Cluster dynamics modeling of hydrogen retention and desorption in tungsten with saturation and multi-trapping effect of sinks
Xiaoru Chen,
Yuanyuan Zhang,
Liuming Wei
et al.
Abstract:Hydrogen (H) retention and desorption in tungsten (W)-based plasma-facing materials (PFMs) are still not well understood, largely due to the limitations of ex-situ observations in experimental detection methods like thermal desorption spectroscopy (TDS). In order to reveal the fundamental mechanisms behind H retention and desorption, we developed a cluster dynamics (CD) model, IRadMat-TDS, for theoretical modeling of depth distribution and TDS of deuterium (D) in polycrystalline W. The model newly includes the… Show more
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