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Article: Characterization of notched ductile failure with continuum damage mechanics

TitleCharacterization of notched ductile failure with continuum damage mechanics
Authors
Issue Date1990
PublisherA S M E International. The Journal's web site is located at http://ojps.aip.org/ASMEJournals/Materials
Citation
Journal Of Engineering Materials And Technology, Transactions Of The Asme, 1990, v. 112 n. 4, p. 412-421 How to Cite?
AbstractA recently developed anisotropic model of continuum damage mechanics has been applied successfully to characterize ductile fracture of cracked plates under mode I and mixed mode failures. The damage model is further extended in this investigation to examine its applicability to include notch ductile fracture of thin plates containing a circular hole. Two hole sizes of 16 mm and 24 mm diameters are chosen and the specimen material is aluminum alloy 2024-T3. Fracture loads of the plates are predicted by the damage model and compared satisfactorily with those determined experimentally. This investigation provides an important confirmation that not only the anisotropic model of continuum damage mechanics but also the same failure criterion developed can be effectively employed to characterize both ductile fracture for plates containing an isolated macro-crack or circular hole which would otherwise not be possible using the conventional theory of fracture mechanics. The successful development of the unified approach to characterize ductile failure provides a vital impetus for design engineers in the general application of the theory of continuum damage mechanics to solve practical engineering problems.
Persistent Identifierhttp://hdl.handle.net/10722/156343
ISSN
2015 Impact Factor: 0.935
2015 SCImago Journal Rankings: 0.379

 

DC FieldValueLanguage
dc.contributor.authorChow, CLen_US
dc.contributor.authorSze, KYen_US
dc.date.accessioned2012-08-08T08:42:04Z-
dc.date.available2012-08-08T08:42:04Z-
dc.date.issued1990en_US
dc.identifier.citationJournal Of Engineering Materials And Technology, Transactions Of The Asme, 1990, v. 112 n. 4, p. 412-421en_US
dc.identifier.issn0094-4289en_US
dc.identifier.urihttp://hdl.handle.net/10722/156343-
dc.description.abstractA recently developed anisotropic model of continuum damage mechanics has been applied successfully to characterize ductile fracture of cracked plates under mode I and mixed mode failures. The damage model is further extended in this investigation to examine its applicability to include notch ductile fracture of thin plates containing a circular hole. Two hole sizes of 16 mm and 24 mm diameters are chosen and the specimen material is aluminum alloy 2024-T3. Fracture loads of the plates are predicted by the damage model and compared satisfactorily with those determined experimentally. This investigation provides an important confirmation that not only the anisotropic model of continuum damage mechanics but also the same failure criterion developed can be effectively employed to characterize both ductile fracture for plates containing an isolated macro-crack or circular hole which would otherwise not be possible using the conventional theory of fracture mechanics. The successful development of the unified approach to characterize ductile failure provides a vital impetus for design engineers in the general application of the theory of continuum damage mechanics to solve practical engineering problems.en_US
dc.languageengen_US
dc.publisherA S M E International. The Journal's web site is located at http://ojps.aip.org/ASMEJournals/Materialsen_US
dc.relation.ispartofJournal of Engineering Materials and Technology, Transactions of the ASMEen_US
dc.titleCharacterization of notched ductile failure with continuum damage mechanicsen_US
dc.typeArticleen_US
dc.identifier.emailSze, KY:szeky@graduate.hku.hken_US
dc.identifier.authoritySze, KY=rp00171en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0025508248en_US
dc.identifier.volume112en_US
dc.identifier.issue4en_US
dc.identifier.spage412en_US
dc.identifier.epage421en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridChow, CL=7402578536en_US
dc.identifier.scopusauthoridSze, KY=7006735060en_US

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