Abstract

The retention and release of implanted hydrogen atoms and molecules from 3-D porous graphite was studied. Kinetic Monte-Carlo calculations were used to study reactive-diffusive transport of hydrogen. We have analysed various factors affecting retention and release of hydrogen from graphite. It is shown that the internal structure of the graphite (void fraction, void size and void orientation), the energy of the incident hydrogen ion beam and the flux plays a major role in retention and release behaviour.

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