期刊
CORROSION SCIENCE
卷 53, 期 10, 页码 3281-3288出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2011.06.003
关键词
Magnesium; XPS; XRD; Polarization; Passive films
资金
- National Natural Science Foundation of China [50901082]
- National Key Technology RD Program [2011BAE22B05]
In situ growth of Mg-Al hydrotalcite conversion film on AZ31 alloy has been developed by a two-step method. The characteristics of the films were investigated by X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), scanning electronic microscope (SEM) observation, electrochemical and immersion tests. The film formation process was proposed based on the open circuit potential (OCP) measurements and surface analysis. A precursor film with network cracks is first formed and then this film is transformed into a compact and uniform hydrotalcite (Mg(6)Al(2)(OH)(16)CO(3)center dot 4H(2)O) film after the post treatment. This dense Mg-Al hydrotalcite film can provide effective protection to the AZ31 alloy. (C) 2011 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据