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Article: Fracture behavior of inclined elliptical cavities subjected to mixed-mode I and II electro-mechanical loading

TitleFracture behavior of inclined elliptical cavities subjected to mixed-mode I and II electro-mechanical loading
Authors
Issue Date2004
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/tafmec
Citation
Theoretical And Applied Fracture Mechanics, 2004, v. 41 n. 1-3, p. 125-135 How to Cite?
AbstractConsider a piezoelectric plate, which contains an inclined elliptic cavity, subjected to a remote mixed mode electro-mechanical loading. A failure criterion is extended based on the energy density factor (S) to predict the fracture path and critical load of the above-mentioned structure, by implementing the exact electric boundary conditions on the cavity surface to the analytical solutions. It is found that the energy density factor is a function of the aspect ratio of the elliptical cavity (b/a), orientation angle (β), the ratio of the electric and mechanical loading (γ = E/σ), the core region (r0) around the point of crack initiation, the permittivity of the medium in the cavity and material constants. Note that both the electric and mechanical loading are mixed mode. Moreover, it is found that the location where the minimum strain energy density (SED) (Smin) occurs is very sensitive to the variation of β, r0/a, b/a, and γ. The results obtained are quite different from those of a horizontal elliptical cavity obtained in our previous studies. © 2003 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/75868
ISSN
2015 Impact Factor: 2.025
2015 SCImago Journal Rankings: 0.835
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLee, KLen_HK
dc.contributor.authorSoh, AKen_HK
dc.contributor.authorFang, DNen_HK
dc.contributor.authorLiu, JXen_HK
dc.date.accessioned2010-09-06T07:15:21Z-
dc.date.available2010-09-06T07:15:21Z-
dc.date.issued2004en_HK
dc.identifier.citationTheoretical And Applied Fracture Mechanics, 2004, v. 41 n. 1-3, p. 125-135en_HK
dc.identifier.issn0167-8442en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75868-
dc.description.abstractConsider a piezoelectric plate, which contains an inclined elliptic cavity, subjected to a remote mixed mode electro-mechanical loading. A failure criterion is extended based on the energy density factor (S) to predict the fracture path and critical load of the above-mentioned structure, by implementing the exact electric boundary conditions on the cavity surface to the analytical solutions. It is found that the energy density factor is a function of the aspect ratio of the elliptical cavity (b/a), orientation angle (β), the ratio of the electric and mechanical loading (γ = E/σ), the core region (r0) around the point of crack initiation, the permittivity of the medium in the cavity and material constants. Note that both the electric and mechanical loading are mixed mode. Moreover, it is found that the location where the minimum strain energy density (SED) (Smin) occurs is very sensitive to the variation of β, r0/a, b/a, and γ. The results obtained are quite different from those of a horizontal elliptical cavity obtained in our previous studies. © 2003 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/tafmecen_HK
dc.relation.ispartofTheoretical and Applied Fracture Mechanicsen_HK
dc.rightsTheoretical and Applied Fracture Mechanics. Copyright © Elsevier BV.en_HK
dc.titleFracture behavior of inclined elliptical cavities subjected to mixed-mode I and II electro-mechanical loadingen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0167-8442&volume=41&issue=1-3&spage=125&epage=135&date=2004&atitle=Fracture+behavior+of+inclined+elliptical+cavities+subjected+to+mixed-mode+I+and+II+electro-mechanical+loadingen_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.tafmec.2003.11.010en_HK
dc.identifier.scopuseid_2-s2.0-1842471284en_HK
dc.identifier.hkuros88994en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-1842471284&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume41en_HK
dc.identifier.issue1-3en_HK
dc.identifier.spage125en_HK
dc.identifier.epage135en_HK
dc.identifier.isiWOS:000220750100013-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridLee, KL=7501505110en_HK
dc.identifier.scopusauthoridSoh, AK=7006795203en_HK
dc.identifier.scopusauthoridFang, DN=7202133612en_HK
dc.identifier.scopusauthoridLiu, JX=36063914500en_HK

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