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High Temperature Materials and Processes

Editor-in-Chief: Fukuyama, Hiroyuki

Editorial Board: Waseda, Yoshio / Fecht, Hans-Jörg / Reddy, Ramana G. / Manna, Indranil / Nakajima, Hideo / Nakamura, Takashi / Okabe, Toru / Ostrovski, Oleg / Pericleous, Koulis / Seetharaman, Seshadri / Straumal, Boris / Suzuki, Shigeru / Tanaka, Toshihiro / Terzieff, Peter / Uda, Satoshi / Urban, Knut / Baron, Michel / Besterci, Michael / Byakova, Alexandra V. / Gao, Wei / Glaeser, Andreas / Gzesik, Z. / Hosson, Jeff / Masanori, Iwase / Jacob, Kallarackel Thomas / Kipouros, Georges / Kuznezov, Fedor

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Volume 30, Issue 1-2


High Temperature Oxidation Behavior of P91, P92 and E911 Alloy Steels in Dry andWet Atmospheres

Palanivel Mathiazhagan / Anand Sawroop Khanna
Published Online: 2011-04-19 | DOI: https://doi.org/10.1515/htmp.2011.006


The oxidation behavior has been studied under both dry and wet oxidation atmosphere at 873 K to 1073 K. In dry atmosphere the oxidation resistance of these alloys has been described by the formation of a protective oxide FeCr2O4 at 873 K to 973 K. At 1073 K, the kinetics are parabolic with fast growing oxide leading to spalling of oxide for P92 alloy. Oxide scale formed in air was protective with a chromium rich scale at 873–973 K, while double layered oxides were formed at 1073 K with iron oxide an outer layer and inner Cr-rich spinel FeCr2O4. In wet atmosphere oxide scale was reasonably different. The oxide layer showed porous in wet atmospheres where as dense oxide layer formed during dry oxidation. The oxidation rate of P92 alloy is about 3, 2 and 1 orders of magnitude higher than the P9, P91 and E911 alloys in wet atmospheres.

Keywords.: Oxidation; effect of atmosphere; SEM; XRD; EDAX

About the article

Corresponding author: Palanivel Mathiazhagan, Mechanical Engineering Dept., Pondicherry Engineering College, Pondicherry 605014, india

Received: 2010-07-17

Published Online: 2011-04-19

Published in Print: 2011-04-01

Citation Information: High Temperature Materials and Processes, Volume 30, Issue 1-2, Pages 43–50, ISSN (Online) 2191-0324, ISSN (Print) 0334-6455, DOI: https://doi.org/10.1515/htmp.2011.006.

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