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Article Dans Une Revue Scripta Materialia Année : 2011

Auger electron spectroscopy analysis of chromium depletion in a model Ni-16Cr-9Fe alloy oxidized at 950°C

Résumé

A complete chromium depletion profile with its depth resolution in the nanometre range was obtained on a Ni-16Cr-9Fe model alloy after a 10 h oxidation at 950 °C in air. Auger electron spectroscopy coupled to ion sputtering and energy-dispersive X-ray spectroscopy were used to measure the chromium depletion profile. The chromium content at the oxide/alloy interface is below 0.5 wt.%. This exceptionally low Cr content is in agreement with Wagner's model for binary alloys

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Matériaux
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hal-00853076 , version 1 (27-06-2022)

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André Nicolas, Vincent Barnier, Edwige Aublant, Krzysztof Wolski. Auger electron spectroscopy analysis of chromium depletion in a model Ni-16Cr-9Fe alloy oxidized at 950°C. Scripta Materialia, 2011, 65 (9), pp.803-806. ⟨10.1016/j.scriptamat.2011.07.036⟩. ⟨hal-00853076⟩
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