The Fatigue Behaviour of Type 304 ss at 550 °C in Flowing Sodium
The purpose of the present investigation is to determine the effects of a high temperature flowing sodium environment on the low cycle fatigue behaviour of the austenitic steel X 6 CrNi 18 11 (AISI Type 304 ss). The effects of the sodium on the structural material are influenced by the oxygen concentration of the sodium and by mass transfer phenomena, which occur in non-isothermal flowing sodium. In order to gain representative test results for the corrosive conditions of a LMFBR system it is necessary to perform the fatigue tests in a non-isothermal sodium loop.
KeywordsFatigue Test Fatigue Behaviour Strain Range Secondary Hardening Fatigue Lifetime
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