Effect of heat treatment on the efficiency of Mg anodes |
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| Authors: | B Campillo C Rodriguez J Genesca J Juarez-lslas Flores L Martinez |
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| Affiliation: | (1) Facultad de Quimica, UNAM, Edif. D. CU, 04510, Mexico DF;(2) Inst. de Inv., de Materiales-UNAM, CU, 04510, Mexico DF;(3) Lab. Cuernavaca, IFUNAM, P.O. Box 48-3, C.P. 62251 Cuernavaca, Mor., Mexico |
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| Abstract: | Commercial magnesium anodes were evaluated using ASTM G 97-89 for a standard test along with a technique of electrochemical
impedance. Several heat treatments were performed, and the anodic efficiency was determined, showing an incremental increase
of 10 to 12 % of the efficiency demonstrated by the nontreated commercial anodes (as-cast condition). The increase in efficiency
was related to the microstructural characteristics. The appearance of second phase particles influenced the form of the corrosion
process. |
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| Keywords: | Cathodic protection Magnesium Magnesium heattreatment |
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