Load-dependent tribocorrosion behaviour of nickel-aluminium bronze in artificial seawater

被引：64
作者：
Zhang, Beibei [1 ,2 ]
Wang, Jianzhang [1 ]
Yan, Fengyuan [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Gansu, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
CORROSION SCIENCE | 2018年 / 131卷
基金：
中国国家自然科学基金;
关键词：
Alloy; Polarisation; EIS; Pitting corrosion; SLURRY EROSION-CORROSION; 316L STAINLESS-STEEL; NI-AL BRONZE; CAVITATION EROSION; ELECTROCHEMICAL-BEHAVIOR; DELAMINATION THEORY; CHLORIDE SOLUTION; RINGERS SOLUTION; AS-CAST; NACL;
D O I：
10.1016/j.corsci.2017.11.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dependence of the tribocorrosion behaviour of nickel-aluminium bronze (NAB) on load in artificial seawater was investigated. Results from electrochemical measurements revealed that, decreases in the corrosion potential and polarisation resistance were induced by increased load, implying an increased susceptibility to corrosion. Quantitative calculations indicated that the synergy of wear and corrosion was crucial, particularly for the corrosion-accelerated wear component, which combined with pure mechanical wear were the predominant cause of degradation of NAB. Moreover, selective alpha-phase corrosion behaviour was observed, with the boundaries of intermetallic kappa(III) and kappa(IV) precipitates corroded preferentially.
引用
收藏
页码：252 / 263
页数：12
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