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Ceramic breeder materials: Status and needs by C.E. Johnson; K. Noda; N. Roux is a Materials Science article available to read on EtoBox.

What is Ceramic breeder materials: Status and needs about?

The tritium breeding blanket is one of the most important components of a fusion reactor because it directly involves both energy extraction and tritium production, both of which are critical to fusion power. Because of their overall desirable properties, lithium-containing ceramic solids are recognized as attractive tritium breeding materials for fusion reactor blankets. Indeed, their inherent thermal stability and chemical inertness are signi®cant safety advantages. In numerous in-pile experiments, these materials have performed well, showing good thermal stability and good tritium release characteristics. Tritium release is particularly facile when an argon or helium purge gas containing hydrogen, typically at levels of about 0.1%, is used. However, the addition of hydrogen to the purge gas imposes a penalty when it comes to recovery of the tritium produced in the blanket. In particular, a large amount of hydrogen in the purge gas will necessitate a large multiple-stage tritium puri®cation unit, which could translate into higher costs. Optimizing tritium, release while minimizing the amount of hydrogen necessary in the purge gas requires a deeper understanding of the tritium rel

Who reads Ceramic breeder materials: Status and needs?

Author

C.E. Johnson; K. Noda; N. Roux

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-3115)

Published

1998

Language

EN

Field

Materials Science (Physical Sciences)