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CALCULATION OF THE CERAMICS MATERIAL PARAMETERS FROM THE TESTING DESTRUCTIONS OF THE HEADS

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F06%3APU62656" target="_blank" >RIV/00216305:26210/06:PU62656 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    CALCULATION OF THE CERAMICS MATERIAL PARAMETERS FROM THE TESTING DESTRUCTIONS OF THE HEADS

  • Original language description

    This paper deals with increasing of the computation modelling level of the reliability problem of ceramic heads of total hip joint endoprostheses. The solution to this problem was invoked by recent more frequent failures of these heads in clinical practice. Results of computational and experimental modelling have shown a substantial influence of shape deviations in the conical connection between stem and head on the initiation of ceramic head fractures. The fracture probability was evaluated step by steep for various macroscopic shape deviations in the conical connection and then for microscopic shape deviations superposed on the macroscopic deviations. The solution to the problem of ceramic head reliability requires realization of two computational models: one for determination of stress states and another one for evaluation of the fracture probability. Material characteristics of ceramics used in fracture probability evaluation have been determined by a three-point-bending test till

  • Czech name

    Určení parametrů keramického materiálu z destrukcí keramických hlavic

  • Czech description

    Příspěvek se zabývá problematikou zvýšení úrovně výpočtového modelování pravděpodobnosti porušení keramických hlavic totálních kyčelních endoprotéz. Zvýšení úrovně spočívá v určení materiálových parametrů keramického materiálu přímno z destrukcí keramických hlavic.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BO - Biophysics

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Engineering Mechanics 2006

  • ISBN

    80-86246-27-2

  • ISSN

  • e-ISSN

  • Number of pages

    2

  • Pages from-to

    76-77

  • Publisher name

    ÚTAM AV ČR

  • Place of publication

    Svratka

  • Event location

    Svratka

  • Event date

    May 15, 2006

  • Type of event by nationality

    CST - Celostátní akce

  • UT code for WoS article