Research Article

The Influence of Anode Inner Contour on Atmospheric DC Plasma Spraying Process

Figure 12

Cross-sectional SEM micrographs of Al2O3 coatings prepared by cylindrical nozzle (a) and CSL nozzle (b) (current: 650 A, Ar/H2: 40/10 slpm, spraying distance: 110 mm).
(a)
(b)