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Large deformation of nitinol under shear dominant loading

Daly, S. and Rittel, D. and Bhattacharya, K. and Ravichandran, G. (2009) Large deformation of nitinol under shear dominant loading. Experimental Mechanics, 49 (2). pp. 225-233. ISSN 0014-4851. https://resolver.caltech.edu/CaltechAUTHORS:20090519-114619132

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Abstract

Full-field quantitative strain maps of phase transformation and plasticity in Nitinol under large shear-dominated deformation are presented. To achieve a shear-dominated deformation mode with relatively uniform stresses and strains, a shear compression specimen (SCS) geometry was utilized. Shear deformation appears to impede the development of the strain localization during phase transformation that is seen in uniaxial testing. The shear-dominant deformation of Nitinol in the plastic regime exhibits low hardening and results in the development of significant strain inhomogeneity.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1007/s11340-008-9178-5DOIArticle
http://link.springer.com/article/10.1007%2Fs11340-008-9178-5PublisherArticle
ORCID:
AuthorORCID
Bhattacharya, K.0000-0003-2908-5469
Additional Information:© 2008 Society for Experimental Mechanics. Received: 7 January 2008; accepted: 25 August 2008; published online: 3 October 2008. We gratefully acknowledge the support of the Army Research Office (W911NF-04-1-0156), the National Science Foundation (DMS-0311788) and the Powell foundation. We thank Correlated Solutions, Inc. for providing the DIC correlation software used in these experiments.
Group:GALCIT
Funders:
Funding AgencyGrant Number
Army Research Office (ARO)W911NF-04-1-0156
NSFDMS-0311788
Powell FoundationUNSPECIFIED
Subject Keywords:Shape-memory alloy; Nitinol; Shear; Digital image correlation
Issue or Number:2
Record Number:CaltechAUTHORS:20090519-114619132
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20090519-114619132
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:14269
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:13 Aug 2009 23:03
Last Modified:03 Oct 2019 00:48

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