Title :
Spontaneous current of polyethersulfone investigated through the measurement of space charge distribution by the pulsed electroacoustic method and thermally stimulated current
Author :
Kim, Eunjoo ; Takeda, Toshinao ; Ohki, Yoshimichi
Author_Institution :
Dept. of Electr. Eng., Waseda Univ., Tokyo, Japan
Abstract :
In the temperature range from 0°C to 230°, the authors show that polyethersulfone (PES) has two TSC peaks, α and β. A spontaneous current is also observed even in the sample to which electric field has never been applied. The spontaneous current and TSC α peak are caused by the non-uniformly distributed space charges in the sample which were created during the manufacturing process
Keywords :
acoustoelectric effects; electrical conductivity; organic insulating materials; space charge; thermally stimulated currents; β peak; 0 to 230 C; PES; TSC α peak; TSC peaks; nonuniformly distributed space charge; polyethersulfone; pulsed electroacoustic method; space charge distribution; spontaneous current; thermally stimulated current; Cable insulation; Charge measurement; Chemical technology; Current measurement; Electrodes; Space charge; Thermal conductivity; Thermal engineering; Thermal resistance; Thermal stresses;
Conference_Titel :
Conduction and Breakdown in Solid Dielectrics, 1995. ICSD'95., Proceedings of the 1995 IEEE 5th International Conference on
Conference_Location :
Leicester
Print_ISBN :
0-7803-2040-9
DOI :
10.1109/ICSD.1995.522996
