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ENABLING OBJECTIVES (Cont.) - h1015v1_101
Corrosion Theory - h1015v1_104

Chemistry Volume 1 of 2
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Corrosion DOE-HDBK-1015/1-93 CORROSION THEORY Rev. 0 CH-02 Page 1 CORROSION THEORY Uncontrolled corrosion in DOE facilities can cause many serious problems. Corrosion occurs continuously, and every metal in every facility is subject to some type of corrosion.  Even though corrosion cannot be eliminated, it can be controlled. EO 1.1 DEFINE the following terms: a. Ionization b. Conductivity c. Corrosion d. Electrolysis e. General corrosion EO 1.2 DESCRIBE an electrochemical cell with respect to the corrosion of metals. EO 1.3 STATE what happens to a metal during the oxidation step of the oxidation-reduction process. EO 1.4 STATE what happens to a metal during the reduction step of the oxidation-reduction process. EO 1.5 DEFINE the following terms: a. Passivity b. Polarization EO 1.6 DESCRIBE the affects of passivity and polarization on the corrosion process. Corrosion In DOE facilities, especially reactor plants, many precautions are taken to control the corrosion of metals used in the various primary and secondary systems.  Uncontrolled corrosion of the reactor systems is detrimental for the following reasons. Rapid localized corrosion may lead to penetration of the metal containing the coolant. Radioactive coolant would then leak from the system and jeopardize safe operation.







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