Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)
- 2005.07a
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- Pages.562-563
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- 2005
Study on Long-term Deterioration Properties of Porcelain Insulators with Aluminous System
알루미나계 자기애자의 장기 피로특성에 관한 연구
- Han, Se-Won (KERI) ;
- Cho, Han-Goo (KERI) ;
- Lee, Dong-Il (KEPRI) ;
- Cho, In-Hyuk (KEPRI)
- Published : 2005.07.07
Abstract
In case of aged porcelain, the failure in basic performance tests happened in cool-heat tests. Based on this characteristic, we studied the method predicting failure phenomena through more severe accelerated cool-heat ageing and accelerating thermal mechanical performance tests. Test results indicated that the thermal stress by temperature gradient was more severe parameter than thermal stress by quenching cycles within a category of standard or accelerating methods. And there is no the deterioration of statistic strength, but the deterioration of strength according to accelerating tests is serious.
Keywords
- Aluminous porcelain insulator;
- Long-term deterioration;
- Heat-cool test;
- Thermal mechanical acceleration test