Non-localized creep assessment of V-notched components: a review

dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorGallo, P.en_US
dc.contributor.authorBerto, F.en_US
dc.contributor.authorRazavi, S. M. J.en_US
dc.contributor.authorAyatollahi, M. R.en_US
dc.contributor.departmentDepartment of Energy and Mechanical Engineeringen
dc.contributor.groupauthorMarine Technologyen
dc.contributor.organizationNorwegian University of Science and Technologyen_US
dc.contributor.organizationIran University of Science and Technologyen_US
dc.date.accessioned2018-02-09T10:06:08Z
dc.date.available2018-02-09T10:06:08Z
dc.date.issued2017en_US
dc.description.abstractGeometrical discontinues such as notches need to be carefully analysed by engineers because of the stress concentration generated by them. Notches become even more important when the component is subjected, in service, to very severe conditions, such as the high temperature fatigue and imposed visco-plastic behaviour such as creep. The aim of the paper is to present an improvement and extension of the existing notch tip creep stress-strain analysis method developed by Nunez and Glinka, validated for U-notches only, to a wide variety of blunt V-notches. The key in getting the extension to blunt V-notches is the assumption of the generalized Lazzarin-Tovo solution that allows a unified approach to the evaluation of linear elastic stress fields in the neighbourhood of both cracks and notches. Numerous examples have been analysed up to date, and the stress fields obtained according to the proposed method were compared with appropriate finite element data, showing a very good agreement. In view of the promising results, authors are considering possible further extension of the method to sharp V-notches and cracks introducing the concept of the Strain Energy Density (SED). Copyright (C) 2017 The Authors. Published by Elsevier B.V.en
dc.description.versionPeer revieweden
dc.format.extent8
dc.format.extent102-109
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationGallo, P, Berto, F, Razavi, S M J & Ayatollahi, M R 2017, ' Non-localized creep assessment of V-notched components : a review ', Procedia Structural Integrity, vol. 3, pp. 102-109 . https://doi.org/10.1016/j.prostr.2017.04.014en
dc.identifier.doi10.1016/j.prostr.2017.04.014en_US
dc.identifier.issn2452-3216
dc.identifier.otherPURE UUID: ce5b7fe9-7ff9-4a31-ba54-2d48436ed732en_US
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/ce5b7fe9-7ff9-4a31-ba54-2d48436ed732en_US
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/17305025/Gallo_etal_ProStruInt_3_102.pdfen_US
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/29987
dc.identifier.urnURN:NBN:fi:aalto-201802091484
dc.language.isoenen
dc.relation.ispartofseriesProcedia Structural Integrityen
dc.relation.ispartofseriesVolume 3en
dc.rightsopenAccessen
dc.subject.keywordCreepen_US
dc.subject.keywordV-notchesen_US
dc.subject.keywordstress fieldsen_US
dc.subject.keywordsress evaluationen_US
dc.subject.keywordstrain energy densityen_US
dc.subject.keywordSTRESSen_US
dc.subject.keywordCRACKSen_US
dc.titleNon-localized creep assessment of V-notched components: a reviewen
dc.typeA4 Artikkeli konferenssijulkaisussafi
dc.type.versionpublishedVersion

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