Accurately evaluating Young's modulus of polymers through nanoindentations: A phenomenological correction factor to the Oliver and Pharr procedure

Stefano Piccarolo, Alexander Alexeev, Stefano Piccarolo, Joachim Loos, Davide Tranchida

    Risultato della ricerca: Articlepeer review

    53 Citazioni (Scopus)

    Abstract

    The Oliver and Pharr procedure is a widely used tool to analyze nanoindentation force curves obtained on metals or ceramics. Its application to polymers is however difficult, as Young’s moduli are commonly overestimated mainly because of viscoelastic effects and pile-up. However, polymers spanning a large range of morphologies have been used in this work to introduce a phenomenological correction factor. It depends on indenter geometry: sets of calibration indentations have to be performed on some polymers with known elastic moduli to characterize each indenter.
    Lingua originaleEnglish
    Numero di pagine4
    RivistaDefault journal
    Volume89
    Stato di pubblicazionePublished - 2006

    All Science Journal Classification (ASJC) codes

    • ???subjectarea.asjc.3100.3101???

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