| 低温AlCl_3-NaCl-KCl三元无机熔盐体系电镀铝工艺 |
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| 引用本文： | 舒均杰.低温AlCl_3-NaCl-KCl三元无机熔盐体系电镀铝工艺[J].材料保护,2010,43(1). |
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| 作者姓名： | 舒均杰 |
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| 作者单位： | 湖南化工职业技术学院,湖南,株洲,412004 |
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| 摘 要： | 用AlCl_3-NaCl-KCl三元无机熔盐体系在Q235低碳钢基体上镀铝,运用涂层测厚仪、X射线衍射仪、金相显微镜、静态浸泡失重法等手段,对铝镀层的厚度、相结构、表面形貌和耐蚀性等进行了研究.结果表明:铝镀层厚度随电流密度的增加近似成线性增长,电镀前期随电镀时间延长明显增大,之后变化率逐渐减小;镀层为面心立方结构单相铝,主要由(200)面组成;铝镀层与碳钢基体结合良好,具有较好的耐蚀性能.
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| 关 键 词： | 熔盐电镀 铝 电沉积 Q235 组织结构 耐蚀性 |
Microstructure and Corrosion Resistance of Aluminum Coating Electroplated on Low Carbon Sled from Low-Temperature AlCl_3-NaCl-KCl Inorganic Molten Salt |
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| SHU Jun-jie.Microstructure and Corrosion Resistance of Aluminum Coating Electroplated on Low Carbon Sled from Low-Temperature AlCl_3-NaCl-KCl Inorganic Molten Salt[J].Journal of Materials Protection,2010,43(1). |
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| Authors: | SHU Jun-jie |
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| Affiliation: | SHU Jun-jie(Hunan Vocational College of Chemical Engineering , Technology,Zhuzhou 412004,China) |
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| Abstract: | Electroplated aluminum coating was prepared on Q235 carbon steel from ternary inorganic molten salt AlCl3-NaCl-KCl.The morphology,thickness and micro-structure were analyzed by using an optical microscope,a coating-thickness gauge and an X-ray diffractometer.The corro-sion resistance of the Al coating was evaluated by measuring its weight-loss in static soaking at room temperature.Results show that the thickness of the Al coating increases approximately line-arly with extending plating time.Namely,the thick... |
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| Keywords: | Q235 electroplating in molten salt Al electroplating Q235 steel mierostructure corrosion resistance |
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