| TiO2粉体对镁合金微弧氧化陶瓷膜性能的影响 |
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| 引用本文： | 张璇,邵忠财,齐丹.TiO2粉体对镁合金微弧氧化陶瓷膜性能的影响[J].稀有金属材料与工程,2011(Z2):495-497. |
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| 作者姓名： | 张璇 邵忠财 齐丹 |
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| 作者单位： | 沈阳理工大学 |
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| 基金项目： | 辽宁省教育厅科研计划项目(2008615) |
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| 摘 要： | 在已优化的Na2SiO4-Na3PO4复合体系溶液中加入TiO2粉对AZ91D镁合金进行了微弧氧化处理。用EDS、SEM、XRD分析了加TiO2粉对陶瓷膜的表面形貌和相成分的影响。结果表明,加入TiO2粉体后陶瓷膜孔洞减少,且疏松层变得密实;膜层相成分增加了钛氧化物。加入TiO2粉体后陶瓷膜的耐蚀性有提高。膜层具有光催化性能。
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| 关 键 词： | 镁合金 TiO2 粉体 微弧氧化 |
Effect of TiO2 Powder on the Performance of Magnesium Alloy Micro-Arc Oxidation Ceramic Coating |
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| Zhang Xuan, Shao Zhongcai, Qi Dan.Effect of TiO2 Powder on the Performance of Magnesium Alloy Micro-Arc Oxidation Ceramic Coating[J].Rare Metal Materials and Engineering,2011(Z2):495-497. |
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| Authors: | Zhang Xuan Shao Zhongcai Qi Dan |
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| Affiliation: | (Shenyang Ligong University, Shenyang 110159, China) |
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| Abstract: | AZ91D magnesium alloy was treated by micro-arc oxidation (MAO) in the optimized composite solution of silicate-phosphate system in which TiO2 powder were added. Morphological characteristics and phase constituent of ceramic coatings were analyzed using the energy disperse spectroscopy (EDS), the scanning electron microscope (SEM) and the X-ray diffraction (XRD). The results show that after adding TiO2 powders pores in ceramic coatings are decreased, the loose layer becomes more compact, and new phase of titanium oxide appeares. The corrosion resistance of the ceramic coating with TiO2 powders is improved. And the ceramic coating has photo catalytic properties. |
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| Keywords: | magnesium alloy TiO2 powders micro-arc oxidation |
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