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

Table 3

Coded coefficients of flux-coated welded response by A-TIG.

Term	Coef	SE coef	T-value	P-value	VIF
Constant	263.33	8.03	32.79	0.001
Welding speed	6.25	4.92	1.27	0.260	1.00
Voltage	2.50	4.92	0.51	0.633	1.00
Current	0.75	4.92	0.15	0.885	1.00
Welding speed × welding speed	−0.17	7.24	−0.02	0.983	1.01
Voltage × voltage	−7.17	7.24	−0.99	0.368	1.01
Current × current	−2.67	7.24	−0.37	0.728	1.01
Welding speed × voltage	−3.50	6.96	−0.50	0.636	1.00
Welding speed × current	8.00	6.96	1.15	0.302	1.00
Voltage × current	−2.50	6.96	−0.36	0.734	1.00