Mesoscale constitutive modeling of non-crystallizing filled elastomers

authored by: Ajay B. Harish, Peter Wriggers, Juliane Jungk, Nils Hojdis, Carla Recker
Abstract: Elastomers are exceptional materials owing to their ability to undergo large deformations before failure. However, due to their very low stiffness, they are not always suitable for industrial applications. Addition of filler particles provides reinforcing effects and thus enhances the material properties that render them more versatile for applications like tyres etc. However, deformation behavior of filled polymers is accompanied by several nonlinear effects like Mullins and Payne effect. To this day, the physical and chemical changes resulting in such nonlinear effect remain an active area of research. In this work, we develop a heterogeneous (or multiphase) constitutive model at the mesoscale explicitly considering filler particle aggregates, elastomeric matrix and their mechanical interaction through an approximate interface layer. The developed constitutive model is used to demonstrate cluster breakage, also, as one of the possible sources for Mullins effect observed in non-crystallizing filled elastomers.
Organisation(s): Institute of Continuum Mechanics
External Organisation(s): Continental AG
Type: Article
Journal: Computational mechanics
Volume: 57
Pages: 653-677
No. of pages: 25
ISSN: 0178-7675
Publication date: 09.01.2016
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Computational Mechanics, Ocean Engineering, Mechanical Engineering, Computational Theory and Mathematics, Computational Mathematics, Applied Mathematics
Electronic version(s): https://doi.org/10.1007/s00466-015-1251-1 (Access: Closed)
: Details in the research portal "Research@Leibniz University"

BibTeX

@article{bd66ebaeb6fe45f0920eb5eb3a1945e0,
title = "Mesoscale constitutive modeling of non-crystallizing filled elastomers",
abstract = "Elastomers are exceptional materials owing to their ability to undergo large deformations before failure. However, due to their very low stiffness, they are not always suitable for industrial applications. Addition of filler particles provides reinforcing effects and thus enhances the material properties that render them more versatile for applications like tyres etc. However, deformation behavior of filled polymers is accompanied by several nonlinear effects like Mullins and Payne effect. To this day, the physical and chemical changes resulting in such nonlinear effect remain an active area of research. In this work, we develop a heterogeneous (or multiphase) constitutive model at the mesoscale explicitly considering filler particle aggregates, elastomeric matrix and their mechanical interaction through an approximate interface layer. The developed constitutive model is used to demonstrate cluster breakage, also, as one of the possible sources for Mullins effect observed in non-crystallizing filled elastomers.",
keywords = "Carbon black, Cluster breakage, Filled elastomers, Finite element method, Mesoscale constitutive modeling, Mullins damage",
author = "Harish, {Ajay B.} and Peter Wriggers and Juliane Jungk and Nils Hojdis and Carla Recker",
year = "2016",
month = jan,
day = "9",
doi = "10.1007/s00466-015-1251-1",
language = "English",
volume = "57",
pages = "653--677",
journal = "Computational mechanics",
issn = "0178-7675",
publisher = "Springer Verlag",
number = "4",
}