Boundary identification criteria and geometry analysis of Al 7050 stretch zone from elevation profiles

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dc.contributor.authorHein, LRD
dc.contributor.authorAmmann, J. J.
dc.contributor.authorNazar, AMM
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.date.accessioned2014-05-20T13:28:08Z
dc.date.available2014-05-20T13:28:08Z
dc.date.issued1999-07-01
dc.description.abstractThis article describes the development of a method for analysis of the shape of the stretch zone surface based on parallax measurement theory and using digital image processing techniques. Accurate criteria for the definition of the boundaries of the stretch zone are established from profiles of fracture surfaces obtained from crack tip opening displacement tests on Al-7050 alloy samples. The elevation profiles behavior analysis is based on stretch zone width and height parameters. It is concluded that the geometry of the stretch zone profiles under plane strain conditions can be described by a semi-parabolic relationship. (C) Elsevier B.V., 1999. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, Fac Engn Guaratingueta, Dept Mat & Tecnol, BR-12500000 São Paulo, Brazil
dc.description.affiliationUniv Estadual Campinas, Fac Engn Mat, Dept Mat Engn, BR-13083970 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Fac Engn Guaratingueta, Dept Mat & Tecnol, BR-12500000 São Paulo, Brazil
dc.format.extent21-26
dc.identifierhttp://dx.doi.org/10.1016/S1044-5803(98)00055-2
dc.identifier.citationMaterials Characterization. New York: Elsevier B.V., v. 43, n. 1, p. 21-26, 1999.
dc.identifier.doi10.1016/S1044-5803(98)00055-2
dc.identifier.issn1044-5803
dc.identifier.urihttp://hdl.handle.net/11449/9336
dc.identifier.wosWOS:000082857800003
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofMaterials Characterization
dc.relation.ispartofjcr2.892
dc.relation.ispartofsjr1,291
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleBoundary identification criteria and geometry analysis of Al 7050 stretch zone from elevation profilesen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Guaratinguetápt

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Artigos - Materiais e Tecnologia - FEG