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A time dependent permeation method was used to measure the permeability, diffusivity and solubility of deuterium in the martensitic steel DIN 1.4914 MANET (MArtensitic for the Next European Torus, NET). MANET is the candidate material for the first wall and structure of the demonstration power reactor (DEMO). The measurements cover the temperature range form 373 to 743 K which includes the onset of deuterium trapping effects. The results are interpreted using a trapping's model. The trapping parameters such as the number of trap sites and their average energies for deuterium in MANET steel are determined.

Additional information

Authors: SERRA E, JRC Ispra (IT);PERUJO A, JRC Ispra (IT);FORCEY K S, University of Birmingham, School of Physics and Space Research (GB)
Bibliographic Reference: Paper presented: XIII Congresso Nazionale Sulla Scienza e Tecnologia del Vuoto, Milano (IT), February 14-16 , 1996
Availability: Available from (1) as Paper EN 39640 ORA
Record Number: 199610615 / Last updated on: 1996-05-27
Original language: en
Available languages: en