Demonstration of Elemental Partitioning During Austenite Formation in Low-Carbon Aluminium alloyed steel
2011
Palizdar, Yahya | San-Martín, David | Brown, A. P. | Ward, M. | Cochrane, R. C. | Brydson, R. | Scott, A. J. | Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
This work investigates the influence of aluminium, in solid solution, on austenite formation in a lowcarbon aluminium alloyed (0.48 wt. %) steel during continuous heating. A thin section across an untransformed ferrite and austenite interface was prepared for transmission electron microscopy by focused ion beam milling. Microstructural characterization using imaging and elemental analysis demonstrates that aluminium partitions from austenite to ferrite during very slow heating conditions, stabilizing this latter phase and shifting the final transformation temperature for austenite formation (Ac3)
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