Size Effect on the Phase Transformation of In-21at%Tl Nanowires
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In this work, the interaction between the size effect and the thermomechanically induced phase transformation for SMAs composed of Indium-Thallium (InTl) is analyzed. An In-21at%Tl alloy is first fabricated, from which In-21at%Tl nanowires are subsequently produced. Using the mechanical pressure injection system, the bulk alloy is pressed into pores of an Anodized Aluminum Oxide (AAO) template to fabricate the nanowires. The diameter of these nanowires can be altered by changing the anodization parameters of the AAO templates (≈20nm-750nm). The critical diameter for which nanowires show a similar phase transformation behavior to the bulk alloy is experimentally determined to lie between 280nm and 750nm. Copyright © 2009 by ASME.
author list (cited authors)
Phillips, F. R., Zheng, H., Lagoudas, D. C., & Karaman, I.