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    • Keywords


      Nitrogen implantation; stainless steel; X-ray diffraction; corrosion.

    • Abstract


      This work presents the results of a low-energy nitrogen ion implantation of AISI 304 type stainless steel (SS) at a moderate temperature of about 500° C. The nitrogen ions are extracted from a Kauffman-type ion source at an energy of 30 keV, and ion current density of 100 𝜇A cm-2. Nitrogen ion concentration of $6 \times 10^{17}$, $8 \times 10^{17}$ and 1018 ions cm-2, were selected for our study. The X-ray diffraction results show the formation of CrN polycrystalline phase after nitrogen bombardment and a change of crystallinity due to the change in nitrogen ion concentration. The secondary ion mass spectrometry (SIMS) results show the formation of CrN phases too. Corrosion test has shown that corrosion resistance is enhanced by increasing nitrogen ion concentration.

    • Author Affiliations


      M Ghorannevis1 A Shokouhy1 M M Larijani1 2 S H Haji Hosseini M Yari1 A Anvari3 M Gholipur Shahraki1 4 A H Sari1 M R Hantehzadeh1

      1. Plasma Physics Research Center, Science and Research Campus of Islamic Azad University, P.O. Box 14665-678, Tehran, Iran
      2. Center of Nuclear Agriculture and Medicine Research, Atomic Energy organization, Karj
      3. Department of Physics, Sharif University, Tehran, Iran
      4. Department of Physics University of Tehran, North-Kargar St, Tehran, Iran
    • Dates

  • Pramana – Journal of Physics | News

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