Abstract
Scanning vibrating electrode technique (SVET) that is a reliable method for local measuring of electrochemical potential at the sample surface is used to study stress corrosion cracking of 304L stainless steel in 0.1 M NaCl+HCl solution at room temperature. SVET maps showed a periodic emergence and receding as well as a forward mobility of an active anodic front. This behaviour could indicate a step-wise and discontinuous crack propagation mechanism. SEM images revealed the presence of a side crack adjacent to the main crack which confirms the presence of an expanded anodic front in SVET maps.
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