Corrosion fatigue crack growth rate in sensitized alloy 600 in thiosulfate solution at room temperature

Wen-Ta Tsai, C. C. Kuoh

Research output: Contribution to journalArticlepeer-review

Abstract

Corrosion fatigue crack growth (FCG) behavior of alloy 600 (UNS N06600) sensitized at 1,100°C/0.5 h + 700°C/5 h in 0.1 M sodium thiosulfate (Na2S2O3) solution at room temperature under applied anodic potential conditions was investigated using the fracture mechanics technique. Results indicated the FCG rate depended upon the testing frequency and the applied potential. At a frequency of 1 Hz, FCG rates were independent of applied potential and nearly the same as those tested in a N2 atmosphere. However, at a frequency of 0.1 Hz, the FCG rate Increased with Increasing applied potential. Moreover, the competition between environmental and mechanical effects Influenced the fracture morphology of the corrosion fatigue of sensitized alloy 600.

Original languageEnglish
Pages (from-to)554-560
Number of pages7
JournalCorrosion
Volume55
Issue number6
DOIs
Publication statusPublished - 1999 Jan 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)

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