| 硬铝合金硬质阳极氧化中电解液温度对膜层性能的影响 |
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| 引用本文： | 庞国星,李忠磊,陈志勇,黄胜洲.硬铝合金硬质阳极氧化中电解液温度对膜层性能的影响[J].材料保护,2011,44(4):41-42,8. |
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| 作者姓名： | 庞国星 李忠磊 陈志勇 黄胜洲 |
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| 作者单位： | 北华航天工业学院材料工程系; |
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| 基金项目： | 北华航天工业学院材料加工工程重点发展学科项目(XK-2010-05-Z)资助 |
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| 摘 要： | 硬铝合金硬质阳极氧化膜性能优异,但常用的硬质阳极氧化方法存在许多不足.采用硫酸和草酸的混合液作为电解液对硬铝合金硬质阳极氧化,研究了电解液温度对硬质阳极氧化膜厚度、硬度、耐蚀性的影响.结果表明:随着电解液温度的增加,硬质阳极氧化膜的厚度、硬度均先增加后减小;电解液温度为15℃时氧化膜的厚度、硬度最大;硬质阳极氧化膜经重...
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| 关 键 词： | 硬质阳极氧化 电解液温度 硬铝合金 膜厚 硬度 耐蚀性 |
Effect of Electrolyte Temperature on Performance of Hard Anodic Oxidation Coating of Hard Aluminum Alloy |
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| PANG Guo-xing,LI Zhong-lei,CHEN Zhi-yong,HUANG Sheng-zhou.Effect of Electrolyte Temperature on Performance of Hard Anodic Oxidation Coating of Hard Aluminum Alloy[J].Journal of Materials Protection,2011,44(4):41-42,8. |
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| Authors: | PANG Guo-xing LI Zhong-lei CHEN Zhi-yong HUANG Sheng-zhou |
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| Affiliation: | PANG Guo-xing,LI Zhong-lei,CHEN Zhi-yong,HUANG Sheng-zhou(Department of Material Engineering,North China Institute of Astronautic Engineering,Langfang 065000,China). |
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| Abstract: | The mixed solution of sulfuric acid and oxalic acid was used to conduct hard anodic oxidation of hard Al alloy.The effect of electrolyte temperature on the thickness,hardness and corrosion resistance of the hard anodic oxidation coating was investigated.It was found that the thickness and hardness of the hard anodic oxidation coating initially increased but then decreased with elevating electrolyte temperature.The hard anodic oxidation coating obtained at an electrolyte temperature of 15 ℃ had the maximum thickness and hardness.Sealing with potassium dichromate contributed to increasing corrosion resistance of the hard anodic oxidation coating,and electrolyte temperature also influenced the corrosion resistance of the coating sealed with potassium dichromate. |
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| Keywords: | hard anodic oxidation electrolyte temperature hard aluminum alloy thickness hardness corrosion resistance |
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