Partitioning of tritium between surface and bulk of 316 stainless steel at room temperature

Sharpe, M. D.; Fagan, C.; Shmayda, W. T.; Schroder, W. U.

doi:10.1016/j.fusengdes.2018.03.028

Partitioning of tritium between surface and bulk of 316 stainless steel at room temperature

Journal Article · Wed Mar 28 00:00:00 EDT 2018 · Fusion Engineering and Design

DOI:https://doi.org/10.1016/j.fusengdes.2018.03.028· OSTI ID:1437587

Sharpe, M. D. ^[1]; Fagan, C. ^[2]; ^[3]; Schroder, W. U. ^[4]

Univ. of Rochester, NY (United States). Lab. for Laser Energetics; Laboratory for Laser Energetics, University of Rochester
Univ. of Rochester, NY (United States). Lab. for Laser Energetics; Univ. of Rochester, NY (United States). Dept. of Chemistry and Physics
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Univ. of Rochester, NY (United States). Dept. of Chemistry and Physics

The distribution of tritium between the near surface and the bulk of 316 stainless steel has been measured using two independent techniques: pulsed-plasma exposures and a zinc-chloride wash. Between 17% and 20% of the total inventory absorbed into a stainless-steel sample during a 24-h exposure to DT gas at room temperature resides in the water layers present on the metal surface. Redistribution of tritium between the surface and the bulk of stainless steel, if it occurs, is very slow. Finally, tritium does not appear to enter into the bulk at a rate defined solely by lattice diffusivity.

View Accepted Manuscript (DOE)

Research Organization:: Laboratory for Laser Energetics, University of Rochester

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0001944

OSTI ID:: 1437587

Alternate ID(s):: OSTI ID: 22850429

Report Number(s):: 2017--227, 1399; PII: S0920379618302382

Journal Information:: Fusion Engineering and Design, Journal Name: Fusion Engineering and Design Journal Issue: C Vol. 130; ISSN 0920-3796

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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36 MATERIALS SCIENCE
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Partitioning of tritium between surface and bulk of 316 stainless steel at room temperature

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References (25)

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