Effect of seawater salinity on the fretting corrosion behavior of nickel-aluminum bronze (NAB) alloy

被引：2
|
作者：
Deng, Qing [1 ,2 ]
Zhang, Po [1 ,2 ]
Li, Xiaozhi [1 ,2 ]
Shen, Ziyao [1 ,2 ]
Mi, Xue [3 ]
Cai, Zhaobing [1 ,2 ]
Gu, Le [1 ,2 ]
机构：
[1] Wuhan Univ Sci & Technol, Key Lab Met Equipment & Control Technol, Minist Educ, Wuhan 430081, Peoples R China
[2] Wuhan Univ Sci & Technol, Sch Machinery & Automat, Hubei Key Lab Mech Transmiss & Mfg Engn, Wuhan 430081, Peoples R China
[3] Nucl Power Inst China, Sci & Technol Reactor Syst Design Technol Lab, Chengdu 610213, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2024年 / 193卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Nickel-aluminum bronze; Salinity; Fretting corrosion; Surface analysis; WEAR BEHAVIOR; TRIBOCORROSION BEHAVIOR; MICROSTRUCTURE; PERFORMANCE; WATER;
D O I：
10.1016/j.triboint.2024.109357
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In industrial applications, components made by Nickel-aluminum bronze (NAB) alloys are commonly encountered by fretting corrosion. This study aims to investigate the effect of seawater salinity on fretting corrosion behavior of the material. Research indicates that due to the synergistic effect of wear and corrosion, both the friction force and wear volume reach the peak value under the salinity of 3.5%. The reduction in wear observed when the salinity increases from 3.5% to 7.5% can be attributed to the hydrolysis of water-soluble CuCl2 to produce Cu2O, which reduces the corrosion degree and provides a lubrication effect. Furthermore, the combination of chloride ions and aluminum leads to the formation of an AlCl3 passivation layer, which serves to protect the alloy surface.
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页数：11
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