Pressure effect on the space charge in low density polyethylene (LDPE) |
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| Authors: | M. Saidi N. Amroun M. Bendaoud R. Essolbi A. Antoniou Hoang-The-Giam |
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| Affiliation: | 1. Lab. des Diéctriques , U.S.T.H.B. B.P 36-EL-ALIA-ALGER, ALGERIE;2. Lab. Génie Electrique , Univ. P. Sabatier, 118 Route de Narbonne, 31062, TOULOUSE, FRANCE |
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| Abstract: | Abstract Electrical conductivity of LDPE films was studied with pressure P (1 to 1500 bar). An anomalous discharge current (ADC) was observed in the transient state following a d.c field application. This anomalous current, depending on these parameters, and the steady state current were attributed to the existence of a space charge in polymer. The space charge phenomena and the conduction mechanisms could be given from experimental results and theoretical calculations. |
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