Multi-instrument multi-scale experimental damage mechanics for fibre reinforced composites

Lomov, Stepan Vladimirovitch; Breite, Christian; Carrella-Payan, Delphine; Carvelli, Valter; Ersoy, Nuri; Gigliotti, Marco; Gonzalez, Raquel Antoranz; Иванов, С. Г.; Kersani, Malika; Lafarie-Frenot, M.C.; Mavrogordato, Mark; Melnikov, Arsen; Mesquita, Francisco; Öz, Fatih E.; Pannier, Yannick; Pyl, Lincy; Schöberl, Erich; Sinclair, Ian; Spearing, S. Mark; Swolfs, Yentl; Hemelrijk, Danny Van; Zhu, Man; Gorbatikh, Larissa

doi:10.1088/1757-899x/406/1/012057

Cited by 3 publications

(2 citation statements)

References 15 publications

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“…In studying the SCF of FRP including a broken fiber, many scholars have used 3D solid elements to model the matrix and fiber, [25,[38][39][40][41] which is referred to classic 3D FE model in the following part of this paper. In these FE models, the distance between some adjacent fibers could be very small (less than 0.1 μm) due to random fiber distribution.…”

Section: Efficient Fe Modelling On Calculation Of Scfmentioning

confidence: 99%

Modelling on stress redistribution around broken fibers for fiber reinforced plastic with poor fiber distribution uniformity

Zhu

Jia

et al. 2022

Polymer Composites

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In order to calculate stress redistribution after a fiber breaking for unidirectional fiber reinforced plastic (FRP) with practically poor fiber distribution uniformity, a new and efficient FE model is developed with high computation efficiency. Based on the proposed FE model, the stress concentration factor (SCF) of intact fibers around a broken fiber is investigated for unidirectional FRP. It is observed that the SCF depends heavily on the local fiber volume ratio (FVR), and a modified analytical SCF model is proposed which takes into account the variation of local FVR. It is proved that the modified analytical SCF model can provide SCF values with much better accuracy for FRP with poor fiber distribution uniformity. The modified analytical SCF model would be very useful for accurate prediction of progressive fiber breaking in FRP.

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Section: Efficient Fe Modelling On Calculation Of Scfmentioning

confidence: 99%

Modelling on stress redistribution around broken fibers for fiber reinforced plastic with poor fiber distribution uniformity

Zhu

Jia

et al. 2022

Polymer Composites

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“…It included high resolution optical in-situ strain measurements, acoustic emission measurements, transmitted light observations, strain measurements with optical fibres, and post-mortem optical and electron microscopy, CTtomography, C-scan examinations. 78,79,90,[93][94][95][96][97][98] In pursue of detailed yarn scale validation, the boundaries of experimental approaches were constantly pushed. Bespoke measurement techniques and new approaches to interpreting data from conventional testing were developed allowing to assign a clearer physical meaning to the observed phenomena.…”

Section: Modelling Techniquesmentioning

confidence: 99%

Contributions of Stepan V Lomov to the research and development of composite materials

Jain

Boisse

Carvelli

et al. 2020

Journal of Composite Materials

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This paper presents a comprehensive review of the scientific and engineering contributions of Prof. Stepan V. Lomov in a career spanning over 3 decades. Starting from his early work on the modelling of dry textiles, different aspects of composite materials have benefited from his inspiring contribution. His wide scientific curiosity drove the research on several topics, covering permeability, forming, damage, fatigue, nano-engineered composites, as well as development of analytical and numerical models at different scales. The paper presents a full spectrum of his scientific career aiming to link his achievements and the future research on composite materials.

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Theoretical study of the effect of orientations and fibre volume on the thermal insulation capability of reinforced polymer composites

Shalwan,

Alajmi,

Yousif

2024

Reviews on Advanced Materials Science

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In industry, synthetic fibre reinforcements are popular due to their cost-effectiveness and lightweight nature. However, the non-reusability and non-degradability have raised environmental concerns and prompted scientists to explore more environmentally friendly alternatives. Natural fibres are being investigated as potential replacements to address these issues and promote sustainability. This study investigated the effect of fibre loading and orientation on the heat conductivity of polymer resins using a finite element-based numerical model developed in our previous research. The numerical analysis was conducted in ANSYS® modelling and simulation using glass and sisal fibres in combination with three distinct matrix materials (epoxy, polyester, and vinyl ester). Different orientations (parallel, perpendicular, 45°, and normal) and volume of fibre fractions (20–35%) were used for the analysis. The properties of the materials were incorporated into the ANSYS Engineering database, and the composite model was divided into five segments to analyse the heat transfer. The thermal boundary condition was implemented by keeping one side of the cylinder at 120°C. The results showed that the thermal conductivity of the composites decreased as the volume fraction of natural fibres increased. Epoxy-based composites exhibited better insulation performance than polyester and vinyl ester-based composites. This study demonstrated the potential of using natural fibres to improve the thermal insulation properties of composites.

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Multi-instrument multi-scale experimental damage mechanics for fibre reinforced composites

Cited by 3 publications

References 15 publications

Modelling on stress redistribution around broken fibers for fiber reinforced plastic with poor fiber distribution uniformity

Modelling on stress redistribution around broken fibers for fiber reinforced plastic with poor fiber distribution uniformity

Contributions of Stepan V Lomov to the research and development of composite materials

Theoretical study of the effect of orientations and fibre volume on the thermal insulation capability of reinforced polymer composites

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