利用扫描电镜(SEM)、电化学、光电子能谱(XPS)、激光原位、透射电镜(TEM)等方法研究了Cu-Ni-Sn体系船体钢在强酸性氯离子环境下的腐蚀行为.结果表明,采用Cu-Ni-Sn的耐蚀合金设计可以显著提高船体钢在强酸性氯离子环境下的耐蚀性,并满足IMO标准的要求;Cu是提高钢耐蚀性的有效元素,其主要机理为其以再沉积颗粒(100～500 nm)的方式在钢的表面富集,降低了钢的溶解速度并抑制点蚀的形核;随着钢中Sn含量的增加,钢的耐蚀性进一步提高,Sn在钢的表面形成了致密的SnO2腐蚀产物保护膜,有效阻止了基体与腐蚀介质的相互作用,进一步抑制了钢的腐蚀.
参考文献
| [1] | 吉川光昭.大型タンカー原油タンクの腐食[J].材料と環境,20048(8):388-395. |
| [2] | D. B. Lee.Effect of Cr, Nb, Mn, V, W and Si on High Temperature Oxidation of TiAl Alloys[J].Metals and Materials International,20052(2):141-147. |
| [3] | A. Pardo;M.C. Merino;M. Carboneras;A.E. Coy;R. Arrabal.Pitting corrosion behaviour of austenitic stainless steels with Cu and Sn additions[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,20072(2):510-525. |
| [4] | A. Pardo;M.C. Merino;M. Carboneras;F. Viejo;R. Arrabal;J. Munoz.Influence of Cu and Sn content in the corrosion of AISI 304 and 316 stainless steels in H_2SO_4[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,20065(5):1075-1092. |
| [5] | 刘丽宏;齐慧滨;卢燕平;李晓刚.耐大气腐蚀钢的研究概况[J].腐蚀科学与防护技术,2003(2):86-89. |
| [6] | L. F. Garfias-Mesias;J. M. Sykes.Effect of copper on active dissolution and pitting corrosion of 25% Cr duplex stainless steels[J].Corrosion: The Journal of Science and Engineering,19981(1):40-47. |
| [7] | Hang SU;Xiao-bing LUO;Cai-fu YANG;Feng CHAI;Hao LI.Effects of Cu on Corrosion Resistance of Low Alloyed Steels in Acid Chloride Media[J].钢铁研究学报（英文版）,2014(6):619-624. |
| [8] | Debiemme-Chouvy C.;Sutter EMM.;Ammeloot F..X-ray photoemission investigation of the corrosion film formed on a polished Cu-13Sn alloy in aerated NaCl solution[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,20011(1):55-61. |
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