Micro-mechanical modeling of fibrillation in amorphous polymers

Helbig, Martin; Seelig, Thomas

doi:10.1016/j.commatsci.2011.04.007

Cited by 4 publications

(1 citation statement)

References 12 publications

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“…Various models were developed and tested to simulate these responses. Rheological models extended to three-dimensional case under finite strain assumption have been proposed, for instance, by (Alcoutlabi and MartinezVega, 2003;Anand and Ames, 2006;Dupaix and Boyce, 2007;Ames et al, 2009;Anand et al, 2009;Srivastava et al, 2010;Shim and Mohr, 2011;Fleischhauer et al, 2012;Helbig and Seelig, 2012). Some of them were devoted to phenomenological modeling (Zaïri et al, 2005b;Cheng and Ghosh, 2013) or developed within a thermodynamics framework (Drozdov, 1999;Miehe et al, 2009;Bouvard et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Multi-mechanism modeling of amorphous polymers

Jeridi

Chouchene

Kéryvin

et al. 2014

Mechanics Research Communications

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The paper is devoted to a multimechanism (MM) model for the mechanical behavior of amorphous glassy polymers. A finite strain formulation through updated lagrangian formalisms is used. In the proposed phenomenological model, three mechanisms are respectively associated to three physical regimes for plastic deformation. The model was successful in describing the stress-strain behavior of glassy polymers for different strain rates and range of temperatures. The description of the three regions observed in the monotonic stress-strain curves is obtained through a coupling matrix between the isotropic hardening variables. A modular strategy based on the determination of the material parameters in three steps is proposed.

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Section: Introductionmentioning

confidence: 99%

Multi-mechanism modeling of amorphous polymers

Jeridi

Chouchene

Kéryvin

et al. 2014

Mechanics Research Communications

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Continuum-micromechanical modeling of distributed crazing in rubber-toughened polymers

Helbig

Giessen²,

Clausen

et al. 2016

European Journal of Mechanics - A/Solids

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9A micromechanics based constitutive model is developed that focuses on the effect 10 of distributed crazing in the overall inelastic deformation behavior of rubber-toughened 11 ABS (acrylonitrile-butadiene-styrene) materials. While ABS is known to exhibit craz-12 ing and shear yielding as inelastic deformation mechanisms, the present work is meant 13 to complement earlier studies where solely shear yielding was considered. In order to 14 analyse the role of either mechanism separately, we here look at the other extreme and 15 assume that the formation and growth of multiple crazes in the glassy matrix between 16 dispersed rubber particles is the major source of overall inelastic strain. This notion is 17 cast into a homogenized material model that explicitly accounts for the specific (cohesive

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A continuum-micromechanical model for crazing in glassy polymers under cyclic loading

Laschuetza,

Seelig

2024

Mechanics of Materials

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Micro-mechanical modeling of fibrillation in amorphous polymers

Cited by 4 publications

References 12 publications

Multi-mechanism modeling of amorphous polymers

Multi-mechanism modeling of amorphous polymers

Continuum-micromechanical modeling of distributed crazing in rubber-toughened polymers

A continuum-micromechanical model for crazing in glassy polymers under cyclic loading

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