期刊
JOURNAL OF RARE EARTHS
卷 28, 期 -, 页码 393-395出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S1002-0721(10)60354-7
关键词
yttrium; sacrificial anode; Mg-Al-Zn-Y alloy; rare earths
资金
- Key Disciplinary Construction Special Fund of Shaanxi Province [101-00X902]
To improve lower current efficiency of Mg-based sacrificial anode, a Mg-based sacrificial anode material with yttrium addition was investigated. Its electrochemical properties were evaluated by the galvanostatic method, and its microstructure and constitution were characterized by metallurgical microscope and X-ray diffraction. The results showed that, the addition of yttrium refined dentrite grains, maximized current efficiency, and minimized potential of magnesium sacrificial anode. When 0.1% yttrium was doped, the anode showed the highest current efficiency, 62.5%, which improved its current efficiency by 14%.
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