Fig. 5 | npj Materials Degradation

Fig. 5

From: Hydrogen blistering under extreme radiation conditions

Fig. 5

Morphology of samples exposed to three different proton fluxes: 1.36 × 1012 (top row), 2.27 × 1012 (middle row), and 3.26 × 1012 p+cm−2 s−1 (bottom row). Specimens receive similar proton fluence. First row, sample S9* a and b, small number of AlOx delamination areas are present on the sample surface exposed to protons. Second row, sample S6 c and d, crack lines as well as delamination centres cover the irradiated area. Third row, sample S10* e and f, crack lines dominate the exposed areas. Black line: scale bars, 1 μm. Grey line: scale bars, 0.7 μm. White line: scale bars, 0.5 μm. Orange line: scale bar, 0.2 μm. Photographs were taken with FEM

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