Temperature effects on the oxidation of low carbon steel in N 2-H 2-H 2O at 800-1200 �c

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Title:	Temperature effects on the oxidation of low carbon steel in N 2-H 2-H 2O at 800-1200 �c
Authors:	陳立業;Yin, H.;Chan, S. L. I.;Yuen, W. Y. D.;Young, D. J.
Contributors:	工學院化學工程與材料工程學系
Keywords:	Applied sciences;Chemistry and Materials Science;Corrosion;Corrosion and Coatings;Corrosion environments;Exact sciences and technology;Inorganic Chemistry;Materials Science;Metallic Materials;Metals. Metallurgy;Original Paper;Tribology
Date:	2012-06-01
Issue Date:	2026-04-21 13:56:29 (UTC+8)
Publisher:	Springer New York;New York: Springer-Verlag
Abstract:	摘要： A low carbon, low silicon steel was reacted with flowing N 2 –H 2 –H 2 O gases at temperatures of 800–1,200 °C, to produce scales of fast-growing wüstite, the only stable iron oxide under these conditions. Scaling kinetics were parabolic, after an initial period of linear reaction. The parabolic rate constants measured in the range 800–1,100 °C were two orders of magnitude lower than values predicted from Wagner’s diffusion theory, and activation energies were higher than expected. At 1,200 °C, however, the measured parabolic rate constant was in agreement with prediction. The initial period of linear kinetics was extensive at 1,100 °C, and rates are in agreement with those predicted for surface reaction rate control. Because the surface reaction is much less sensitive to temperature than the solid-state diffusion process, the extent of the linear kinetic regime is smaller at lower temperatures. 其他題名： Oxid Met 出版者： New York: Springer-Verlag 出版日期： 2012-06 出處： Oxidation of metals, 2012-06, Vol.77 (5-6), p.305-323 版權： Springer Science+Business Media, LLC 2012 版權： 2015 INIST-CNRS 識別號： ISSN: 0030-770X 識別號： EISSN: 1573-4889 識別號： DOI: 10.1007/s11085-012-9287-5 識別號： CODEN: OXMEAF
Appears in Collections:	[Department of Chemical and Materials Engineering] journal & Dissertation

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