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Selective Laser Melting of Ti6Al4V sub-millimetric cellular structures: Prediction of dimensional deviations and mechanical performance

2021-01Artigo científico Acesso restrito
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.fosEngenharia e Tecnologia::Engenharia Médica
datacite.subject.fosCiências Naturais::Outras Ciências Naturais
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
datacite.subject.sdg12:Produção e Consumo Sustentáveis
dc.contributor.authorBartolomeu, F.
dc.contributor.authorCosta, M. M.
dc.contributor.authorAlves, N.
dc.contributor.authorMiranda, G.
dc.contributor.authorSilva, F. S.
dc.date.accessioned2026-06-01T14:49:03Z
dc.date.available2026-06-01T14:49:03Z
dc.date.issued2021-01
dc.description.abstractTi6Al4V sub-millimetric cellular structures arise as promising solutions concerning the progress of conventional orthopedic implants due to its ability to address a combination of mechanical, physical and topological properties. Such ability can improve the interaction between implant materials and surrounding bone leading to long-term successful orthopedic implants. Selective Laser Melting (SLM) capability to produce high quality Ti6Al4V porous implants is in great demand towards orthopedic biomaterials. In this study, Ti6Al4V cellular structures were designed, modeled, SLM produced and characterized targeting orthopedic implants. For that purpose, a set of tools is proposed to overcome SLM limited accuracy to produce porous biomaterials with desired dimensions and mechanical properties. Morphological analyses were performed to evaluate the dimensional deviations noticed between the model CAD and the SLM produced structures. Tensile tests were carried out to estimate the elastic modulus of the Ti6Al4V cellular structures. The present work proposes a design methodology showing the linear correlations found for the dimensions, the porosity and the elastic modulus when comparing the model CAD designs with Ti6Al4V structures by SLM.eng
dc.description.sponsorshipThis work was supported by FCT through the grant SFRH/BD/128657/2017 and the projects PTDC/EMS-TEC/5422/2014_ADAPTPROSTHESIS, NORTE-01-0145-FEDER-000018 – HAMaBICo and UID/EEA/04436/2019.
dc.identifier.citationF. Bartolomeu, M.M. Costa, N. Alves, G. Miranda, F.S. Silva, Selective Laser Melting of Ti6Al4V sub-millimetric cellular structures: Prediction of dimensional deviations and mechanical performance, Journal of the Mechanical Behavior of Biomedical Materials, Volume 113, 2021, 104123, ISSN 1751-6161, https://doi.org/10.1016/j.jmbbm.2020.104123.
dc.identifier.doi10.1016/j.jmbbm.2020.104123
dc.identifier.eissn1878-0180
dc.identifier.issn1751-6161
dc.identifier.urihttp://hdl.handle.net/10400.8/16369
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationSmart design of Titanium/NiTi cellular structured implants by Multi-Material-Selective-Laser-Melting
dc.relationMicroelectromechanical Systems Research Unit
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/pii/S1751616120306718?via%3Dihub
dc.relation.ispartofJournal of the Mechanical Behavior of Biomedical Materials
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectSelective laser melting
dc.subjectTi6Al4V
dc.subjectCellular structures
dc.subjectDesign tools
dc.subjectElastic modulus
dc.titleSelective Laser Melting of Ti6Al4V sub-millimetric cellular structures: Prediction of dimensional deviations and mechanical performanceeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberSFRH/BD/128657/2017
oaire.awardNumberUID/EEA/04436/2019
oaire.awardTitleSmart design of Titanium/NiTi cellular structured implants by Multi-Material-Selective-Laser-Melting
oaire.awardTitleMicroelectromechanical Systems Research Unit
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F128657%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FEEA%2F04436%2F2019/PT
oaire.citation.endPage9
oaire.citation.startPage1
oaire.citation.titleJournal of the Mechanical Behavior of Biomedical Materials
oaire.citation.volume113
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameAlves
person.givenNameNuno
person.identifier452149
person.identifier.ciencia-id311E-1559-8F6C
person.identifier.orcid0000-0002-5016-0868
person.identifier.ridN-4073-2013
person.identifier.scopus-author-id7006403383
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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Ti6Al4V sub-millimetric cellular structures arise as promising solutions concerning the progress of conventional orthopedic implants due to its ability to address a combination of mechanical, physical and topological properties. Such ability can improve the interaction between implant materials and surrounding bone leading to long-term successful orthopedic implants. Selective Laser Melting (SLM) capability to produce high quality Ti6Al4V porous implants is in great demand towards orthopedic biomaterials. In this study, Ti6Al4V cellular structures were designed, modeled, SLM produced and characterized targeting orthopedic implants. For that purpose, a set of tools is proposed to overcome SLM limited accuracy to produce porous biomaterials with desired dimensions and mechanical properties. Morphological analyses were performed to evaluate the dimensional deviations noticed between the model CAD and the SLM produced structures. Tensile tests were carried out to estimate the elastic modulus of the Ti6Al4V cellular structures. The present work proposes a design methodology showing the linear correlations found for the dimensions, the porosity and the elastic modulus when comparing the model CAD designs with Ti6Al4V structures by SLM.
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