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Creep–fatigue interaction (CFI) behavior of 316LN stainless steel with varying nitrogen content (0.07, 0.14 and 0.22wt.%) is investigated at temperature of 873K under strain-controlled fatigue tests with a tensile-hold period of 1, 13.3 and 30min. Dynamic strain aging, thermal-recovery and/or dislocation–precipitate interactions are found to strongly control CFI deformation. At all the nitrogen contents...
Effect of nitrogen on the creep deformation behaviour and the dislocation substructure development and precipitation on creep exposure in 316LN austenitic stainless steel has been studied. Four heats of the steel with nitrogen in the range 0.07 - 0.22wt. % were melted Creep tests on the steels were carried out at 923K over a stress range of 140 - 225MPa. Norton's law (έ = Aσ n ) relating steady...
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