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Article: Fracture criteria of piezoelectric ceramics with defects

TitleFracture criteria of piezoelectric ceramics with defects
Authors
KeywordsCrack
Fracture criterion
Piezoelectric ceramic
Issue Date2004
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/mechmat
Citation
Mechanics Of Materials, 2004, v. 36 n. 10, p. 917-928 How to Cite?
AbstractIn this paper, based on a solution of an elliptic cavity in piezoelectric ceramics with uniform loading at infinity, we analyze the stress and electric fields in the limit cases of the solution when the elliptical cavity tends gradually to a crack. The result in the zone near the crack tip is different from the result in the zone far away from the crack tip. The calculation results of a PZT-4 material are presented. Two new fracture criteria are developed for piezoelectric fracture in this paper. One is based on a generalized stress intensity factor related to the stress field at the tip of the crack and another is based on the crack opening displacement (COD) related to the relative displacement of crack faces. PZT-5h ceramics with a center crack were subjected to the combined effect of mechanical load and electrical load in this experiment to analyze the effect of electric field on fracture. The measured fracture toughness of central crack specimens of poled soft lead zirconate titanate ceramics (PZT-5) is presented to compare with the theoretical results. Some existing fracture criteria are examined through the comparison of their calculation results and the experimental results. © 2003 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/75594
ISSN
2015 Impact Factor: 2.636
2015 SCImago Journal Rankings: 1.311
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFang, Den_HK
dc.contributor.authorZhang, ZKen_HK
dc.contributor.authorSoh, AKen_HK
dc.contributor.authorLee, KLen_HK
dc.date.accessioned2010-09-06T07:12:42Z-
dc.date.available2010-09-06T07:12:42Z-
dc.date.issued2004en_HK
dc.identifier.citationMechanics Of Materials, 2004, v. 36 n. 10, p. 917-928en_HK
dc.identifier.issn0167-6636en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75594-
dc.description.abstractIn this paper, based on a solution of an elliptic cavity in piezoelectric ceramics with uniform loading at infinity, we analyze the stress and electric fields in the limit cases of the solution when the elliptical cavity tends gradually to a crack. The result in the zone near the crack tip is different from the result in the zone far away from the crack tip. The calculation results of a PZT-4 material are presented. Two new fracture criteria are developed for piezoelectric fracture in this paper. One is based on a generalized stress intensity factor related to the stress field at the tip of the crack and another is based on the crack opening displacement (COD) related to the relative displacement of crack faces. PZT-5h ceramics with a center crack were subjected to the combined effect of mechanical load and electrical load in this experiment to analyze the effect of electric field on fracture. The measured fracture toughness of central crack specimens of poled soft lead zirconate titanate ceramics (PZT-5) is presented to compare with the theoretical results. Some existing fracture criteria are examined through the comparison of their calculation results and the experimental results. © 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/mechmaten_HK
dc.relation.ispartofMechanics of Materialsen_HK
dc.rightsMechanics of Materials. Copyright © Elsevier BV.en_HK
dc.subjectCracken_HK
dc.subjectFracture criterionen_HK
dc.subjectPiezoelectric ceramicen_HK
dc.titleFracture criteria of piezoelectric ceramics with defectsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0167-6636&volume=36&spage=917&epage=928&date=2004&atitle=Fracture+criteria+of+piezoelectric+ceramics+with+defectsen_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.mechmat.2003.08.011en_HK
dc.identifier.scopuseid_2-s2.0-2642517932en_HK
dc.identifier.hkuros88997en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2642517932&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume36en_HK
dc.identifier.issue10en_HK
dc.identifier.spage917en_HK
dc.identifier.epage928en_HK
dc.identifier.isiWOS:000222103600002-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridFang, D=7202133612en_HK
dc.identifier.scopusauthoridZhang, ZK=15040373600en_HK
dc.identifier.scopusauthoridSoh, AK=7006795203en_HK
dc.identifier.scopusauthoridLee, KL=7501505110en_HK

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