| 镁合金微弧氧化陶瓷层表面超疏水Mg-Al层状双金属氢氧化物涂层的耐蚀性（英文） |
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| 引用本文： | 王志虎,张菊梅,李妍,白力静,张国君. 镁合金微弧氧化陶瓷层表面超疏水Mg-Al层状双金属氢氧化物涂层的耐蚀性（英文）[J]. 中国有色金属学会会刊, 2019, 0(10): 2066-2077 |
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| 作者姓名： | 王志虎 张菊梅 李妍 白力静 张国君 |
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| 作者单位： | 西安理工大学材料科学与工程学院;西安科技大学材料科学与工程学院 |
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| 基金项目： | Project(17JS083) supported by the Key Laboratory Program of Shaanxi Education Department,China;Project(2016JZ018) supported by the Key Program of Natural Science Research of Shaanxi Province,China;Project(51701162) supported by the National Natural Science Foundation of China |
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| 摘 要： | 为进一步提高镁合金微弧氧化多孔陶瓷层的耐蚀性,采用原位水热法及硬脂酸表面改性方法,在陶瓷层表面制备超疏水镁铝层状双金属氢氧化物(Mg-Al LDH)涂层。采用X射线衍射议、扫描电子显微镜及能谱仪研究涂层的结构、形貌及成分,研究水热处理时间对Mg-Al LDH膜形成的影响。结果表明,随着水热处理时间的延长,原位生长的Mg-AlLDH将MAO陶瓷层表面的微孔和微裂纹逐渐闭合。电化学测试结果表明,与MAO陶瓷层和LDH/MAO涂层相比,超疏水LDH/MAO复合涂层具有最低的腐蚀电流密度、最正的腐蚀电位以及最大的阻抗模量;浸泡实验结果证明,具有主动防护性能的超疏水LDH/MAO涂层可以显著提高MAO陶瓷层的长期耐腐蚀性能。
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| 关 键 词： | 镁合金 微弧氧化 层状双金属氢氧化物 超疏水性 耐蚀性 |
Enhanced corrosion resistance of micro-arc oxidation coated magnesium alloy by superhydrophobic Mg-Al layered double hydroxide coating |
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| Zhi-hu WANG,Ju-mei ZHANG,Yan LI,Li-jing BAI,Guo-jun ZHANG. Enhanced corrosion resistance of micro-arc oxidation coated magnesium alloy by superhydrophobic Mg-Al layered double hydroxide coating[J]. Transactions of Nonferrous Metals Society of China, 2019, 0(10): 2066-2077 |
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| Authors: | Zhi-hu WANG Ju-mei ZHANG Yan LI Li-jing BAI Guo-jun ZHANG |
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| Affiliation: | (School of Materials Science and Engineering,Xi’an University of Technology,Xi’an 710048,China;School of Materials Science and Engineering,Xi’an University of Science and Technology,Xi’an 710054,China) |
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| Abstract: | Zhi-hu WANG;Ju-mei ZHANG;Yan LI;Li-jing BAI;Guo-jun ZHANG(School of Materials Science and Engineering,Xi’an University of Technology,Xi’an 710048,China;School of Materials Science and Engineering,Xi’an University of Science and Technology,Xi’an 710054,China) |
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| Keywords: | magnesium alloy micro-arc oxidation layered double hydroxide superhydrophobicity corrosion resistance |
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