Nanostructural Changes in a Ni/NiO Cermet During …
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Fig. 4 SEM a, b structures and c, d fractography of specimens (a, c) reduced in the gas mixture
according to mode 3 and (b, d) after redox treatment in the gas mixture/air according to mode 4
(Table 1)
Fig. 5 SEM fractography of specimens a reduced in the gas mixture according to mode 3 and b,
c after redox treatment in the gas mixture/air according to mode 4 (Table 1)