Non-destructive evaluation of alumina scale on heat-resistant steels using cathodoluminescence and X-ray-excited optical luminescence

[Display omitted] •CL and XEOL imaging allows us to identify Al2O3 scale on Fe–Al alloy.•Surface morphology of Al2O3 scale is observable by capturing CL and XEOL images.•Al2O3 scale thickness can be non-destructively determined from its CL intensity.•CL and XEOL analysis are applicable to non-destru...

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Veröffentlicht in:	Corrosion science 2019-07, Vol.154, p.226-230
Hauptverfasser:	Imashuku, Susumu, Wagatsuma, Kazuaki
Format:	Artikel
Sprache:	eng
Schlagworte:	A. Alloy A. Steel Aluminum oxide C. High temperature corrosion C. Oxidation C. Oxide coating Cathodoluminescence Destructive testing Ferrous alloys Heat resistant steels Iron Luminescence Morphology Nondestructive testing Scale (corrosion) Thickness
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