Abstract
Abstract Nitrogen of doses of 5×10 16 , 1×10 17 and 5×10 17 ions cm −2 was implanted into bearing steel (52100) samples for surface corrosion protection. The implantation was performed by using nitrogen plasma source ion implantation (PSII). The nitrogen distribution and nitride identification were determined by Auger electron spectroscopy and glancing angle X-ray diffraction (XRD), respectively. The corrosion resistance was monitored by using a linear polarization test. XRD measurements confirmed that a thin layer of multiphase iron nitrides was formed on top of the samples after the PSII treatment. The treated bearing steel samples showed a significantly improved corrosion resistance compared with the untreated samples.
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