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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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Remmers, Joris J. C.
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Topics
Publications (10/10 displayed)
- 2023Efficient modelling of ceramic sintering processes:Application to bilayers and membranescitations
- 2023Efficient modelling of ceramic sintering processescitations
- 2021Deformation and failure kinetics of polyvinylidene fluoride: Influence of crystallinitycitations
- 2021Deformation and failure kinetics of polyvinylidene fluoride: Influence of crystallinitycitations
- 2021Multiphysical modeling and optimal control of material properties for photopolymerization processescitations
- 2019Effects of intrinsic properties on fracture nucleation and propagation in swelling hydrogelscitations
- 2019Shear response of 3D non-woven carbon fibre reinforced compositescitations
- 2018Swelling-driven crack propagation in large deformation in ionized hydrogelcitations
- 2018Swelling driven crack propagation in large deformation in ionized hydrogelcitations
- 2018Advances in delamination modeling of metal/polymer systems: continuum aspectscitations
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article
Deformation and failure kinetics of polyvinylidene fluoride: Influence of crystallinity
Abstract
The present study investigates the effect of processing conditions on the yield kinetics, such as rate dependence of the yield stress and creep rupture, of polyvinilidene fluoride. Samples were compression molded with cooling rates varying from 100°C/s to 0.5°C/min, or isothermally crystallized at temperatures varying from 20 to 120°C. Deformation kinetics were studied over a wide range of strain rates and temperatures. It is shown that for all conditions the yield response is well represented by the Ree–Eyring model. Moreover, the activation volumes and activation energies are independent from the processing conditions. The effect of processing is fully covered by a simple relationship between the rate factors and the degree of crystallinity. Subsequently, the versatility of this relationship is demonstrated by experimental validation.