Journal ArticleDOI
Damage based constitutive relationships in semi-crystalline polymer by using multi-mechanisms model
TLDR
In this article, the deformation and damage micro-mechanisms of polyamide 6 were investigated by using Synchrotron Radiation Tomography technique and notched round bars with two notch radii, enabling void growth mechanisms enhancement were used.About:
This article is published in International Journal of Plasticity.The article was published on 2013-12-01. It has received 51 citations till now. The article focuses on the topics: Porosity & Hydrostatic stress.read more
Citations
More filters
Journal ArticleDOI
A thermo-mechanical large deformation constitutive model for polymers based on material network description: Application to a semi-crystalline polyamide 66
TL;DR: A visco-hyperelastic constitutive model based on an original approach initially developed by (Billon, 2012) and applied to amorphous rubbery polymers for a one-dimensional formalism, was extended in this paper to three-dimensional constitutive equations based on a thermodynamic framework.
Journal ArticleDOI
Finite-strain elasto-viscoplastic behavior of an epoxy resin: Experiments and modeling in the glassy regime
TL;DR: In this article, the finite deformation response of an epoxy resin is investigated in the glassy regime using a constitutive relation that accounts for thermally activated yielding, pressure-sensitivity, strain softening and molecular chain reorientation.
Journal ArticleDOI
A model for ductile damage prediction at low stress triaxialities incorporating void shape change and void rotation
TL;DR: In this paper, a Gurson-like nonlinear homogenization-based model (namely GVAR) is proposed and compared with the constitutive models for elasto-plastic porous materials developed in Kailasam and Ponte Castaneda (1998) (VAR model) and Danas and Aravas (2012) (MVAR).
Journal ArticleDOI
Transversely isotropic hyperelastic-viscoplastic model for glassy polymers with application to additive manufactured photopolymers
Pu Zhang,Albert C. To +1 more
TL;DR: In this paper, a transversely isotropic hyperelastic-viscoplastic model is proposed to predict the inelastic deformation and failure of glassy polymers with such an effect.
References
More filters
Journal ArticleDOI
Continuum Theory of Ductile Rupture by Void Nucleation and Growth: Part I—Yield Criteria and Flow Rules for Porous Ductile Media
Journal ArticleDOI
Analysis of the cup-cone fracture in a round tensile bar
Viggo Tvergaard,Alan Needleman +1 more
TL;DR: In this article, a set of elastic-plastic constitutive relations that account for the nucleation and growth of micro-voids is used to model the failure of a round tensile test specimen.
Journal ArticleDOI
Continuum micro-mechanics of elastoplastic polycrystals
TL;DR: In this article, the internal inhomogeneities of stress and strain in an arbitrarily deformed aggregate of elasto-plastic crystals are evaluated theoretically using a tensor constitutive law of a general kind.
Journal ArticleDOI
On localization in ductile materials containing spherical voids
TL;DR: In this article, an axisymmetric numerical model and a set of approximate constitutive equations for a voided material suggested by Gurson were used to analyse bifurcation into a localized mode.
Journal ArticleDOI
An extension of the self-consistent scheme to plastically-flowing polycrystals
M. Berveiller,André Zaoui +1 more
TL;DR: In this paper, a self-consistent scheme is proposed for an isotropic elasto-plastic approximation of the "constraint" tensor, which leads to an explicit interaction law, modified from that of E. k roner (1961), which takes elastosplastic accommodation into account via a simple scalar "accommodation function".