Volume 2, Issue 1 (Oct 2005)                   IJMSE 2005, 2(1): 9-15 | Back to browse issues page

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DEHGHANIAN C., SAREMI M., MOHAMMADI SABET M.. INVESTIGATION INTO SYNERGISTIC EFFECT OF MOLYBDATE AND PHOSPHATE AS AN INHIBITOR FOR MILD STEEL CORROSION PREVENTION IN SIMULATED COOLING WATER. IJMSE 2005; 2 (1) :9-15
URL: http://ijmse.iust.ac.ir/article-1-44-en.html
INVESTIGATION INTO SYNERGISTIC EFFECT OF MOLYBDATE AND PHOSPHATE AS AN INHIBITOR FOR MILD STEEL CORROSION PREVENTION IN SIMULATED COOLING WATER
DEHGHANIAN C. , SAREMI M. , MOHAMMADI SABET M.
Abstract:   (32951 Views)
The synergistic behavior of molybdate and phosphate ions in mitigating the corrosion of mild steel in simulated cooling water was evaluated performing potentiodynamic polarization and impedance spectroscopy tests. Phosphate and molybdate showed a synergistic effect on corrosion inhibition of steel in simulated cooling water. The observed reduction in anodic and cathodic current densities could be the consequence of incorporation of both phosphate and molybdate ions in forming a protective layer on the surface. The charge transfer resistance of the protective layer formed on steel surface was much greater in presence of both ions in solution than that when each inhibitor used alone.
Keywords: Corrosion, Corrosion inhibitor, Molybdate, Phosphate, Cooling systems
     
Type of Study: Research Paper | Subject: Ceramics
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