High-Temperature Oxidation of Low-Alloyed Steel under Glass Coatings1 K. Yu. Frolenkov, L. Yu. Frolenkova, and I. F. Shadrin Orel State Technical University, Naugorskoe sh. 29, Orel, 302020 Russia e-mail:
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Received April 5, 2008 Abstract — Some peculiarities of the time and temperature dependences of the high-temperature oxidation of a low-alloyed low-carbon steel covered with a glass coating are studied. The dependences characterizing the oxidation of steel without coating and that covered with it are found to have a similar character. Based on the data obtained, it is supposed that, at low temperatures, the prevailing mechanism involves the penetration of oxygen toward the metal surface through macro- and micropores of the coating, while, at high temperatures, the oxidation, which seems to be related to the electrochemical corrosion of the surface under a glass melt, becomes predominant. DOI: 10.1134/S2070205110010156
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