The effects of dissolved hydrogen on the corrosion behavior of Alloy 182 in simulated primary water

Jian Xu, Tetsuo Shoji, Changheui Jang

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The effects of dissolved hydrogen (DH) on the corrosion behavior of Alloy 182 in high temperature (320°C) water were studied using in situ electrochemical measurements and ex situ surface analyses. The film resistance and thickness increased with decreasing DH. Under conditions of DH=50cm3/kg and 30cm3/kg, the oxide film was very thin and predominantly consisted of Cr3+. At DH=5cm3/kg, the oxide film grew thicker, and the outer part consisted of NiO and spinel, with Cr3+ primarily located in the inner part. The underlying mechanism of stress corrosion cracking (SCC) susceptibility was considered.

Original languageEnglish
Pages (from-to)115-125
Number of pages11
JournalCorrosion Science
Volume97
DOIs
Publication statusPublished - 2015 Aug 1

Keywords

  • A. Alloy
  • B. Raman spectroscopy
  • B. SEM
  • B. XPS
  • C. High temperature corrosion

ASJC Scopus subject areas

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

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