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Influence of sandblasting and acid etching on fatigue properties of\nultra-fine grained Ti grade 4 for dental implants

  1. 1.
    SYSNO ASEP0531638
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleInfluence of sandblasting and acid etching on fatigue properties of
    ultra-fine grained Ti grade 4 for dental implants
    Author(s) Fintová, Stanislava (UFM-A) ORCID
    Kuběna, Ivo (UFM-A) RID, ORCID
    Palán, J. (CZ)
    Mertová, K. (CZ)
    Duchek, M. (CZ)
    Hutař, Pavel (UFM-A) RID, ORCID
    Pastorek, F. (SK)
    Kunz, Ludvík (UFM-A) RID, ORCID
    Number of authors8
    Article number104016
    Source TitleJournal of the Mechanical Behavior of Biomedical Materials. - : Elsevier - ISSN 1751-6161
    Roč. 111, NOV (2020)
    Number of pages10 s.
    Languageeng - English
    CountryNL - Netherlands
    KeywordsFatigue ; CP Ti grade 4 ; UFG ; Fatigue crack initiation ; SLA
    Subject RIVJG - Metallurgy
    OECD categoryMaterials engineering
    R&D ProjectsLQ1601 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
    Method of publishingLimited access
    Institutional supportUFM-A - RVO:68081723
    UT WOS000575377200004
    EID SCOPUS85089275388
    DOI10.1016/j.jmbbm.2020.104016
    AnnotationCommercially pure Ti is a typical material for dental implants. Besides oral environmental effects, implants are seriously mechanically loaded during the lifetime. Mechanical resistance of coarse and ultra-fine grained Ti grade 4 was investigated. Significant grain size refinement resulting in the 65% increase of the proof stress is reported. The fatigue endurance limit increased from 523 MPa to 698 MPa due to grain refinement. The influence of sandblasting combined with acid etching on fatigue damage of both material states was analyzed. The surface treatment was proven as detrimental to the fatigue properties of both material states, due to reduction of the fatigue initiation stage. Nevertheless, the fatigue endurance limit of the surface-treated ultra-fine grained material remained higher than the fatigue endurance limit of the coarse-grained material without surface treatment. Reported results confirm better mechanical resistance of ultra-fine grained materials for dental implants in the comparison with coarse-grain one.
    WorkplaceInstitute of Physics of Materials
    ContactYvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485
    Year of Publishing2021
    Electronic addresshttps://www.sciencedirect.com/science/article/pii/S1751616120305671?via%3Dihub
Number of the records: 1  

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