Abstract
The present work is focused on the plasma assisted nitriding of martensitic stainless steel at low temperature. Sample coupons of dimensions 8 × 8 × 6 mm3 were cut from the hardened and tempered steel sheet. Following grinding and mirror polishing samples were placed inside the chamber. At a low temperature of 460 °C (±10) nitriding was performed in the plasma generated by nitrogen and hydrogen gas mixture, Nitrided samples were then subjected to hardness measurements. The structural characterization was followed by X-ray diffraction (XRD) studies for the phase analysis. It was shown that even at a low temperature the surface modifies to high hardness for the improved tribological properties.
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