Abstract
The nonisothermal oxidation behavior of 0.16% carbon steel at a heating rate of 7 K·min−1 up to a temperature of 1400 K in dry air (\(P_{O_2 }\)=21.27 kPa) is reported. It was envisaged to develop a cheaper and easily applicable superficial coating material for minimization of scale loss during high-temperature exposure. The coating material consisted of an aqueous slurry of bentonite and calcium silicide mixture. Such a coating material when applied superficially on the steel surface not only enhances oxidation resistance but also helps in forming an adherent oxide scale to the alloy substrate even up to a third cycle of exposure to 1400 K. Postoxidation analyses of the alloy-scale combination using XRD, SEM, and EDS revealed the formation of a barrier layer comprised of complex silicates and aluminoferrite that provided improved oxidation resistance.
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Kuiry, S.C., Roy, S.K. & Bose, S.K. A superficial coating to improve high-temperature-oxidation resistance of a plain-carbon steel under nonisothermal conditions. Oxid Met 41, 65–79 (1994). https://doi.org/10.1007/BF01196643
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DOI: https://doi.org/10.1007/BF01196643