| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Demirci, Emrah
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2025Quantitative analysis of orientation distribution of graphene platelets in nanocomposites using TEM
- 2024Effects of Seawater on Mechanical Performance of Composite Sandwich Structures: A Machine Learning Frameworkcitations
- 2024Effects of moisture absorption on penetration performance of FRP sandwich structurescitations
- 2024Self-Reinforced Composite Materials: Frictional Analysis and Its Implications for Prosthetic Socket Designcitations
- 2024Dynamic Bending Behaviour of Sandwich Structures for Marine Applicationscitations
- 2023Assessing Crimp of Fibres in Random Networks with 3D Imagingcitations
- 2023Damage Assessment of Glass-Fibre-Reinforced Plastic Structures under Quasi-Static Indentation with Acoustic Emissioncitations
- 2018Cellular response to cyclic compression of tissue engineered intervertebral disk constructs composed of electrospun polycaprolactonecitations
- 2017Notches in fibrous materials: micro-mechanisms of deformation and damagecitations
- 2016Micro-Indentation based study on steel sheet degradation through forming and flatteningcitations
- 2016Optical properties of graphene-based materials in transparent polymer matricescitations
- 2016Computational assessment of residual formability in sheet metal forming processes for sustainable recyclingcitations
- 2015Deformation and Damage of Thermally Bonded Nonwoven Networkscitations
- 2012Numerical modelling of thermally bonded nonwovenscitations
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article
Notches in fibrous materials: micro-mechanisms of deformation and damage
Abstract
Open Access article ; Fibrous networks are ubiquitous structures for many natural materials, such as bones and bacterial cellulose, and artificial ones (e.g. polymer-based nonwovens). Mechanical behaviour of these networks are of interest to researchers since it deviates significantly from that of traditional materials treated usually within the framework of continuum mechanics. The main reason for this difference is a discontinuous character of networks with randomly distributed fibres (that can be also curved) resulting in complex scenarios of fibre-to-fibre interactions in the process of their deformation. This also affects a character of load transfer, characterised by spatial non-uniformity and localisation. A discontinuous nature of fibrous networks results in their non-trivial failure character and, more specifically, evolution of failure caused by notches. In order to investigate these mechanisms, various notches are introduced both into real-life specimens used in experimentation and discontinuous finite-element (FE) models specially developed (Farukh et al., 2014a; Hou et al., 2009, 2011a; Sabuncuoglu et al, 2013) to mimic the microstructure of fibrous networks. The specimens were tested under tensile loading in one of the principal directions, with FE-based simulations emulating this regime. The effect of notch shape on damage mechanisms, effective material toughness and damage patterns was investigated using the obtained experimental and numerical methods. The developed discontinuous model with direct introduction of microstructural features of fibrous networks allowed assessment of strain distribution over selected paths in them in order to obtain strain profiles in the vicinity of notch tips. Additionally, evolution of damage calculated in advanced numerical simulations demonstrated a good agreement with images from experiments.