Materials problems with inertial confinement fusion targets

Materials problems with inertial confinement fusion targets

The fabrication of advanced laser fusion targets requires careful attention to materials properties that are unimportant in target design. Specific problems encountered in the fabrication of high-Z pusher shells of a typical three-shell high-yield target are discussed. Neither electroplated gold nor...

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Veröffentlicht in:Journal of nuclear materials 1979-12, Vol.85-86, p.99-102
Hauptverfasser: Farnum, E.H., Fries, R.J., Barefield, J.E.
Format: Artikel
Sprache:eng
Schlagworte:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700208 - Fusion Power Plant Technology- Inertial Confinement Technology
700209 - Fusion Power Plant Technology- Component Development & Materials Testing
CARBON DIOXIDE LASERS
CONFINEMENT
ELEMENTS
GAS LASERS
GOLD
INERTIAL CONFINEMENT
LASER FUSION REACTORS
LASER TARGETS
LASERS
MATERIALS TESTING
METALS
PLASMA CONFINEMENT
REFRACTORY METALS
SHELLS
TARGETS
TESTING
THERMONUCLEAR REACTORS
TRANSITION ELEMENTS
TUNGSTEN
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Beschreibung
Zusammenfassung:The fabrication of advanced laser fusion targets requires careful attention to materials properties that are unimportant in target design. Specific problems encountered in the fabrication of high-Z pusher shells of a typical three-shell high-yield target are discussed. Neither electroplated gold nor chemical-vapor-deposited tungsten were usable, although both produced as-deposited coatings that met design criteria. We also observed that hydrogen permeability of chemical-vapor-deposited tungsten decreases drastically for coatings thicker than 25 pm.
ISSN:0022-3115
1873-4820
DOI:10.1016/0022-3115(79)90474-4