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Abstract

The recombination (K(2)) and dissociation constants (K(1)) at representative plasma facing (PF) conditions are essential parameters needed to understand hydrogen isotopes' (specially tritium) recycling at the first wall of fusion reactors. Implantation/recycling experiments are being carried out at the Institute for Advanced Materials (Ispra) in order to study the processes involved in the interaction of hydrogen plasmas with material surfaces under International thermonuclear experimental reactor (ITER) scrapped-off-layer (SOL) conditions. This report presents the model developed to calculate the value of K(2) and K(1) using the data obtained from experiments of deuterium (D ion) plasma implantation on MANET (martensitic steel DIN 1.4914).

Additional information

Authors: SEDANO L A, JRC Ispra (IT);PERUJO A, JRC Ispra (IT);CAMPOSILVAN J, JRC Ispra (IT);CUERONI G B, JRC Ispra (IT);DOUGLAS K, JRC Ispra (IT)
Bibliographic Reference: EUR 17713 EN (1997) 41pp., FS, free of charge
Availability: Available from the Public Relations and Publications Unit, JRC Ispra, I-21020 Ispra (IT), Fax: +39-332-785818
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