901 変電機器用EPゴムOリングの寿命評価に関する実験的研究(OS9-(1),OS9 オーガナイズドセッション《発電機器の材料・構造解析と評価》)

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  • 901 Experimental study on the life evaluation of EP rubber O-rings in substation equipment

説明

In this paper, it was validated whether it is possible to use the line-load generated by rubber O-ring as an indicator of life evaluation instead of compression set. An instrument to evaluate the sealing performance under the condition that gave any load to a rubber O-ring was created. The load when leakage occurs was measured in the state that a rubber O-ring was compressed by using the instrument. Mechanical tests were carried out under various conditions. The effect of strain rate, differential pressure and the degree of deterioration of the rubber O-ring, to the load when leakage occurs were investigated.

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