Enhanced corrosion resistance of austenitic stainless steel by plasma immersion ion implantation of nitrogen

Pham, Minh Tan; Ram Mohan Rao, Kuppili; Manna, I.; Richter, Edgar

Enhanced corrosion resistance of austenitic stainless steel by plasma immersion ion implantation of nitrogen

Pham, M. T.; Ram Mohan Rao, K.; Manna, I.; Richter, E.

Surface coating on austenitic stainless steel 304 (ASS) was generated by plasma immersion ionimmplantation (PIII) of nitrogen. The corrosion resistance was shown to increase by ca. four orders of magnitude. A barrier layer produced by PIII was observed to restrict the underlaying alloy surface exposed to the corrosion environment.

Keywords: corrosion; stainless steel; surface coating; ion beam treatment

Journal of Materials Science Letters 22 (2003) 1099-1100

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