Delamination in carbon fiber epoxy DCB laminates with different stacking sequences: R-curve behavior and bridging traction-separation relation
Y Gong, X Chen, W Li, L Zhao, J Tao, J Zhang… - Composite Structures, 2021 - Elsevier
R-curve and traction-separation relation are commonly used to characterize the fiber
bridging, which is significant toughening mechanism in composite laminates. Current …
bridging, which is significant toughening mechanism in composite laminates. Current …
[HTML][HTML] Benchmark test for mode I fatigue-driven delamination in GFRP composite laminates: Experimental results and simulation with the inter-laminar damage …
Adopting effective and accurate numerical tools capable of predicting damage effects on the
structure reduces design, certification, and maintenance costs. However, the tools to assess …
structure reduces design, certification, and maintenance costs. However, the tools to assess …
Finite element modeling of mode I fatigue delamination growth in composites under large-scale fiber bridging
In this study, the Turon et al. and Kawashita-Hallett fatigue damage models are extended
with a trilinear cohesive law to simulate mode I fatigue delamination in the composites …
with a trilinear cohesive law to simulate mode I fatigue delamination in the composites …
[HTML][HTML] Delamination toughening of composite laminates using weakening or toughening interlaminar patches to initiate multiple delaminations: A numerical study
A numerical study on toughening laminated composite materials against delamination by
initiating multiple interlaminar cracks is presented. Different configurations of interface …
initiating multiple interlaminar cracks is presented. Different configurations of interface …
Formulation of a mixed-mode multilinear cohesive zone law in an interface finite element for modelling delamination with R-curve effects
A constitutive model for an interface finite element is proposed to enable simulation of
delamination in composite materials with R-curve effects. The constitutive model is …
delamination in composite materials with R-curve effects. The constitutive model is …
[HTML][HTML] Prediction of a complex delamination front using a general cohesive model
The influence of the delamination direction with respect to the fiber orientation in adjacent
plies on the apparent interlaminar toughness is considered by proposing a general cohesive …
plies on the apparent interlaminar toughness is considered by proposing a general cohesive …
[HTML][HTML] Embedding artificial neural networks into twin cohesive zone models for composites fatigue delamination prediction under various stress ratios and mode …
This paper presents for the first time a novel numerical technique for modelling fatigue
delamination growth in fibre reinforced composites, which is based on coupling two twin …
delamination growth in fibre reinforced composites, which is based on coupling two twin …
Decomposing the coupling damage in mode I multidirectional delamination
The mode I delamination properties between carbon fiber reinforced polymer (CFRP) plies
are difficult to measure because the coupling between the intralaminar and interlaminar …
are difficult to measure because the coupling between the intralaminar and interlaminar …
[HTML][HTML] A simulation method for fatigue-driven delamination in layered structures involving non-negligible fracture process zones and arbitrarily shaped crack fronts
Most of the existing methods for fatigue-driven delamination are limited to two-dimensional
(2D) applications or their predictive capabilities have not been validated in three …
(2D) applications or their predictive capabilities have not been validated in three …
A robust fatigue parameter determination method for a local fatigue Cohesive Zone Model
In this work, a robust method for determining the input fatigue parameters of a fatigue
cohesive zone model recently developed by Dávila is presented. The method is based on …
cohesive zone model recently developed by Dávila is presented. The method is based on …