Influence of Long-Term Cyclic Deformation on the Electrochemical Behavior of Steels of Marine Gantry Cranes

被引：6
作者：
Pustovoi, V. M. [1 ]
Reshchenko, I. O. [1 ]
Zvirko, O. I. [2 ]
机构：
[1] REMTEKHMORPORT Co, Odessa, Ukraine
[2] Ukrainian Natl Acad Sci, Karpenko Physicomech Inst, Lvov, Ukraine
来源：
MATERIALS SCIENCE | 2015年 / 51卷 / 01期
关键词：
gantry crane; steel; in-service degradation; modeling; electrochemical methods; impact toughness; GAS MAINS; DEGRADATION; CORROSION; OPERATION;
D O I：
10.1007/s11003-015-9818-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study the influence of long-term operation and high-cycle loading under laboratory conditions on the electrochemical characteristics of low-strength carbon steels. It is established that both cycling and long-term operation decrease the corrosion resistance and strongly affect the electrochemical characteristics of steels. It is also demonstrated that the polarization resistance is a quite sensitive informative parameter for the evaluation of the in-service degradation of steels of gantry cranes. We reveal a correlation between the changes in the impact toughness regarded as a characteristic of brittle fracture resistance and the changes in the polarization resistance, which can be used as basic for the creation of a new nondestructive method of diagnostics of the degradation of steels of gantry cranes after long-term operation.
引用
收藏
页码：125 / 130
页数：6
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