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首页> 外文期刊>Journal of coatings technology and research >Characterization and property of microarc oxidation coatings on open-cell aluminum foams
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Characterization and property of microarc oxidation coatings on open-cell aluminum foams

机译：开孔泡沫铝上微弧氧化涂层的表征与性能

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摘要

The ceramic coatings were prepared on open-cell aluminum foams by microarc oxidation (MAO) treatment in an alkaline-silicon electrolyte. The morphology, microstructure, elemental distribution, and phase composition of the MAO coatings were investigated by scanning electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction, respectively. The corrosion behaviors of the coated and uncoated foams were evaluated by electrochemical polarization measurement. The results show that the MAO coatings cover the surface of open-cell aluminum foams. The coatings were composed of an external porous layer and an internal dense layer. The main phase of the MAO coating phase is γ-Al_2O_3. The coated aluminum foams exhibit more positive corrosion potential and lower corrosion current density compared with the uncoated aluminum foams.
机译：通过在碱性硅电解质中进行微弧氧化（MAO）处理，在开孔铝泡沫材料上制备陶瓷涂层。通过扫描电子显微镜，能量色散X射线光谱和X射线衍射分别研究了MAO涂层的形貌，微观结构，元素分布和相组成。通过电化学极化测量评估涂覆和未涂覆泡沫的腐蚀行为。结果表明，MAO涂层覆盖了开孔泡沫铝的表面。涂层由外部多孔层和内部致密层组成。 MAO涂层相的主要相为γ-Al_2O_3。与未涂覆的铝泡沫相比，涂覆的铝泡沫显示出更高的正腐蚀电位和更低的腐蚀电流密度。

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  • 来源
    《Journal of coatings technology and research》 |2012年第3期|p.357-363|共7页
  • 作者

    Jiaan Liu; Xianyong Zhu; Zhiqiu Huang; Sirong Yu; Xizhen Yang;

  • 作者单位

    Key Laboratory of Automobile Materials (Jilin University), Ministry of Education, and College of Materials Science and Engineering, Jilin University, Changchun 130025, People's Republic of China;

    Key Laboratory of Automobile Materials (Jilin University), Ministry of Education, and College of Materials Science and Engineering, Jilin University, Changchun 130025, People's Republic of China,Institute of Mechanical Science and Engineering, Jilin University, Changchun 130025, People's Republic of China;

    Key Laboratory of Automobile Materials (Jilin University), Ministry of Education, and College of Materials Science and Engineering, Jilin University, Changchun 130025, People's Republic of China;

    Key Laboratory of Automobile Materials (Jilin University), Ministry of Education, and College of Materials Science and Engineering, Jilin University, Changchun 130025, People's Republic of China;

    School of Sciences, Changchun University, Changchun 130022, People's Republic of China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    open-cell foams; aluminum; microarc oxidation; ceramic coatings;

    机译：开孔泡沫;铝;微弧氧化陶瓷涂料;

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