Modeling of the elastic damping response of a carbon nanotube-polymer nanocomposite in the stress-strain domain using an elastic energy release approach based on stick-slip

Vasilios Spitas, Christos Spitas, Paul Michelis

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A representative volume element (RVE) involving a single carbon nanotube (CNT) embedded in a plastic matrix is used to model the elastic behavior of the nanocomposite using finite elements. When the RVE is loaded axially, the maximum shear stress at the CNT-matrix interface can exceed the interfacial shear strength causing slippage of the CNT inside the matrix. Cyclic loading causes hysteretic stress-strain behavior of the nanocomposite and dependencies on the interfacial strength, geometry, relative elastic properties of the CNT and the matrix, and volume fraction of the CNTs are investigated.

Original languageEnglish
Pages (from-to)791-800
Number of pages10
JournalMechanics of Advanced Materials and Structures
Volume20
Issue number10
DOIs
Publication statusPublished - Nov 26 2013
Externally publishedYes

Fingerprint

Stick-slip
Carbon Nanotubes
Nanocomposites
Nanotubes
Carbon nanotubes
Damping
Polymers
Carbon
Energy
Modeling
Shear Strength
Cyclic Loading
Elastic Properties
Shear Stress
Volume Fraction
Shear strength
Shear stress
Plastics
Volume fraction
Exceed

Keywords

  • carbon nanotubes
  • damping
  • nanocomposite
  • numerical modeling

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Civil and Structural Engineering
  • Materials Science(all)
  • Mathematics(all)

Cite this

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AU - Michelis, Paul

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AB - A representative volume element (RVE) involving a single carbon nanotube (CNT) embedded in a plastic matrix is used to model the elastic behavior of the nanocomposite using finite elements. When the RVE is loaded axially, the maximum shear stress at the CNT-matrix interface can exceed the interfacial shear strength causing slippage of the CNT inside the matrix. Cyclic loading causes hysteretic stress-strain behavior of the nanocomposite and dependencies on the interfacial strength, geometry, relative elastic properties of the CNT and the matrix, and volume fraction of the CNTs are investigated.

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KW - numerical modeling

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