Abstract
The interfacial reaction between Co-Cr-Mo alloy and liquid Al was investigated using immersion tests. Microstructure characterization indicated that the Co-Cr-Mo alloy was corroded by liquid Al homogeneously, with the formation of a (Co,Cr,Mo)2Al9 layer close to alloy matrix and "(Cr,Mo)7Al45+Al" layer close to Al. Kinetics analysis showed that the corrosion of the Co-Cr-Mo alloy followed a linear relationship with the immersion duration. Compared with pure Co-liquid Al reaction system, the alloying of Cr and Mo changed the solid-liquid interface structure, but the corrosion of the solid metal was still dominated by the dissolution of an intermetallic layer.
Original language | English |
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Pages (from-to) | 262-268 |
Number of pages | 7 |
Journal | Corrosion Science |
Volume | 75 |
DOIs | |
Publication status | Published - 2013 Oct |
Keywords
- A. Aluminium
- A. Cobalt
- A. Intermetallics
- B. TEM
- C. Interfaces
ASJC Scopus subject areas
- Chemistry(all)
- Chemical Engineering(all)
- Materials Science(all)