| 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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Jakobsen, Johnny
Aalborg University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2024Bolted joint method for composite materials using a novel fiber/metal patch as hole reinforcement—Improving both static and fatigue propertiescitations
- 2023A matter of coursecitations
- 2023A matter of course:Generating optimal manufacturing instructions from a structural layup plan of a wind turbine bladecitations
- 2022Comprehending the Bending: A Comparison of Different Test Setups for Measuring the Out-of-Plane Flexural Rigidity of a UD Fabriccitations
- 2022It‘s on a Roll: Draping Courses of Glass Fiber Fabric in a Wind Turbine Blade Mold by Means of Optimization
- 2021A simple MATLAB draping code for fiber-reinforced composites with application to optimization of manufacturing process parameterscitations
- 2021Pure and simple:investigating the in-plane shear kinematics of a quasi-unidirectional glass fiber non-crimp fabric using the bias-extension testcitations
- 2020Design of Automated Robotic System for Draping Prepreg Composite Fabricscitations
- 2020Design of Automated Robotic System for Draping Prepreg Composite Fabricscitations
- 2020Exploration of irreversible residual stresses in a carbon/epoxy composite
- 2020Will it Crease or Cease? A study of Debulking of Air Pockets in Automated Prepreg Composite Layupcitations
- 2020Will it Crease or Cease?:A study of debulking of air pockets in automated prepreg composite layupcitations
- 2019Fatigue damage simulation of tension-tension loaded glass/polyester fiber composites with thickness tapering effectscitations
- 2019Fatigue damage simulation of tension-tension loaded glass/polyester fiber composites with thickness tapering effectscitations
- 2019The Issue of the Tissue:Determining Feasible Robot Draping Sequences for Woven Prepreg Plies
- 2019Generation of Feasible Gripper Trajectories in Automated Composite Draping by means of Optimizationcitations
- 2019256 shades of graycitations
- 2019256 shades of gray:Application of image processing to evaluate the effect of sample geometry and constant shear strain rates in the picture-frame testcitations
- 2019The Issue of the Tissue
- 2017Prediction of fatigue damage in tapered laminates
- 2017Prediction of fatigue damage in tapered laminates
- 2017Modeling of Prepregs during Automated Draping Sequences
- 2016Local fatigue behavior in tapered areas of large offshore wind turbine bladescitations
- 2016Local fatigue behavior in tapered areas of large offshore wind turbine bladescitations
- 2016Effect of cure cycle on enthalpy relaxation and post shrinkage in neat epoxy and epoxy compositescitations
- 2015Investigation of the residual stress state in an epoxy based specimen
- 2014A comparison of gel point for a glass/epoxy composite and a neat epoxy material during isothermal curingcitations
- 2013Thermo-mechanical Characterisation of In-plane Properties for CSM E-glass Epoxy Polymer Composite Materialscitations
- 2013Thermo-mechanical Characterisation of In-plane Properties for CSM E-glass Epoxy Polymer Composite Materials:Part 2: Young's Moduluscitations
- 2013Thermo-Mechanical Characterisation of In-Plane Properties for CSM E-glass Epoxy Polymer Composite Materials – Part 1citations
- 2013Thermo-Mechanical Characterisation of In-Plane Properties for CSM E-glass Epoxy Polymer Composite Materials – Part 1:Thermal and Chemical Straincitations
- 2007New Knowledge on Composite and Sandwich Structures
Places of action
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article
A comparison of gel point for a glass/epoxy composite and a neat epoxy material during isothermal curing
Abstract
Determination of gel point is important for a modelling assessment of residual stresses developed during curing of<br/>composite materials. Residual stresses in a composite structure may have a detrimental effect on its mechanical performance<br/>and compromise its integrity. In this article, the evolution in bending stiffness of a glass/epoxy composite<br/>material during an isothermal curing process is examined to identify different material stages and behaviour. Differential<br/>scanning calorimetry and dynamic mechanical analysis are used to analyse the material behaviour. Gelation is identified as<br/>a clear onset in bending stiffness, and vitrification is seen as a decrease in the bending stiffness rate. Often gel point<br/>predictions for composite materials are based on neat matrix measurements. However, the results presented in this<br/>article demonstrate that the gel point is affected by the presence of the fibre reinforcement.