| 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
Effect of cure cycle on enthalpy relaxation and post shrinkage in neat epoxy and epoxy composites
Abstract
The effect of cure cycle on enthalpy relaxation and warpage is studied for both neat epoxy and glass/epoxy composites.<br/>An approach for determining the enthalpy relaxation in the matrix of composite materials combining<br/>modulated differential scanning calorimetry and thermogravimetry is presented. The enthalpy relaxation is<br/>coupled to structural dimension changes upon reheating by performing modulated thermo mechanical analysis.<br/>The enthalpy relaxation is affected by the cooling rate and the presence of the fibrous reinforcement, but is unaffected<br/>by variation between a 1-stage and 2-stage cure cycle. Enthalpy recovery is found to exert a minor impact<br/>on the sample dimension during reheating since a non-reversing shrinkage is observed during reheating.<br/>This shrinkage is ascribed to structural changes on molecular level in the specimen and it is inferred that samples<br/>with a high initial disorder only exhibit a small dimensional change during reheating due to structural restrictions<br/>within the amorphous polymer network.