Electrochemical Estimation of the Corrosion Rate of Magnesium/Aluminium Alloys

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Material</td><td align="center">Immersion  time</td><td align="center">Layer thickness (<svg height="12.25" id="M59" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 23.475 12.25" width="23.475" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.75)"><path d="M538 96q-38 -45 -84 -76.5t-71 -31.5q-44 0 -15 117q12 49 18 89h-2q-99 -128 -163 -178q-36 -28 -70 -28q-26 0 -44 38h-2q-16 -69 -16 -129q0 -43 11 -75.5t24 -42.5l1 -6q-7 -12 -24.5 -23t-37.5 -11q-40 0 -40 76q0 52 35 202l94 407l78 24l5 -5q-32 -122 -72 -310
q-7 -33 0 -55t25 -22q36 0 105.5 75t107.5 145l32 146l75 26h10q-50 -197 -78 -347q-7 -38 6 -38q7 0 31 17t47 39z" id="x1D707"></path></g><g transform="matrix(.017,-0,0,-.017,9.497,7.75)"><path d="M797 0h-214v26q46 5 58 17.5t12 63.5v167q0 116 -88 116q-48 0 -112 -52q3 -18 3 -42v-195q0 -46 11 -58t53 -17v-26h-214v26q48 5 59.5 17t11.5 60v172q0 115 -88 115q-47 0 -109 -52v-235q0 -47 10 -59.5t48 -17.5v-26h-211v26q50 5 62.5 17t12.5 60v207q0 48 -9 59.5
t-52 18.5v23q79 14 139 41v-81q3 2 29 20.5t44 29.5q45 28 81 28t66 -22t46 -61q25 20 83 57q39 26 76 26q59 0 93 -40t34 -113v-193q0 -49 10.5 -60.5t54.5 -16.5v-26z" id="x6D"></path></g>
</svg>)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Mg</td><td align="center">5 h</td><td align="center">480</td></tr><tr><td align="left">AZ31</td><td align="center">28 d</td><td align="center">300</td></tr><tr><td align="left">AZ80</td><td align="center">28 d</td><td align="center">35</td></tr><tr><td align="left">AZ91D</td><td align="center">28 d</td><td align="center">150</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Representative thicknesses values of the corrosion layers adhered to the metal surfaces.

International Journal of Corrosion

tab3

Table 3

Table 3: Electrochemical Estimation of the Corrosion Rate of Magnesium/Aluminium Alloys 