Author:
ELAYAPERUMAL K.,CHOUTHAI S. S.,BALACHANDRA J.
Abstract
Abstract
The effect of cathodic pretreatment at −1.3 V vs a saturated calomel electrode (SCE) on the passivity of Kroll zirconium in 5, 10, and 20 vol % H2SO4 solution at room temperature was determined through potentiostatic anodic polarization studies. The cathodic treatment made the attainment of passivity easier and reduced the passive currents considerably. Studies on potential vs time and active and passive currents vs time indicated a protective film formation during the cathodic treatment. The possibility of a zirconium oxide film formation due to cathodic polarization induced alkalinity at −1.3 V (SCE) is discussed.
Subject
General Materials Science,General Chemical Engineering,General Chemistry
Cited by
10 articles.
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