Formation of a bimodal eutectic structure in Ti–Fe–Sn alloys with enhanced plasticity

Han, J. H.; Kim, K. B.; Yi, S.; Park, J. M.; Sohn, S. W.; Kim, T. E.; Kim, D. H.; Das, J.; Eckert, J.
October 2008
Applied Physics Letters;10/6/2008, Vol. 93 Issue 14, p141901
Academic Journal
Microstructural investigations on a series of (Ti70.5Fe29.5)100-xSnx alloys with x=5, 7, and 9 reveal that Sn addition is effective in introducing both structural and spatial heterogeneities in ultrafine eutectic composites stemming from a large temperature difference between two eutectic temperatures upon solidification. The microstructural heterogeneities in these ultrafine eutectic composites strongly enhance the room temperature compressive plasticity up to ∼15.7%.


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