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UID:0-513@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20151006T163000

DTEND;TZID=Asia/Jerusalem:20151006T173000

DTSTAMP:20230603T192653Z

URL:https://aerospace.technion.ac.il/events/mechanics-of-elastomers-based-
 on-polymer-chain-length-statistics/

SUMMARY:Mechanics of Elastomers Based on Polymer Chain Length Statistics
DESCRIPTION:Lecturer:Prof. Mikhail Itskov\n Faculty:Department of Continuum
  Mechanics\n Institute:RWTH Aachen University\, Aachen\, Germany\n Locatio
 n:Classroom 165\, ground floor\, Library\, Aerospace Eng.\n Zoom: \n Abstr
 act: \n Details: \n Polymer chain length statistics as it results from the
  polymerization process has long been known in chemistry but has not so fa
 r been applied to mechanics of elastomers. In the present contribution\, t
 his chain length statistics is incorporated into a full network model. The
  free energy of such a network results from the integral of single chain e
 nergies over the unit sphere. The so derived multi-scale model is able to 
 describe not only the elastic behavior but also inelastic effects peculiar
  to filled rubbers. These are\, in particular\, the Mullins effect\, perma
 nent set and strain induced anisotropy. Special attention is focused to mo
 delling of rubbers reinforced by carbon nanotubes. The carbon nanotubes in
 troduce additional cross-linking into the network and by this means influe
 nce the probability density function of chain lengths. Model predictions d
 emonstrate good agreement with experimental data.
CATEGORIES:Seminars
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng.

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