Modelling large deformation behaviour under loading–unloading of semicrystalline polymers: application to a high density polyethylene

G Ayoub, F Zaïri, M Naït-Abdelaziz… - International Journal of …, 2010 - Elsevier
In this work, the large deformation behaviour under monotonic loading and unloading of a
high density polyethylene (HDPE) is studied. To analyze the nonlinear time-dependent …

A rate-dependent constitutive model predicting the double yield phenomenon, self-heating and thermal softening in semi-crystalline polymers

P Hao, V Laheri, Z Dai, FA Gilabert - International Journal of Plasticity, 2022 - Elsevier
The double yield (DY) phenomenon observed in a wide variety of semi-crystalline polymers
(SCP) adds difficulties in the material characterization. In this paper, a constitutive model …

A thermo-mechanical large deformation constitutive model for polymers based on material network description: Application to a semi-crystalline polyamide 66

A Maurel-Pantel, E Baquet, J Bikard, JL Bouvard… - International Journal of …, 2015 - Elsevier
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 …

Constitutive modeling of the finite strain behavior of amorphous polymers in and above the glass transition

RB Dupaix, MC Boyce - Mechanics of Materials, 2007 - Elsevier
A constitutive model is developed to capture the rate-dependent stress–strain behavior of an
amorphous polymer (poly (ethylene terephthalate)-glycol (PETG)) at temperatures in and …

Modeling deformation behavior of polymers with viscoplasticity theory based on overstress

OU Colak - International Journal of Plasticity, 2005 - Elsevier
The nonlinear strain rate sensitivity, multiple creep and recovery behavior of polyphenylene
oxide (PPO), which were explored through strain rate-controlled experiments at ambient …

Effects of crystal content on the mechanical behaviour of polyethylene under finite strains: experiments and constitutive modelling

G Ayoub, F Zaïri, C Fréderix, JM Gloaguen… - International Journal of …, 2011 - Elsevier
The mechanical stress–strain behaviour of polyethylene (PE) materials under finite strains is
studied both experimentally and theoretically. In order to gain insight into the structure and …

Modelling effects of degree of crystallinity on mechanical behavior of semicrystalline polymers

N Dusunceli, OU Colak - International Journal of Plasticity, 2008 - Elsevier
Viscoplasticity theory based on overstress (VBO) which is one of the unified state variable
theories is extended to account for crystallinity ratio (ϕ) on mechanical behavior of …

Incorporating crystallinity distributions into a thermo-mechanically coupled constitutive model for semi-crystalline polymers

S Felder, H Holthusen, S Hesseler… - International Journal of …, 2020 - Elsevier
Thermoplastic polymers (TP) are well-suited for thermoforming and injection moulding
processes. Semi-crystalline polymers (SCP) are a specific class of TPs, which partly …

A fully coupled elastoviscoplastic damage model at finite strains for mineral filled semi-crystalline polymer

R Balieu, F Lauro, B Bennani, R Delille… - International Journal of …, 2013 - Elsevier
A phenomenological finite strain non-associated elastoviscoplastic model coupled with
damage is proposed in order to simulate the behaviour of a 20% mineral filled semi …

Transversely isotropic hyperelastic-viscoplastic model for glassy polymers with application to additive manufactured photopolymers

P Zhang, AC To - International Journal of Plasticity, 2016 - Elsevier
A typical feature of additive manufactured photopolymers is that their mechanical behavior
depends on the printing direction. Hence, this work aims at developing a material model to …