Micro-electrochemical characterization of galvanic corrosion of TA2/316L composite plate

  • X. Cheng*
  • , X. Li
  • , C. Dong
  • , K. Xiao
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Galvanic corrosion behavior of TA2/316L composite plate was investigated in the solution of 3.5 wt% NaCl by galvanic potential monitoring, scanning localized electrochemical impedance spectroscopy (LEIS) and scanning vibrating micro-electrode (SVME) techniques. The results demonstrated that the pitting corrosion resistance of 316L for the galvanic combination sample is lower, and the coupled current density is higher than for the single 316L sample. It indicates that the galvanic action works on the corrosion behavior of the TA2 titanium alloy/316L stainless steel galvanic combination in sodium chloride solution. The galvanic effect width was determined as 1500 Âμm.

Original languageEnglish
Pages (from-to)1106-1110
Number of pages5
JournalMaterials and Corrosion
Volume62
Issue number12
DOIs
StatePublished - Dec 2011
Externally publishedYes

Keywords

  • Micro-electrochemical measurements
  • galvanic corrosion
  • stainless steel

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