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

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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.

Abstract

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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