| 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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Looijmans, Stan F. S. P.
Eindhoven University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024Vezel-geïnduceerde kristallisatie in rekstromingen ; Fiber-induced crystallization in elongational flowscitations
- 2024Fiber-induced crystallization in elongational flowscitations
- 2023Deformation kinetics of single-fiber polypropylene composites:Adhesion improvement at the expense of toughness
- 2023Deformation kinetics of single-fiber polypropylene composites
- 2023Shear-Induced Structure Formation in MAH-g-PP Compatibilized Polypropylenescitations
- 2022An experimentally validated model for quiescent multiphase primary and secondary crystallization phenomena in PP with low content of ethylene comonomercitations
- 2022An experimentally validated model for quiescent multiphase primary and secondary crystallization phenomena in PP with low content of ethylene comonomercitations
- 2022The Role of Molar Mass in Achieving Isotropy and Inter-Layer Strength in Mat-Ex Printed Polylactic Acidcitations
- 2021Shaping and properties of thermoplastic scaffolds in tissue regeneration: The effect of thermal history on polymer crystallization, surface characteristics and cell fatecitations
- 2020Numerical analysis of the crystallization kinetics in SLScitations
- 2020Polarization modulated infrared spectroscopy:A pragmatic tool for polymer science and engineeringcitations
- 2020Polarization modulated infrared spectroscopycitations
- 2019Hydrostatic stress as indicator for wear initiation in polymer tribologycitations
- 2019Temperature dependent two-body abrasive wear of polycarbonate surfacescitations
- 2018Contact mechanics of high-density polyethylene: Effect of pre-stretch on the frictional response and the onset of wearcitations
- 2018Contact mechanics of polyolefins: effect of pre-stretch on the frictional response and the onset of wear
Places of action
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article
Hydrostatic stress as indicator for wear initiation in polymer tribology
Abstract
Over the last two decades the study of friction has been an important topic in polymer tribology. The obtained knowledge about friction phenomena enables to take the next step towards understanding wear in polymers. When increasing the amount of local deformation in sliding friction experiments, the onset of failure is obtained, i.e. periodic cracks are initiated. Comparing the location of these cracks for a range of polymers with large differences in their intrinsic deformation response, suggests that different kinds of wear mechanisms are important. The relation between these mechanisms and the intrinsic properties are explained by the subtle interplay between intrinsic strain softening and strain hardening in the material. The critical locations for crack initiation are for polystyrene behind the indenter tip, at the centerline of the scratch, while for high-density polyethylene the cracks are initiated in the bow wave in front of the indenter. In finite element scratch simulations, the position of the maximum hydrostatic stress appears to be identical to the experimentally observed crack location. This suggests that crack initiation is related to a critical positive hydrostatic stress, which is known to be an intrinsic parameter for failure initiation in bulk polymers.