Corrosion of copper in distilled water without O2 and the detection of produced hydrogen

G. Hultquist, M. J. Graham, O. Kodra, S. Moisa, R. Liu, U. Bexell, J. L. Smialek

Research output: Contribution to journalArticlepeer-review

Abstract

This paper reports on hydrogen pressures measured during 19,000 h immersion of copper in oxygenfree liquid distilled water. Copper corrosion products have been examined ex-situ by SEM and characterized by XPS and SIMS. XPS strongly indicates a corrosion product containing both oxygen and hydrogen. SIMS shows that oxygen is mainly present in the outer 0.3 lm surface region and that hydrogen penetrates to depths well below the corrosion product. Thermal desorption spectroscopy shows that the reaction product formed near room-temperature is less stable than that formed in air at 350 C.
Original languageEnglish
Pages (from-to)162-167
Number of pages6
JournalCorrosion Science
Volume95
DOIs
Publication statusPublished - 2015

Keywords

  • copper
  • oxidation
  • x, ray photoelectron spectroscopy

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