Combinational rate effects on the performance of nano-grained pseudoelastic Nitinols

Amini, Abbas, Cheng, Chun and Asgari, Alireza 2013, Combinational rate effects on the performance of nano-grained pseudoelastic Nitinols, Materials letters, vol. 105, pp. 98-101, doi: 10.1016/j.matlet.2013.04.072.

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Title Combinational rate effects on the performance of nano-grained pseudoelastic Nitinols
Author(s) Amini, Abbas
Cheng, Chun
Asgari, Alireza
Journal name Materials letters
Volume number 105
Start page 98
End page 101
Total pages 4
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2013
ISSN 0167-577X
Keyword(s) shape memory
phase transitions
metals and alloys
latent heat transfer
Summary Combinational loading-unloading rate effects were studied on the behavior of NiTi shape memory alloys (SMAs) under nanoindentation loads. While combinational loading rates showed negligible effects on the performance of NiTi SMAs, the combinational unloading rates did show significant effects on hysteresis energy. The heating-cooling phenomenon during the loading stage and the sole cooling during the unloading stage explain the effects. This study elucidates the nature of thermomechanical SMAs' behaviors during complex compressive loadings with the presence of solid-state phase transition.
Language eng
DOI 10.1016/j.matlet.2013.04.072
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
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Document type: Journal Article
Collections: School of Engineering
Institute for Frontier Materials
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Created: Fri, 12 Jul 2013, 15:26:08 EST

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