期刊
CORROSION SCIENCE
卷 108, 期 -, 页码 209-214出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2016.03.020
关键词
high-entropy alloy; oxidation; scales
资金
- Ministry of Science and Technology of the Republic of China [MOST-103-2221-E-019-007-MY2]
- National Taiwan Ocean University [NTOU-AF94-04-03-01-01, NTOU-RD972-04-03-01]
The oxidation behavior of an equimolar FeCoNiCrMn high-entropy alloy was studied in four oxygen containing atmospheres over the oxygen partial pressure range from 10 to 10(5) Pa at 950 degrees C. The oxidation kinetics of the alloy followed the parabolic rate law, and the oxidation rate constants increased with increasing oxygen partial pressure. Triplex scales formed on the alloy consisted of an exclusive outer layer of Mn3O4, a heterophasic intermediate layer of Mn3O4, (Mn,Cr)(3)O-4, and Cr2O3, and an exclusive inner layer of Cr2O3. (C) 2016 Elsevier Ltd. All rights reserved.
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