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Implantation Measurements to Determine Tritium Permeation in First Wall Structuresa

D. F. Holland, R. A. Causey, M. L. Sattler

Fusion Science and Technology / Volume 4 / Number 2P2 / September 1983 / Pages 677-680

Tritium / dx.doi.org/10.13182/FST83-A22937

A principal safety concern for a D-T burning fusion reactor is release of tritium during routine operation. Tritium implantation into first wall structures, and subsequent permeation into coolants, is potentially an important source of tritium loss. This paper reports on an experiment in which an ion accelerator was used to implant deuterium atoms in a stainless steel disk to simulate tritium implantation in first wall structures. The permeation rate was measured under various operating conditions. These results were used in the TMAP computer code to determine potential tritium loss rates for fusion reactors.

 
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