Journal
MATERIALS & DESIGN
Volume 88, Issue -, Pages 366-374Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2015.08.161
Keywords
Ferrous alloy; Martensite; X-ray diffraction; High temperature erosion; Oxidation
Categories
Funding
- International Research Fund of the Muroran Institute of Technology
- Inner Mongolia University of Technology [ZD201307]
- Inner Mongolia Higher Educational Institute [NJZZ073]
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High temperature erosion-oxidation behavior of Fe-based Nb or V containing multi-component alloys with Co addition is investigated at 1173 K. High temperature erosion tests and oxidation tests are conducted to determine both erosion and oxidation behaviors. Oxide scales are detected on the surfaces with 5V-10Nb and 5V-10Co showing superior erosion-oxidation resistance at 1173 K. The erosion rate is high in V-containing samples without Co due to the occurrence of vanadium oxide attack. Whilst, with increasing of Co content, the erosion rate is reduced, indicating the addition of Co is an effective counter-measure. In Nb-containing samples on the other hand, oxidation is successfully controlled by the formation of a composite oxide layer regardless of the presence of Co, thereby reducing the erosion losses. (C) 2015 Elsevier Ltd. All rights reserved.
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