Electrochemical Properties of Oxide Scale on Steel Exposed in Saturated Calcium Hydroxide Solutions with or without Chlorides

<table class="fixed-width table-group" id="tab2"><tr><td><table class="table"><colgroup><col style="width:6.63em"/><col style="width:37.77em"/></colgroup><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Sample name</td><td class="align_center">Procedure</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Steel</td><td class="align_center">Mill scaled removed; ground and degreased</td></tr><tr><td class="align_left">Wustite</td><td class="align_center">850°C, 10 min <i>⟶</i>cooling to 600°C <i>⟶</i>quenched in water <i>⟶</i>grinding to black color</td></tr><tr><td class="align_left">Magnetite</td><td class="align_center">850°C, 10 min <i>⟶</i> cooling to 600°C <i>⟶</i> cooling to RT <i>⟶</i> 400°C, 50 min <i>⟶</i> light grinding</td></tr><tr><td class="align_left">Hematite</td><td class="align_center">850°C, 8 min <i>⟶</i> 550°C, 3 hours</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Manufacturing procedure of the different scales.</div>

International Journal of Corrosion

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Table 2

Table 2: Electrochemical Properties of Oxide Scale on Steel Exposed in Saturated Calcium Hydroxide Solutions with or without Chlorides 