthedataofvirtualstressamplitudeandcyclestocrackinitiation,whichareobtainedfromuniaxialstrain-controlledtestonsmall-sizepolishedbarspecimensinairenvironment,toobtainameanbest--fitcurve.Next,twotypesofcorrection,ameanstresscorrectionandatemperaturecorrection,areappliedtothemeancurve.Then,thedataar…
