期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 160, 期 1, 页码 C42-C47出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.038302jes
关键词
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资金
- World Class University (WCU) program through National Research Foundation of Korea
- Ministry of Education, Science and Technology [R31-2008-000-10075-0]
Yttria stabilized zirconia (YSZ) coating was deposited on AA7075 aluminum alloy by aerosol deposition (AD) at room temperature, and its electrochemical corrosion properties were investigated in 0.5 M H2SO4, 3.5 wt% NaCl, and 0.1 M KOH solutions. A crack-free, dense, and similar to 5 mu m thick YSZ coating on Al alloy was successfully obtained by AD method. The YSZ coating was polycrystalline and composed of similar to 10 nm nanocrystallites. Potentiodynamic and electrochemical impedance spectroscopy (EIS) tests indicated that the corrosion behavior in each solution was different, but the corrosion protection of the AA7075 Al alloy was significantly improved by the AD YSZ coating in all three solutions. (C) 2012 The Electrochemical Society. [DOI: 10.1149/2.038302jes] All rights reserved.
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