Element-resolved electrochemical analysis of the passivity of additively manufactured stainless steel 316L

S. Choudhary, V. Cruz, A. Pandey, S. Thomas, N. Birbilis

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The dissolution and passivation behavior of additively manufactured stainless steel 316L (AM-316L) prepared via selective laser melting was studied in quiescent 0.6 M NaCl. In a detailed comparison with the wrought stainless steel 316L (W-316L), it was determined via mass spectroelectrochemistry and x-ray photoelectron spectroscopy (XPS), that AM-316L exhibited a unique passive film relative to W-316L, resulting in a lower dissolution rate. The dissolution and enrichment of all alloying elements at open circuit potential and during polarisation were studied and elaborated.

Original languageEnglish
Article number109576
Number of pages9
JournalCorrosion Science
Publication statusPublished - 15 Aug 2021


  • Additive manufacturing
  • Passivity
  • Pitting
  • Spectroelectrochemistry
  • Stainless steel
  • XPS

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