Effects of Nickel-Aluminum Bronze Pre-Oxidized Films on the Cathodic Kinetics of Oxygen Reduction

被引：7
|
作者：
Musabikha, Siti [1 ]
Utama, I. Ketut Aria Pria [2 ]
Mukhtasor [1 ]
Wharton, Julian A. [3 ]
Wood, Robert J. K. [3 ]
机构：
[1] Inst Teknol Sepuluh Nopember, Fac Marine Technol, Dept Ocean Engn, Gedung WA, Surabaya 60111, Indonesia
[2] Inst Teknol Sepuluh Nopember, Fac Marine Technol, Dept Naval Architecture, Surabaya, Indonesia
[3] Univ Southampton, Fac Engn & Environm, Natl Ctr Adv Tribol Southampton nCATS, Highfield Campus, Southampton, Hants, England
来源：
ANALYTICAL LETTERS | 2020年 / 53卷 / 08期
关键词：
Nickel-aluminum bronze; oxide film; oxygen reduction kinetics; pre-oxidized film; rotating disc electrode; CORROSION BEHAVIOR; ELECTROCHEMICAL CORROSION; CHLORIDE MEDIA; COPPER-ALLOYS; MARINE; EROSION; NACL; CAST; FLOW;
D O I：
10.1080/00032719.2019.1700515
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The cathodic oxygen reduction kinetics of the freshly polished and the pre-oxidized nickel-aluminum bronze surfaces were investigated in a 3.5 wt.% NaCl solution under steady-state and well-defined hydrodynamic conditions using a rotating disc electrode setup. The diffusion coefficient of the pre-oxidized film specimen of 0.72 x 10(-5) cm(2) s(-1) was lower than that of the freshly polished surface of 2.55 x 10(-5) cm(2) s(-1), a 3.5-fold decrease, demonstrating the extent to which the oxygen diffusion within the pre-oxidized film was hindered.
引用
收藏
页码：1218 / 1232
页数：15
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