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A Novel Technique for Measurement of Tritium Permeation Through Resistant Materials Near Room Temperature: Demonstration of Method with Copper at 50–170°C

Jon Maienschein, Virgil DuVal, Fred McMurphy, Frank Uribe

Fusion Science and Technology / Volume 8 / Number 2P2 / September 1985 / Pages 2360-2365

Material Property and Tritium Control / Proceedings of the Second National Topical Meeting on Tritium Technology in Fission, Fusion and Isotopic Applications (Dayton, Ohio, April 30 to May 2, 1985) / dx.doi.org/10.13182/FST85-A24631

To measure tritium permeation through low-permeability materials at 50–170°C, we use highly-sensitive liquid scintillation counting to detect the permeating tritium. To validate our method, we conducted extensive experiments with copper, for which much data exists for comparison. We report permeability of tritium through copper at 50, 100, and 170°C, and discuss details of the experimental technique. Further plans are outlined.