Abstract

This study investigates the influence of hydrogen on the pitting behavior of tellurium-modified 38MnVS6 Non-quenched and Tempered steel (NQTS). Hydrogen primarily accumulates at the interface between inclusions and the matrix, reducing the local pH of pits in corrosive solution. For specimens charged for 12 h, hydrogen blisters gradually rise in size and number with the increase of tellurium (Te) content, resulting in higher local stress and facilitating the pitting formation.

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