Repository logo
 
Publication

Fatigue Crack Growth in Maraging Steel Obtained by Selective Laser Melting

2019-10-18Journal article Open access
Simple item page
datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
datacite.subject.sdg12:Produção e Consumo Sustentáveis
dc.contributor.authorCapela, Carlos
dc.contributor.authorLima Santos, Luís
dc.contributor.authorAntunes, Fernando
dc.contributor.authorFerreira, José
dc.contributor.authorCosta, José
dc.contributor.authorJesus, Joel
dc.contributor.authorPrates, Pedro
dc.date.accessioned2025-05-29T12:47:55Z
dc.date.available2025-05-29T12:47:55Z
dc.date.issued2019-10-18
dc.descriptionApplied Sciences (Switzerland)Open AccessVolume 9, Issue 201 October 2019 Article number 4412
dc.description.abstractThe fatigue crack growth properties of G20Mn5QT cast steel and corresponding butt welds, using compact tension specimens, were monitored and investigated via acoustic emission (AE) techniques. Fatigue crack growth is a combination of cyclic plastic deformations before the crack tip, tensile crack fractures, and shear crack fractures. The cyclic plastic deformations release the maximum amount of energy, which accounts for half of the total energy, and the second-largest number of AE signals, which are of the continuous-wave type. The tensile crack fractures release the second-largest amount of energy and the largest number of AE signals, which are of the burst-wave type. The shear crack fractures release the least amount of energy and the lowest number of AE signals, which are similar to the burst type, albeit with a relatively longer rise time and duration. Crack tip advancement can be regarded as a discontinuous process. The critical area before the crack tip brittlely ruptures when the fatigue damage caused by cyclic plastic deformations reaches critical status. The ruptures produce a large number of tensile crack fractures and rare shear crack fractures. Through fractography observation, the shear crack fractures occur probabilistically around defects caused by casting or welding, which lead to stress and strain in the local complex.por
dc.description.sponsorshipThe authors acknowledge sponsorship under the project Hibsilaser, funded 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) and the Foundation for Science and Technology IP/MCTES through national funds (PIDDAC).
dc.identifier.citationAntunes, F., Santos, L., Capela, C., Ferreira, J., Costa, J., Jesus, J., & Prates, P. (2019). Fatigue Crack Growth in Maraging Steel Obtained by Selective Laser Melting. Applied Sciences, 9(20), 4412. https://doi.org/10.3390/app9204412
dc.identifier.doi10.3390/app9204412
dc.identifier.issn2076-3417
dc.identifier.urihttp://hdl.handle.net/10400.8/13026
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI
dc.relationAVALIAÇÃO DA INTEGRIDADE DE ESTRUTURAS DE MADEIRA LAMELADA-COLADA EM SERVIÇO
dc.relation.hasversionhttps://www.mdpi.com/2076-3417/9/20/4412
dc.relation.ispartofApplied Sciences
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectfatigue crack growth
dc.subjectSelective Laser Melting (SLM)
dc.subjectCrack tip Opening Displacement (CTOD)
dc.subjectcrack tip plastic deformation
dc.titleFatigue Crack Growth in Maraging Steel Obtained by Selective Laser Meltingeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAVALIAÇÃO DA INTEGRIDADE DE ESTRUTURAS DE MADEIRA LAMELADA-COLADA EM SERVIÇO
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/PIDDAC/SFRH%2FBD%2F30310%2F2006/PT
oaire.citation.issue20
oaire.citation.titleApplied Sciences
oaire.citation.volume9
oaire.fundingStreamPIDDAC
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameCapela
person.familyNameLima Santos
person.givenNameCarlos
person.givenNameLuís
person.identifier1269004
person.identifier.ciencia-id9B1E-6857-3D6B
person.identifier.ciencia-id1A1E-830E-DF42
person.identifier.orcid0000-0003-3334-4945
person.identifier.orcid0000-0002-6652-7601
person.identifier.ridG-6395-2016
person.identifier.ridF-4413-2017
person.identifier.scopus-author-id7801358401
person.identifier.scopus-author-id57196741324
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublication9b079aa3-b79b-4395-b081-1f23d6a17514
relation.isAuthorOfPublication882d100f-c74a-4209-b7ae-cd9d619b3ae7
relation.isAuthorOfPublication.latestForDiscovery882d100f-c74a-4209-b7ae-cd9d619b3ae7
relation.isProjectOfPublication74127480-0f8c-41d9-927d-ed46659b9c32
relation.isProjectOfPublication.latestForDiscovery74127480-0f8c-41d9-927d-ed46659b9c32

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
applsci-09-04412 (1).pdf
Size:
2.29 MB
Format:
Adobe Portable Document Format
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