Nano-scale investigation of microstructural phenomenon contributing to toughening of nanoparticulate reinforced polymers

Ryan L. Karkkainen, T. Walter, A. Bujanda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The objective of the current study is to employ precise and detailed nano-scale investigation to determine the physical mechanisms that contribute to the mechanical performance benefits of nano-particulate inclusions in polymer and polymer composite materials. A significant amount of work by the research community has experimentally illustrated the effective property benefits of nano-inclusions, thus the current work has elucidated some of the phenomenological causes behind these enhancement observations in a controlled fashion through a combination of micromechanical modeling and nano-scale experimentation under SEM observation. Nano-scale Mode I and Mode II fracture specimens have been designed to allow direct observation of crack growth in a nanoparticulate-reinforced epoxy system. Modeling employing the X-FEM node enrichment scheme for investigation of arbitrary-path crack propagation has been performed. Considerations critical to the accuracy of representation as well as the tractability of computation have been developed.

Original languageEnglish (US)
Title of host publicationDynamic Behavior of Materials - Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics
Pages215-221
Number of pages7
DOIs
StatePublished - Jan 1 2013
Externally publishedYes
Event2012 Annual Conference on Experimental and Applied Mechanics - Costa Mesa, CA, United States
Duration: Jun 11 2012Jun 14 2012

Publication series

NameConference Proceedings of the Society for Experimental Mechanics Series
Volume1
ISSN (Print)2191-5644
ISSN (Electronic)2191-5652

Other

Other2012 Annual Conference on Experimental and Applied Mechanics
CountryUnited States
CityCosta Mesa, CA
Period6/11/126/14/12

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Keywords

  • Nano-inclusions
  • SEM
  • XFEM

ASJC Scopus subject areas

  • Engineering(all)
  • Computational Mechanics
  • Mechanical Engineering

Cite this

Karkkainen, R. L., Walter, T., & Bujanda, A. (2013). Nano-scale investigation of microstructural phenomenon contributing to toughening of nanoparticulate reinforced polymers. In Dynamic Behavior of Materials - Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics (pp. 215-221). (Conference Proceedings of the Society for Experimental Mechanics Series; Vol. 1). https://doi.org/10.1007/978-1-4614-4238-7_28