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The effect of yttrium addition on the oxidation resistance of EPM TiAl-based intermetallics SCIE SCOPUS
- Title
- The effect of yttrium addition on the oxidation resistance of EPM TiAl-based intermetallics
- Date Issued
- 2003-06
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Abstract
- The effect of yttrium on the oxidation resistance of elemental powder metallurgy (EPM) processed TiAl-based alloys was studied. Y-addition improved the oxidation resistance of the experimental alloys exposed at 800 degreesC for 350 h. The improved oxidation resistance was attributed to a fine-grained (Y, Al)O-type oxides and the segregation of Y in the grain boundaries and at the interfaces of Al2O3 in the Y-rich layer. (C) 2003 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
- Keywords
- intermetallic; microstructure; oxidation resistance; yttriurn; MICROSTRUCTURAL REFINEMENT; MECHANICAL-PROPERTIES; BEHAVIOR; ALLOYS; AL; IMPROVEMENT; PHASE
- ISSN
- 1359-6462
- Article Type
- Article
- Citation
- SCRIPTA MATERIALIA, vol. 48, no. 12, page. 1655 - 1660, 2003-06
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- 김낙준KIM, NACK JOON
- Ferrous & Energy Materials Technology