Journal
CORROSION SCIENCE
Volume 60, Issue -, Pages 32-37Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2012.04.015
Keywords
Aluminium; Cobalt; Iron; Intermetallics; Interface
Funding
- Regional Innovation Cluster Program from the Ministry of Education, Culture, Sports, Science and Technology of Japan
- Tohoku University Global COE Program of Materials Integration
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Based on the interface structures and their evolution kinetics, the interfacial reactions of solid Co and solid Fe with liquid Al are considered to be controlled by different mechanisms. In contrast to the non-homogeneous and dramatic reaction between Fe and liquid Al, the reaction between Co and liquid Al is homogeneous and more modest. Co loses the thickness with a linear law with respect to immersion time, and interfacial reaction is controlled by the dissolution of the intermetallic compound. Fe samples lose their thickness with a parabolic law, and the controlling mechanism of interfacial reaction is the inter-diffusion within FeAl2.8. (c) 2012 Elsevier Ltd. All rights reserved.
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