Performance of nitrogen ion-implanted supermartensitic stainless steel in chlorine- and hydrogen-rich environments

Modified supermartensitic stainless steel surfaces were investigated as protective means against deterioration in Cl−- and H+-rich media. Nitrogen plasma immersion ion implantation at the 300–400 °C range produced top nitride-rich layers (with mainly γ′-Fe4N and ε-Fe2-3N, but also with α′N, accordin...

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