Tritium diffusion in nonmetallic solids of interest for fusion reactors. Final report

Technical Report · Mon Jan 01 04:00:00 EST 1979

DOI:https://doi.org/10.2172/5157445· OSTI ID:5157445

Elleman, T

Tritium diffusion measurements have been conducted in Al/sub 2/O/sub 3/, BeO, Y/sub 2/O/sub 3/, SiC, B/sub 4/C, Si/sub 3/N/sub 4/ and pyrolytic carbon as a basis for evaluating these materials as potential tritium barriers in fusion reactors. Deuterium solubility measurements were conducted with Al/sub 2/O/sub 3/, SiC and pyrolytic carbon to establish the pressure and temperature dependence of solubility and to identify solubility ranges. Hydrogen permeability measurements on commercially available Al/sub 2/O/sub 3/ and SiC materials were used as a check on calculated permeabilities and to provide data on hydrogen permeation rates in polycrystalline materials. The diffusion, solubility and permeation results are presented and discussed in terms of fusion reactor applications.

• Research Organization: North Carolina State Univ., Raleigh (USA). Dept. of Nuclear Engineering
• Sponsoring Organization: USDOE
• DOE Contract Number: AS05-76ET52022
• OSTI ID: 5157445
• Report Number(s): DOE/ET/52022-5
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700206* -- Fusion Power Plant Technology-- Environmental Aspects
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BERYLLIUM COMPOUNDS
BERYLLIUM OXIDES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BORON CARBIDES
BORON COMPOUNDS
CARBIDES
CARBON
CARBON COMPOUNDS
CHALCOGENIDES
DIFFUSION
ELEMENTS
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
NITRIDES
NITROGEN COMPOUNDS
NONMETALS
NUCLEI
ODD-EVEN NUCLEI
OXIDES
OXYGEN COMPOUNDS
PERMEABILITY
PNICTIDES
RADIOISOTOPES
SILICON CARBIDES
SILICON COMPOUNDS
SILICON NITRIDES
SOLUBILITY
TRANSITION ELEMENT COMPOUNDS
TRITIUM
YEARS LIVING RADIOISOTOPES
YTTRIUM COMPOUNDS
YTTRIUM OXIDES