| 冷却水对H型钢表面氧化铁皮耐蚀性能的影响 |
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| 引用本文： | 刘春伟,霍喜伟,宋玉卿,孙晓庆. 冷却水对H型钢表面氧化铁皮耐蚀性能的影响[J]. 钢铁研究, 2013, 0(6): 34-36 |
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| 作者姓名： | 刘春伟 霍喜伟 宋玉卿 孙晓庆 |
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| 作者单位： | 莱芜钢铁集团有限公司技术中心,山东莱芜271105 |
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| 摘 要： | 采用光学显微镜对试验样品表面进行观察和分析,利用水质分析仪对氧化铁皮中残留的腐蚀性介质的浓度进行测定。通过极化曲线和电化学阻抗等电化学测试方法,研究了H型钢样品表面氧化铁皮的耐腐蚀性能变化。结果表明:水冷样品表面锈蚀严重,原因是其表层氧化铁皮中阴离子含量高,腐蚀介质易渗入氧化膜内层,导致耐蚀性能降低。
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| 关 键 词： | H型钢 冷却水 氧化铁皮 耐蚀性 |
Influence of cooling water on corrosion resistance of iron scale on H-beam surface |
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| LIU Chun-wei,HUO Xi-wei,SONG Yu-qing,SUN Xiao-qing. Influence of cooling water on corrosion resistance of iron scale on H-beam surface[J]. Research on Iron and Steel, 2013, 0(6): 34-36 |
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| Authors: | LIU Chun-wei HUO Xi-wei SONG Yu-qing SUN Xiao-qing |
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| Affiliation: | (Technology Center of Laiwu Steel Group, Laiwu 271105, China) |
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| Abstract: | Observation and analysis on the surface of testing samples were carried out by optical microscope. The concentration of residual corrosion media in oxide were determined by water analyzer. In addition, the changes in corrosion resistance of the surface oxide scales on H-beams samples surface were studied by polarization curves and electrochemical impedance spectroscopy. The results indicate that the water-cooled sample surface was corroded badly because of higher anion content in oxide, which made corrosion medium permeate into the inner layer more easily and decrease its corrosion resistance. |
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| Keywords: | H-beam steel cooling water scale corrosion resistance |
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