Effects of Welding Heat Input on Microstructure and Electrochemical Behavior of Flux-Cored Arc-Welded Q690 HSLA Steel

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Number</td><td class="align_center">Sample condition</td><td class="align_center">LPR (Ohm·cm<sup>2</sup>)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">10 kJ/cm</td><td class="align_center">1532.38</td></tr><tr><td class="align_left">2</td><td class="align_center">20 kJ/cm</td><td class="align_center">1133.85</td></tr><tr><td class="align_left">3</td><td class="align_center">Q690 base metal</td><td class="align_center">1040.61</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Linear polarization resistances of WMs at different welding heat inputs and of the Q690 BM.</div>

Advances in Materials Science and Engineering

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Table 4

Table 4: Effects of Welding Heat Input on Microstructure and Electrochemical Behavior of Flux-Cored Arc-Welded Q690 HSLA Steel 