The effect of work-hardening and thermal annealing on the early stages of the uranium-hydrogen corrosion reaction

A. Banos*, C. P. Jones, T. B. Scott

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

13 Citations (Scopus)
286 Downloads (Pure)

Abstract

The characteristics of hydride formation on metallic U at the early stages were investigated for three differently treated samples. The first sample reacted in its as-received state, the second was thermally annealed and the third sample underwent cold work-hardening prior to reaction with deuterium. From the analysis, the vacuum heat-treated sample was found to be more resilient to hydriding at the nucleation and growth stage, exhibiting a reduced number of nucleation points when compared to the as-cast uranium. The work-hardened sample was observed to be more susceptible to H2 corrosion, displaying very dissimilar hydriding behaviour when compared to the other.

Original languageEnglish
Pages (from-to)147-155
Number of pages9
JournalCorrosion Science
Volume131
Early online date14 Nov 2017
DOIs
Publication statusPublished - 1 Feb 2018

Keywords

  • B. SEM
  • C. effects of strain
  • Hydrogen permeation
  • Interfaces
  • Pitting corrosion
  • SIMS

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