Effects of oxide stringers on the β-phase depletion behaviour in thermally sprayed CoNiCrAlY coatings during isothermal oxidation
H. Chen*(), A. Rushworth

.

Fig. 6.. Microstructure of as-sprayed HVOF (a and b) and VPS (c and d) coatings after 100 h oxidation at 1100 °C, showing the spinel and alumina scale formation and the remaining two-phase structure.