Transcription of Cathodic Protection - An Overview [Recovered]
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Cathodic Protection - An Overview [Recovered]
Fact File No 3 Cathodic PROTECTIONAN OVERVIEWC athodic Protection Co LtdWHATISIT? Cathodic Protection (CP) is a method of corrosion control that can be applied to buried and is normally used in conjunction with coatings and can be considered as a secondary corrosion can be between 50 and 99 % efficient depending upon age, type, method of installation, etc. A properlydesignedandmaintainedcathodicpro tectionsystemwilltakeuptheremainderresul tingina100% is estimated that somewhere between 3 and 5 % of the gross national product (GNP) of $300billionper year and it is estimated that one third of this value could be saved with better selection of corrosionpreventiontechniques, corrosionof metals, inparticular steel, inan aqueous environment(which can be either soil or water), ,manhasminedironoreand processed it into steel.
IMPRESSED CURRENT CATHODIC PROTECTION With an impressed current system the current is “impressed” or forced by a power supply.
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