Research Article

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

Table 8

Optimized parameters for lower aspect ratio (AR) in LF pulsing.

S. no.FactorLevelValues

1Peak current in amps2220
2Base current in amps280
3Peak (%)250
4Pulse frequency in Hz310