Comparative analysis of the effects of severe plastic deformation and thermomechanical training on the functional stability of Ti50.5Ni24.5Pd25 high-temperature shape memory alloy
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We compare the effectiveness of a conventional thermomechanical training procedure and severe plastic deformation via equal channel angular extrusion to achieve improved functional stability in a Ti50.5Ni 24.5Pd25 high-temperature shape memory alloy. Thermomechanical testing indicates that both methods result in enhanced shape memory characteristics, such as reduced irrecoverable strain and thermal hysteresis. The mechanisms responsible for the improvements are discussed in light of microstructural findings from transmission electron microscopy. 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
author list (cited authors)
Atli, K. C., Karaman, I., Noebe, R. D., & Maier, H. J.
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Atli, KC||Karaman, I||Noebe, RD||Maier, HJ