Oxidation Kinetics of FeCr and FeCrAl Alloys: Influence of Secondary Processes

Irakli Nakhutsrishvil

doi:10.20944/preprints202309.1173.v1

Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 15 September 2023 / Approved: 18 September 2023 / Online: 19 September 2023 (07:37:54 CEST)

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.

Metal/alloy oxidation kinetics; scale evaporation; change of reaction area

Chemistry and Materials Science, Metals, Alloys and Metallurgy

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Oxidation Kinetics of FeCr and FeCrAl Alloys: Influence of Secondary Processes

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