Journal
CERAMICS INTERNATIONAL
Volume 39, Issue 3, Pages 2437-2442Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2012.08.095
Keywords
Composite coating; Nanostructured coating; Reactive plasma spraying; Thermite reaction
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Funding
- National Natural Science Foundation of China [51072045, 51102074]
- Doctoral Program Specialized Research Foundation for Universities in China [20101317120005]
- China Post-doctoral Science Foundation [20110490979]
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Nanostructured ceramic matrix composite coating was prepared in-situ by reactive plasma spraying micro-sized Al-Fe2O3 composite powders. The microstructure, toughness and Vickers hardness of these coatings were investigated by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and mechanical tests. The results indicated that the coating exhibited nanostructures which consisted of FeAl2O4, Al2O3, Fe (or Fe solid solution) and a little FeAl. The composite coating showed significantly higher toughness and wear resistance than the conventional Al2O3 coating. (c) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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