Optimization of Stir-Squeeze Casting Parameters to Analyze the Mechanical Properties of Al7475/B4C/Al₂O₃/TiB2 Hybrid Composites by the Taguchi Method

Table 5

S/N ratio response for HN.

Level	SD	ME	SE	RT
1	−39.96	−40.25	−39.68	−40.50
2	−41.11	−40.27	−39.83	−40.62
3	−39.78	−39.73	−40.23	−40.25
4	−39.86	−40.46	−40.97	−39.34
Delta	1.33	0.73	1.30	1.28
Rank	1	4	2	3