Kuo, Hsin-Yi and Bhattacharya, Kaushik (2013) Fibrous composites of piezoelectric and piezomagnetic phases. Mechanics of Materials, 60 . pp. 159-170. ISSN 0167-6636 . http://resolver.caltech.edu/CaltechAUTHORS:20130523-100758825
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We propose a theoretical framework for evaluation of magnetoelectroelastic potentials in a fibrous composite with piezoelectric and piezomagnetic phases, motivated by the technological desire for materials with large magnetoelectric coupling. We show that the problem with transversely isotropic phases can be decomposed into two independent problems, plane strain with transverse electromagnetic fields and anti-plane shear with in-plane electromagnetic fields. We then consider the second problem in detail, and generalize the classic work of Lord Rayleigh (1892) to obtain the electrostatic potential in an ordered conductive composite and its extension to a disordered system by Kuo and Chen (2008) to the current coupled magnetoelectroelastic problem. We use this method to study BaTiO_3–CoFe_2O_4 composites and provide insights into obtaining large effective magnetoelectric coefficient.
|Additional Information:||© 2012 Elsevier Ltd. Received 23 March 2010; Received in revised form 18 October 2012; Available online 4 January 2013. This work was conducted while H.-Y. Kuo held a visit at the California Institute of Technology. We are grateful to National Science Council, Taiwan, under contract NSC-0-95-SAF-I-564-622-TMS for the Taiwan Merit Scholarship that enabled this visit. We are also grateful to the financial support of the US Army Research Office (W911NF-07–1-0410).|
|Subject Keywords:||Magnetoelectricity; Fibrous composite; Piezoelectric; Piezomagnetic|
|Official Citation:||Hsin-Yi Kuo, Kaushik Bhattacharya, Fibrous composites of piezoelectric and piezomagnetic phases, Mechanics of Materials, Volume 60, July 2013, Pages 159-170, ISSN 0167-6636, 10.1016/j.mechmat.2012.12.004.|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||03 Jun 2013 18:39|
|Last Modified:||25 Aug 2015 20:58|
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