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박준형(Joon-hyung Park),이세희(Se-hee Lee),장현덕(Hyun-duck Jang),김광섭(Gwang-sub Kim),양정삼(Jeong-sam Yang) 한국신뢰성학회 2010 신뢰성응용연구 Vol.10 No.4
In this paper, we carried out an accelerated degradation test that is commonly used to predict characteristics life of rubber gaskets for a pole transformer. The potential failure mode applied for the test is rubber elongation and the corresponding failure mechanism is heat. From the result, we found that Weibull distribution is the fatigue life distribution in NBR and H-NBR. After estimating characteristics life in commonly used temperature, the average life span of B50 in NBR is 7.7 years under 50 ℃ and the life span in H-NBR is 28 years.