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Article: A moving dislocation in a magneto-electro-elastic solid

TitleA moving dislocation in a magneto-electro-elastic solid
Authors
KeywordsMagneto-electro-elastic material
Magnetoelectric
Moving dislocation
Piezoelectric
Piezomagnetic
Issue Date2005
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/mechrescom
Citation
Mechanics Research Communications, 2005, v. 32 n. 5, p. 504-513 How to Cite?
AbstractThis work considers the generalized plane problem of a moving dislocation in an anisotropic elastic medium with piezoelectric, piezomagnetic and magnetoelectric effects. The closed-form expressions for the elastic, electric and magnetic fields are obtained using the extended Stroh formalism for steady-state motion. The radial components, Er and Hr, of the electric and magnetic fields as well as the hoop components, D θ and Bθ, of electric displacement and magnetic flux density are found to be independent of θ in a polar coordinate system. This interesting phenomenon is proven to be is a consequence of the electric and magnetic fields, electric displacement and magnetic flux density that exhibit the singularity r-1 near the dislocation core. As an illustrative example, the more explicit results for a moving dislocation in a transversely isotropic magneto-electro-elastic medium are provided and the behavior of the coupled fields is analyzed in detail. © 2005 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/75825
ISSN
2015 Impact Factor: 1.4
2015 SCImago Journal Rankings: 0.937
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLiu, JXen_HK
dc.contributor.authorSoh, AKen_HK
dc.contributor.authorFang, DNen_HK
dc.date.accessioned2010-09-06T07:14:56Z-
dc.date.available2010-09-06T07:14:56Z-
dc.date.issued2005en_HK
dc.identifier.citationMechanics Research Communications, 2005, v. 32 n. 5, p. 504-513en_HK
dc.identifier.issn0093-6413en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75825-
dc.description.abstractThis work considers the generalized plane problem of a moving dislocation in an anisotropic elastic medium with piezoelectric, piezomagnetic and magnetoelectric effects. The closed-form expressions for the elastic, electric and magnetic fields are obtained using the extended Stroh formalism for steady-state motion. The radial components, Er and Hr, of the electric and magnetic fields as well as the hoop components, D θ and Bθ, of electric displacement and magnetic flux density are found to be independent of θ in a polar coordinate system. This interesting phenomenon is proven to be is a consequence of the electric and magnetic fields, electric displacement and magnetic flux density that exhibit the singularity r-1 near the dislocation core. As an illustrative example, the more explicit results for a moving dislocation in a transversely isotropic magneto-electro-elastic medium are provided and the behavior of the coupled fields is analyzed in detail. © 2005 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/mechrescomen_HK
dc.relation.ispartofMechanics Research Communicationsen_HK
dc.subjectMagneto-electro-elastic materialen_HK
dc.subjectMagnetoelectricen_HK
dc.subjectMoving dislocationen_HK
dc.subjectPiezoelectricen_HK
dc.subjectPiezomagneticen_HK
dc.titleA moving dislocation in a magneto-electro-elastic soliden_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0093-6413&volume=32&issue=5&spage=504&epage=513&date=2005&atitle=A+moving+dislocation+in+a+magneto-electro-elastic+soliden_HK
dc.identifier.emailSoh, AK:aksoh@hkucc.hku.hken_HK
dc.identifier.authoritySoh, AK=rp00170en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.mechrescom.2005.02.009en_HK
dc.identifier.scopuseid_2-s2.0-21244447341en_HK
dc.identifier.hkuros116607en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-21244447341&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume32en_HK
dc.identifier.issue5en_HK
dc.identifier.spage504en_HK
dc.identifier.epage513en_HK
dc.identifier.isiWOS:000230608800003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridLiu, JX=36063914500en_HK
dc.identifier.scopusauthoridSoh, AK=7006795203en_HK
dc.identifier.scopusauthoridFang, DN=7202133612en_HK

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