Effect of Cu on oxidation behaviour of FCC Fe-Ni-Cr-Al and Ni-Cr-Al based alloys

Hayashi, Shigenari; Kudo, Daiki; Nagashima, Ryouta et al.

Corrosion Science, 2020, 163, 108273

Permalink : https://hdl.handle.net/2115/83983

このアイテムのアクセス数:362件（2026-01-20 03:10 集計）

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論文情報

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アクセス権
open access
URI
https://hdl.handle.net/2115/83983
タイトル
Effect of Cu on oxidation behaviour of FCC Fe-Ni-Cr-Al and Ni-Cr-Al based alloys
著者
Hayashi, Shigenari ; Kudo, Daiki ; Nagashima, Ryouta ; Utsumi, Haruki
e-Rad_Researcher
10321960
著者名
Hayashi, Shigenari
著者名
Kudo, Daiki
著者名
Nagashima, Ryouta
著者名
Utsumi, Haruki
言語
英語
キーワード
Al2O3-scale forming austenitic Fe-base alloy
Cu effect
Critical Al content for Al2O3 scale formation
発行日
2020-02
出版者
Elsevier
収録物名
Corrosion Science
巻(号)
163
ページ
108273
抄録
The high-temperature oxidation behaviour of Fe-Ni-Cr-Al and Ni-Cr-Al alloys with and without Cu addition was investigated at 1000 degrees C in air to determine the effect of Cu on the critical Al content necessary for forming an external Al2O3 scale. The oxidation mass gain of Fe-17Ni-17Cr-7.7Al-Cu and Ni-17Cr-10Al alloys was found to decrease with increased Cu content. An external Al2O3 scale developed when 5at%Cu and more and 10at%Cu and more was added to Fe-17Ni-17Cr-7.7Al and Ni-17Cr-10Al alloys, respectively. The beneficial effect of Cu is inferred to be due to decreased oxygen concentration at the alloy surface and enhanced Al outward diffusion.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
権利情報
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
権利情報
©2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
PISSN
0010-938X
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1016/j.corsci.2019.108273