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An experimental investigation of domain wall motion in polycrystalline Ni during high-rate compressive loading

Ghosh, Dipankar and Bah, Abubakarr and Carman, Gregory P. and Ravichandran, Guruswami (2016) An experimental investigation of domain wall motion in polycrystalline Ni during high-rate compressive loading. Smart Materials and Structures, 25 (1). Art. No. 01LT03. ISSN 0964-1726. http://resolver.caltech.edu/CaltechAUTHORS:20160204-133949920

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Abstract

This paper describes experimental data on a polycrystalline nickel subjected to compressive loads induced in a split Hopkinson pressure bar test. A perpendicular bias magnetic field with respect to the loading direction is used to orient the domains and a pick-up coil measures the magnetic response of the sample during loading. Utilizing this experimental configuration, this study investigated the coupled effects of the magnetic and mechanical fields on domain wall motion in a polycrystalline magnetostrictive material (Ni) during the high-rate elastic loading. The experimental measurements reveal that the magnitude of the stress-induced magnetization change is dependent upon bias magnetic field.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/0964-1726/25/1/01LT03 DOIArticle
http://iopscience.iop.org/article/10.1088/0964-1726/25/1/01LT03/metaPublisherArticle
Additional Information:© 2016 IOP Publishing Ltd. Received 15 October 2015. Accepted 13 November 2015. Published 7 December 2015.
Group:GALCIT
Record Number:CaltechAUTHORS:20160204-133949920
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160204-133949920
Official Citation:Dipankar Ghosh et al 2016 Smart Mater. Struct. 25 01LT03
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:64234
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:04 Feb 2016 21:51
Last Modified:29 Sep 2016 23:17

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