Mechanisms of Stress Corrosion Cracking for Iron-Based Alloys in High-Temperature Water

X. Y. Zhou, J. Congleton, A. Bahraloloom

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Stress corrosion cracking (SCC) susceptibilities of a series of iron-based alloys (IBA), including some high-purity irons, were evaluated in lithiated water at temperatures up to 300°C. Inclusion distributions in each material were established using quantitative metallography and energy dispersive x-ray analysis (EDX). Electrochemical measurements were performed to investigate film formation kinetics. Results showed the minimum potential for SCC was a function of the inclusion content. Reducing the inclusion content in IBA moved the minimum potential for SCC in the anodic direction and/or increased the temperature for the onset of cracking but did not eliminate SCC.

Original languageEnglish (US)
Pages (from-to)898-909
Number of pages12
JournalCorrosion
Volume54
Issue number11
DOIs
StatePublished - Nov 1998
Externally publishedYes

Keywords

  • Energy dispersive x-ray analysis
  • High-temperature water
  • Iron-based alloys
  • Lithiated water
  • Quantitative metallography
  • Scanning electron microscope
  • Slow strain rate test
  • Stress corrosion cracking
  • Sulfide inclusions

ASJC Scopus subject areas

  • Materials Science(all)
  • Metals and Alloys

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