Optimizing the Parameters of Spark Plasma Sintering to Enhance the Hardness of MgO/TiC Composites

Table 5

Results of experiments sorted by sintering variables for mean macrohardness and signal-to-noise.

Experimental run	Sintering factors			Responses
	Sintering temperature	Sintering pressure	Sintering time	Mean macrohardness	Mean S/N ratio
	(°C)	(MPa)	(min)	(HR)	(dB)
1	500	35	15	62.191	35.8747
2	500	45	20	50.632	34.0883
3	500	55	25	56.853	35.0957
4	550	35	20	59.623	35.5074
5	550	45	25	60.191	35.5898
6	550	55	15	49.373	33.8691
7	600	35	25	37.881	31.5673
8	600	45	15	56.526	35.0445
9	600	55	20	60.254	35.5996