Detail publikace

MODELING OF NON-ELASTIC DEFORMATION RESPONSE OF RUBBER NANOCOMPOSITES

ŽÍDEK, J. JANČÁŘ, J.

Originální název

Typ

článek v časopise - ostatní, Jost

Jazyk

angličtina

Originální abstrakt

This paper describes modeling of dynamic mechanical properties of heterogenous rubbery material with nanometer size inclusions. Model of calculation loading-unloading tensile curves heterogenous rubbery network was presented. The material was considered a tetrafunctional network of amorphous chains with solid inclusions. The chains in the vicinity of the inclusion were considered immobilized. The dynamic response was modeled as a time dependent of chains slippage in the entanglement. The model was tested by virtual loading-unlading experiment. The sample was deformed with defined deformation rate until double elongation and released back to the zero-stress. Numerical value of dissipated energy density was calculated as a surface delimited by tensile deformation and unloading curves. Heterogenous network showed non-elastic or nonlinearly elastic response. The tensile deformation curves and unloading curves were not aligned and dissipation of the energy during the loading unloading cycle was observed. The non-aligned loading and unloading curves were caused by energy barrier. Increase of energy barrier leaded to slower motion of chain in the entanglement and consequently to elastic response.

Klíčová slova

Inelastic, tensile curve rubber nanocomposites

Autoři

ŽÍDEK, J.; JANČÁŘ, J.

Rok RIV

2009

Vydáno

18. 12. 2009

Místo

ISSN

1790-4439

Periodikum

Journal of Nanostructured Polymers and Nanocomposites

Ročník

Číslo

Stát

Řecká republika

Strany od

Strany do

Strany počet

BibTex

@article{BUT50491,
  author="Jan {Žídek} and Josef {Jančář}",
  title="MODELING OF NON-ELASTIC DEFORMATION RESPONSE OF RUBBER NANOCOMPOSITES",
  journal="Journal of Nanostructured Polymers and Nanocomposites",
  year="2009",
  volume="5",
  number="4",
  pages="89--93",
  issn="1790-4439"
}