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Oxidation Kinetics of FeCr and FeCrAl Alloys: Influence of Secondary Processes
Version 1
: Received: 15 September 2023 / Approved: 18 September 2023 / Online: 19 September 2023 (07:37:54 CEST)
How to cite: Nakhutsrishvil, I. Oxidation Kinetics of FeCr and FeCrAl Alloys: Influence of Secondary Processes. Preprints 2023, 2023091173. https://doi.org/10.20944/preprints202309.1173.v1 Nakhutsrishvil, I. Oxidation Kinetics of FeCr and FeCrAl Alloys: Influence of Secondary Processes. Preprints 2023, 2023091173. https://doi.org/10.20944/preprints202309.1173.v1
Abstract
The work presents a mathematical model of a thermogravimetric curve for the growth and simultaneous sublimation of scale on a metal or alloy surface. Reduction of the reaction area as a result of the formation of oxides of alloying elements (for obtaining the basic oxide) is considered for the alloy. For metals, the case where this area is increased as a result of powder metal crushing is also considered. The equations that were obtained are employed to explain the kinetic curves of the mass change of the samples.
Keywords
Metal/alloy oxidation kinetics; scale evaporation; change of reaction area
Subject
Chemistry and Materials Science, Metals, Alloys and Metallurgy
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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