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

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">S. no.</td><td class="align_center">Factors</td><td class="align_center">Levels</td><td class="align_center">Values</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">Peak current in amps</td><td class="align_center">2</td><td class="align_center">220</td></tr><tr><td class="align_left">2</td><td class="align_center">Base current in amps</td><td class="align_center">2</td><td class="align_center">80</td></tr><tr><td class="align_left">3</td><td class="align_center">Peak in %</td><td class="align_center">2</td><td class="align_center">50</td></tr><tr><td class="align_left">4</td><td class="align_center">Pulse frequency in HZ</td><td class="align_center">3</td><td class="align_center">250</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Optimized input parameters: lower aspect ratio (AR-HF pulse).</div>

Journal of Nanomaterials

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Table 7

Table 7: Influence of Different Frequency Pulse on Weld Bead Phase Ratio in Gas Tungsten Arc Welding by Ferritic Stainless Steel AISI-409L 