Characterization of viscoelastic properties of polymeric materials through nanoindentation

Nanoindentation testing was used to determine the dynamic viscoelastic properties of eight polymer materials, which include three high-performance polymers and five densities of high-density polyethylene. It was determined that varying the harmonic frequency of nanoindentation does not have a signif...

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Bibliographic Details
Published in:Experimental mechanics 2005-04, Vol.45 (2), p.130-136
Main Authors: ODEGARD, G. M, GATES, T. S, HERRING, H. M
Format: Article
Language:English
Subjects:
Dynamic testing
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Materials
Measurement
Measurement and testing methods
Mechanical properties
Methods
Physics
Polymers
Solid mechanics
Structural and continuum mechanics
Testing
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
Viscoelastic materials
Viscoelasticity
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Summary:Nanoindentation testing was used to determine the dynamic viscoelastic properties of eight polymer materials, which include three high-performance polymers and five densities of high-density polyethylene. It was determined that varying the harmonic frequency of nanoindentation does not have a significant effect on the measured storage and loss moduli of the polymers. Agreement was found between these nanoindentation results and data from bulk dynamic mechanical testing of the same materials. Varying the harmonic amplitude of the nanoindentation had a limited effect on the measured viscoelastic properties of the resins. However, storage and loss moduli from nanoindentation were shown to be sensitive to changes in the density of the polyethylene.
ISSN:0014-4851
1741-2765
DOI:10.1007/bf02428185