[Retracted] Mathematical Modeling and Analysis of Wear Behavior of AlTiN Coating on Titanium Alloy (Ti-6Al-4V)

Table 1

Wear test factors and their levels.

Factors	Levels
	Level 1	Level 2	Level 3
A: load (N)	15	30	45
B: sliding speed (m/s)	0.5	1	1.5
C: sliding distance (m)	500	1000	1500