| AZ31镁合金表面锡酸盐化学转化膜的研究 |
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| 引用本文： | 杨娜,夏兰廷,伊振斌. AZ31镁合金表面锡酸盐化学转化膜的研究[J]. 中国铸造装备与技术, 2011, 0(2) |
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| 作者姓名： | 杨娜 夏兰廷 伊振斌 |
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| 作者单位： | 太原科技大学材料科学与工程学院,太原,030024 |
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| 摘 要： | 对AZ31镁合金表面采取锡酸盐化学转化处理,采用对比试验测定了转化膜在质量分数3.5%NaCl溶液中的腐蚀率,利用扫描电镜(SEM)及能谱(EDS)观察分析了转化膜的形貌和元素含量.结果表明:经锡酸盐转化后的AZ31镁合金的腐蚀率为2.65mm/a,未经转化的AZ31镁合金的腐蚀率为30.36mm/a,耐蚀性有明显提高;锡酸盐转化液pH值在3.5～12范围时对AZ31镁合金均形成了转化膜保护层.
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| 关 键 词： | AZ31镁合金 转化膜 锡酸盐 耐腐蚀性 |
Investigation on Stannate Chemical Conversion Coatings on AZ31 Magnesium Alloy |
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| YANG Na,XIA LanTing,YI ZhenBin. Investigation on Stannate Chemical Conversion Coatings on AZ31 Magnesium Alloy[J]. China Foundry Machinery & Technology, 2011, 0(2) |
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| Authors: | YANG Na XIA LanTing YI ZhenBin |
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| Affiliation: | YANG Na,XIA LanTing,YI ZhenBin(School of Material Science and Engineering,Taiyuan University of Science and Technology,Taiyuan 030024,Shanxi China) |
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| Abstract: | AZ31 magnesium alloy has been adapted by stannate chemical process.The corrosion behavior and rate of specimens with and without conversion coating have been investigated by experiment of compare in 3.5wt% NaCl solution.The microstructure morphology and element contents have been analyzed by scanning electron microscopy and energy dispersive spectrometer.The results indicated that conversion film was uniform and dense covering the surface of AZ31 magnesium alloy.After chemical conversion treatment,the rate ... |
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| Keywords: | AZ31 magnesium alloy Conversion film Stannate Corrosion resistance |
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