Initial Corrosion Behavior of X80 Pipeline Steel in the Yellow Sea
摘 要
对黄海海域18个站位的海水腐蚀性进行了研究,通过电化学阻抗及动电位极化曲线测试研究了X80管线钢在黄海海域的腐蚀电化学行为,并分析了环境中腐蚀因子对X80管线钢腐蚀行为的影响规律。结果表明:依据水环境参数聚类分析,可将调查海域分为三类;海水的密度、盐度、溶解氧含量与X80管线钢腐蚀电流密度的相关性最为显著;X80管线钢在黄海海域的腐蚀总体上呈现南低北高,近岸低远岸高的趋势。
Abstract
The corrosivity of seawater at 18 stations in the Yellow Sea was studied. The electrochemical corrosion behavior of X80 pipeline steel in the Yellow Sea area was studied by polarization curve and electrochemical impedance spectroscopy, and the effect of corrosion factors in the environment on corrosion behavior of X80 pipeline steel was analyzed. The results showed that the seawater in the Yellow Sea could be divided into three categories. Density, salinity and content of dissolved oxygen of seawater were significantly correlated with the corrosion current density of X80 pipeline steel. The corrosion of X80 pipeline steel in the Yellow Sea generally presents a trend of low in south, high in morth, low in near shore and high in far shore.
中图分类号 TG172.5 DOI 10.11973/fsyfh-201805001
所属栏目 试验研究
基金项目 国家自然科学基金(41476067)
收稿日期 2017/2/13
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联系人作者孙虎元(sun@qdio.ac.cn)
引用该论文: GAO Yang,SUN Huyuan,SUN Lijuan. Initial Corrosion Behavior of X80 Pipeline Steel in the Yellow Sea[J]. Corrosion & Protection, 2018, 39(5): 327
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【2】ZOU Y,WANG J,ZHENG Y Y. Electrochemical techniques for determining corrosion rate of rusted steel in seawater[J]. Corrosion Science,2011,53(1):208-216.
【3】王佳,孟洁,唐晓,等. 深海环境钢材腐蚀行为评价技术[J]. 中国腐蚀与防护学报,2007,27(1):1-7.
【4】杨海洋,黄桂桥. 环境因素对碳钢实海暴露初期腐蚀速率的影响[J]. 腐蚀与防护,2014,35(6):576-578.
【5】AL-MUHANNA K,HABIB K. Corrosion behavior of different alloys exposed to continuous flowing seawater by electrochemical impedance spectroscopy (EIS)[J]. Desalination,2010,250(1):404-407.
【6】侯健,邓春龙,郭为民. 深海环境因素对碳钢腐蚀行为的影响[J]. 装备环境工程,2008,5(6):82-88.
【7】VENKATESAN R. Studies on corrosion of some structural materials in deep sea environment[D]. Bangalore:Indian Institute of Science,2000.
【8】VENKATESAN R,VENKETASAMY M A,BHASKARAN T A,et al. Corrosion of ferrous alloys in deep sea environments[J]. British Corrosion Journal,2002,37(4):257-266.
【9】LUO Y N,SONG S Z,JIN W X,et al. In field electrochemical evaluation of carbon steel corrosion in a marine test environment[J]. Anti-Corrosion Methods and Materials,2009,56(6):316-322.
【10】MELCHERS R E. Long-term immersion corrosion of steels in seawaters with elevated nutrient concentration[J]. Corrosion Science,2014,81(4):110-116.
【11】雒娅楠,宋诗哲,金威贤,等. 碳钢试片实海电化学检测与腐蚀规律的相关性[J]. 化工学报,2008,59(11):2864-2869.
【12】WEI H,LUO X F,ZHAO Y D,et al. Intraseasonal variation in the salinity of the Yellow and East China seas in the summers of 2011,2012,and 2013[J]. Hydrobiologia,2015,754(1):13-28.
【13】CHENG P,GAO S,BOKUNIEWICZ H. Net sediment transport patterns over the Bohai Strait based on grain size trend analysis[J]. Estuarine Coastal and Shelf Science,2004,60(2):203-212.
【14】TOLOEI A,ATASHIN S,PAKSHIR M. Corrosion rate of carbon steel under synergistic effect of seawater parameters including pH,temperature,and salinity in turbulent condition[J]. Corrosion Reviews,2013,31(3/6):135-144.
【15】MELCHERS R E,CHERNOV B B. Corrosion loss of mild steel in high temperature hard fresh water[J]. Corrosion Science,2010,52(2):449-454.
【16】MELCHERS R E,JEFFREY R. Early corrosion of mild steel in seawater[J]. Corrosion Science,2005,47(7):1678-1693.
【17】TAKASAKI S,YAMADA Y. Effects of temperature and aggressive anions on corrosion of carbon steel in potable water[J]. Corrosion Science,2007,49(1):240-247.
【18】MELCHERS R E. Mathematical modelling of the diffusion controlled phase in marine immersion corrosion of mild steel[J]. Corrosion Science,2003,45(5):923-940.
【19】AMIN M A,AHMED M A,ARIDA H A,et al. Monitoring corrosion and corrosion control of iron in HCl by non-ionic surfactants of the TRITON-X series-Part Ⅱ. Temperature effect, activation energies and thermodynamics of adsorption[J]. Corrosion Science,2011,53(2):540-548.
【20】朱相荣,张启富. 海水中钢铁腐蚀与环境因素的灰关联分析[J]. 海洋科学,2000,24(5):37-40.
【21】MELCHERS R E. Effect of immersion depth on marine corrosion of mild steel[J]. Corrosion,2005,61(9):895-906.
【22】闵学颐,陈国华,韩舞鹰,等. 中国近海海水电导率、氯度和密度的相互关系[J]. 海洋与湖沼,1984,15(1):82-90.
【23】郭天太,王真,郭冲冲,等. 海水密度的传感器测量技术综述[J]. 机床与液压,2012,40(3):154-156.
【24】WATANABE H. 溶解气体对水密度的影响[J]. 国外计量,1987(3):32-35.
【25】HUANG H L,DONG Z H,CHEN Z Y,et al. The effects of Cl- ion concentration and relative humidity on atmospheric corrosion behaviour of PCB-Cu under adsorbed thin electrolyte layer[J]. Corrosion Science,2011,53(4):1230-1236.
【26】HU R G,HUANG R S,DU R G,et al. Study on corrosion behavior of reinforcings steel in concrete subjected to chloride containnation by ElS[J]. Acta Phys Chim Sin,2003,39(1):46-50.
【27】FRANGINI S,DE CRISTOFARO N. Analysis of the galvanostatic polarization method for determining reliable pitting potentials on stainless steels in crevice-free conditions[J]. Corrosion Science,2003,45(12):2769-2786.
【28】SU X,YIN Z,CHENG Y F. Corrosion of 16Mn line pipe steel in a simulated soil solution and the implication on its long-term corrosion behavior[J]. Journal of Materials Engineering and Performance,2013,22(2):498-504.
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