Anticorrosive Performance of Zinc Phosphate Coatings on Mild Steel Developed Using Galvanic Coupling
Figure 1
Thermal stability of phosphate coatings obtained under uncoupled and galvanically coupled conditions: (a) mild steel coupled with stainless steel (area ratio of MS to SS-1 : 1,1 : 2, and 1 : 3); (b) mild steel coupled with nickel (area ratio of MS to Ni-1 : 1,1 : 2, and 1 : 3); (c) mild steel coupled with brass (area ratio of MS to BR-1 : 1,1 : 2 and 1 : 3); (d) mild steel coupled with copper (area ratio of MS to Cu-1 : 1,1 : 2, and 1 : 3); (e) mild steel coupled with titanium (area ratio of MS to Ti-1 : 1,1 : 2, and 1 : 3) when subjected to thermal treatment at 120°C, and 180°C for 30 minutes.
