Influence of Different Frequency Pulse on Weld Bead Phase Ratio in Gas Tungsten Arc Welding by Ferritic Stainless Steel AISI-409L

Table 3

Taguchi experimental results with their responses related to HF pulsing for bead geometry.

S. no.	Ip	Ib	Peak%	Frequency (Hz)	AR	SNRA1	MEAN1	Depth (mm)	Heat input (J/mm)
	200	60	40	150	3.27	-10.291	1.87	2.25	466.9
	200	80	50	200	2.23	-6.9661	1.82	4.2	621.25
	200	100	60	250	2.31	-7.272	2.26	4.1	749
	220	60	50	250	1.93	-5.7111	1.81	4.2	728
	220	80	60	150	2.44	-7.7478	1.82	4.26	777.3
	220	100	40	200	2.33	-7.3471	1.68	4.11	695
	240	60	60	200	2.47	-7.8539	1.9	4.32	845
	240	80	40	250	2.40	-7.604	2.36	4.1	695
	240	100	50	150	2.44	-7.747	2.12	4.52	893.2