Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 54 / Number 2 / Pages 576-579
Elliot A. Clark, Gregory C. Staack
Fusion Science and Technology / Volume 54 / Number 2 / Pages 576-579
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Samples of ethylene propylene diene monomer (EPDM) elastomer were exposed to tritium gas in closed containers at 101 kPa (1 atmosphere) pressure and ambient temperature for about one week. Tritium exposure effects on the samples were characterized by dynamic mechanical analysis (DMA) and radiolysis products were characterized by measuring the total final pressure and composition in the exposure containers at the end of exposure period. There was no effect of one week tritium exposure on the glass transition temperature, Tg, of the samples tested. Impurity gases produced in the closed containers included HT and lesser amounts of H2, DTO, and CT4. The total pressure remained the same during exposure.
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