In Situ Multielement XANES Study of Formation and Reduction of the Oxide Film on Stainless Steel

Alison J. Davenport; Antonio J. Aldykiewicz; Michelle Taube; Carissima M. Vitus

doi:10.1149/1.2054720

In Situ Multielement XANES Study of Formation and Reduction of the Oxide Film on Stainless Steel

Alison J. Davenport, Antonio J. Aldykiewicz, Michelle Taube, Carissima M. Vitus

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Abstract

The effectiveness of in situ multielement x-ray absorption near edge spectroscopy for studying the passivation of alloys is demonstrated. By simultaneously windowing the appropriate K_a fluorescence lines with a 13-element energy-dispersive germanium detector it is possible to measure concurrently the behavior of different alloying elements during electrochemical polarization. A thin film of stainless steel was stepped between-1.5 and +0.4 V (MSE) (the transpassive region of chromium) in a pH 8.4 borate buffer. On the first oxidation, no metal was lost and Fe and Ni showed some oxidation. On reduction, significant Fe and a barely detectable quantity of Ni dissolved. During the second oxidation, some Cr and a smaller fraction of Ni dissolved.

Original language	English
Pages (from-to)	L6-L8
Journal	Journal of the Electrochemical Society
Volume	141
Issue number	1
DOIs	https://doi.org/10.1149/1.2054720
State	Published - Jan 1994
Externally published	Yes

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title = "In Situ Multielement XANES Study of Formation and Reduction of the Oxide Film on Stainless Steel",

abstract = "The effectiveness of in situ multielement x-ray absorption near edge spectroscopy for studying the passivation of alloys is demonstrated. By simultaneously windowing the appropriate Ka fluorescence lines with a 13-element energy-dispersive germanium detector it is possible to measure concurrently the behavior of different alloying elements during electrochemical polarization. A thin film of stainless steel was stepped between-1.5 and +0.4 V (MSE) (the transpassive region of chromium) in a pH 8.4 borate buffer. On the first oxidation, no metal was lost and Fe and Ni showed some oxidation. On reduction, significant Fe and a barely detectable quantity of Ni dissolved. During the second oxidation, some Cr and a smaller fraction of Ni dissolved.",

author = "Davenport, {Alison J.} and Aldykiewicz, {Antonio J.} and Michelle Taube and Vitus, {Carissima M.}",

year = "1994",

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AU - Davenport, Alison J.

AU - Aldykiewicz, Antonio J.

AU - Taube, Michelle

AU - Vitus, Carissima M.

PY - 1994/1

Y1 - 1994/1

N2 - The effectiveness of in situ multielement x-ray absorption near edge spectroscopy for studying the passivation of alloys is demonstrated. By simultaneously windowing the appropriate Ka fluorescence lines with a 13-element energy-dispersive germanium detector it is possible to measure concurrently the behavior of different alloying elements during electrochemical polarization. A thin film of stainless steel was stepped between-1.5 and +0.4 V (MSE) (the transpassive region of chromium) in a pH 8.4 borate buffer. On the first oxidation, no metal was lost and Fe and Ni showed some oxidation. On reduction, significant Fe and a barely detectable quantity of Ni dissolved. During the second oxidation, some Cr and a smaller fraction of Ni dissolved.

AB - The effectiveness of in situ multielement x-ray absorption near edge spectroscopy for studying the passivation of alloys is demonstrated. By simultaneously windowing the appropriate Ka fluorescence lines with a 13-element energy-dispersive germanium detector it is possible to measure concurrently the behavior of different alloying elements during electrochemical polarization. A thin film of stainless steel was stepped between-1.5 and +0.4 V (MSE) (the transpassive region of chromium) in a pH 8.4 borate buffer. On the first oxidation, no metal was lost and Fe and Ni showed some oxidation. On reduction, significant Fe and a barely detectable quantity of Ni dissolved. During the second oxidation, some Cr and a smaller fraction of Ni dissolved.

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JF - Journal of the Electrochemical Society

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In Situ Multielement XANES Study of Formation and Reduction of the Oxide Film on Stainless Steel

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