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Conference Paper: Mobility of non-planar screw dislocations ahead of a mode III crack tip

TitleMobility of non-planar screw dislocations ahead of a mode III crack tip
Authors
Ngan, AHWZhang, HF
KeywordsPhysics engineering chemistry
Issue Date1999
PublisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/epubs/proceedings/spring2004/index.html
Citation
Materials Research Society Symposium - Proceedings, 1999, v. 539, p. 69-74 How to Cite?
AbstractUsing the generalized Peierls-Nabarro model, the interaction between a model III crack tip and three-fold dissociated screw dislocation is addressed. It is assumed that the entire content of the dislocation emerge from the crack-tip in a fashion similar to what has been considered previously. It is shown that when the dislocation is situated at a distance comparable to its core size from the crack tip, the image effects of the crack modify the core configuration, and the mobility of the dislocation is greatly affected.
Persistent Identifierhttp://hdl.handle.net/10722/46652
ISSN
0272-9172
2019 SCImago Journal Rankings: 0.114
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorNgan, AHWen_HK
dc.contributor.authorZhang, HFen_HK
dc.date.accessioned2007-10-30T06:55:07Z-
dc.date.available2007-10-30T06:55:07Z-
dc.date.issued1999en_HK
dc.identifier.citationMaterials Research Society Symposium - Proceedings, 1999, v. 539, p. 69-74en_HK
dc.identifier.issn0272-9172en_HK
dc.identifier.urihttp://hdl.handle.net/10722/46652-
dc.description.abstractUsing the generalized Peierls-Nabarro model, the interaction between a model III crack tip and three-fold dissociated screw dislocation is addressed. It is assumed that the entire content of the dislocation emerge from the crack-tip in a fashion similar to what has been considered previously. It is shown that when the dislocation is situated at a distance comparable to its core size from the crack tip, the image effects of the crack modify the core configuration, and the mobility of the dislocation is greatly affected.en_HK
dc.format.extent290850 bytes-
dc.format.extent41180 bytes-
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dc.languageengen_HK
dc.publisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/epubs/proceedings/spring2004/index.htmlen_HK
dc.relation.ispartofMaterials Research Society Symposium - Proceedingsen_HK
dc.rightsMaterials Research Society Symposium Proceedings. Copyright © Materials Research Society.en_HK
dc.subjectPhysics engineering chemistryen_HK
dc.titleMobility of non-planar screw dislocations ahead of a mode III crack tipen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0272-9172&volume=539&spage=69&epage=74&date=1999&atitle=Mobility+of+non-planar+screw+dislocations+ahead+of+a+mode+III+crack+tipen_HK
dc.identifier.emailNgan, AHW:hwngan@hkucc.hku.hken_HK
dc.identifier.authorityNgan, AHW=rp00225en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.scopuseid_2-s2.0-0032591952en_HK
dc.identifier.hkuros48992-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032591952&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume539en_HK
dc.identifier.spage69en_HK
dc.identifier.epage74en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridNgan, AHW=7006827202en_HK
dc.identifier.scopusauthoridZhang, HF=7409198080en_HK
dc.identifier.issnl0272-9172-

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