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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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Open Access
Online
ISSN
2191-0324
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Volume 30, Issue 1-2

Issues

Formation of Alumina Layer on Fe-Cr-Ni Alloy by Pack Cementation and Oxidation

Linlin Xing
  • Department of Materials Science and Engineering, China University of Petroleum, Beijing 102249, China
  • Other articles by this author:
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/ Yanjun Zheng
  • Corresponding author
  • Department of Materials Science and Engineering, China University of Petroleum, Beijing 102249, China
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/ Lishan Cui
  • Department of Materials Science and Engineering, China University of Petroleum, Beijing 102249, China
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/ Maohu Sun
  • Department of Materials Science and Engineering, China University of Petroleum, Beijing 102249, China
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  • De Gruyter OnlineGoogle Scholar
/ Mingzeng Shao
  • Department of Materials Science and Engineering, China University of Petroleum, Beijing 102249, China
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  • De Gruyter OnlineGoogle Scholar
/ Guiwu Lu
  • Department of Materials Science and Engineering, China University of Petroleum, Beijing 102249, China
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Published Online: 2011-04-19 | DOI: https://doi.org/10.1515/htmp.2011.013

Abstract

To protect Fe-Cr-Ni based alloy from high temperature corrosion in carbon containing atmosphere at elevated temperature, alumina coating was prepared on the Fe-Ni-Cr alloy substrate by pack cementation and oxidation. Results showed that a surface FeAl layer formed after the pack cementation process, and an Al2O3 coating formed by selective oxidation of the FeAl layer. The coating adhered tightly to the FeAl layer without any cracks or porous inbetween them. By the oxidation process the catalytic elements such as Fe and Ni were remarkably reduced from the surface. Further anti-coking test indicated that the alumina scale could successfully inhibit the outward diffusion of catalytic elements and showed excellent coking resistance.

Keywords.: High temperature alloy; coke deposition; oxidation; pack cementation

About the article

Corresponding author: Yanjun Zheng, Department of Materials Science and Engineering, China University of Petroleum, Beijing 102249, China


Received: 2010-09-16

Accepted: 2010-10-06

Published Online: 2011-04-19

Published in Print: 2011-04-01


Citation Information: High Temperature Materials and Processes, Volume 30, Issue 1-2, Pages 99–103, ISSN (Online) 2191-0324, ISSN (Print) 0334-6455, DOI: https://doi.org/10.1515/htmp.2011.013.

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