作者:?owkis, B; Kupracz, J 刊名:IOP Conference Series: Materials Science and Engineering 上传者:邱昱天

【摘要】The aim of this investigation was to develop a method of fabrication of electrets made from PTFE foil of a 0.5 mm thickness, from Ensinger GmbH. Parameters allowing assessment of the electrets in terms of technical applications are: charge lifetime τ and equivalent voltage Uz . Measurements of electrets equivalent voltage Uz has been carried out using compensation method. Assessment of lifetime required employing a method utilizing thermal stimulation of charge relaxation process. In the investigation, a continuous measurement of equivalent voltage in the condition of linear increase in temperature - TSUz was realized. It was stated that electret properties of a foil depend on the preparation conditions of the material and the forming temperature. The employed method of lifetime measurement enables verification of the applied procedure.

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IOP Conference Series: Materials Science and Engineering PAPER ? OPEN ACCESS Optimization of electret film forming method To cite this article: B owkis and J Kupracz 2016 IOP Conf. Ser.: Mater. Sci. Eng. 113 012004 View the article online for updates and enhancements. Related content A paper-based electrostatic kinetic energy harvester with stacked multiple electret films made of electrospun polymer nanofibers Y. Lu, D. Amroun, Y. Leprince-Wang et al. Callus Formation by Electret Eiichi Fukada, Toshiaki Takamatsu and Iwao Yasuda Electret Dosimeter for Neutrons and Gamma Rays Motoji Ikeya Recent citations Suspended polytetrafluoroethylene nanostructure electret film in dual variable cavities for self-powered micro-shock sensing Jianxiong Zhu et al This content was downloaded from IP address 185.77.169.72 on 08/05/2018 at 11:58 Optimization of electret film forming method B ?owkis, J Kupracz Wroclaw University of Technology, Department of Electrical Engineering Fundamentals, 50 – 370 Wroc?aw, Wybrze?e Stanis?awa Wyspiańskiego 27 E-mail: bozena.lowkis@pwr.edu.pl, jan.kupracz@pwr.edu.pl Abstract. The aim of this investigation was to develop a method of fabrication of electrets made from PTFE foil of a 0.5 mm thickness, from Ensinger GmbH. Parameters allowing assessment of the electrets in terms of technical applications are: charge lifetime ? and equivalent voltage Uz.. Measurements of electrets equivalent voltage Uz has been carried out using compensation method.

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