Tribological and Mechanical Properties of Gradient Coating on Al₂O₃-Based Coating Produced by Detonation Spraying Methods

Table 2

Technological regimes for spraying aluminum oxide coatings.

Sample no.	Fuel/oxidizer ratios	Barrel fill volume (%)	Spray distance (mm)	Number of shots
1	1.856	63	250	15
2	1.856	56	250	15
3	1.026	53	250	15
4	1.856–1.026	63–53–56	250	15