[Retracted] Optimization of the Spark Plasma Sintering Process for High-Volume Fraction Tungsten Carbide/Al 2025 Composites

Table 2

Analyzing the results of the L9 orthogonal array.

S. No.	A	B	C	Density	Relative density	Bending strength
	C	min	MPa	(g/cm^3)	(%)	(MPa)
1	1	1	1	2.85	96.8	692.42 ± 25.52
2	1	2	2	2.90	98.4	738.12 ± 46.27
3	1	3	3	2.90	98.4	712.87 ± 82.52
4	2	1	3	2.89	98.8	759.25 ± 12.12
5	2	2	1	2.79	96.7	632.17 ± 20.04
6	2	3	2	2.91	99.1	767.75 ± 24.82
7	3	1	2	2.92	97.2	692.24 ± 56.72
8	3	2	3	2.99	99.4	710.26 ± 71.65
9	3	3	1	2.91	94.6	586.42 ± 9.72