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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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Ritamäki, Mikael
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2019Steering Capacitor Film Development with Methods for Correct and Adequate Dielectric Performance Assessment
- 2018Compounding, Structure and Dielectric Properties of Silica-BOPP Nanocomposite Filmscitations
- 2018Short-Term Dielectric Performance Assessment of BOPP Capacitor Films: A Baseline Studycitations
- 2017The Role of Film Processing in the Large-Area Dielectric Breakdown Performance of Nano-Silica-BOPP Filmscitations
- 2017Polypropylene/SIO2 nanocomposite with improved dielectric properties for DC cables
- 2017Large-area approach to evaluate DC electro-thermal ageing behavior of BOPP thin films for capacitor insulation systemscitations
- 2016Differences in AC and DC large-area breakdown behavior of polymer thin filmscitations
- 2016Dielectric breakdown properties of mechanically recycled SiO2-BOPP nanocompositescitations
- 2015DC ramp rate effect on the breakdown response of SiO2-BOPP nanocompositescitations
- 2015Effects of thermal aging on the characteristic breakdown behavior of nano-SiO2-BOPP and BOPP filmscitations
- 2015The role of film processing in the large-area dielectric breakdown performance of nano-silica-BOPP filmscitations
Places of action
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document
Effects of thermal aging on the characteristic breakdown behavior of nano-SiO2-BOPP and BOPP films
Abstract
The effects of thermal stress on the breakdown behavior of biaxially oriented PP-silica nanocomposite thin film and commercial BOPP film was evaluated with a step stress experiment in the temperature range of 50.110 °C. Weak spots were measured in thermally aged un-filled BOPP films but not in the PP-silica, which in turn displayed increasing scatter of the breakdown voltages and the scattering seemingly settled to a certain level. No weak spots were measured in un-filled BOPP films removed after highest temperatures. The behavior of un-filled films is speculated to result from either actual polymer aging in addition to the statistical nature of breakdown phenomena or from thermally-activated processes possibly involving antioxidants. The different behavior in the nanocomposite was speculated to result from polymer-nanoparticle interactions possibly countering the effects of antioxidants and hindering weak spot formation. The results demonstrate the different behavior of polymer-nanocomposites and traditional BOPP films under thermal stress and highlight the importance of evaluating the aging behavior of new materials.