期刊
RSC ADVANCES
卷 8, 期 5, 页码 2248-2259出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra11683g
关键词
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资金
- National Key Research and Development Program of China [2016YFB0301100]
- National Natural Science Foundation of China [51701029]
- Graduate Scientific Research and Innovation Foundation of Chongqing, China [CYS17002]
- China Postdoctoral Science Foundation [2017M620410]
- Chongqing Postdoctoral Scientific Research Foundation [Xm2017010]
- Chongqing Research Program of Basic Research and Frontier Technology [cstc2016jcyjA0388, cstc2017jcyjBX0040]
In this work, anodized magnesium alloy AZ31 with and without boiling water sealing was pre-prepared, and then MgAl-layered double hydroxide (LDH) films were fabricated on it through hydrothermal chemical conversion of the pre-prepared anodic layer. The morphology, structure, and composition of the films were characterized by XRD, SEM, EDS, FT-IR, XPS and GDOES. It was found that the porosity of the films was reduced after in situ fabrication of the LDHs. The effects of boiling water sealing treatment on the anodized substrate were also discussed. Moreover, the polarization curve, EIS, and immersion tests showed that LDHs fabricated on the anodized substrate with boiling water sealing treatment exhibited a significant long period of protection for the substrate.
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