Investigation into the high temperature oxidation of Cu-bearing austenitic stainless steel using simultaneous electron backscatter diffraction-energy dispersive spectroscopy analysis

Authors
Kim, Ju-HeonKim, Dong-IkShim, Jae-HyeokYi, Kyung-Woo
Issue Date
2013-12
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
CORROSION SCIENCE, v.77, pp.397 - 402
Abstract
The oxide scales of high-alloyed steel are composed of complex phases that are difficult to differentiate with conventional analysis techniques. Here, we used simultaneous electron backscatter diffraction (EBSD) and energy dispersive X-ray spectroscopy (EDS) to analyze the complex oxide layers formed on a Cu-bearing austenitic stainless steel. Multi-layered structures of external hematite, external magnetite, internal chromite, internal chromium oxide, and austenite matrix were clearly identified using the simultaneous EBSD-EDS analysis technique. The addition of Cu into the austenitic stainless steel induced spinel structured oxide formation at the top surface of the external oxide. (C) 2013 Elsevier Ltd. All rights reserved.
Keywords
ORIENTATION IMAGING MICROSCOPY; SUPERCRITICAL WATER; CORROSION BEHAVIOR; OXIDE SCALES; COPPER; MICROSTRUCTURE; EBSD; IRON; FE; ORIENTATION IMAGING MICROSCOPY; SUPERCRITICAL WATER; CORROSION BEHAVIOR; OXIDE SCALES; COPPER; MICROSTRUCTURE; EBSD; IRON; FE; Stainless steel; SEM; Oxidation
ISSN
0010-938X
URI
https://pubs.kist.re.kr/handle/201004/127394
DOI
10.1016/j.corsci.2013.08.015
Appears in Collections:
KIST Article > 2013
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