Fig. (9)
Surface states of three of the HfC-containing nickel-based samples after oxidation (here after 46h at 1200°C): Ni-25Cr-0.25C-3.7Hf alloy
(A)
, of the Ni-25Cr-0.50C-3.7Hf alloy
(B)
and of the Ni-25Cr-0.50C-5.6Hf alloy
(C)
.