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Nanomechanical Quantification of Polymer Energy Absorption

Published online by Cambridge University Press:  01 February 2011

Catherine A. Tweedie ,
James F. Smith  and
Krystyn J. Van Vliet
Catherine A. Tweedie
Affiliation:
Department of Materials Science, Massachusetts Institute of Technology, MA, U.S.A.
James F. Smith
Affiliation:
Micro Materials Limited, Unit 3, Wrexham Technology Park, Wrexham, LL13 7YP, U.K.
Krystyn J. Van Vliet
Affiliation:
Department of Materials Science, Massachusetts Institute of Technology, MA, U.S.A.
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Abstract

Mechanical characterization of polymeric thin films and small volume structures is critical to device development in industrial applications ranging from low-k dielectric microelectronic packaging films to engineered and natural biological substrata. Although nanoindentation has the potential to quantify mechanical properties of polymeric systems, the established analyses developed for metals and ceramics (eg, calculation of hardness and Young's modulus) do not capture key aspects of viscoelastoplastic deformation and are therefore not quantitatively applicable. Here, we present a set of complementary, nanoscale contact-based experimental approaches that together characterize specific energy absorption as a unique mechanical characteristic of polymers, and provide examples for a set of amorphous polymers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 841: Symposium R – Fundamentals of Nanoindentation and Nanotribology III , 2004 , R5.6
Copyright
Copyright © Materials Research Society 2005

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References

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