摘要
船舶金属材料在海洋环境中的电化学特性是船舶电场特性产生过程中的重要影响因素,长期以来,国内多聚焦于常温海水环境下的金属材料电化学性能研究,对低温海水环境下的金属材料电化学特性研究较少。文中针对3种典型的船舶主体材料,开展了不同温度及盐度影响试验,对比分析其在低温海水环境下的极化电位、极化曲线及极化电阻,总体结果表明金属材料的开路电位随海水温度的降低而增大,自腐蚀电位随着海水温度的降低而正移,随着海水温度的降低溶解活化程度变低。文中工作可为进一步研究电场特征控制和分析评估提供基础理论参考。
The electrochemical characteristic of ship metal materials in marine environments is an important factor affecting the generation of ship electric field characteristics.For a long time,researchers have mainly focused on the electrochemical characteristics of metal materials in normal-temperature seawater but paid less attention to the electrochemical characteristics of metal materials in low-temperature seawater.For three typical ship materials,experiments were designed based on the influence of different temperatures and salinity changes,and the polarization potential,polarization curve,and polarization resistance were compared in the low-temperature seawater.The results show that with the decrease in seawater temperature,the open circuit potential of metal materials and self-corrosion potential increase,but the degree of dissolution activation decreases.The proposed method may provide a reference for the study of electric field characteristic control and analysis and evaluation.
作者
周彤
余定峰
郑攀峰
杨帅
ZHOU Tong;YU Dingfeng;ZHENG Panfeng;YANG Shuai(Wuhan Second Ship Design and Research Institute,Hubei Key aboratory of Marine Electromagnetic Detection and Control,Wuhan 430205,China)
出处
《水下无人系统学报》
2023年第4期552-558,共7页
Journal of Unmanned Undersea Systems
基金
国防科技基础加强计划技术领域基金资助项目(2022-JCJQ-**-****)。
关键词
低温海水环境
船舶材料
盐度
极化曲线
low temperature seawater
ship materials
salinity
polarization curve
