期刊
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
卷 15, 期 11-12, 页码 2601-2610出版社
SPRINGER
DOI: 10.1007/s10008-010-1253-z
关键词
Al alloy anode; Heat treatment; Microstructure; Electric potential; Corrosion
资金
- COSTIND of China [JPPT-115-2-747]
The microstructure of Al-Mg-Sn-Ga-Pb quinary aluminum alloy anode material and the influences of its electrochemical properties and self-corrosion rate in 4 mol/l NaOH +10 g/l Na2SnO3 medium were studied. The microstructure and morphology were characterized by metallographic microscope, transmission electron microscope, and scanning electron microscopy. The electrochemical properties were tested by electrochemical workstation, and the self-corrosion rate of Al alloy anode was studied by methods of recovery H-2 gas by discharge water. The results show that homogenization has not much impact on the electrochemical properties and the corrosion rate of the cast aluminum alloy anode material; besides, return annealing treatment of the cold-rolled Al-Mg-Sn-Ga-Pb quinary aluminum alloy anode material can reduce the rate of self-corrosion and make Al anodic potential shift negative steadily and improve the properties of the material.
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