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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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Oreski, Gernot
Montanuniversität Leoben
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024Water vapor permeability of polymeric packaging materials for novel glass‐free photovoltaic applicationscitations
- 2023Improved nanoindentation methods for polymer based multilayer film cross-sectionscitations
- 2022Nanoindentation for Fast Investigation of PET Film Degradationcitations
- 2021Morphological characterization of semi-crystalline POM using nanoindentationcitations
- 2021Comprehensive investigation of the viscoelastic properties of PMMA by nanoindentationcitations
- 2020Increased reliability of modified polyolefin backsheet over commonly used polyester backsheets for crystalline PV modulescitations
- 2013New method of characterizing the fatigue behavior of thin films for acoustic applications at high frequencies
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article
Comprehensive investigation of the viscoelastic properties of PMMA by nanoindentation
Abstract
<p>Instrumented nanoindentation (NI) was used to examine the viscoelastic properties of poly(methyl methacrylate) (PMMA) as an amorphous polymer model. An evaluation combining adhesive contact and empiric spring–dashpot models has been applied to obtain the instantaneous elastic modulus E<sub>0</sub> and the infinitely elastic modulus E<sub>∞</sub> from nanoindentation creep curves. The value of E<sub>0</sub> has been compared to moduli obtained with atomic force microscopy-based nanoindentation (AFM-NI) and compression tests. Furthermore, the elastic modulus has been evaluated by the method introduced by Oliver and Pharr (O&P) for the NI and AFM-NI results. Comparison of the elastic modulus E<sub>0</sub> from the creep measurements of NI and AFM-NI to compression tests reveals good agreement of the results. However, only the O&P based AFM-NI results yield to lower values.</p>