Cyclic oxidation of yttria dispersed austenitic stainless steels

Title
Cyclic oxidation of yttria dispersed austenitic stainless steels
Authors
Phaniraj Madakashira김동익심재혁조영환
Keywords
Stainless steel; EPMA; SEM; Thermal cycling; XPS; Oxidation
Issue Date
2010-10
Publisher
Corrosion science
Citation
VOL 52, NO 18, 3573-3576
Abstract
Cyclic oxidation of austenitic steels (Fe–20Ni–14Cr–2.5Mo–2Mn–2.5Al-wt.%) dispersed with 0, 0.5 and 5 wt.% yttria was carried out at 800 ℃ in air. The scale surface and cross-section were characterized using X-ray diffraction, scanning electron microscopy (SEM), electron probe microanalysis (EPMA) and X-ray photoelectron spectroscopy (XPS). Yttria additions improve the resistance to spallation. The increase in the resistance to spallation appears to be related to the presence of mixed oxides between yttria and base metal oxides.
URI
http://pubs.kist.re.kr/handle/201004/37845
ISSN
0010-938X
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KIST Publication > Article
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