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

Hultquist, Gunnar (author)

Graham, M. J. (author)

Kodra, O. (author)

Moisa, R. (author)

Liu, R. (author)

Smialek, J. L. (author)

(creator_code:org_t)

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Abstract Subject headings

This paper reports on hydrogen pressures measured during the longterm immersion (~19 000 hours) of copper in oxygen-free distilled water. Hydrogen gas evolution is from copper corrosion and similar pressures (in the mbar range) are measured for copper contained in either a 316 stainless steel or titanium system. Copper corrosion products have been examined ex-situ by SEM and characterized by Xray photoelectron spectroscopy (XPS) and secondary ion mass spectrometry (SIMS). XPS strongly indicates a corrosion product containing both hydroxide and oxide. SIMS shows that oxygen is mainly present in the outer 0.3 um surface region and that hydrogen penetrates to depths in the substrate well below the corrosion product.

By the author/editor: Hultquist, Gunna ...; Graham, M. J.; Kodra, O.; Moisa, R.; Liu, R.; Bexell, Ulf; show more...; Smialek, J. L.; show less...

About the subject

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Chemical Enginee ...; and Corrosion Engine ...

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