Experimental Investigation of the Corrosion Behavior of Friction Stir Welded AZ61A Magnesium Alloy Welds under Salt Spray Corrosion Test and Galvanic Corrosion Test Using Response Surface Methodology

<table class="table-group" id="tab1"><tr class="table-caption" id="a"><td><b>(a) </b> </td></tr><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Al</td><td align="center">Zn</td><td align="center">Mn</td><td align="center">Mg</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">5.45</td><td align="center">1.26</td><td align="center">0.17</td><td align="center">Balance</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-caption" id="b"><td><b>(b) </b> </td></tr><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Yield strength<br/>(MPa)</td><td align="center">Ultimate tensile strength<br/>(MPa)</td><td align="center">Elongation<br/>(%)</td><td align="center">Vickers hardness at 0.05 kg load (Hv)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">177</td><td align="center">272</td><td align="center">8.40</td><td align="center">57</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

(a) chemical composition (wt%) of AZ61A Mg alloy and (b) mechanical properties of AZ61A Mg alloy.

International Journal of Metals

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Table 1

Table 1: Experimental Investigation of the Corrosion Behavior of Friction Stir Welded AZ61A Magnesium Alloy Welds under Salt Spray Corrosion Test and Galvanic Corrosion Test Using Response Surface Methodology 

Table 1 | Experimental Investigation of the Corrosion Behavior of Friction Stir Welded AZ61A Magnesium Alloy Welds under Salt Spray Corrosion Test and Galvanic Corrosion Test Using Response Surface Methodology 