Applied Physics A

, Volume 51, Issue 5, pp 411–418

ESCA studies of nitrogen-containing stainless steels

  • A. S. Lim
  • A. Atrens
Surfaces and Multilayers

Abstract

ESCA examination of films formed on nitrogen-containing stainless steels after immersion in 0.1 M NaCl revealed that nitrogen was enriched in the outer 0.5 nm of the film at a concentration a few times higher than in the substrate. The N(1s) binding energy varied from 399.6–399.7 eV at the outermost surface of the film to 398.3–398.8 eV in the film at a depth of about 0.5 nm. This indicates a change in the chemical state of nitrogen upon exposure of the nitrogen-containing stainless steels to the solution, and furthermore, that the surface nitrogen enrichment could be of significance in the improved pitting resistance.

PACS

68.45.v 81.60.Bn 

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Copyright information

© Springer-Verlag 1990

Authors and Affiliations

  • A. S. Lim
    • 1
  • A. Atrens
    • 1
  1. 1.Department of Mining and Metallurgical EngineeringUniversity of QueenslandSt. LuciaAustralia

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