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Fatigue crack growth of TiAl6V4 parts produced by SLM under biaxial mode I/mode II loading

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datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.fosEngenharia e Tecnologia::Engenharia Civil
datacite.subject.fosCiências Naturais::Outras Ciências Naturais
datacite.subject.sdg07:Energias Renováveis e Acessíveis
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
dc.contributor.authorBorrego, L. P.
dc.contributor.authorJesus, J. S.
dc.contributor.authorFerreira, J. A. M.
dc.contributor.authorCosta, J. D.
dc.contributor.authorCapela, C.
dc.date.accessioned2026-04-16T15:07:08Z
dc.date.available2026-04-16T15:07:08Z
dc.date.issued2021
dc.descriptionConference name - 2nd European Conference on the Structural Integrity of Additively Manufactured Materials, ESIAM 2021; Conference date - 5 September 2021 - 8 September 2021; Conference code - 180363
dc.description.abstractMode I and mixed-mode fatigue crack growth tests were performed using compact tension shear specimens made of Ti-6Al-4V by additive manufacturing for various loading angles. The accuracy of the methodology used to determine the equivalent stress intensity factor was studied, obtaining good results in a simpler method and particularly when the crack deflection angle was included in the algorithm. The crack growth speed did not suffer significant alterations due to similar values of crack deflection angle, mode I loading predomination and similar crack closure effect. Fractured surfaces presented irregular regions consequence of intergranular separation between β phase and agglomerations of α phase.eng
dc.description.sponsorshipThe authors would like to acknowledge the sponsoring under project no. 028789, financed by the European Regional Development Fund (FEDER), through the Portugal 2020 program (PT2020), under the Regional Operational Program of the Center (CENTRO-01-0145-FEDER-028789). This research is also sponsored by FEDER funds through the program COMPETE, Programa Operacional Factores de Competitividade, and by national funds through FCT, Fundação para a Ciência e a Tecnologia, under project UIDB/00285/2020. Finally, the authors acknowledge the project POCI-01-0247-FEDER-042536, financed by European Funds, through program COMPETE2020, under the Eureka smart label S0129-AddDies.
dc.identifier.citationL.P. Borrego, J.S. Jesus, J.A.M. Ferreira, J.D. Costa, C. Capela, Fatigue crack growth of TiAl6V4 parts produced by SLM under biaxial mode I/mode II loading, Procedia Structural Integrity, Volume 34, 2021, Pages 129-134, ISSN 2452-3216, https://doi.org/10.1016/j.prostr.2021.12.019.
dc.identifier.doi10.1016/j.prostr.2021.12.019
dc.identifier.eissn2452-3216
dc.identifier.urihttp://hdl.handle.net/10400.8/16132
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationCentre for Mechanical Enginnering, Materials and Processes
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/pii/S2452321621002602?via%3Dihub
dc.relation.ispartofProcedia Structural Integrity
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectType your keywords here
dc.subjectseparated by semicolons
dc.titleFatigue crack growth of TiAl6V4 parts produced by SLM under biaxial mode I/mode II loadingeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/00285/2020
oaire.awardTitleCentre for Mechanical Enginnering, Materials and Processes
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00285%2F2020/PT
oaire.citation.endPage134
oaire.citation.startPage129
oaire.citation.titleProcedia Structural Integrity
oaire.citation.volume34
oaire.fundingStream6817 - DCRRNI ID
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
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublication9b079aa3-b79b-4395-b081-1f23d6a17514
relation.isAuthorOfPublication.latestForDiscovery9b079aa3-b79b-4395-b081-1f23d6a17514
relation.isProjectOfPublication0a3418ca-35b9-4670-a826-154cceca5a89
relation.isProjectOfPublication.latestForDiscovery0a3418ca-35b9-4670-a826-154cceca5a89

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Mode I and mixed-mode fatigue crack growth tests were performed using compact tension shear specimens made of Ti-6Al-4V by additive manufacturing for various loading angles. The accuracy of the methodology used to determine the equivalent stress intensity factor was studied, obtaining good results in a simpler method and particularly when the crack deflection angle was included in the algorithm. The crack growth speed did not suffer significant alterations due to similar values of crack deflection angle, mode I loading predomination and similar crack closure effect. Fractured surfaces presented irregular regions consequence of intergranular separation between β phase and agglomerations of α phase.
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