| 镁合金表面SiO2-ZrO2溶胶凝胶膜的耐蚀性 |
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| 引用本文： | 尚伟,温玉清,姜吉琼,何扬,李欢平.镁合金表面SiO2-ZrO2溶胶凝胶膜的耐蚀性[J].特种铸造及有色合金,2011,31(3). |
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| 作者姓名： | 尚伟 温玉清 姜吉琼 何扬 李欢平 |
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| 作者单位： | 桂林理工大学化学与生物工程学院 |
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| 摘 要： | 采用溶胶-凝胶法在AZ91D镁合金表面制备SiO2-ZrO2复合溶胶凝胶膜.研究膜层制备工艺中的干燥、固化过程对膜层耐腐蚀性能的影响,从而确定了SiO2-ZrO2复合溶胶凝胶膜在镁合金表面的最佳沉积工艺.通过全浸腐蚀试验和电化学测试方法评价了膜层的耐腐蚀性能.试验确定最佳沉积工艺参数:干燥温度为80℃、干燥时间为9 h、固化温度为250℃、固化时间为1 h.在优化工艺条件下制备的溶胶凝胶膜层对镁合金基体有一定的防护作用,提高了镁合金的耐蚀性.
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| 关 键 词： | 镁合金 溶胶凝胶 沉积工艺 耐蚀性 |
Corrosion Resistance of SiO2-ZrO2 Sol-gel Film on Magnesium Alloy |
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| Shang Wei,Wen Yuqing,Jiang Jiqiong,He Yang,Li Huanping.Corrosion Resistance of SiO2-ZrO2 Sol-gel Film on Magnesium Alloy[J].Special Casting & Nonferrous Alloys,2011,31(3). |
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| Authors: | Shang Wei Wen Yuqing Jiang Jiqiong He Yang Li Huanping |
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| Affiliation: | Shang Wei,Wen Yuqing,Jiang Jiqiong,He Yang,Li Huanping (College of Chemistry and Bioengineering,Guilin University of Technology,Guilin,China) |
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| Abstract: | SiO2-ZrO2 sol-gel film was prepared on magnesium alloy AZ91D by sol-gel technique, and effects of drying and curing process on corrosion resistance of sol-gel film were investigated to determine the optimized deposition process of the SiO2-ZrO2 sol-gel film on magnesium alloy. Corrosion resistance of the sol-gel film was evaluated by total immersion testing and electrochemistry in a 3.5% NaCl solution. The results indicate that sol-gel film exhibits acceptable protection effects on the magnesium alloy subst... |
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| Keywords: | SiO2-ZrO2 |
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