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Characterization and Tritium Aging of LANA.85 for Regenerative Testing

Technical Report ·
DOI:https://doi.org/10.2172/1568802· OSTI ID:1568802
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
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LANA.85 has been suggested for use in both the Four-Inch Short Hydride (FISH) as well as the Forced Atmosphere Cooled Electrically heated (FACE) bed designs that may be implemented in the Tritium Facilities. LANA.85 has a lower plateau pressure than LANA.75 at a given temperature and composition. Though data is limited, previous tritium aging studies initiated on LANA.85 suggest that radiolytic decay of tritium to He-3 within the metal matrix causes performance degradation similar to LANA.75. Tritium aging studies on LANA.85 are needed to characterize behavior on a small scale before implementation occurs on a large scale. Characterization and tritium-aging of LANA.85 for Regeneration Testing is a multi-year project. Objectives included: fabrication of an inherently safe test cell, characterization of the sample via deuterium and tritium isotherms, and initiation of tritium aging of the sample. During FY19, baseline tritium desorption isotherms were collected at 100, 125, and 150 °C on the LANA85 sample. This was the same sample used for deuterium testing in FY18. Following testing, the sample was reloaded with tritium for future aging studies.
Research Organization:
Savannah River Site (SRS), Aiken, SC (United States); Savannah River National Lab (SRNL), Aiken, SC (United States)
Sponsoring Organization:
USDOE Office of Environmental Management (EM)
DOE Contract Number:
AC09-08SR22470
OSTI ID:
1568802
Report Number(s):
SRNL-STI--2019-00615
Country of Publication:
United States
Language:
English

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