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Influencing the Indentation Curves by the Bluntness of the Berkovich Indenter at the Fem Modelling

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F20%3A00535276" target="_blank" >RIV/61388998:_____/20:00535276 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216305:26210/20:PU136685 RIV/68378271:_____/20:00535276

  • Result on the web

    <a href="https://ojs.cvut.cz/ojs/index.php/APP/article/view/6706" target="_blank" >https://ojs.cvut.cz/ojs/index.php/APP/article/view/6706</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.14311/APP.2020.27.0131" target="_blank" >10.14311/APP.2020.27.0131</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Influencing the Indentation Curves by the Bluntness of the Berkovich Indenter at the Fem Modelling

  • Original language description

    The influence of the Berkovich indenter bluntness on the indentation curves at nanoindentation test of fused silica is determined by the FEM (finite element method) in this paper. The Berkovich indenter, which is mostly used for the nanoindentation test, was assumed for calculations. The indenter is always blunted in real tests. The bluntness of the indenter has an influence on the results of the nanoindentation test. The combination of the nanoindentation test and the FE modelling can be used for the calculation of the parameters of fused silica plasticity and estimation of the bluntness of the indenter. In this paper, the FEM was used for calculating of the indentation curves. Two cases of bluntness were assumed. The curves for ideally sharp or blunted indenter were determined. The results of these calculations showed that the indentation curves are dependent on the bluntness of the Berkovich indenter. The greatest relative influence of the nanoindentation curves by the bluntness is in the area of small values of the indenter displacement. The impact of assuming blunted indenter to calculated parameters of plasticity was assessed. It is often difficult to measure the bluntness of the indenter but it has an influence on the results of the nanoindentation test and should be included into calculations to make it more precise.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20302 - Applied mechanics

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Acta Polytechnica CTU Proceedings

  • ISBN

    978-80-01-06735-2

  • ISSN

    2336-5382

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

    131-135

  • Publisher name

    CTU

  • Place of publication

    Prague

  • Event location

    Praha

  • Event date

    Nov 6, 2019

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article