CORROSION BEHAVIOR OF ZN-AL-CU ALLOY IN SODIUM-CHLORIDE SOLUTION - ELECTROCHEMICAL RESULTS

被引：0
|
作者：
GENESCA, J [1 ]
URUCHURTU, J [1 ]
机构：
[1] NATL AUTONOMOUS UNIV MEXICO,FAC CHEM,DEPT MET,MEXICO CITY 04510,DF,MEXICO
来源：
AFINIDAD | 1991年 / 48卷 / 432期
关键词：
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The corrosion behavior of Zn-22 Al-1 Cu alloy was examined by cathodic polarization in 0.5 M NaCl solution. The formation of Al2O3 x H2O seems to be spontaneous after pretreatment of the electrode at cathodic potentials. A second specie, Zn(OH)2, can be formed only under anodic polarization. Electrochemical noise was utilized in order to evaluate alternatively the corrosion behavior of Zn-Al-Cu alloy. The noise response observed showed a transient behavior typical of oxide film covered materials.
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页码：115 / 118
页数：4
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