Flux effect on the ion-beam nitriding of austenitic stainless-steel AISI 304LNitrogen and boron implantation into austenitic stainless steel Microstructure and corrosion resistance of plasma source ion nitrided austenitic stainless steel

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Metals that form dense native surface oxide layers challenge plasma diffusion treatment techniques. Experimental results obtained during nitriding of stainless steel from real-time depth-resolved compositional analysis by elastic recoil detection give insight into the transport kinetics. In agreement with semiquantitative considerations on the oxide removal and the oxide growth, the interplay of sputtering and oxidation emerges as a key parameter. On this background, suggestions for practical applications and optimization of the modification processes are given for different plasma diffusion treatment techniques.

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