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Figure 4-49:   Micrographs showing the hydride distribution, morphology and orientations before and after HRT of PWR cladding
                             (from [Aomi et al., 2009]).






























                  Figure 4-50:   Correlation between the variation in fraction of radial hydride lengths (Fl(45)), with hoop stress during HRT for
                             irradiated type PWR-48GWd/t Zircaloy-4 cladding (from [Aomi et al., 2009]).



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