Permeation flux of hydrogen through plasma facing materials

descriptionPublicationkeyboard_double_arrow_right Article 15 Apr 1997 English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 55, pages 9,348-9,351 (issn: 0163-1829, eissn: 1095-3795,

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Authors: W. M. Shu; K. Watanabe;

doi: 10.1103/physrevb.55.9348

Permeation flux of hydrogen through plasma facing materials

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Abstract

A general formula for simultaneous gas- and plasma-driven permeation of hydrogen (tritium) has been developed by an electrical circuit analog, in which the permeation potential and resistance are defined for both diffusion in the bulk and recombination on the surface and the gradient of permeation potential against permeation resistance is considered to be the general driving force for permeation through a laminate. This formula is applied to calculate the permeation flux of hydrogen through 316 stainless steel.

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University of Toyama
Japan

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