Estimation of the effective elastic constants of bone scaffolds fabricated by direct ink writing

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dc.contributor.authorSkalka, Petrcs
dc.contributor.authorSlámečka, Karelcs
dc.contributor.authorMontufar Jimenez, Edgar Benjamincs
dc.contributor.authorČelko, Ladislavcs
dc.coverage.issue4cs
dc.coverage.volume39cs
dc.date.issued2019-04-01cs
dc.description.abstractDirect ink writing is a popular method for fabrication of scaffolds, yet its widespread usage in clinical practice requires guarantee of compatibility of a scaffold with bone tissues. Mechanical compatibility is mandatory to prevent stress shielding and is expressed using the difference between effective elastic constants (EECs) of a scaffold and tissue. In this paper, the solution for EECs of a calcium phosphate scaffold is derived for any combination of input parameters, inclusive of the contact radius at the joints, a feature arising mainly from the rheological properties of the ink. The model was validated by the comparison with data from the literature and those obtained from tests on produced scaffolds and monoliths. The contact radius significantly influences the elastic response and local stresses in the structure. The inverse solution can be used for estimation of bulk properties and is also helpful for the quality assessment of fabrication process.en
dc.formattextcs
dc.format.extent1586-1594cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationJournal of the European Ceramic Society. 2019, vol. 39, issue 4, p. 1586-1594.en
dc.identifier.doi10.1016/j.jeurceramsoc.2018.12.024cs
dc.identifier.issn0955-2219cs
dc.identifier.orcid0000-0002-7863-3372cs
dc.identifier.orcid0000-0001-8847-075Xcs
dc.identifier.orcid0000-0002-8122-4000cs
dc.identifier.orcid0000-0003-0264-3483cs
dc.identifier.other153381cs
dc.identifier.researcheridG-9615-2014cs
dc.identifier.researcheridD-9475-2012cs
dc.identifier.researcheridF-8040-2016cs
dc.identifier.researcheridD-6870-2012cs
dc.identifier.scopus56389611100cs
dc.identifier.scopus16242487800cs
dc.identifier.scopus23397943300cs
dc.identifier.scopus25621022900cs
dc.identifier.urihttp://hdl.handle.net/11012/244133
dc.language.isoencs
dc.publisherElsevier Ltd.cs
dc.relation.ispartofJournal of the European Ceramic Societycs
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S0955221918307398?via%3Dihubcs
dc.rights(C) Elsevier Ltd.cs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/0955-2219/cs
dc.subjectBone scaffolden
dc.subjectDirect ink writingen
dc.subjectBioceramicsen
dc.subjectEffective elastic constantsen
dc.subjectFinite element modellingen
dc.titleEstimation of the effective elastic constants of bone scaffolds fabricated by direct ink writingen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionsubmittedVersionen
sync.item.dbidVAV-153381en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 16:10:44en
sync.item.modts2025.01.17 15:37:13en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Pokročilé instrumentace a metody pro charakterizace materiálůcs
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Pokročilé instrumentace a metody pro charakterizace materiálů