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High Temperature Oxidation of Indefinite Chill Roll Material Under Dry and Humid Atmospheres.
- Source :
-
Steel Research International . Mar2016, Vol. 87 Issue 3, p349-358. 10p. 4 Black and White Photographs, 3 Diagrams, 1 Chart, 6 Graphs. - Publication Year :
- 2016
-
Abstract
- In this paper, the isothermal oxidation of the indefinite chill (IC) roll is investigated by using a thermogravimetric analyzer (TGA) from 550 to 700 °C under dry and humid atmospheres. It is found that the oxidation kinetics follow a linear trend and the oxide scale consists of two layers after the oxidation in dry air but three layers in humid air above 600 °C. In dry air, the graphite is covered by the oxide scale above 650 °C. The water vapor accelerates the oxidation of the matrix and the graphite. The graphite is covered by the extension of the oxide scale above 600 °C in humid air. The as-treated samples are examined with SEM and XRD, while the kinetics is based on TGA results. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 16113683
- Volume :
- 87
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Steel Research International
- Publication Type :
- Academic Journal
- Accession number :
- 113416856
- Full Text :
- https://doi.org/10.1002/srin.201500063