| 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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Madsen, Bo
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (45/45 displayed)
- 2023POTASSIUM LEVELS AND EGFR DO NOT PREDICT SEVERE HYPERKALEMIA FOLLOWING SPIRONOLACTONE INTRODUCTION IN PATIENTS WITH CKD AT HIGH RISK OF HYPERKALEMIAcitations
- 2023Biobased composites: materials, properties, and potential applications as wind turbine blade materialscitations
- 2022Influence of Test Specimen Geometry on Probability of Failure of Composites Based on Weibull Weakest Link Theorycitations
- 2020Understanding the mechanical response of glass and carbon fibres: stress-strain analysis and modulus determinationcitations
- 2019Nanocellulose reinforced polymer composites: Computational analysis of structure-mechanical properties relationshipscitations
- 2018Strength failure criteria analysis for a flax fibre reinforced compositecitations
- 2018Preface for the 39th Risø Symposium Proceedings, IOP publication
- 2016Control and design of volumetric composition in pultruded hybrid fibre compositescitations
- 2016Strong and light-weight materials made of reinforced honeycomb sandwich structures
- 2016Microstructure, quantification and control of dislocations in bast-type plant fibres
- 2016Use of micro-tomography for validation of method to identify interfacial shear strength from tensile tests of short regenerated cellulose fibre composites
- 2016Apparent interfacial shear strength of short-flax-fiber/starch acetate compositescitations
- 2016Thermal recycling and re-manufacturing of glass fibre thermosetting compositescitations
- 2015Volumetric composition of nanocomposites
- 2015Volumetric composition of nanocomposites
- 2015Identification of true microstructure of composites based on various flax fibre assemblies by means of three-dimensional tomography
- 2015Impact of non-hookean behaviour on mechanical performance of hybrid composites
- 2015Impact of non-hookean behaviour on mechanical performance of hybrid composites
- 2015Volumetric composition and shear strength evaluation of pultruded hybrid kenaf/glass fiber compositescitations
- 2015Volumetric composition and shear strength evaluation of pultruded hybrid kenaf/glass fiber compositescitations
- 2015Comparative Environmental Sustainability Assessment of Bio-Based Fibre Reinforcement Materials for Wind Turbine Bladescitations
- 2014Experimental and theoretical assessment of flexural properties of hybrid natural fibre compositescitations
- 2014Protocol for Quantification of Defects in Natural Fibres for Compositescitations
- 2014Natural Composites: Cellulose Fibres and the related Performance of Compositescitations
- 2013Analysis of composition and microstructural uniformity of hybrid glass/carbon fibre composites
- 2013Determination of the gel point of a polyfurfuryl alcohol resin and characterization of its curing rheokinetics
- 2013Influence of Temperature on Mechanical Properties of Jute/Biopolymer Compositescitations
- 2013Influence of Temperature on Mechanical Properties of Jute/Biopolymer Compositescitations
- 2013Selection of environmental sustainable fiber materials for wind turbine blades - a contra intuitive process?
- 2013Wood versus plant fibers: Similarities and differences in composite applicationscitations
- 2013Process conditions and volumetric composition in composites
- 2013Quantitative analysis of length-diameter distribution and cross-sectional properties of fibers from three-dimensional tomographic images
- 2013Wood versus Plant Fibers : Similarities and Differences in Composite Applicationscitations
- 2013Effect of consolidation pressure on volumetric composition and stiffness of unidirectional flax fibre compositescitations
- 2012Properties and performance of flax yarn/thermoplastic polyester compositescitations
- 2012Natural composites: Strength, packing ability and moisture sorption of cellulose fibres, and the related performance of composites
- 2011Properties of compression moulded new fully biobased thermoset composites with aligned flax fibre textilescitations
- 2010Naturally compatible:Starch acetate/cellulosic fiber composites. I. Processing and propertiescitations
- 2010Naturally Compatible: Starch Acetate/Cellulosic Fiber Composites. I. Processing and Propertiescitations
- 2008Aligned flax fibre/polylactate composites - A materials model system to show the potential of biocomposites in engineering applications
- 2008Aligned flax fibre/polylactate composites:A materials model system to show the potential of biocomposites in engineering applications
- 2008Aligned flax fibre/polylactate composites:A materials model system to show the potential of biocomposites in engineering applications
- 2008Aligned flax fibre/polylactate composites
- 2007Volumetric interaction model in natural fiber composites - a concept to be used in design and process optimization of composites
- 2004Properties of Plant Fiber Yarn Polymer Composites
Places of action
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article
Process conditions and volumetric composition in composites
Abstract
The obtainable volumetric composition in composites is linked to the gravimetric composition, and it is influenced by the conditions of the manufacturing process. A model for the volumetric composition is presented, where the volume fractions of fibers, matrix and porosity are calculated as a function of the fiber weight fraction, and where parameters are included for the composite microstructure, and the fiber assembly compaction behavior. Based on experimental data of composites manufactured with different process conditions, together with model predictions, different types of process related effects are analyzed. The applied consolidation pressure is found to have a marked effect on the volumetric composition. A power-law relationship is found to well describe the found relations between the maximum obtainable fiber volume fraction and the consolidation pressure. The degree of fiber/matrix compatibility and the related amount of interface porosity is found to have a negligible effect on the volumetric composition. Only for the extreme case where an interface gap of 250 nm is considered to exist along the entire fiber perimeter, the porosity of the composites is noticeable above zero, but still the fiber and matrix volume fractions are only slightly changed. Air entrapment in the matrix due to non-ideal process conditions is found to have a marked effect on the volumetric composition. For composites with such type of matrix porosity, the porosity content is decreased when the fiber content is increased. Altogether, the model is demonstrated to be a valuable tool for a quantitative analysis of the effect of process conditions. Based on the presented findings and considerations, examples of future work are mentioned for the further improvement of the model.