交变电磁场与磁致振动对铸铁腐蚀的影响

赵瑞宽,韩勇,张传鑫,朱琳,张乾瑞,武雷超

钢铁 ›› 2019, Vol. 54 ›› Issue (7) : 103-113.

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钢铁 ›› 2019, Vol. 54 ›› Issue (7) : 103-113. DOI: 10.13228/j.boyuan.issn0449749x.20180501
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交变电磁场与磁致振动对铸铁腐蚀的影响

  • 赵瑞宽,韩勇,张传鑫,朱琳,张乾瑞,武雷超
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Effect of alternating electromagnetic field and magnetic #br# vibration on corrosion of cast iron

  • 赵瑞宽,韩勇,张传鑫,朱琳,张乾瑞,武雷超
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摘要

为了探究缠绕式电脉冲水处理技术应用过程中,电磁场与磁致振动协同作用对铸铁腐蚀过程的影响。选择铸铁为研究对象,研究了腐蚀过程中溶解氧质量浓度、pH值、铁释放、铸铁挂片表面形态、腐蚀后生成铁系氧化物的结晶形态及组分以及挂片腐蚀速率等参数的特性及变化规律。研究结果表明,交变电磁场与磁致振动协同作用能够有效加速并促进腐蚀反应的阳极反应和阴极反应,使水中溶解氧质量浓度及pH降低,促进铁离子在水中的释放,显著改变腐蚀产物的物相组成及晶体形态。

Abstract

In order to explore the synergistic effect of the alternating electromagnetic field and the magnetic vibration on the corrosion process of cast iron during the application of the circumvolute electronic pulse water treatment technology. The cast iron was selected as the research object in this thesis. The dissolved oxygen concentration,pH value in the corrosion progress,the iron release,surface morphology of the cast iron coupon, the crystalline morphology and composition of iron oxides generated after corrosion,and the corrosion rate of cast iron coupon were studied. The result shows that the synergistic effect of the alternating electromagnetic field and magnetic vibration can effectively accelerate and promote the anode reaction and the cathode reaction of corrosion reactions,reduce the pH value and the dissolved oxygen concentration in the water,promote the release iron release in water,and significantly change the composition and the crystal morphology of corrosion productions.

关键词

交变电磁场 / 磁致振动 / 腐蚀产物 / 铁释放 / SEM / XRD

Key words

  / alternating electromagnetic fields; magnetic vibration; corrosion scale; iron release; SEM; XRD

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赵瑞宽,韩勇,张传鑫,朱琳,张乾瑞,武雷超. 交变电磁场与磁致振动对铸铁腐蚀的影响[J]. 钢铁, 2019, 54(7): 103-113 https://doi.org/10.13228/j.boyuan.issn0449749x.20180501
ZHAO Ruikuan,HAN Yong,ZHANG Chuanxin,ZHU Lin,. Effect of alternating electromagnetic field and magnetic #br# vibration on corrosion of cast iron[J]. Iron and Steel, 2019, 54(7): 103-113 https://doi.org/10.13228/j.boyuan.issn0449749x.20180501

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