Analytical and Neural Network Analysis on Flux-Coated Aluminium Alloy by Activated TIG Welding with Synthesized Nanocomposites

Table 6

ANOVA for hardness with their activated coated TIG parameters.

Source	df	Adj. SS	Adj. MS	F-value	P-value
Model	9	154.983	17.2204	0.96	0.549
Linear	3	117.250	39.0833	2.19	0.208
Welding speed	1	78.125	78.1250	4.37	0.091
Voltage	1	21.125	21.1250	1.18	0.327
Current	1	18.000	18.0000	1.01	0.362
Square	3	29.233	9.7444	0.54	0.673
Welding speed × welding speed	1	9.256	9.2564	0.52	0.504
Voltage × voltage	1	0.641	0.6410	0.04	0.857
Current × current	1	20.103	20.1026	1.12	0.338
2-way interaction	3	8.500	2.8333	0.16	0.920
Welding speed × voltage	1	0.000	0.0000	0.00	1.000
Welding speed × current	1	6.250	6.2500	0.35	0.580
Voltage × current	1	2.250	2.2500	0.13	0.737
Error	5	89.417	17.8833
Lack-of-fit	3	22.750	7.5833	0.23	0.872
Pure error	2	66.667	33.3333
Total	14	244.400