Repository logo
 
Publication

Effect of bead characteristics on the fatigue life of shot peened Al 7475-T7351 specimens

2020-05Journal article Open access
Simple item page
datacite.subject.fosCiências Naturais::Matemáticas
datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.fosEngenharia e Tecnologia::Engenharia dos Materiais
datacite.subject.fosEngenharia e Tecnologia::Outras Engenharias e Tecnologias
datacite.subject.fosCiências Naturais::Outras Ciências Naturais
dc.contributor.authorFerreira, N.
dc.contributor.authorJesus, J. S.
dc.contributor.authorFerreira, J. A. M.
dc.contributor.authorCapela, C.
dc.contributor.authorCosta, J. M.
dc.contributor.authorBatista, A. C.
dc.date.accessioned2025-09-30T14:48:04Z
dc.date.available2025-09-30T14:48:04Z
dc.date.issued2020-05
dc.description.abstractThe present work aims to analyse the effect of shot peening processing parameters, material and size of beads on the fatigue behaviour of aluminium alloy AA7475-T7351. A systematic study was carried out on the roughness, surface hardening, residual stress profiles and fatigue life. Fatigue tests were carried out under both three points bending (3 PB) and tensile loadings. For 3 PB tests it was concluded that shot peening does not introduce significant improvement on fatigue life and that the use of low size glass beads is potentially beneficial, with roughness being as or more important than residual stresses. All tensile treated specimens presented an improvement of fatigue life in comparison to the untreated specimens, particularly when the crack initiated internally. Internal crack propagation generates a conical fracture surface until transition to mode I propagation.eng
dc.description.sponsorshipThe authors would like to acknowledge OGMA-Indústria Aeronáutica de Portugal, in Alverca, for the collaboration in the supplying of samples used in this project, as well as FEDER for the sponsoring by way of funds through the program COMPETE – Programa Operacional Factores de Competitividade – and by national funds through FCT – Fundação para a Ciência e a Tecnologia under the project identified with the number UID/EMS/00285/2013.
dc.identifier.citationN. Ferreira, J.S. Jesus, J.A.M. Ferreira, C. Capela, J.M. Costa, A.C. Batista, Effect of bead characteristics on the fatigue life of shot peened Al 7475-T7351 specimens, International Journal of Fatigue, Volume 134, 2020, 105521, ISSN 0142-1123, https://doi.org/10.1016/j.ijfatigue.2020.105521.
dc.identifier.doi10.1016/j.ijfatigue.2020.105521
dc.identifier.issn0142-1123
dc.identifier.urihttp://hdl.handle.net/10400.8/14166
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationCentre for Mechanical Engineering
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/pii/S0142112320300529?via%3Dihub
dc.relation.ispartofInternational Journal of Fatigue
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAluminium Alloys
dc.subjectShot Peening
dc.subjectFatigue Life Enhancement
dc.subjectInternal Crack Initiation
dc.titleEffect of bead characteristics on the fatigue life of shot peened Al 7475-T7351 specimenseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Mechanical Engineering
oaire.awardURIhttp://hdl.handle.net/10400.8/14165
oaire.citation.endPage10
oaire.citation.startPage1
oaire.citation.titleInternational Journal of Fatigue
oaire.citation.volume134
oaire.fundingStreamFinanciamento do Plano de Reestruturação de Unidades de I&D - 2013/2015 - OE
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameCapela
person.givenNameCarlos
person.identifier.ciencia-id9B1E-6857-3D6B
person.identifier.orcid0000-0003-3334-4945
person.identifier.ridG-6395-2016
person.identifier.scopus-author-id7801358401
relation.isAuthorOfPublication9b079aa3-b79b-4395-b081-1f23d6a17514
relation.isAuthorOfPublication.latestForDiscovery9b079aa3-b79b-4395-b081-1f23d6a17514
relation.isProjectOfPublication772b396d-0ca3-473d-9ce8-dabfd1f8368c
relation.isProjectOfPublication.latestForDiscovery772b396d-0ca3-473d-9ce8-dabfd1f8368c

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Effect of bead characteristics on the fatigue life of shot peened Al 7475-T7351 specimens.pdf
Size:
3.16 MB
Format:
Adobe Portable Document Format
Description:
The present work aims to analyse the effect of shot peening processing parameters, material and size of beads on the fatigue behaviour of aluminium alloy AA7475-T7351. A systematic study was carried out on the roughness, surface hardening, residual stress profiles and fatigue life. Fatigue tests were carried out under both three points bending (3 PB) and tensile loadings. For 3 PB tests it was concluded that shot peening does not introduce significant improvement on fatigue life and that the use of low size glass beads is potentially beneficial, with roughness being as or more important than residual stresses. All tensile treated specimens presented an improvement of fatigue life in comparison to the untreated specimens, particularly when the crack initiated internally. Internal crack propagation generates a conical fracture surface until transition to mode I propagation.
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.32 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

ESTG - Artigos em revistas internacionais