Effect of Cyclic Cryogenic Treatment on Wear Resistance, Impact Toughness, and Microstructure of 42CrMo Steel and Its Optimization

Table 5

Range analysis results of relative wear rates.

Factor (j)	A	B	C
	0.950	0.916	0.899
	0.865	0.896	0.888
	0.868	0.872	0.896
Range (Rj)	0.084	0.044	0.011
Rank order of factors	A > B > C
Optimum levels	A2	B3	C2