| 稀土镧对热浸镀铝层耐蚀性的影响 |
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| 引用本文： | 李晓源,文九巴,李全安,张荥渊,胡鹏飞.稀土镧对热浸镀铝层耐蚀性的影响[J].机械工程材料,2004,28(7):40-42. |
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| 作者姓名： | 李晓源 文九巴 李全安 张荥渊 胡鹏飞 |
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| 作者单位： | 河南科技大学材料科学与工程学院,河南洛阳,471003 |
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| 基金项目： | 河南省高校杰出科研人才创新工程资助项目 |
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| 摘 要： | 通过CO2和H2S腐蚀试验，采用SEM和EDS研究了20钢经热浸镀稀土(镧)铝和扩散处理后的渗层组织和耐蚀性能。结果表明：镧对铝的扩散具有促进作用，改善了镀层的耐蚀性能；当铝中加入镧的含量达到0.5%时，其耐蚀性最好。
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| 关 键 词： | 稀土 热浸镀铝 镀层 耐蚀性 |
| 文章编号： | 1000-3738(2004)07-0040-03 |
Effect of Rare Earth La on the Corrosion Resistance of Hot-dip Aluminum Coating |
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| LI Xiao-yuan,WEN Jiu-ba,LI Quan-an,ZHANG Xing-yuan,HU Peng-fei.Effect of Rare Earth La on the Corrosion Resistance of Hot-dip Aluminum Coating[J].Materials For Mechanical Engineering,2004,28(7):40-42. |
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| Authors: | LI Xiao-yuan WEN Jiu-ba LI Quan-an ZHANG Xing-yuan HU Peng-fei |
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| Abstract: | CO_2 corrosion tests and H_2S corrosion tests, together with SEM and EDS, were used to study the microstructure and corrosion resistance of the coating on 20 steel treated by hot-dip aluminizing and diffusing with rare earth La. The results show that the corrosion resistance of the coating was improved greatly by rare earth La. The hot-dip aluminum coating with 0.5%La showed the best corrosion resistance. |
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| Keywords: | rare earth hot-dip aluminum coating corrosion resistance |
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