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- Publisher Website: 10.1080/01418618508242142
- Scopus: eid_2-s2.0-0022195166
- WOS: WOS:A1985AXJ1400009
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Article: Capillary equilibria of surfaces intersected by dislocations
Title | Capillary equilibria of surfaces intersected by dislocations |
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Authors | |
Issue Date | 1985 |
Citation | Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties, 1985, v. 52, n. 6, p. 793-800 How to Cite? |
Abstract | The equilibrium shape of the pit where a dislocation intersects a free surface is calculated in a variational formalism. The constant dislocation line tension approximation, made by previous workers, is shown to be clearly inadequate for all realistic cases. Employment of a variable dislocation line tension model for the case of finite dislocation density shows the existence of two regimes of behaviour. In the first, pits formed at dislocation-surface intersections have a well defined shape and are of finite depth. However, a second regime exists, in which the pit depth is infinite and the dislocation core size exceeds the bulk value. This may result in the formation of open-core dislocations, as discussed by Frank. © 1985 Taylor & Francis Group, LLC. |
Persistent Identifier | http://hdl.handle.net/10722/303077 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Srolovitz, D. J. | - |
dc.contributor.author | Safran, S. A. | - |
dc.date.accessioned | 2021-09-15T08:24:34Z | - |
dc.date.available | 2021-09-15T08:24:34Z | - |
dc.date.issued | 1985 | - |
dc.identifier.citation | Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties, 1985, v. 52, n. 6, p. 793-800 | - |
dc.identifier.issn | 0141-8610 | - |
dc.identifier.uri | http://hdl.handle.net/10722/303077 | - |
dc.description.abstract | The equilibrium shape of the pit where a dislocation intersects a free surface is calculated in a variational formalism. The constant dislocation line tension approximation, made by previous workers, is shown to be clearly inadequate for all realistic cases. Employment of a variable dislocation line tension model for the case of finite dislocation density shows the existence of two regimes of behaviour. In the first, pits formed at dislocation-surface intersections have a well defined shape and are of finite depth. However, a second regime exists, in which the pit depth is infinite and the dislocation core size exceeds the bulk value. This may result in the formation of open-core dislocations, as discussed by Frank. © 1985 Taylor & Francis Group, LLC. | - |
dc.language | eng | - |
dc.relation.ispartof | Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties | - |
dc.title | Capillary equilibria of surfaces intersected by dislocations | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1080/01418618508242142 | - |
dc.identifier.scopus | eid_2-s2.0-0022195166 | - |
dc.identifier.volume | 52 | - |
dc.identifier.issue | 6 | - |
dc.identifier.spage | 793 | - |
dc.identifier.epage | 800 | - |
dc.identifier.isi | WOS:A1985AXJ1400009 | - |