ABSTRACT

Oi stance, IJ m Figure 6.14 Concentration profiles of nickel and cobalt through alloy and scale for Ni-10.9%Co alloy oxidized in I attn 0 2 at 1273 K for 24 h [30).

could also be due to that fact that it diffuses more quickly than Ni in the oxide solid solution. However, Co and Ni contents in the scale at the two reaction interfaces had remained essentially constant with increasing oxidation time.