The effects of prior-deformation on anodic dissolution kinetics and pitting behavior of 316L stainless steel

Junjie Chen, Qian Xiao, Zhanpeng Lu, Xiangkun Ru, Guangdong Han, Yongwu Tian, Tetsuo Shoji

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

The effects of prior-deformation produced by cold roll on anodic dissolution and pitting behaviors of 316L stainless steel (SS) in sulfuric acid solutions with chlorides are investigated by electrochemical mesurements, materials microstructure anlysis and surface analysis techniques. Cold roll decreased the S3 CSL grain boundaries proportion and increased the local misorientation in 316L SS. The effect of cold roll was more significant in sulfuric acid solution with chlorides than in chloride-free solution. Chlorides and cold roll had a synergistic effect on accelerating anodic dissolution. The current densities under potentiostatic polarization, pits numbers and open pit diameters increased with increasing applied potentials for both solution annealed 316L SS and cold rolled 316L SS. Cold roll increased the number of pits and decreased the pit size at a certain applied potential.

Original languageEnglish
Pages (from-to)1395-1415
Number of pages21
JournalInternational Journal of Electrochemical Science
Volume11
Issue number2
Publication statusPublished - 2016 Jan 1

Keywords

  • Anodic dissolution
  • Chloride ion
  • Electrochemical behavior
  • Pitting corrosion
  • Prior-deformation
  • Stainless steel

ASJC Scopus subject areas

  • Electrochemistry

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