Laser surface texturing of Ti-6Al-4V by nanosecond laser: surface characterization, Ti-oxide layer analysis and its electrical insulation performance

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dc.contributor.authorNascimento, Rubens Maribondo do
dc.contributor.authorMoura, Caroline Gomes
dc.contributor.authorCarvalho, Oscar
dc.contributor.authorGonçalves, Luis Miguel V.
dc.contributor.authorCerqueira, Maria de Fátima
dc.contributor.authorSilva, Filipe Samuel
dc.date.accessioned2021-12-20T17:59:56Z
dc.date.available2021-12-20T17:59:56Z
dc.date.issued2019-11
dc.description.resumoThe development of smart biomedical implants with intrinsic communication system between sensors and actuators, or between implant and patient, remains a challenge for scientific community. Titanium and its alloys, especially Ti6Al4V, are the most used materials in the implant's fabrication. The present work is concerned with implant internal communication printing process and presents a detailed study o titanium alloy (Ti6Al4V) surface texturing and their characterization (morphological and chemical) produced by a Nd: YAG laser, aiming to create localized electrical insulation zones, necessary to accommodate electrical communication systems. The characterization of the textured surface was carried out by scanning electron microscopy and the heat affected zone was analyzed by X-ray diffraction. The results showed the formation of α-Ti, Ti6O and Ti2O phases on the textured surface. Through simulations in TINA software, the outer oxide layer formed during laser texturing had efficiency above 90% as insulator when an electrical current was appliedpt_BR
dc.identifier.citationMOURA, C. G.; CARVALHO, O.; GONÇALVES, L. M. V.; CERQUEIRA, M. F.; NASCIMENTO, R.; SILVA, F. Laser surface texturing of Ti-6Al-4V by nanosecond laser: surface characterization, ti-oxide layer analysis and its electrical insulation performance. Materials Science and Engineering: C, [S.L.], v. 104, p. 109901-109901, nov. 2019. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0928493119307714?via%3Dihub. Acesso em: 31 mar. 2021. http://dx.doi.org/10.1016/j.msec.2019.109901.pt_BR
dc.identifier.doi10.1016/j.msec.2019.109901
dc.identifier.issn0928-4931
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/45492
dc.languageenpt_BR
dc.publisherElsevierpt_BR
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/br/*
dc.subjectLaser surface texturingpt_BR
dc.subjectTi-6Al-4Vpt_BR
dc.subjectNanosecond laserpt_BR
dc.subjectTi-oxide layerpt_BR
dc.subjectElectrical insulation performancept_BR
dc.titleLaser surface texturing of Ti-6Al-4V by nanosecond laser: surface characterization, Ti-oxide layer analysis and its electrical insulation performancept_BR
dc.typearticlept_BR

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