Abstract

The Stress Corrosion Cracking has been observed in a component of low carbon austenitic stainless steel in the BWRs. It is necessary to examine various factors on the SCC crack propagation for the operation and maintenance and the reliability securing of the aged plant. In this study, the effect of the cyclic load that causes it for SCC crack propagation in simulated BWR environment is examined by using the CT specimen of cold-rolled stainless steels (SUS316L). As a result of the examination, the retardation phenomenon was observed as for the SCC crack immediately after the cyclic load was received.

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