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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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Van Loock, Frederik
Eindhoven University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Experimental investigation of yield and hysteresis behaviour of an epoxy resin under cyclic compression in the large deformation regimecitations
- 2024A monolithic numerical model to predict the EMI shielding performance of lossy dielectric polymer nanocomposite shields in a rectangular waveguidecitations
- 2023Micro- and Nano-Mechanical Characterisation and Modelling of the Local Matrix Deformation in Fibrereinforced Epoxy
- 2023Accurate determination of stiffness and strength of graphene via AFM-based membrane deflectioncitations
- 2021Visco-Plastic Behaviour of a Polymer Matrix at the Fibre Diameter Length Scale: a Finite Element Mesoscale Model Relying on Shear Transformation Zone (STZ) Dynamics
- 2021Nanomechanics serving polymer-based composite researchcitations
- 2021Thermal ageing of electronic component solder joints for space applications
- 2021Implementation and calibration of a mesoscale model for amorphous plasticity based on shear transformation dynamicscitations
- 2020Processing maps based on polymerization modelling of thick methacrylic laminatescitations
- 2020Processing maps based on polymerization modelling of thick methacrylic laminatescitations
- 2019Deformation and fracture of PMMA with application to nanofoaming and adhesive joints
- 2019Tensile fracture of an adhesive jointcitations
- 2019The mechanics of solid-state nanofoamingcitations
- 2019The mechanics of solid-state nanofoaming.
- 2019Mechanical Properties of PMMA-Sepiolite Nanocellular Materials with a Bimodal Cellular Structurecitations
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article
Experimental investigation of yield and hysteresis behaviour of an epoxy resin under cyclic compression in the large deformation regime
Abstract
High-performance polymers are extensively used in various applications undergoing long-term cyclic loadings. The deformation behaviour of an amorphous thermoset epoxy resin undergoing cyclic compressive loading is investigated for a range of applied deformation levels. The measurements indicate significant hysteresis upon repeated loading and unloading cycles with progressive accumulation of plastic strain. Cyclic damage leads to a reduction of the stress needed to reach the peak strain per cycle, while cyclic stiffening corresponding to an increase of elastic modulus with increasing number of cycles is observed, attributed to chain orientation effects. The dissipated energy asymptotically decreases to zero under strain-controlled cycling conditions. Interestingly, when monotonically loaded after cycling, the epoxy exhibits an increase in yield strength. This ‘re-yield’ stress level is closely related to the selected value of the peak (unloading) strain level and increases with increasing number of loading cycles.