| 铝合金阳极氧化膜中温封孔工艺 |
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| 引用本文： | 高峰,李翠玲,刘传烨,杨俊,兰林,欧阳贵.铝合金阳极氧化膜中温封孔工艺[J].材料保护,2011,44(9):38-39,93. |
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| 作者姓名： | 高峰 李翠玲 刘传烨 杨俊 兰林 欧阳贵 |
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| 作者单位： | 1. 中国石油管道储运公司襄樊输油处生产科,湖北襄樊,441002
2. 武汉材料保护研究所,湖北武汉,430030 |
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| 摘 要： | 为了提高铝合金阳极氧化膜的封孔质量，研究了中温封孔处理的pH值、时间及温度等参数对封孔质量的影响，采用无硝酸预浸及有硝酸预浸的磷铬酸法对封孔质量进行检测，获得了中温封孔的最佳工艺条件：pH值5．5～6．5，温度不低于52℃，封孔时间不小于1min／μm。
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| 关 键 词： | 铝合金 阳极氧化 中温封孔 |
Technology for Moderate Temperature Hole-Sealing of Anodizing Coating of Aluminum Alloy |
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| GAO Feng,LI Cui-ling,LIU Chuan-ye,YANG Jun,LAN Lin,OUYANG Gui.Technology for Moderate Temperature Hole-Sealing of Anodizing Coating of Aluminum Alloy[J].Journal of Materials Protection,2011,44(9):38-39,93. |
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| Authors: | GAO Feng LI Cui-ling LIU Chuan-ye YANG Jun LAN Lin OUYANG Gui |
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| Affiliation: | 1.Xiangfan Oil Conveyance Section,Pipeline Storage and Transportation Company,Petro China,Xiang-fan 441002,China;2.Wuhan Research Institute of Materials Protection,Wuhan 430030,China). |
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| Abstract: | The effects of pH value,time and temperature on the effectiveness of hole-sealing for anodizing coating of Al alloy at moderate temperature were investigated.Phosphoric acid-chromic acid tests with and without nitric acid pre-soaking were adopted to examine the effectiveness of the hole-sealing,and the optimized condition for the hole-sealing was established.It was found that the best hole-sealing effectiveness was obtained when the hole-sealing was conducted at a pH value of 5.5~6.5,temperature of 52 ℃ and above,and time of 1 min/μm and above. |
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| Keywords: | Al alloy anodizing moderate temperature hole-sealing |
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