| 杨博均,魏木孟,姚敬华,陈翔峰,任润桃.45#钢和Q235在不同水环境中的腐蚀行为研究[J].装备环境工程,2017,14(6):102-108. YANG Bo-jun,WEI Mu-meng,YAO Jing-hua,CHEN Xiang-feng,REN Run-tao.Corrosion Behaviors of 45# and Q235 Carbon Steel in Different Water Circumstances[J].Equipment Environmental Engineering,2017,14(6):102-108. |
| 45#钢和Q235在不同水环境中的腐蚀行为研究 |
| Corrosion Behaviors of 45# and Q235 Carbon Steel in Different Water Circumstances |
| 投稿时间：2017-01-18 修订日期：2017-06-15 |
| DOI：10.7643/ issn.1672-9242.2017.06.020 |
| 中文关键词: 碳钢 腐蚀 淡海水交替 电导率 |
| 英文关键词:carbon steel corrosion seawater-freshwater alternation specific conductance |
| 基金项目:“十二五”技术基础科研项目（Z132013B001） |
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| Author | Institution |
| YANG Bo-jun | Advanced Material Academy of Luoyang Ship Material Research Institute, Xiamen 361006, China |
| WEI Mu-meng | Advanced Material Academy of Luoyang Ship Material Research Institute, Xiamen 361006, China |
| YAO Jing-hua | 1.Advanced Material Academy of Luoyang Ship Material Research Institute, Xiamen 361006, China；2.State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSMRI), Qingdao 266101, China |
| CHEN Xiang-feng | 1.Advanced Material Academy of Luoyang Ship Material Research Institute, Xiamen 361006, China；2.State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSMRI), Qingdao 266101, China |
| REN Run-tao | 1.Advanced Material Academy of Luoyang Ship Material Research Institute, Xiamen 361006, China；2.State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSMRI), Qingdao 266101, China |
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| 中文摘要: |
| 目的 研究碳钢在不同水环境条件下的腐蚀行为。方法 通过开展45#钢及Q235两种典型的碳钢材料在淡海水交替、海水及淡水自然环境下2年的暴露试验，将三种环境下材料的腐蚀形貌、腐蚀速率进行对比，总结3种材料在不同水环境下的腐蚀规律，对其腐蚀机理进行了简要的探讨，并对其长周期的腐蚀行为进行预测。结果 对45#钢来说，淡海水环境对其的影响是海水环境下的92%，淡水环境的影响是海水环境下的46%；对Q235来说，淡海水环境对其的影响是海水环境下的88%，淡水环境的影响是海水环境的53%。结论 碳钢在海水环境下耐蚀性最差，在淡海水交替自然环境下次之，在淡水环境下的耐蚀性能最好。 |
| 英文摘要: |
| Objective To study corrosion behaviors of carbon steel in different water circumstances. Methods Two kinds of typical metals, including 45# and Q235 carbon steel, were exposed in seawater, freshwater and natural environment alternatively between seawater/freshwater for 2 years to compare data on corrosion morphology and corrosion rate. The corrosion rules of 2 kinds of materials in different water circumstances were summarized. The corrosion mechanism was discussed, and the long-term corrosion behaviors were also predicted. Results For 45# steel, influences of brackish water environment was 92% of seawater environment, influences of freshwater environment was 46% of seawater environment; for Q235 steel, influences of brackish water environment was88% of seawater environment; influences of freshwater environment was 53% of seawater environment. Conclusion The corrosion resistance of carbon steel is the poorest in seawater environment, medium in brackish water environment and the best in freshwater environment. |
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