| 镁合金表面草酸盐化学转化膜的性能研究 |
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| 引用本文： | 蒋永锋,周海涛,曾苏民.镁合金表面草酸盐化学转化膜的性能研究[J].电镀与涂饰,2009,28(11). |
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| 作者姓名： | 蒋永锋 周海涛 曾苏民 |
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| 作者单位： | 中南大学材料科学与工程学院,湖南,长沙,410083 |
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| 基金项目： | 中国博士后科学基金项目，湖南省博士后科研资助专项计划项目，中南大学博士后基金项目 |
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| 摘 要： | 给出了镁合金表面处理的工艺配方,研究了草酸盐化学转化膜的微观形貌、结合力、导电性及抗蚀性.结果表明,转化膜由均匀细小、比较致密的颗粒构成,擦拭试验超过50次无颜色变化,试样表面的电阻率小于0.1 Ω·cm,盐雾试验超24h,性能达到使用标准.
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| 关 键 词： | 镁合金 草酸盐 转化膜 微观形貌 结合力 导电性 抗蚀性 擦拭试验 |
Performance study of oxalate chemical conversion coating on magnesium alloy surface |
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| JIANG Yong-feng,ZHOU Hai-tao,ZENG Su-min.Performance study of oxalate chemical conversion coating on magnesium alloy surface[J].Electroplating & Finishing,2009,28(11). |
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| Authors: | JIANG Yong-feng ZHOU Hai-tao ZENG Su-min |
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| Affiliation: | JIANG Yong-feng,ZHOU Hai-tao,ZENG Su-minSchool of Materials , Engineering,Central South University,Changsha 410083,China |
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| Abstract: | The process formulation of magnesium alloy surface treatment was presented, and the micro-morphology, adhesion strength, conductivity and corrosion resistance of oxalate chemical conversion coating were studied. The results showed that the conversion coating is constituted by fine, uniform and compact grains, the wiping test exceeds 50 times with no color changes, the resistivity of sample surface is lower than 0.1 Ω·cm, and the salt spray test time is more than 24 h. The performance of conversion coating reaches application standard. |
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| Keywords: | magnesium alloy oxalate conversion coating micro-morphology adhesion strength conductivity corrosion resistance wiping test |
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