NRC Revises Draft Guidance Related to Effects of LWR Coolant Environments on the Fatigue Life of Reactor Materials
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The NRC is requesting comment on draft NUREG, NUREC/CR-6909, Revision 1 “Effect of LWR Coolant Environments on the Fatigue Life of Reactor Materials.” This report summarizes the results of NRC research efforts and work performed at Argonne National Laboratory on the fatigue of piping and pressure vessel steels in light water reactor environments. Revision 1 of this report provides updates and improvements to the environmental fatigue correction factor approach based on an extensive update to available laboratory fatigue data from testing and results available since this report was first published in 2007. Comments are due by June 2, 2014.
To access the Federal Register notice, click here.
To access the draft NUREG/CR-6909, click here.