期刊
CORROSION SCIENCE
卷 111, 期 -, 页码 474-485出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2016.05.025
关键词
Alloy; SEM; High temperature corrosion; Oxidation; Kinetic parameters
The oxidation behaviour of Ni-30Cr alloy and the kinetics of the sole growth of Cr2O3 have been studied at 1150 degrees C up to 289 hat oxygen pressures comprised between 10(-13) and 10(-3) atm, thanks to Rhines pack device. Oxide morphology, growth mechanisms and kinetics are discussed in terms of nature, concentration and diffusion of point defects. The criteria ruling the nature of the major diffusing point defects are considered through the influence of temperature and oxygen pressure. Diffusion coefficients are calculated from the oxidation kinetics data and compared to the literature. (C) 2016 Elsevier Ltd. All rights reserved.
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