通过超声表面滚压(Ultrasonic Surface Rolling Processing,USRP)技术对X80管线钢及焊缝进行加工处理,利用透射电镜对超声表面加工后母材和焊缝表面进行观察,用交流阻抗技术和动电位极化技术对X80钢及焊缝在高pH值溶液中表面的电化学腐蚀行为进行研究.结果表明,USRP处理可以使X80管线钢及焊缝表层晶粒细化至纳米级别,降低电化学腐蚀发生的可能性;试样在腐蚀介质中发生活化-钝化转变,USRP处理能够增大极化电阻,使得X80管线钢及焊缝的电化学腐蚀倾向降低.
参考文献
| [1] | LU Ke;LU Jian .Surface nanocrystallization (SNS) of metallic materials presentation of the concept behind a new approach[J].Journal of Materials Science& Technology,1999,15(03):193-197. |
| [2] | J. C. Villegas;L. L. Shaw;K. Dai .Enhanced fatigue resistance of a nickel-based hastelloy induced by a surface nanocrystallization and hardening process[J].Philosophical Magazine Letters,2005(8):427-438. |
| [3] | Wang Yanyun;Yue Wen;She Dingshun et al.Effects of surface nanocrystallization on tribological properties of 316L stainlcss steel under MoDTC/ ZDDP lubrications[J].Tribology International,2014,79:42-51. |
| [4] | 葛利玲,路彩虹,井晓天,卢正欣.40Cr钢表面纳米化对气体渗氮行为的影响[J].材料热处理学报,2008(05):155-159. |
| [5] | 石继红,武保林,刘刚.316L不锈钢表面纳米化后腐蚀性能研究[J].材料工程,2005(10):42-46. |
| [6] | G. K. Glass;A. M. Hassanein;N. R. Buenfeld .Obtaining impedance information on the steel-concrete interface[J].Corrosion: The Journal of Science and Engineering,1998(11):887-897. |
| [7] | Hamadou I;Kadri A;Benbrahim N .Characterization of passive films formed on low carbon steel in borate buffer solution(pH 9.2) by electrochemical impedance spectroscopy[J].Applied Surface Science,2005,252(05):1510-1519. |
| [8] | Geor Ge P;Fo Tou;So Tirise et al.Photocatalytic destruction of phenol and salicylic acid with areosol made and commercial titania powders[J].Chemical Engineering Communications,1996,151:251-255. |
| [9] | 李瑛,王福会.表面纳米化对金属材料电化学腐蚀行为的影响[J].腐蚀与防护,2003(01):6-8,12. |
| [10] | 李瑛,王福会,刘刚.表面纳米化低碳钢电化学行为尺寸效应[J].中国腐蚀与防护学报,2001(04):215-219. |
| [11] | 李东,陈怀宁,徐宏.表面纳米化对SS400钢焊接接头应力腐蚀性能的影响[J].焊接学报,2009(03):65-68. |
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