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

D. Tranchida; S. Piccarolo; J. Loos; A.A. Alexeev

doi:10.1063/1.2364863

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

D. Tranchida
, S. Piccarolo
, J. Loos
, A.A. Alexeev

Research output: Contribution to journal › Article › Academic › peer-review

61 Citations (Scopus)

250 Downloads (Pure)

Abstract

The Oliver and Pharr [J. Mater. Res. 7, 1564 (1992)] 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 pileup. 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

Original language	English
Article number	171905
Pages (from-to)	171905-1/3
Number of pages	3
Journal	Applied Physics Letters
Volume	89
Issue number	17
DOIs	https://doi.org/10.1063/1.2364863
Publication status	Published - 2006

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AU - Alexeev, A.A.

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

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