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Nanomechanical Characterization of Single Micron-Sized Polymer Particles

He, Jianying; Zhang, Zhiliang; Kristiansen, H
Journal article, Peer reviewed
Published version
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2009JAPS_Nanomechanical+Characterization+of+Single+Micron-Sized+Polymer+Particles.pdf (Locked)
URI
http://hdl.handle.net/11250/2581612
Date
2009
Metadata
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  • Institutt for konstruksjonsteknikk [1582]
  • Publikasjoner fra CRIStin - NTNU [19961]
Original version
Journal of Applied Polymer Science. 2009, 113 (3), 1398-1405.   10.1002/app.29913
Abstract
The mechanical characterization of single micron‐sized polymer particles is very important for understanding the anisotropic conductive adhesives interconnection. In this article, a nanoindentation‐based flat punch method was employed to investigate the mechanical properties of single polymer particles. A diamond flat tip, instead of a commonly used sharp tip for indentation, was specially designed to deform single polymer particles. The maximum applied load is 10 mN and the linear loading/unloading rate is 2 mN/s. Two types of amorphous polymer particles were examined. The polymer particles display significantly different stress–strain behaviors. The material responses at different strain levels were analyzed and compared. A particle size effect, the smaller the diameter, the harder the particle, on the compression stress–strain behavior, was observed. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009
Publisher
Wiley
Journal
Journal of Applied Polymer Science

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