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Prediction of Characteristics Life of the Rubber Gasket  

Park, Joon-Hyung (Korea Testing & Research Institute)
Lee, Se-Hee (Ajou University)
Jang, Hyun-Duck (Ajou University)
Kim, Gwang-Sub (Ajou University)
Yang, Jeong-Sam (Ajou University)
Publication Information
Journal of Applied Reliability / v.10, no.4, 2010 , pp. 213-235 More about this Journal
Abstract
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 $B_{50}$ in NBR is 7.7 years under $50^{\circ}C$ and the life span in H-NBR is 28 years.
Keywords
Characteristics Life; Elongation; Lifetime Distribution; Rubber Gasket;
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