Electrochemical mechanism of hot corrosion of Bi2O3-deposited copper |
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| Authors: | V.V. Belousov |
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| Affiliation: | A.A. Baikov Institute of Metallurgy and Materials, Russian Academy of Sciences, 49 Leninskii Pr., 119991 Moscow, Russia |
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| Abstract: | An electrochemical mechanism of hot corrosion of the Bi2O3-deposited copper is proposed. Oxygen ion transport across the oxide scale with liquid-channel grain-boundary structure (LGBS) is the rate-limiting step in the overall mechanism. The calculated and experimental values of the rate constant for hot corrosion of Bi2O3-deposited copper are of the same order of magnitude, which shows agreement between theory and experiment. |
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| Keywords: | Hot corrosion Mechanism Wetting LGBS Ionic conductivity |
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