Optimization on Tribological Characteristics of Stir-Casted AA7076/Nano Zirconium Dioxide/Boron Nitride Hybrid Composites by Taguchi Method

Table 9

S/N ratio response table.

Level	Reinforcement	Agitation speed	Agitation time	Temperature at molten state
	(%)	(rev/min)	(min)	(°C)
1	41.2	42.6	41.02	42.8
2	41.11	40.88	41.94	41.32
3	41.42	41.30	41.25	41.0
4	41.47	41.18	0.21	36
Delta	0.89	0.42	41	42
Rank	1	2	3	4