Abstract

This investigation aims to enhance both wear and corrosion resistance of interstitial-free (IF) steel through deposition of pre-determined thickness of pure Sn or Zn or alternate elemental Sn–Zn layers by twin-target magnetron sputtering at desired deposition rate. The thickness, average grain size, hardness and resistance to wear and corrosion of the deposit depend on the deposition parameters. Deposition of either Sn or Zn from single target seems more effective than that from twin target in improving these tribo-corrosion properties of IF steel. The results indicate that sputter deposition of Sn or Zn offers a superior wear and corrosion resistance to galvanized steel and can be a potential route to replace the conventional practice of hot dip galvanizing for the said objective.

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