Title :
Surface degradation of silicone rubber under accelerated aging condition
Author :
Han, Sang-Il ; Yoon, Jin-Yoel ; Park, Kang-Sik ; Han, Sang-Ok
Author_Institution :
Chungnam Nat. Univ., Taejon, South Korea
Abstract :
This paper deals with the surface degradation characteristics of silicone rubber which is used as the weathershed material of polymer insulator under natural environmental condition. There are many aging factors in the outdoor environment, but this paper deals with the factors of acid rain and salt water without regard for the effect of UV, ozone, etc. The silicone rubber was soaked in artificial acid rain and salt water to accelerate its aging. Then the contact angle meter, SEM and EDX were used to observe the surface changes of silicone rubber, and the dielectric loss and the surface leakage current were measured to analyze its electrical characteristics
Keywords :
ageing; contact angle; dielectric losses; environmental degradation; leakage currents; scanning electron microscopy; silicone rubber insulators; EDX; SEM; accelerated aging; acid rain; contact angle meter; dielectric loss; electrical characteristics; leakage current; outdoor environment; polymer insulator; salt water; silicone rubber; surface degradation; weathershed material; Accelerated aging; Contacts; Dielectric loss measurement; Dielectric losses; Leakage current; Plastic insulation; Polymers; Rain; Rubber; Thermal degradation;
Conference_Titel :
Electrical Insulation and Dielectric Phenomena, 1997. IEEE 1997 Annual Report., Conference on
Conference_Location :
Minneapolis, MN
Print_ISBN :
0-7803-3851-0
DOI :
10.1109/CEIDP.1997.641106
