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INVESTIGATION INTO SYNERGISTIC EFFECT OF MOLYBDATE AND PHOSPHATE AS AN INHIBITOR FOR MILD STEEL CORROSION PREVENTION IN SIMULATED COOLING WATER
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نویسنده
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Dehghanian C ,Saremi M ,Mohammadi Sabet M
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منبع
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iranian journal of materials science and engineering - 2005 - دوره : 2 - شماره : 1 - صفحه:20 -24
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چکیده
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The synergistic behaviour 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.
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کلیدواژه
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Corrosion ,Corrosion inhibitor ,Molybdate ,Phosphate ,Cooling systems
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آدرس
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university of tehran, Faculty of Engineering, Department of Metallurgy and Materials Engineering, ایران, university of tehran, Faculty of Engineering, Department of Metallurgy and Materials Engineering, ایران, university of tehran, Faculty of Engineering, Department of Metallurgy and Materials Engineering, ایران
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پست الکترونیکی
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mh_sabet58@yahoo.com
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Authors
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