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Article: Properties and determination of the interface stiffness

TitleProperties and determination of the interface stiffness
Authors
KeywordsSurface energy
Grain boundary migration
Interface migration
Interface stiffness
Issue Date2007
Citation
Acta Materialia, 2007, v. 55, n. 2, p. 467-471 How to Cite?
AbstractThe chemical potential of a curved interface contains a term that is proportional to the product of the interface curvature and the interface stiffness. In crystalline materials, the interface stiffness is a tensor. This paper examines several basic issues related to the properties of the interface stiffness, especially the determination of the interface stiffness in particular directions (i.e. the commonly used scalar form of the interface stiffness). Of the five parameters that describe an arbitrary grain boundary, only those describing the inclination are crucial for the scalar stiffness. We also examine the influence of crystal symmetry on the stiffness tensor for both free surfaces and grain boundaries. This results in substantial simplifications for cases in which interfaces possess mirror or rotational symmetries. An efficient method for determining the interface stiffness tensor using atomistic simulations is proposed. © 2006 Acta Materialia Inc.
Persistent Identifierhttp://hdl.handle.net/10722/303290
ISSN
2023 Impact Factor: 8.3
2023 SCImago Journal Rankings: 2.916
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorDu, Danxu-
dc.contributor.authorZhang, Hao-
dc.contributor.authorSrolovitz, David J.-
dc.date.accessioned2021-09-15T08:25:00Z-
dc.date.available2021-09-15T08:25:00Z-
dc.date.issued2007-
dc.identifier.citationActa Materialia, 2007, v. 55, n. 2, p. 467-471-
dc.identifier.issn1359-6454-
dc.identifier.urihttp://hdl.handle.net/10722/303290-
dc.description.abstractThe chemical potential of a curved interface contains a term that is proportional to the product of the interface curvature and the interface stiffness. In crystalline materials, the interface stiffness is a tensor. This paper examines several basic issues related to the properties of the interface stiffness, especially the determination of the interface stiffness in particular directions (i.e. the commonly used scalar form of the interface stiffness). Of the five parameters that describe an arbitrary grain boundary, only those describing the inclination are crucial for the scalar stiffness. We also examine the influence of crystal symmetry on the stiffness tensor for both free surfaces and grain boundaries. This results in substantial simplifications for cases in which interfaces possess mirror or rotational symmetries. An efficient method for determining the interface stiffness tensor using atomistic simulations is proposed. © 2006 Acta Materialia Inc.-
dc.languageeng-
dc.relation.ispartofActa Materialia-
dc.subjectSurface energy-
dc.subjectGrain boundary migration-
dc.subjectInterface migration-
dc.subjectInterface stiffness-
dc.titleProperties and determination of the interface stiffness-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.actamat.2006.08.038-
dc.identifier.scopuseid_2-s2.0-33845431695-
dc.identifier.volume55-
dc.identifier.issue2-
dc.identifier.spage467-
dc.identifier.epage471-
dc.identifier.isiWOS:000243668200006-

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