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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
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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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document
New method of characterizing the fatigue behavior of thin films for acoustic applications at high frequencies
Abstract
<p>In the present work a new method to characterize the fatigue behavior of thin polymer films for loudspeaker membranes is presented. A stress controlled Wöhler test was set-up in uniaxial cyclic tension at an application relevant frequency of 100 Hz with films with thicknesses down to 5 urn. The failure mode and crack growth kinetics were described via linear elastic fracture mechanics (LEFM). Furthermore anisotropic effects in the fatigue behavior, resulting from different manufacturing processes of exemplary films, were studied. An extruded film exhibited significant anisotropy with superior fracture toughness in machine direction. By contrast, a solvent cast film showed only negligible anisotropy in the fatigue-experiments.</p>