| 李超,吴恒,张波,盖德胜.典型不锈钢在淡化海水中的耐腐蚀性能研究[J].装备环境工程,2017,14(2):67-71. LI Chao,WU Heng,ZHANG Bo,GAI De-sheng.Corrosion Resistance of Stainless Steel in Desalinated Seawater[J].Equipment Environmental Engineering,2017,14(2):67-71. |
| 典型不锈钢在淡化海水中的耐腐蚀性能研究 |
| Corrosion Resistance of Stainless Steel in Desalinated Seawater |
| 投稿时间：2016-11-12 修订日期：2017-02-15 |
| DOI：10.7643/ issn.1672-9242.2017.02.013 |
| 中文关键词: 淡化海水 不锈钢 点蚀 缝隙腐蚀 应力腐蚀 |
| 英文关键词:desalinated seawater stainless steel pitting crevice corrosion stress corrosion |
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| Author | Institution |
| LI Chao | 1.Qingdao NCS Testing & Corrosion Protection Technology Co., Ltd., Qingdao 266071, China;2.Qingdao Research Institute four Marine Corrosion, Central Institute for Iron and Steel, Qingdao 266071, China |
| WU Heng | 1.Qingdao NCS Testing & Corrosion Protection Technology Co., Ltd., Qingdao 266071, China;2.Qingdao Research Institute four Marine Corrosion, Central Institute for Iron and Steel, Qingdao 266071, China |
| ZHANG Bo | 1.Qingdao NCS Testing & Corrosion Protection Technology Co., Ltd., Qingdao 266071, China;2.Qingdao Research Institute four Marine Corrosion, Central Institute for Iron and Steel, Qingdao 266071, China |
| GAI De-sheng | 1.Qingdao NCS Testing & Corrosion Protection Technology Co., Ltd., Qingdao 266071, China;2.Qingdao Research Institute four Marine Corrosion, Central Institute for Iron and Steel, Qingdao 266071, China |
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| 中文摘要: |
| 目的 研究316L和2205在淡化海水中的耐腐蚀性能，并研究水处理药剂对不锈钢耐蚀性的影响。方法 采用电化学试验、慢应变速率拉伸试验、扫描电镜等方法。结果 在淡化海水中，316L临界点蚀温度为42.7 ℃，加入药剂后为70.2 ℃；2205的临界点蚀温度大于85 ℃。2205耐缝隙腐蚀性能明显好于316L，药剂对2205也具有一定的缓蚀作用。316L和2205在50 ℃淡化海水中具有高应力腐蚀抗力。结论 316L不适合直接在淡化海水中应用，但适合在加入药剂的淡化海水中使用；2205适合在淡化海水中应用。 |
| 英文摘要: |
| Objective To study the corrosion resistance of 316L and 2205 stainless steel in desalinated seawater and explore influences of water treatment agentia on corrosion resistance of stainless steel. Methods Electrochemical test, slow strain rate tensile test, SEM, etc. were adopted. Results The critical pitting temperature of 316L in desalinated seawater was 42.7 ℃. It was 70.2 ℃ after agentia was added; the critical pitting temperature of 2205 was higher than 85 ℃. The crevice corrosion resistance property of 2205 was better than 316L. The agentia also had corrosion inhibition effect on 2205. Both 316L and 2205 had high stress corrosion resistance in desalinated seawater at 50℃. Conclusion 316L is not suitable to be used in desalinated seawater directly, but is suitable to be used in desalinated seawater with agentia; 2205 is suitable to be used in desalinated seawater. |
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