Evaluation on Powder Metallurgy Process Parameters of Ball-Milled AA8079-B₄C Nanostructured Composites via Taguchi Grey Relational Analysis

Table 2

Experimental results as per L27 OA.

Expt. no	Reinforcement (wt%)	Compaction pressure (MPa)	Sintering temperature (°C)	Sintering time (hr)	Compressive strength	Hardness
1	5	200	375	1	125.49	141.59
2	5	200	475	2	133.74	145.27
3	5	200	575	3	140.05	120.09
4	5	300	375	2	131.48	147.92
5	5	300	475	3	149	149.73
6	5	300	575	1	142	167.3
7	5	400	375	3	105.33	151.25
8	5	400	475	1	156.03	114.89
9	5	400	575	2	157.11	112.62
10	10	200	375	1	108.09	138.97
11	10	200	475	2	110.81	164.85
12	10	200	575	3	151.24	136.06
13	10	300	375	2	112.79	120.45
14	10	300	475	3	145.98	128.53
15	10	300	575	1	154.77	154.7
16	10	400	375	3	116.22	122.02
17	10	400	475	1	141.06	152.38
18	10	400	575	2	148	132.41
19	15	200	375	1	139.09	161.56
20	15	200	475	2	120	126.42
21	15	200	575	3	122.12	165.98
22	15	300	375	2	147.19	145.69
23	15	300	475	3	150.06	184.41
24	15	300	575	1	156.88	159.14
25	15	400	375	3	145.02	151.77
26	15	400	475	1	164.33	174.2
27	15	400	575	2	171	158.03