Grachev Vladimir A, Rozen Andrey E, Perelygin Yuri P, Kireev Sergey Yu, Los' Irina S, Rozen Andrey A
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 31, Bldg 4, Leninsky Prospect, Moscow, 119071, Russia.
Penza State University, 40, Krasnaya St., Penza, 440026, Russia.
Heliyon. 2018 Aug 14;4(8):e00731. doi: 10.1016/j.heliyon.2018.e00731. eCollection 2018 Aug.
The paper estimates corrosion resistance of new multilayer metallic materials with internal protector against pitting. Using an electron microscope method, the mechanism of the layers' corrosive destruction has been experimentally substantiated. The authors have suggested chemical and electrochemical methods of accelerated corrosion tests allowing for determining the corrosion destruction rate. The electrochemical method reveals the limiting stage of the process and allows calculating the mass corrosion index and substantiating the choice of protector for the specific corrosive medium. The chemical method allows for quantitative assessment of the internal protector's effectiveness and for defining the multilayer/monometallic material corrosion resistance ratio.
本文估算了带有内部抗点蚀保护剂的新型多层金属材料的耐腐蚀性。通过电子显微镜法，从实验上证实了各层腐蚀破坏的机理。作者提出了加速腐蚀试验的化学和电化学方法，可用于确定腐蚀破坏速率。电化学方法揭示了该过程的极限阶段，并能计算质量腐蚀指数，为特定腐蚀介质选择保护剂提供依据。化学方法可对内部保护剂的有效性进行定量评估，并确定多层/单金属材料的耐腐蚀性比值。
