| 热镀Zn层钼酸盐钝化工艺 |
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| 引用本文： | 卢锦堂,孔纲,陈锦虹,许乔瑜,宋进兵.热镀Zn层钼酸盐钝化工艺[J].腐蚀科学与防护技术,2001,13(1):46-48. |
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| 作者姓名： | 卢锦堂 孔纲 陈锦虹 许乔瑜 宋进兵 |
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| 作者单位： | 华南理工大学材料学院 |
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| 基金项目： | 广东省攻关资助项目!(粤财工 982 78) |
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| 摘 要： | 研究了用低毒性钼酸盐取代剧毒的重铬酸盐对热镀 Zn层进行钝化的工艺，探讨了钝化液组成、pH值、钝化处理温度及时间对钝化成膜及膜层耐 蚀性的影响.中性盐雾腐蚀(NSS)试验表明，采用该工艺可获得耐蚀性与低Cr钝化相当的具有 较为均匀的淡黄或浅蓝色钝化膜.
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| 关 键 词： | 钼酸盐钝化 热镀Zn层 耐蚀性 |
| 文章编号： | 1002-6495(2001)01-0046-03 |
PASSIVATION OF GALVANIZED STEEL BY MOLYBDATE |
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| LU Jintang,KONG Gang,CHEN Jinhong,XU Qiaoyu,SONG Jinbing.PASSIVATION OF GALVANIZED STEEL BY MOLYBDATE[J].Corrosion Science and Protection Technology,2001,13(1):46-48. |
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| Authors: | LU Jintang KONG Gang CHEN Jinhong XU Qiaoyu SONG Jinbing |
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| Abstract: | A low toxic passivation process by molybdate for galvanized steel has been investigated for replacing the high toxic one by chromate.Effects of bath composition,pH,treatment temperature and time on the properties of passivation film have been discussed.Results of Neutral Salt Spray tests show that,an uniform pale yellow or light blue passivation film with corrosion resistance corresponding to that by chromate treatment is formed on the surface of galvanized steel by the molybdate treatment. |
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| Keywords: | molybdate passivation galvanized steel corrosion resistance |
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