@article{48ba870978bd45739a03d8e67ee1380d,
title = "Effect of Al content on the high-temperature oxidation of Co-20Cr-(5, 10)Al oxide dispersion strengthened superalloys",
abstract = "The high-temperature oxidation of Co-based oxide dispersion strengthened (ODS) Co-20Cr-(5, 10) Al-2.4Hf-1.5Y2O3 (wt%) superalloys was investigated at 900 °C and 1000 °C. The 10Al (wt%) superalloys possess better oxidation resistance with the formation of alumina scale than the 5Al (wt%) with a duplex scale of CoCr2O4/Cr2O3 and internal Al2O3. The alumina on the 10Al superalloy is composed of θ- and α-alumina at 900 °C but dominated by α-alumina at 1000 °C. The lower weight gain of 10Al superalloys at 1000 °C than at 900 °C was associated with different growth mechanisms of the Al2O3 scales.",
keywords = "A. Alumina, A. Cobalt, B. SEM, C. Oxidation",
author = "Hao Yu and Shigeharu Ukai and Shigenari Hayashi and Naoko Oono",
note = "Funding Information: This work is supported by Grant-in-Aid for Scientific Research (B), 24360282, Japan Society for the Promotion of Science (JSPS). H. Yu is grateful to the China Scholarship Council (CSC) for the provision of a scholarship. The analysis of EPMA was carried out with “JEOL JXA-8530F” at the “Joint-use Facilities: Laboratory of Nano-Micro Material Analysis”, Hokkaido University. Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd",
year = "2017",
month = apr,
day = "1",
doi = "10.1016/j.corsci.2017.01.015",
language = "English",
volume = "118",
pages = "49--59",
journal = "Corrosion Science",
issn = "0010-938X",
publisher = "Elsevier Limited",
}