Corrosive study of B10/B30 copper-nickel alloys coupled pipeline in static seawater

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Composites and Hybrid Materials Pub Date : 2025-01-07 DOI:10.1007/s42114-024-01174-0

Feng Qian, Xvhui Liu, Rui Cui, Kai Wang, Chao Wang, Xiong Bao, Dongsheng Dong, Mengni Zhou, Zunhua Zhang, Xiaofeng Guo, Jie Wang

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Abstract

In marine seawater pipelines and coolers, copper-nickel alloys such as B10 and B30 are the main material of choices. Due to the differences in nickel content, the corrosion potentials of these two alloys are significantly different. When the pipelines of these two alloys are connected with cooling equipment, there is a risk of electric couple corrosion. In order to effectively control the electric couple corrosion between B10/B30 and prolong the service life of seawater pipeline systems, this study uses an electrochemical method to test the electric couple potential and electric couple current of B10 and B30 tubular pairs in static seawater. In addition, the electric couple corrosion rate with time is also analyzed in depth. Through a mixed potential theory analysis, the electric couple corrosion rate of B10/B30 is found to be mainly controlled by the reaction kinetics of B10 anode and B30 cathode. Thus, B30 as the inner tube and B10 as the outer tube were used in marine air coolers with effectively improved service life. This study provides an important theoretical basis for optimizing the material selection of marine seawater pipelines and coolers.

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B10/B30铜镍合金耦合管道在静海水中的腐蚀研究

在海洋海水管道和冷却器中，B10、B30等铜镍合金是主要的选择材料。由于镍含量的不同，两种合金的腐蚀电位有显著差异。当这两种合金的管道与冷却设备连接时，存在电偶腐蚀的危险。为了有效控制B10/B30之间的电偶腐蚀，延长海水管道系统的使用寿命，本研究采用电化学方法测试了B10和B30管对在静态海水中的电偶电位和电偶电流。此外，还对电偶随时间的腐蚀速率进行了深入分析。通过混合电位理论分析，发现B10/B30的电偶腐蚀速率主要受B10阳极和B30阴极的反应动力学控制。因此，将B30作为内管，B10作为外管用于船用空冷器，有效地提高了使用寿命。该研究为海洋海水管道和冷却器的材料选择优化提供了重要的理论依据。

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.