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Polyimide (PI) is a widely used wiring insulation material for aircraft. Given the harsh environment of its employment, wiring insulation material for aircraft suffers from various degradation processes which may cause failure of electrical insulation. In this paper, the dielectric response of PI to thermal degradation and to saline exposure is investigated. To investigate the effect of thermal exposure,...
Ethylene-tetrafluoroethylene (ETFE) is one of several polymers used in electrical insulation of aircraft wiring. The integrity of the insulation is important to the aerospace industry due to potential catastrophe in the event of an electrical fire caused by breakdown of the wiring insulation. In this work, the relative permittivity of ETFE is studied in order to examine the feasibility of developing...
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